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fgnass/JSXTransformer.js

Last active August 29, 2015 14:05
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React + Picturefill
Raw
index.html
<html>
<head>
<title>React + Picturefill</title>
<script src="./react.js"></script>
<script src="./JSXTransformer.js"></script>
<style type="text/css">
body {
font-family: sans-serif;
padding: 2em;
color: #aaa;
}
button {
display: block;
margin-top: 2em;
}
</style>
</head>
<body>
<script type="text/jsx">
/** @jsx React.DOM */
function loadPicturefill() {
var s = document.createElement('script')
s.src = 'http://scottjehl.github.io/picturefill/dist/picturefill.js'
document.body.appendChild(s)
}
var App = React.createClass({
render: function() {
return (
<div>
<h2>srcset and sizes</h2>
<img srcSet="//placehold.it/200x200 200w, //placehold.it/400x400 400w" sizes="(min-width: 800px) 400px, 200px" />
<h2>picture</h2>
<picture>
<source srcSet="//placehold.it/400x400" media="(min-width: 800px)" />
<img srcSet="//placehold.it/200x200" />
</picture>
<button onClick={loadPicturefill}>Load Picturefill</button>
</div>
)
}
})
React.renderComponent(<App />, document.body)
</script>
</body>
</html>
Raw
JSXTransformer.js
/**
* JSXTransformer v0.11.0-rc1
*/
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.JSXTransformer=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
/*!
* The buffer module from node.js, for the browser.
*
* @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
* @license MIT
*/
var base64 = _dereq_('base64-js')
var ieee754 = _dereq_('ieee754')
exports.Buffer = Buffer
exports.SlowBuffer = Buffer
exports.INSPECT_MAX_BYTES = 50
Buffer.poolSize = 8192
/**
* If `Buffer._useTypedArrays`:
* === true Use Uint8Array implementation (fastest)
* === false Use Object implementation (compatible down to IE6)
*/
Buffer._useTypedArrays = (function () {
// Detect if browser supports Typed Arrays. Supported browsers are IE 10+, Firefox 4+,
// Chrome 7+, Safari 5.1+, Opera 11.6+, iOS 4.2+. If the browser does not support adding
// properties to `Uint8Array` instances, then that's the same as no `Uint8Array` support
// because we need to be able to add all the node Buffer API methods. This is an issue
// in Firefox 4-29. Now fixed: https://bugzilla.mozilla.org/show_bug.cgi?id=695438
try {
var buf = new ArrayBuffer(0)
var arr = new Uint8Array(buf)
arr.foo = function () { return 42 }
return 42 === arr.foo() &&
typeof arr.subarray === 'function' // Chrome 9-10 lack `subarray`
} catch (e) {
return false
}
})()
/**
* Class: Buffer
* =============
*
* The Buffer constructor returns instances of `Uint8Array` that are augmented
* with function properties for all the node `Buffer` API functions. We use
* `Uint8Array` so that square bracket notation works as expected -- it returns
* a single octet.
*
* By augmenting the instances, we can avoid modifying the `Uint8Array`
* prototype.
*/
function Buffer (subject, encoding, noZero) {
if (!(this instanceof Buffer))
return new Buffer(subject, encoding, noZero)
var type = typeof subject
if (encoding === 'base64' && type === 'string') {
subject = base64clean(subject)
}
// Find the length
var length
if (type === 'number')
length = coerce(subject)
else if (type === 'string')
length = Buffer.byteLength(subject, encoding)
else if (type === 'object')
length = coerce(subject.length) // assume that object is array-like
else
throw new Error('First argument needs to be a number, array or string.')
var buf
if (Buffer._useTypedArrays) {
// Preferred: Return an augmented `Uint8Array` instance for best performance
buf = Buffer._augment(new Uint8Array(length))
} else {
// Fallback: Return THIS instance of Buffer (created by `new`)
buf = this
buf.length = length
buf._isBuffer = true
}
var i
if (Buffer._useTypedArrays && typeof subject.byteLength === 'number') {
// Speed optimization -- use set if we're copying from a typed array
buf._set(subject)
} else if (isArrayish(subject)) {
// Treat array-ish objects as a byte array
if (Buffer.isBuffer(subject)) {
for (i = 0; i < length; i++)
buf[i] = subject.readUInt8(i)
} else {
for (i = 0; i < length; i++)
buf[i] = ((subject[i] % 256) + 256) % 256
}
} else if (type === 'string') {
buf.write(subject, 0, encoding)
} else if (type === 'number' && !Buffer._useTypedArrays && !noZero) {
for (i = 0; i < length; i++) {
buf[i] = 0
}
}
return buf
}
// STATIC METHODS
// ==============
Buffer.isEncoding = function (encoding) {
switch (String(encoding).toLowerCase()) {
case 'hex':
case 'utf8':
case 'utf-8':
case 'ascii':
case 'binary':
case 'base64':
case 'raw':
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
return true
default:
return false
}
}
Buffer.isBuffer = function (b) {
return !!(b !== null && b !== undefined && b._isBuffer)
}
Buffer.byteLength = function (str, encoding) {
var ret
str = str.toString()
switch (encoding || 'utf8') {
case 'hex':
ret = str.length / 2
break
case 'utf8':
case 'utf-8':
ret = utf8ToBytes(str).length
break
case 'ascii':
case 'binary':
case 'raw':
ret = str.length
break
case 'base64':
ret = base64ToBytes(str).length
break
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
ret = str.length * 2
break
default:
throw new Error('Unknown encoding')
}
return ret
}
Buffer.concat = function (list, totalLength) {
assert(isArray(list), 'Usage: Buffer.concat(list[, length])')
if (list.length === 0) {
return new Buffer(0)
} else if (list.length === 1) {
return list[0]
}
var i
if (totalLength === undefined) {
totalLength = 0
for (i = 0; i < list.length; i++) {
totalLength += list[i].length
}
}
var buf = new Buffer(totalLength)
var pos = 0
for (i = 0; i < list.length; i++) {
var item = list[i]
item.copy(buf, pos)
pos += item.length
}
return buf
}
Buffer.compare = function (a, b) {
assert(Buffer.isBuffer(a) && Buffer.isBuffer(b), 'Arguments must be Buffers')
var x = a.length
var y = b.length
for (var i = 0, len = Math.min(x, y); i < len && a[i] === b[i]; i++) {}
if (i !== len) {
x = a[i]
y = b[i]
}
if (x < y) {
return -1
}
if (y < x) {
return 1
}
return 0
}
// BUFFER INSTANCE METHODS
// =======================
function hexWrite (buf, string, offset, length) {
offset = Number(offset) || 0
var remaining = buf.length - offset
if (!length) {
length = remaining
} else {
length = Number(length)
if (length > remaining) {
length = remaining
}
}
// must be an even number of digits
var strLen = string.length
assert(strLen % 2 === 0, 'Invalid hex string')
if (length > strLen / 2) {
length = strLen / 2
}
for (var i = 0; i < length; i++) {
var byte = parseInt(string.substr(i * 2, 2), 16)
assert(!isNaN(byte), 'Invalid hex string')
buf[offset + i] = byte
}
return i
}
function utf8Write (buf, string, offset, length) {
var charsWritten = blitBuffer(utf8ToBytes(string), buf, offset, length)
return charsWritten
}
function asciiWrite (buf, string, offset, length) {
var charsWritten = blitBuffer(asciiToBytes(string), buf, offset, length)
return charsWritten
}
function binaryWrite (buf, string, offset, length) {
return asciiWrite(buf, string, offset, length)
}
function base64Write (buf, string, offset, length) {
var charsWritten = blitBuffer(base64ToBytes(string), buf, offset, length)
return charsWritten
}
function utf16leWrite (buf, string, offset, length) {
var charsWritten = blitBuffer(utf16leToBytes(string), buf, offset, length)
return charsWritten
}
Buffer.prototype.write = function (string, offset, length, encoding) {
// Support both (string, offset, length, encoding)
// and the legacy (string, encoding, offset, length)
if (isFinite(offset)) {
if (!isFinite(length)) {
encoding = length
length = undefined
}
} else { // legacy
var swap = encoding
encoding = offset
offset = length
length = swap
}
offset = Number(offset) || 0
var remaining = this.length - offset
if (!length) {
length = remaining
} else {
length = Number(length)
if (length > remaining) {
length = remaining
}
}
encoding = String(encoding || 'utf8').toLowerCase()
var ret
switch (encoding) {
case 'hex':
ret = hexWrite(this, string, offset, length)
break
case 'utf8':
case 'utf-8':
ret = utf8Write(this, string, offset, length)
break
case 'ascii':
ret = asciiWrite(this, string, offset, length)
break
case 'binary':
ret = binaryWrite(this, string, offset, length)
break
case 'base64':
ret = base64Write(this, string, offset, length)
break
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
ret = utf16leWrite(this, string, offset, length)
break
default:
throw new Error('Unknown encoding')
}
return ret
}
Buffer.prototype.toString = function (encoding, start, end) {
var self = this
encoding = String(encoding || 'utf8').toLowerCase()
start = Number(start) || 0
end = (end === undefined) ? self.length : Number(end)
// Fastpath empty strings
if (end === start)
return ''
var ret
switch (encoding) {
case 'hex':
ret = hexSlice(self, start, end)
break
case 'utf8':
case 'utf-8':
ret = utf8Slice(self, start, end)
break
case 'ascii':
ret = asciiSlice(self, start, end)
break
case 'binary':
ret = binarySlice(self, start, end)
break
case 'base64':
ret = base64Slice(self, start, end)
break
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
ret = utf16leSlice(self, start, end)
break
default:
throw new Error('Unknown encoding')
}
return ret
}
Buffer.prototype.toJSON = function () {
return {
type: 'Buffer',
data: Array.prototype.slice.call(this._arr || this, 0)
}
}
Buffer.prototype.equals = function (b) {
assert(Buffer.isBuffer(b), 'Argument must be a Buffer')
return Buffer.compare(this, b) === 0
}
Buffer.prototype.compare = function (b) {
assert(Buffer.isBuffer(b), 'Argument must be a Buffer')
return Buffer.compare(this, b)
}
// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function (target, target_start, start, end) {
var source = this
if (!start) start = 0
if (!end && end !== 0) end = this.length
if (!target_start) target_start = 0
// Copy 0 bytes; we're done
if (end === start) return
if (target.length === 0 || source.length === 0) return
// Fatal error conditions
assert(end >= start, 'sourceEnd < sourceStart')
assert(target_start >= 0 && target_start < target.length,
'targetStart out of bounds')
assert(start >= 0 && start < source.length, 'sourceStart out of bounds')
assert(end >= 0 && end <= source.length, 'sourceEnd out of bounds')
// Are we oob?
if (end > this.length)
end = this.length
if (target.length - target_start < end - start)
end = target.length - target_start + start
var len = end - start
if (len < 100 || !Buffer._useTypedArrays) {
for (var i = 0; i < len; i++) {
target[i + target_start] = this[i + start]
}
} else {
target._set(this.subarray(start, start + len), target_start)
}
}
function base64Slice (buf, start, end) {
if (start === 0 && end === buf.length) {
return base64.fromByteArray(buf)
} else {
return base64.fromByteArray(buf.slice(start, end))
}
}
function utf8Slice (buf, start, end) {
var res = ''
var tmp = ''
end = Math.min(buf.length, end)
for (var i = start; i < end; i++) {
if (buf[i] <= 0x7F) {
res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i])
tmp = ''
} else {
tmp += '%' + buf[i].toString(16)
}
}
return res + decodeUtf8Char(tmp)
}
function asciiSlice (buf, start, end) {
var ret = ''
end = Math.min(buf.length, end)
for (var i = start; i < end; i++) {
ret += String.fromCharCode(buf[i])
}
return ret
}
function binarySlice (buf, start, end) {
return asciiSlice(buf, start, end)
}
function hexSlice (buf, start, end) {
var len = buf.length
if (!start || start < 0) start = 0
if (!end || end < 0 || end > len) end = len
var out = ''
for (var i = start; i < end; i++) {
out += toHex(buf[i])
}
return out
}
function utf16leSlice (buf, start, end) {
var bytes = buf.slice(start, end)
var res = ''
for (var i = 0; i < bytes.length; i += 2) {
res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
}
return res
}
Buffer.prototype.slice = function (start, end) {
var len = this.length
start = clamp(start, len, 0)
end = clamp(end, len, len)
if (Buffer._useTypedArrays) {
return Buffer._augment(this.subarray(start, end))
} else {
var sliceLen = end - start
var newBuf = new Buffer(sliceLen, undefined, true)
for (var i = 0; i < sliceLen; i++) {
newBuf[i] = this[i + start]
}
return newBuf
}
}
// `get` will be removed in Node 0.13+
Buffer.prototype.get = function (offset) {
console.log('.get() is deprecated. Access using array indexes instead.')
return this.readUInt8(offset)
}
// `set` will be removed in Node 0.13+
Buffer.prototype.set = function (v, offset) {
console.log('.set() is deprecated. Access using array indexes instead.')
return this.writeUInt8(v, offset)
}
Buffer.prototype.readUInt8 = function (offset, noAssert) {
if (!noAssert) {
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset < this.length, 'Trying to read beyond buffer length')
}
if (offset >= this.length)
return
return this[offset]
}
function readUInt16 (buf, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 1 < buf.length, 'Trying to read beyond buffer length')
}
var len = buf.length
if (offset >= len)
return
var val
if (littleEndian) {
val = buf[offset]
if (offset + 1 < len)
val |= buf[offset + 1] << 8
} else {
val = buf[offset] << 8
if (offset + 1 < len)
val |= buf[offset + 1]
}
return val
}
Buffer.prototype.readUInt16LE = function (offset, noAssert) {
return readUInt16(this, offset, true, noAssert)
}
Buffer.prototype.readUInt16BE = function (offset, noAssert) {
return readUInt16(this, offset, false, noAssert)
}
function readUInt32 (buf, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 3 < buf.length, 'Trying to read beyond buffer length')
}
var len = buf.length
if (offset >= len)
return
var val
if (littleEndian) {
if (offset + 2 < len)
val = buf[offset + 2] << 16
if (offset + 1 < len)
val |= buf[offset + 1] << 8
val |= buf[offset]
if (offset + 3 < len)
val = val + (buf[offset + 3] << 24 >>> 0)
} else {
if (offset + 1 < len)
val = buf[offset + 1] << 16
if (offset + 2 < len)
val |= buf[offset + 2] << 8
if (offset + 3 < len)
val |= buf[offset + 3]
val = val + (buf[offset] << 24 >>> 0)
}
return val
}
Buffer.prototype.readUInt32LE = function (offset, noAssert) {
return readUInt32(this, offset, true, noAssert)
}
Buffer.prototype.readUInt32BE = function (offset, noAssert) {
return readUInt32(this, offset, false, noAssert)
}
Buffer.prototype.readInt8 = function (offset, noAssert) {
if (!noAssert) {
assert(offset !== undefined && offset !== null,
'missing offset')
assert(offset < this.length, 'Trying to read beyond buffer length')
}
if (offset >= this.length)
return
var neg = this[offset] & 0x80
if (neg)
return (0xff - this[offset] + 1) * -1
else
return this[offset]
}
function readInt16 (buf, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 1 < buf.length, 'Trying to read beyond buffer length')
}
var len = buf.length
if (offset >= len)
return
var val = readUInt16(buf, offset, littleEndian, true)
var neg = val & 0x8000
if (neg)
return (0xffff - val + 1) * -1
else
return val
}
Buffer.prototype.readInt16LE = function (offset, noAssert) {
return readInt16(this, offset, true, noAssert)
}
Buffer.prototype.readInt16BE = function (offset, noAssert) {
return readInt16(this, offset, false, noAssert)
}
function readInt32 (buf, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 3 < buf.length, 'Trying to read beyond buffer length')
}
var len = buf.length
if (offset >= len)
return
var val = readUInt32(buf, offset, littleEndian, true)
var neg = val & 0x80000000
if (neg)
return (0xffffffff - val + 1) * -1
else
return val
}
Buffer.prototype.readInt32LE = function (offset, noAssert) {
return readInt32(this, offset, true, noAssert)
}
Buffer.prototype.readInt32BE = function (offset, noAssert) {
return readInt32(this, offset, false, noAssert)
}
function readFloat (buf, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset + 3 < buf.length, 'Trying to read beyond buffer length')
}
return ieee754.read(buf, offset, littleEndian, 23, 4)
}
Buffer.prototype.readFloatLE = function (offset, noAssert) {
return readFloat(this, offset, true, noAssert)
}
Buffer.prototype.readFloatBE = function (offset, noAssert) {
return readFloat(this, offset, false, noAssert)
}
function readDouble (buf, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset + 7 < buf.length, 'Trying to read beyond buffer length')
}
return ieee754.read(buf, offset, littleEndian, 52, 8)
}
Buffer.prototype.readDoubleLE = function (offset, noAssert) {
return readDouble(this, offset, true, noAssert)
}
Buffer.prototype.readDoubleBE = function (offset, noAssert) {
return readDouble(this, offset, false, noAssert)
}
Buffer.prototype.writeUInt8 = function (value, offset, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset < this.length, 'trying to write beyond buffer length')
verifuint(value, 0xff)
}
if (offset >= this.length) return
this[offset] = value
return offset + 1
}
function writeUInt16 (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 1 < buf.length, 'trying to write beyond buffer length')
verifuint(value, 0xffff)
}
var len = buf.length
if (offset >= len)
return
for (var i = 0, j = Math.min(len - offset, 2); i < j; i++) {
buf[offset + i] =
(value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
(littleEndian ? i : 1 - i) * 8
}
return offset + 2
}
Buffer.prototype.writeUInt16LE = function (value, offset, noAssert) {
return writeUInt16(this, value, offset, true, noAssert)
}
Buffer.prototype.writeUInt16BE = function (value, offset, noAssert) {
return writeUInt16(this, value, offset, false, noAssert)
}
function writeUInt32 (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 3 < buf.length, 'trying to write beyond buffer length')
verifuint(value, 0xffffffff)
}
var len = buf.length
if (offset >= len)
return
for (var i = 0, j = Math.min(len - offset, 4); i < j; i++) {
buf[offset + i] =
(value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
}
return offset + 4
}
Buffer.prototype.writeUInt32LE = function (value, offset, noAssert) {
return writeUInt32(this, value, offset, true, noAssert)
}
Buffer.prototype.writeUInt32BE = function (value, offset, noAssert) {
return writeUInt32(this, value, offset, false, noAssert)
}
Buffer.prototype.writeInt8 = function (value, offset, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset < this.length, 'Trying to write beyond buffer length')
verifsint(value, 0x7f, -0x80)
}
if (offset >= this.length)
return
if (value >= 0)
this.writeUInt8(value, offset, noAssert)
else
this.writeUInt8(0xff + value + 1, offset, noAssert)
return offset + 1
}
function writeInt16 (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 1 < buf.length, 'Trying to write beyond buffer length')
verifsint(value, 0x7fff, -0x8000)
}
var len = buf.length
if (offset >= len)
return
if (value >= 0)
writeUInt16(buf, value, offset, littleEndian, noAssert)
else
writeUInt16(buf, 0xffff + value + 1, offset, littleEndian, noAssert)
return offset + 2
}
Buffer.prototype.writeInt16LE = function (value, offset, noAssert) {
return writeInt16(this, value, offset, true, noAssert)
}
Buffer.prototype.writeInt16BE = function (value, offset, noAssert) {
return writeInt16(this, value, offset, false, noAssert)
}
function writeInt32 (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 3 < buf.length, 'Trying to write beyond buffer length')
verifsint(value, 0x7fffffff, -0x80000000)
}
var len = buf.length
if (offset >= len)
return
if (value >= 0)
writeUInt32(buf, value, offset, littleEndian, noAssert)
else
writeUInt32(buf, 0xffffffff + value + 1, offset, littleEndian, noAssert)
return offset + 4
}
Buffer.prototype.writeInt32LE = function (value, offset, noAssert) {
return writeInt32(this, value, offset, true, noAssert)
}
Buffer.prototype.writeInt32BE = function (value, offset, noAssert) {
return writeInt32(this, value, offset, false, noAssert)
}
function writeFloat (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 3 < buf.length, 'Trying to write beyond buffer length')
verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38)
}
var len = buf.length
if (offset >= len)
return
ieee754.write(buf, value, offset, littleEndian, 23, 4)
return offset + 4
}
Buffer.prototype.writeFloatLE = function (value, offset, noAssert) {
return writeFloat(this, value, offset, true, noAssert)
}
Buffer.prototype.writeFloatBE = function (value, offset, noAssert) {
return writeFloat(this, value, offset, false, noAssert)
}
function writeDouble (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
assert(value !== undefined && value !== null, 'missing value')
assert(typeof littleEndian === 'boolean', 'missing or invalid endian')
assert(offset !== undefined && offset !== null, 'missing offset')
assert(offset + 7 < buf.length,
'Trying to write beyond buffer length')
verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308)
}
var len = buf.length
if (offset >= len)
return
ieee754.write(buf, value, offset, littleEndian, 52, 8)
return offset + 8
}
Buffer.prototype.writeDoubleLE = function (value, offset, noAssert) {
return writeDouble(this, value, offset, true, noAssert)
}
Buffer.prototype.writeDoubleBE = function (value, offset, noAssert) {
return writeDouble(this, value, offset, false, noAssert)
}
// fill(value, start=0, end=buffer.length)
Buffer.prototype.fill = function (value, start, end) {
if (!value) value = 0
if (!start) start = 0
if (!end) end = this.length
assert(end >= start, 'end < start')
// Fill 0 bytes; we're done
if (end === start) return
if (this.length === 0) return
assert(start >= 0 && start < this.length, 'start out of bounds')
assert(end >= 0 && end <= this.length, 'end out of bounds')
var i
if (typeof value === 'number') {
for (i = start; i < end; i++) {
this[i] = value
}
} else {
var bytes = utf8ToBytes(value.toString())
var len = bytes.length
for (i = start; i < end; i++) {
this[i] = bytes[i % len]
}
}
return this
}
Buffer.prototype.inspect = function () {
var out = []
var len = this.length
for (var i = 0; i < len; i++) {
out[i] = toHex(this[i])
if (i === exports.INSPECT_MAX_BYTES) {
out[i + 1] = '...'
break
}
}
return '<Buffer ' + out.join(' ') + '>'
}
/**
* Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.
* Added in Node 0.12. Only available in browsers that support ArrayBuffer.
*/
Buffer.prototype.toArrayBuffer = function () {
if (typeof Uint8Array !== 'undefined') {
if (Buffer._useTypedArrays) {
return (new Buffer(this)).buffer
} else {
var buf = new Uint8Array(this.length)
for (var i = 0, len = buf.length; i < len; i += 1) {
buf[i] = this[i]
}
return buf.buffer
}
} else {
throw new Error('Buffer.toArrayBuffer not supported in this browser')
}
}
// HELPER FUNCTIONS
// ================
var BP = Buffer.prototype
/**
* Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
*/
Buffer._augment = function (arr) {
arr._isBuffer = true
// save reference to original Uint8Array get/set methods before overwriting
arr._get = arr.get
arr._set = arr.set
// deprecated, will be removed in node 0.13+
arr.get = BP.get
arr.set = BP.set
arr.write = BP.write
arr.toString = BP.toString
arr.toLocaleString = BP.toString
arr.toJSON = BP.toJSON
arr.equals = BP.equals
arr.compare = BP.compare
arr.copy = BP.copy
arr.slice = BP.slice
arr.readUInt8 = BP.readUInt8
arr.readUInt16LE = BP.readUInt16LE
arr.readUInt16BE = BP.readUInt16BE
arr.readUInt32LE = BP.readUInt32LE
arr.readUInt32BE = BP.readUInt32BE
arr.readInt8 = BP.readInt8
arr.readInt16LE = BP.readInt16LE
arr.readInt16BE = BP.readInt16BE
arr.readInt32LE = BP.readInt32LE
arr.readInt32BE = BP.readInt32BE
arr.readFloatLE = BP.readFloatLE
arr.readFloatBE = BP.readFloatBE
arr.readDoubleLE = BP.readDoubleLE
arr.readDoubleBE = BP.readDoubleBE
arr.writeUInt8 = BP.writeUInt8
arr.writeUInt16LE = BP.writeUInt16LE
arr.writeUInt16BE = BP.writeUInt16BE
arr.writeUInt32LE = BP.writeUInt32LE
arr.writeUInt32BE = BP.writeUInt32BE
arr.writeInt8 = BP.writeInt8
arr.writeInt16LE = BP.writeInt16LE
arr.writeInt16BE = BP.writeInt16BE
arr.writeInt32LE = BP.writeInt32LE
arr.writeInt32BE = BP.writeInt32BE
arr.writeFloatLE = BP.writeFloatLE
arr.writeFloatBE = BP.writeFloatBE
arr.writeDoubleLE = BP.writeDoubleLE
arr.writeDoubleBE = BP.writeDoubleBE
arr.fill = BP.fill
arr.inspect = BP.inspect
arr.toArrayBuffer = BP.toArrayBuffer
return arr
}
var INVALID_BASE64_RE = /[^+\/0-9A-z]/g
function base64clean (str) {
// Node strips out invalid characters like \n and \t from the string, base64-js does not
str = stringtrim(str).replace(INVALID_BASE64_RE, '')
// Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
while (str.length % 4 !== 0) {
str = str + '='
}
return str
}
function stringtrim (str) {
if (str.trim) return str.trim()
return str.replace(/^\s+|\s+$/g, '')
}
// slice(start, end)
function clamp (index, len, defaultValue) {
if (typeof index !== 'number') return defaultValue
index = ~~index; // Coerce to integer.
if (index >= len) return len
if (index >= 0) return index
index += len
if (index >= 0) return index
return 0
}
function coerce (length) {
// Coerce length to a number (possibly NaN), round up
// in case it's fractional (e.g. 123.456) then do a
// double negate to coerce a NaN to 0. Easy, right?
length = ~~Math.ceil(+length)
return length < 0 ? 0 : length
}
function isArray (subject) {
return (Array.isArray || function (subject) {
return Object.prototype.toString.call(subject) === '[object Array]'
})(subject)
}
function isArrayish (subject) {
return isArray(subject) || Buffer.isBuffer(subject) ||
subject && typeof subject === 'object' &&
typeof subject.length === 'number'
}
function toHex (n) {
if (n < 16) return '0' + n.toString(16)
return n.toString(16)
}
function utf8ToBytes (str) {
var byteArray = []
for (var i = 0; i < str.length; i++) {
var b = str.charCodeAt(i)
if (b <= 0x7F) {
byteArray.push(b)
} else {
var start = i
if (b >= 0xD800 && b <= 0xDFFF) i++
var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%')
for (var j = 0; j < h.length; j++) {
byteArray.push(parseInt(h[j], 16))
}
}
}
return byteArray
}
function asciiToBytes (str) {
var byteArray = []
for (var i = 0; i < str.length; i++) {
// Node's code seems to be doing this and not & 0x7F..
byteArray.push(str.charCodeAt(i) & 0xFF)
}
return byteArray
}
function utf16leToBytes (str) {
var c, hi, lo
var byteArray = []
for (var i = 0; i < str.length; i++) {
c = str.charCodeAt(i)
hi = c >> 8
lo = c % 256
byteArray.push(lo)
byteArray.push(hi)
}
return byteArray
}
function base64ToBytes (str) {
return base64.toByteArray(str)
}
function blitBuffer (src, dst, offset, length) {
for (var i = 0; i < length; i++) {
if ((i + offset >= dst.length) || (i >= src.length))
break
dst[i + offset] = src[i]
}
return i
}
function decodeUtf8Char (str) {
try {
return decodeURIComponent(str)
} catch (err) {
return String.fromCharCode(0xFFFD) // UTF 8 invalid char
}
}
/*
* We have to make sure that the value is a valid integer. This means that it
* is non-negative. It has no fractional component and that it does not
* exceed the maximum allowed value.
*/
function verifuint (value, max) {
assert(typeof value === 'number', 'cannot write a non-number as a number')
assert(value >= 0, 'specified a negative value for writing an unsigned value')
assert(value <= max, 'value is larger than maximum value for type')
assert(Math.floor(value) === value, 'value has a fractional component')
}
function verifsint (value, max, min) {
assert(typeof value === 'number', 'cannot write a non-number as a number')
assert(value <= max, 'value larger than maximum allowed value')
assert(value >= min, 'value smaller than minimum allowed value')
assert(Math.floor(value) === value, 'value has a fractional component')
}
function verifIEEE754 (value, max, min) {
assert(typeof value === 'number', 'cannot write a non-number as a number')
assert(value <= max, 'value larger than maximum allowed value')
assert(value >= min, 'value smaller than minimum allowed value')
}
function assert (test, message) {
if (!test) throw new Error(message || 'Failed assertion')
}
},{"base64-js":2,"ieee754":3}],2:[function(_dereq_,module,exports){
var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
;(function (exports) {
'use strict';
var Arr = (typeof Uint8Array !== 'undefined')
? Uint8Array
: Array
var PLUS = '+'.charCodeAt(0)
var SLASH = '/'.charCodeAt(0)
var NUMBER = '0'.charCodeAt(0)
var LOWER = 'a'.charCodeAt(0)
var UPPER = 'A'.charCodeAt(0)
function decode (elt) {
var code = elt.charCodeAt(0)
if (code === PLUS)
return 62 // '+'
if (code === SLASH)
return 63 // '/'
if (code < NUMBER)
return -1 //no match
if (code < NUMBER + 10)
return code - NUMBER + 26 + 26
if (code < UPPER + 26)
return code - UPPER
if (code < LOWER + 26)
return code - LOWER + 26
}
function b64ToByteArray (b64) {
var i, j, l, tmp, placeHolders, arr
if (b64.length % 4 > 0) {
throw new Error('Invalid string. Length must be a multiple of 4')
}
// the number of equal signs (place holders)
// if there are two placeholders, than the two characters before it
// represent one byte
// if there is only one, then the three characters before it represent 2 bytes
// this is just a cheap hack to not do indexOf twice
var len = b64.length
placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0
// base64 is 4/3 + up to two characters of the original data
arr = new Arr(b64.length * 3 / 4 - placeHolders)
// if there are placeholders, only get up to the last complete 4 chars
l = placeHolders > 0 ? b64.length - 4 : b64.length
var L = 0
function push (v) {
arr[L++] = v
}
for (i = 0, j = 0; i < l; i += 4, j += 3) {
tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))
push((tmp & 0xFF0000) >> 16)
push((tmp & 0xFF00) >> 8)
push(tmp & 0xFF)
}
if (placeHolders === 2) {
tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)
push(tmp & 0xFF)
} else if (placeHolders === 1) {
tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)
push((tmp >> 8) & 0xFF)
push(tmp & 0xFF)
}
return arr
}
function uint8ToBase64 (uint8) {
var i,
extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
output = "",
temp, length
function encode (num) {
return lookup.charAt(num)
}
function tripletToBase64 (num) {
return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)
}
// go through the array every three bytes, we'll deal with trailing stuff later
for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
output += tripletToBase64(temp)
}
// pad the end with zeros, but make sure to not forget the extra bytes
switch (extraBytes) {
case 1:
temp = uint8[uint8.length - 1]
output += encode(temp >> 2)
output += encode((temp << 4) & 0x3F)
output += '=='
break
case 2:
temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])
output += encode(temp >> 10)
output += encode((temp >> 4) & 0x3F)
output += encode((temp << 2) & 0x3F)
output += '='
break
}
return output
}
exports.toByteArray = b64ToByteArray
exports.fromByteArray = uint8ToBase64
}(typeof exports === 'undefined' ? (this.base64js = {}) : exports))
},{}],3:[function(_dereq_,module,exports){
exports.read = function(buffer, offset, isLE, mLen, nBytes) {
var e, m,
eLen = nBytes * 8 - mLen - 1,
eMax = (1 << eLen) - 1,
eBias = eMax >> 1,
nBits = -7,
i = isLE ? (nBytes - 1) : 0,
d = isLE ? -1 : 1,
s = buffer[offset + i];
i += d;
e = s & ((1 << (-nBits)) - 1);
s >>= (-nBits);
nBits += eLen;
for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8);
m = e & ((1 << (-nBits)) - 1);
e >>= (-nBits);
nBits += mLen;
for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8);
if (e === 0) {
e = 1 - eBias;
} else if (e === eMax) {
return m ? NaN : ((s ? -1 : 1) * Infinity);
} else {
m = m + Math.pow(2, mLen);
e = e - eBias;
}
return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
};
exports.write = function(buffer, value, offset, isLE, mLen, nBytes) {
var e, m, c,
eLen = nBytes * 8 - mLen - 1,
eMax = (1 << eLen) - 1,
eBias = eMax >> 1,
rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0),
i = isLE ? 0 : (nBytes - 1),
d = isLE ? 1 : -1,
s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
value = Math.abs(value);
if (isNaN(value) || value === Infinity) {
m = isNaN(value) ? 1 : 0;
e = eMax;
} else {
e = Math.floor(Math.log(value) / Math.LN2);
if (value * (c = Math.pow(2, -e)) < 1) {
e--;
c *= 2;
}
if (e + eBias >= 1) {
value += rt / c;
} else {
value += rt * Math.pow(2, 1 - eBias);
}
if (value * c >= 2) {
e++;
c /= 2;
}
if (e + eBias >= eMax) {
m = 0;
e = eMax;
} else if (e + eBias >= 1) {
m = (value * c - 1) * Math.pow(2, mLen);
e = e + eBias;
} else {
m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
e = 0;
}
}
for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8);
e = (e << mLen) | m;
eLen += mLen;
for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8);
buffer[offset + i - d] |= s * 128;
};
},{}],4:[function(_dereq_,module,exports){
(function (process){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) {
// if the path tries to go above the root, `up` ends up > 0
var up = 0;
for (var i = parts.length - 1; i >= 0; i--) {
var last = parts[i];
if (last === '.') {
parts.splice(i, 1);
} else if (last === '..') {
parts.splice(i, 1);
up++;
} else if (up) {
parts.splice(i, 1);
up--;
}
}
// if the path is allowed to go above the root, restore leading ..s
if (allowAboveRoot) {
for (; up--; up) {
parts.unshift('..');
}
}
return parts;
}
// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
var splitPathRe =
/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
var splitPath = function(filename) {
return splitPathRe.exec(filename).slice(1);
};
// path.resolve([from ...], to)
// posix version
exports.resolve = function() {
var resolvedPath = '',
resolvedAbsolute = false;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = (i >= 0) ? arguments[i] : process.cwd();
// Skip empty and invalid entries
if (typeof path !== 'string') {
throw new TypeError('Arguments to path.resolve must be strings');
} else if (!path) {
continue;
}
resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = path.charAt(0) === '/';
}
// At this point the path should be resolved to a full absolute path, but
// handle relative paths to be safe (might happen when process.cwd() fails)
// Normalize the path
resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
return !!p;
}), !resolvedAbsolute).join('/');
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
};
// path.normalize(path)
// posix version
exports.normalize = function(path) {
var isAbsolute = exports.isAbsolute(path),
trailingSlash = substr(path, -1) === '/';
// Normalize the path
path = normalizeArray(filter(path.split('/'), function(p) {
return !!p;
}), !isAbsolute).join('/');
if (!path && !isAbsolute) {
path = '.';
}
if (path && trailingSlash) {
path += '/';
}
return (isAbsolute ? '/' : '') + path;
};
// posix version
exports.isAbsolute = function(path) {
return path.charAt(0) === '/';
};
// posix version
exports.join = function() {
var paths = Array.prototype.slice.call(arguments, 0);
return exports.normalize(filter(paths, function(p, index) {
if (typeof p !== 'string') {
throw new TypeError('Arguments to path.join must be strings');
}
return p;
}).join('/'));
};
// path.relative(from, to)
// posix version
exports.relative = function(from, to) {
from = exports.resolve(from).substr(1);
to = exports.resolve(to).substr(1);
function trim(arr) {
var start = 0;
for (; start < arr.length; start++) {
if (arr[start] !== '') break;
}
var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== '') break;
}
if (start > end) return [];
return arr.slice(start, end - start + 1);
}
var fromParts = trim(from.split('/'));
var toParts = trim(to.split('/'));
var length = Math.min(fromParts.length, toParts.length);
var samePartsLength = length;
for (var i = 0; i < length; i++) {
if (fromParts[i] !== toParts[i]) {
samePartsLength = i;
break;
}
}
var outputParts = [];
for (var i = samePartsLength; i < fromParts.length; i++) {
outputParts.push('..');
}
outputParts = outputParts.concat(toParts.slice(samePartsLength));
return outputParts.join('/');
};
exports.sep = '/';
exports.delimiter = ':';
exports.dirname = function(path) {
var result = splitPath(path),
root = result[0],
dir = result[1];
if (!root && !dir) {
// No dirname whatsoever
return '.';
}
if (dir) {
// It has a dirname, strip trailing slash
dir = dir.substr(0, dir.length - 1);
}
return root + dir;
};
exports.basename = function(path, ext) {
var f = splitPath(path)[2];
// TODO: make this comparison case-insensitive on windows?
if (ext && f.substr(-1 * ext.length) === ext) {
f = f.substr(0, f.length - ext.length);
}
return f;
};
exports.extname = function(path) {
return splitPath(path)[3];
};
function filter (xs, f) {
if (xs.filter) return xs.filter(f);
var res = [];
for (var i = 0; i < xs.length; i++) {
if (f(xs[i], i, xs)) res.push(xs[i]);
}
return res;
}
// String.prototype.substr - negative index don't work in IE8
var substr = 'ab'.substr(-1) === 'b'
? function (str, start, len) { return str.substr(start, len) }
: function (str, start, len) {
if (start < 0) start = str.length + start;
return str.substr(start, len);
}
;
}).call(this,_dereq_("FWaASH"))
},{"FWaASH":5}],5:[function(_dereq_,module,exports){
// shim for using process in browser
var process = module.exports = {};
process.nextTick = (function () {
var canSetImmediate = typeof window !== 'undefined'
&& window.setImmediate;
var canPost = typeof window !== 'undefined'
&& window.postMessage && window.addEventListener
;
if (canSetImmediate) {
return function (f) { return window.setImmediate(f) };
}
if (canPost) {
var queue = [];
window.addEventListener('message', function (ev) {
var source = ev.source;
if ((source === window || source === null) && ev.data === 'process-tick') {
ev.stopPropagation();
if (queue.length > 0) {
var fn = queue.shift();
fn();
}
}
}, true);
return function nextTick(fn) {
queue.push(fn);
window.postMessage('process-tick', '*');
};
}
return function nextTick(fn) {
setTimeout(fn, 0);
};
})();
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
function noop() {}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.binding = function (name) {
throw new Error('process.binding is not supported');
}
// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};
},{}],6:[function(_dereq_,module,exports){
/*
Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com>
Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*jslint bitwise:true plusplus:true */
/*global esprima:true, define:true, exports:true, window: true,
throwError: true, generateStatement: true, peek: true,
parseAssignmentExpression: true, parseBlock: true,
parseClassExpression: true, parseClassDeclaration: true, parseExpression: true,
parseForStatement: true,
parseFunctionDeclaration: true, parseFunctionExpression: true,
parseFunctionSourceElements: true, parseVariableIdentifier: true,
parseImportSpecifier: true,
parseLeftHandSideExpression: true, parseParams: true, validateParam: true,
parseSpreadOrAssignmentExpression: true,
parseStatement: true, parseSourceElement: true, parseModuleBlock: true, parseConciseBody: true,
advanceXJSChild: true, isXJSIdentifierStart: true, isXJSIdentifierPart: true,
scanXJSStringLiteral: true, scanXJSIdentifier: true,
parseXJSAttributeValue: true, parseXJSChild: true, parseXJSElement: true, parseXJSExpressionContainer: true, parseXJSEmptyExpression: true,
parseTypeAnnotation: true, parseTypeAnnotatableIdentifier: true,
parseYieldExpression: true
*/
(function (root, factory) {
'use strict';
// Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
// Rhino, and plain browser loading.
if (typeof define === 'function' && define.amd) {
define(['exports'], factory);
} else if (typeof exports !== 'undefined') {
factory(exports);
} else {
factory((root.esprima = {}));
}
}(this, function (exports) {
'use strict';
var Token,
TokenName,
FnExprTokens,
Syntax,
PropertyKind,
Messages,
Regex,
SyntaxTreeDelegate,
XHTMLEntities,
ClassPropertyType,
source,
strict,
index,
lineNumber,
lineStart,
length,
delegate,
lookahead,
state,
extra;
Token = {
BooleanLiteral: 1,
EOF: 2,
Identifier: 3,
Keyword: 4,
NullLiteral: 5,
NumericLiteral: 6,
Punctuator: 7,
StringLiteral: 8,
RegularExpression: 9,
Template: 10,
XJSIdentifier: 11,
XJSText: 12
};
TokenName = {};
TokenName[Token.BooleanLiteral] = 'Boolean';
TokenName[Token.EOF] = '<end>';
TokenName[Token.Identifier] = 'Identifier';
TokenName[Token.Keyword] = 'Keyword';
TokenName[Token.NullLiteral] = 'Null';
TokenName[Token.NumericLiteral] = 'Numeric';
TokenName[Token.Punctuator] = 'Punctuator';
TokenName[Token.StringLiteral] = 'String';
TokenName[Token.XJSIdentifier] = 'XJSIdentifier';
TokenName[Token.XJSText] = 'XJSText';
TokenName[Token.RegularExpression] = 'RegularExpression';
// A function following one of those tokens is an expression.
FnExprTokens = ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new',
'return', 'case', 'delete', 'throw', 'void',
// assignment operators
'=', '+=', '-=', '*=', '/=', '%=', '<<=', '>>=', '>>>=',
'&=', '|=', '^=', ',',
// binary/unary operators
'+', '-', '*', '/', '%', '++', '--', '<<', '>>', '>>>', '&',
'|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=',
'<=', '<', '>', '!=', '!=='];
Syntax = {
ArrayExpression: 'ArrayExpression',
ArrayPattern: 'ArrayPattern',
ArrowFunctionExpression: 'ArrowFunctionExpression',
AssignmentExpression: 'AssignmentExpression',
BinaryExpression: 'BinaryExpression',
BlockStatement: 'BlockStatement',
BreakStatement: 'BreakStatement',
CallExpression: 'CallExpression',
CatchClause: 'CatchClause',
ClassBody: 'ClassBody',
ClassDeclaration: 'ClassDeclaration',
ClassExpression: 'ClassExpression',
ClassProperty: 'ClassProperty',
ComprehensionBlock: 'ComprehensionBlock',
ComprehensionExpression: 'ComprehensionExpression',
ConditionalExpression: 'ConditionalExpression',
ContinueStatement: 'ContinueStatement',
DebuggerStatement: 'DebuggerStatement',
DoWhileStatement: 'DoWhileStatement',
EmptyStatement: 'EmptyStatement',
ExportDeclaration: 'ExportDeclaration',
ExportBatchSpecifier: 'ExportBatchSpecifier',
ExportSpecifier: 'ExportSpecifier',
ExpressionStatement: 'ExpressionStatement',
ForInStatement: 'ForInStatement',
ForOfStatement: 'ForOfStatement',
ForStatement: 'ForStatement',
FunctionDeclaration: 'FunctionDeclaration',
FunctionExpression: 'FunctionExpression',
Identifier: 'Identifier',
IfStatement: 'IfStatement',
ImportDeclaration: 'ImportDeclaration',
ImportSpecifier: 'ImportSpecifier',
LabeledStatement: 'LabeledStatement',
Literal: 'Literal',
LogicalExpression: 'LogicalExpression',
MemberExpression: 'MemberExpression',
MethodDefinition: 'MethodDefinition',
ModuleDeclaration: 'ModuleDeclaration',
NewExpression: 'NewExpression',
ObjectExpression: 'ObjectExpression',
ObjectPattern: 'ObjectPattern',
ObjectTypeAnnotation: 'ObjectTypeAnnotation',
OptionalParameter: 'OptionalParameter',
ParametricTypeAnnotation: 'ParametricTypeAnnotation',
ParametricallyTypedIdentifier: 'ParametricallyTypedIdentifier',
Program: 'Program',
Property: 'Property',
ReturnStatement: 'ReturnStatement',
SequenceExpression: 'SequenceExpression',
SpreadElement: 'SpreadElement',
SpreadProperty: 'SpreadProperty',
SwitchCase: 'SwitchCase',
SwitchStatement: 'SwitchStatement',
TaggedTemplateExpression: 'TaggedTemplateExpression',
TemplateElement: 'TemplateElement',
TemplateLiteral: 'TemplateLiteral',
ThisExpression: 'ThisExpression',
ThrowStatement: 'ThrowStatement',
TryStatement: 'TryStatement',
TypeAnnotatedIdentifier: 'TypeAnnotatedIdentifier',
TypeAnnotation: 'TypeAnnotation',
UnaryExpression: 'UnaryExpression',
UpdateExpression: 'UpdateExpression',
VariableDeclaration: 'VariableDeclaration',
VariableDeclarator: 'VariableDeclarator',
VoidTypeAnnotation: 'VoidTypeAnnotation',
WhileStatement: 'WhileStatement',
WithStatement: 'WithStatement',
XJSIdentifier: 'XJSIdentifier',
XJSNamespacedName: 'XJSNamespacedName',
XJSMemberExpression: 'XJSMemberExpression',
XJSEmptyExpression: 'XJSEmptyExpression',
XJSExpressionContainer: 'XJSExpressionContainer',
XJSElement: 'XJSElement',
XJSClosingElement: 'XJSClosingElement',
XJSOpeningElement: 'XJSOpeningElement',
XJSAttribute: 'XJSAttribute',
XJSSpreadAttribute: 'XJSSpreadAttribute',
XJSText: 'XJSText',
YieldExpression: 'YieldExpression'
};
PropertyKind = {
Data: 1,
Get: 2,
Set: 4
};
ClassPropertyType = {
'static': 'static',
prototype: 'prototype'
};
// Error messages should be identical to V8.
Messages = {
UnexpectedToken: 'Unexpected token %0',
UnexpectedNumber: 'Unexpected number',
UnexpectedString: 'Unexpected string',
UnexpectedIdentifier: 'Unexpected identifier',
UnexpectedReserved: 'Unexpected reserved word',
UnexpectedTemplate: 'Unexpected quasi %0',
UnexpectedEOS: 'Unexpected end of input',
NewlineAfterThrow: 'Illegal newline after throw',
InvalidRegExp: 'Invalid regular expression',
UnterminatedRegExp: 'Invalid regular expression: missing /',
InvalidLHSInAssignment: 'Invalid left-hand side in assignment',
InvalidLHSInFormalsList: 'Invalid left-hand side in formals list',
InvalidLHSInForIn: 'Invalid left-hand side in for-in',
MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
NoCatchOrFinally: 'Missing catch or finally after try',
UnknownLabel: 'Undefined label \'%0\'',
Redeclaration: '%0 \'%1\' has already been declared',
IllegalContinue: 'Illegal continue statement',
IllegalBreak: 'Illegal break statement',
IllegalDuplicateClassProperty: 'Illegal duplicate property in class definition',
IllegalReturn: 'Illegal return statement',
IllegalYield: 'Illegal yield expression',
IllegalSpread: 'Illegal spread element',
StrictModeWith: 'Strict mode code may not include a with statement',
StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode',
StrictVarName: 'Variable name may not be eval or arguments in strict mode',
StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode',
StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
ParameterAfterRestParameter: 'Rest parameter must be final parameter of an argument list',
DefaultRestParameter: 'Rest parameter can not have a default value',
ElementAfterSpreadElement: 'Spread must be the final element of an element list',
PropertyAfterSpreadProperty: 'A rest property must be the final property of an object literal',
ObjectPatternAsRestParameter: 'Invalid rest parameter',
ObjectPatternAsSpread: 'Invalid spread argument',
StrictFunctionName: 'Function name may not be eval or arguments in strict mode',
StrictOctalLiteral: 'Octal literals are not allowed in strict mode.',
StrictDelete: 'Delete of an unqualified identifier in strict mode.',
StrictDuplicateProperty: 'Duplicate data property in object literal not allowed in strict mode',
AccessorDataProperty: 'Object literal may not have data and accessor property with the same name',
AccessorGetSet: 'Object literal may not have multiple get/set accessors with the same name',
StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode',
StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode',
StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode',
StrictReservedWord: 'Use of future reserved word in strict mode',
NewlineAfterModule: 'Illegal newline after module',
NoFromAfterImport: 'Missing from after import',
InvalidModuleSpecifier: 'Invalid module specifier',
NestedModule: 'Module declaration can not be nested',
NoUnintializedConst: 'Const must be initialized',
ComprehensionRequiresBlock: 'Comprehension must have at least one block',
ComprehensionError: 'Comprehension Error',
EachNotAllowed: 'Each is not supported',
InvalidXJSAttributeValue: 'XJS value should be either an expression or a quoted XJS text',
ExpectedXJSClosingTag: 'Expected corresponding XJS closing tag for %0',
AdjacentXJSElements: 'Adjacent XJS elements must be wrapped in an enclosing tag'
};
// See also tools/generate-unicode-regex.py.
Regex = {
NonAsciiIdentifierStart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191c\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2e2f\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua697\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa80-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]'),
NonAsciiIdentifierPart: new 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\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]')
};
// Ensure the condition is true, otherwise throw an error.
// This is only to have a better contract semantic, i.e. another safety net
// to catch a logic error. The condition shall be fulfilled in normal case.
// Do NOT use this to enforce a certain condition on any user input.
function assert(condition, message) {
if (!condition) {
throw new Error('ASSERT: ' + message);
}
}
function isDecimalDigit(ch) {
return (ch >= 48 && ch <= 57); // 0..9
}
function isHexDigit(ch) {
return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
}
function isOctalDigit(ch) {
return '01234567'.indexOf(ch) >= 0;
}
// 7.2 White Space
function isWhiteSpace(ch) {
return (ch === 32) || // space
(ch === 9) || // tab
(ch === 0xB) ||
(ch === 0xC) ||
(ch === 0xA0) ||
(ch >= 0x1680 && '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(String.fromCharCode(ch)) > 0);
}
// 7.3 Line Terminators
function isLineTerminator(ch) {
return (ch === 10) || (ch === 13) || (ch === 0x2028) || (ch === 0x2029);
}
// 7.6 Identifier Names and Identifiers
function isIdentifierStart(ch) {
return (ch === 36) || (ch === 95) || // $ (dollar) and _ (underscore)
(ch >= 65 && ch <= 90) || // A..Z
(ch >= 97 && ch <= 122) || // a..z
(ch === 92) || // \ (backslash)
((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch)));
}
function isIdentifierPart(ch) {
return (ch === 36) || (ch === 95) || // $ (dollar) and _ (underscore)
(ch >= 65 && ch <= 90) || // A..Z
(ch >= 97 && ch <= 122) || // a..z
(ch >= 48 && ch <= 57) || // 0..9
(ch === 92) || // \ (backslash)
((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch)));
}
// 7.6.1.2 Future Reserved Words
function isFutureReservedWord(id) {
switch (id) {
case 'class':
case 'enum':
case 'export':
case 'extends':
case 'import':
case 'super':
return true;
default:
return false;
}
}
function isStrictModeReservedWord(id) {
switch (id) {
case 'implements':
case 'interface':
case 'package':
case 'private':
case 'protected':
case 'public':
case 'static':
case 'yield':
case 'let':
return true;
default:
return false;
}
}
function isRestrictedWord(id) {
return id === 'eval' || id === 'arguments';
}
// 7.6.1.1 Keywords
function isKeyword(id) {
if (strict && isStrictModeReservedWord(id)) {
return true;
}
// 'const' is specialized as Keyword in V8.
// 'yield' is only treated as a keyword in strict mode.
// 'let' is for compatiblity with SpiderMonkey and ES.next.
// Some others are from future reserved words.
switch (id.length) {
case 2:
return (id === 'if') || (id === 'in') || (id === 'do');
case 3:
return (id === 'var') || (id === 'for') || (id === 'new') ||
(id === 'try') || (id === 'let');
case 4:
return (id === 'this') || (id === 'else') || (id === 'case') ||
(id === 'void') || (id === 'with') || (id === 'enum');
case 5:
return (id === 'while') || (id === 'break') || (id === 'catch') ||
(id === 'throw') || (id === 'const') ||
(id === 'class') || (id === 'super');
case 6:
return (id === 'return') || (id === 'typeof') || (id === 'delete') ||
(id === 'switch') || (id === 'export') || (id === 'import');
case 7:
return (id === 'default') || (id === 'finally') || (id === 'extends');
case 8:
return (id === 'function') || (id === 'continue') || (id === 'debugger');
case 10:
return (id === 'instanceof');
default:
return false;
}
}
// 7.4 Comments
function skipComment() {
var ch, blockComment, lineComment;
blockComment = false;
lineComment = false;
while (index < length) {
ch = source.charCodeAt(index);
if (lineComment) {
++index;
if (isLineTerminator(ch)) {
lineComment = false;
if (ch === 13 && source.charCodeAt(index) === 10) {
++index;
}
++lineNumber;
lineStart = index;
}
} else if (blockComment) {
if (isLineTerminator(ch)) {
if (ch === 13 && source.charCodeAt(index + 1) === 10) {
++index;
}
++lineNumber;
++index;
lineStart = index;
if (index >= length) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
} else {
ch = source.charCodeAt(index++);
if (index >= length) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
// Block comment ends with '*/' (char #42, char #47).
if (ch === 42) {
ch = source.charCodeAt(index);
if (ch === 47) {
++index;
blockComment = false;
}
}
}
} else if (ch === 47) {
ch = source.charCodeAt(index + 1);
// Line comment starts with '//' (char #47, char #47).
if (ch === 47) {
index += 2;
lineComment = true;
} else if (ch === 42) {
// Block comment starts with '/*' (char #47, char #42).
index += 2;
blockComment = true;
if (index >= length) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
} else {
break;
}
} else if (isWhiteSpace(ch)) {
++index;
} else if (isLineTerminator(ch)) {
++index;
if (ch === 13 && source.charCodeAt(index) === 10) {
++index;
}
++lineNumber;
lineStart = index;
} else {
break;
}
}
}
function scanHexEscape(prefix) {
var i, len, ch, code = 0;
len = (prefix === 'u') ? 4 : 2;
for (i = 0; i < len; ++i) {
if (index < length && isHexDigit(source[index])) {
ch = source[index++];
code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
} else {
return '';
}
}
return String.fromCharCode(code);
}
function scanUnicodeCodePointEscape() {
var ch, code, cu1, cu2;
ch = source[index];
code = 0;
// At least, one hex digit is required.
if (ch === '}') {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
while (index < length) {
ch = source[index++];
if (!isHexDigit(ch)) {
break;
}
code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
}
if (code > 0x10FFFF || ch !== '}') {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
// UTF-16 Encoding
if (code <= 0xFFFF) {
return String.fromCharCode(code);
}
cu1 = ((code - 0x10000) >> 10) + 0xD800;
cu2 = ((code - 0x10000) & 1023) + 0xDC00;
return String.fromCharCode(cu1, cu2);
}
function getEscapedIdentifier() {
var ch, id;
ch = source.charCodeAt(index++);
id = String.fromCharCode(ch);
// '\u' (char #92, char #117) denotes an escaped character.
if (ch === 92) {
if (source.charCodeAt(index) !== 117) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
++index;
ch = scanHexEscape('u');
if (!ch || ch === '\\' || !isIdentifierStart(ch.charCodeAt(0))) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
id = ch;
}
while (index < length) {
ch = source.charCodeAt(index);
if (!isIdentifierPart(ch)) {
break;
}
++index;
id += String.fromCharCode(ch);
// '\u' (char #92, char #117) denotes an escaped character.
if (ch === 92) {
id = id.substr(0, id.length - 1);
if (source.charCodeAt(index) !== 117) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
++index;
ch = scanHexEscape('u');
if (!ch || ch === '\\' || !isIdentifierPart(ch.charCodeAt(0))) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
id += ch;
}
}
return id;
}
function getIdentifier() {
var start, ch;
start = index++;
while (index < length) {
ch = source.charCodeAt(index);
if (ch === 92) {
// Blackslash (char #92) marks Unicode escape sequence.
index = start;
return getEscapedIdentifier();
}
if (isIdentifierPart(ch)) {
++index;
} else {
break;
}
}
return source.slice(start, index);
}
function scanIdentifier() {
var start, id, type;
start = index;
// Backslash (char #92) starts an escaped character.
id = (source.charCodeAt(index) === 92) ? getEscapedIdentifier() : getIdentifier();
// There is no keyword or literal with only one character.
// Thus, it must be an identifier.
if (id.length === 1) {
type = Token.Identifier;
} else if (isKeyword(id)) {
type = Token.Keyword;
} else if (id === 'null') {
type = Token.NullLiteral;
} else if (id === 'true' || id === 'false') {
type = Token.BooleanLiteral;
} else {
type = Token.Identifier;
}
return {
type: type,
value: id,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
// 7.7 Punctuators
function scanPunctuator() {
var start = index,
code = source.charCodeAt(index),
code2,
ch1 = source[index],
ch2,
ch3,
ch4;
switch (code) {
// Check for most common single-character punctuators.
case 40: // ( open bracket
case 41: // ) close bracket
case 59: // ; semicolon
case 44: // , comma
case 123: // { open curly brace
case 125: // } close curly brace
case 91: // [
case 93: // ]
case 58: // :
case 63: // ?
case 126: // ~
++index;
if (extra.tokenize) {
if (code === 40) {
extra.openParenToken = extra.tokens.length;
} else if (code === 123) {
extra.openCurlyToken = extra.tokens.length;
}
}
return {
type: Token.Punctuator,
value: String.fromCharCode(code),
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
default:
code2 = source.charCodeAt(index + 1);
// '=' (char #61) marks an assignment or comparison operator.
if (code2 === 61) {
switch (code) {
case 37: // %
case 38: // &
case 42: // *:
case 43: // +
case 45: // -
case 47: // /
case 60: // <
case 62: // >
case 94: // ^
case 124: // |
index += 2;
return {
type: Token.Punctuator,
value: String.fromCharCode(code) + String.fromCharCode(code2),
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
case 33: // !
case 61: // =
index += 2;
// !== and ===
if (source.charCodeAt(index) === 61) {
++index;
}
return {
type: Token.Punctuator,
value: source.slice(start, index),
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
default:
break;
}
}
break;
}
// Peek more characters.
ch2 = source[index + 1];
ch3 = source[index + 2];
ch4 = source[index + 3];
// 4-character punctuator: >>>=
if (ch1 === '>' && ch2 === '>' && ch3 === '>') {
if (ch4 === '=') {
index += 4;
return {
type: Token.Punctuator,
value: '>>>=',
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
}
// 3-character punctuators: === !== >>> <<= >>=
if (ch1 === '>' && ch2 === '>' && ch3 === '>') {
index += 3;
return {
type: Token.Punctuator,
value: '>>>',
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
if (ch1 === '<' && ch2 === '<' && ch3 === '=') {
index += 3;
return {
type: Token.Punctuator,
value: '<<=',
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
if (ch1 === '>' && ch2 === '>' && ch3 === '=') {
index += 3;
return {
type: Token.Punctuator,
value: '>>=',
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
if (ch1 === '.' && ch2 === '.' && ch3 === '.') {
index += 3;
return {
type: Token.Punctuator,
value: '...',
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
// Other 2-character punctuators: ++ -- << >> && ||
if (ch1 === ch2 && ('+-<>&|'.indexOf(ch1) >= 0)) {
index += 2;
return {
type: Token.Punctuator,
value: ch1 + ch2,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
if (ch1 === '=' && ch2 === '>') {
index += 2;
return {
type: Token.Punctuator,
value: '=>',
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
++index;
return {
type: Token.Punctuator,
value: ch1,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
if (ch1 === '.') {
++index;
return {
type: Token.Punctuator,
value: ch1,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
// 7.8.3 Numeric Literals
function scanHexLiteral(start) {
var number = '';
while (index < length) {
if (!isHexDigit(source[index])) {
break;
}
number += source[index++];
}
if (number.length === 0) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
if (isIdentifierStart(source.charCodeAt(index))) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
return {
type: Token.NumericLiteral,
value: parseInt('0x' + number, 16),
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
function scanOctalLiteral(prefix, start) {
var number, octal;
if (isOctalDigit(prefix)) {
octal = true;
number = '0' + source[index++];
} else {
octal = false;
++index;
number = '';
}
while (index < length) {
if (!isOctalDigit(source[index])) {
break;
}
number += source[index++];
}
if (!octal && number.length === 0) {
// only 0o or 0O
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
if (isIdentifierStart(source.charCodeAt(index)) || isDecimalDigit(source.charCodeAt(index))) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
return {
type: Token.NumericLiteral,
value: parseInt(number, 8),
octal: octal,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
function scanNumericLiteral() {
var number, start, ch, octal;
ch = source[index];
assert(isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'),
'Numeric literal must start with a decimal digit or a decimal point');
start = index;
number = '';
if (ch !== '.') {
number = source[index++];
ch = source[index];
// Hex number starts with '0x'.
// Octal number starts with '0'.
// Octal number in ES6 starts with '0o'.
// Binary number in ES6 starts with '0b'.
if (number === '0') {
if (ch === 'x' || ch === 'X') {
++index;
return scanHexLiteral(start);
}
if (ch === 'b' || ch === 'B') {
++index;
number = '';
while (index < length) {
ch = source[index];
if (ch !== '0' && ch !== '1') {
break;
}
number += source[index++];
}
if (number.length === 0) {
// only 0b or 0B
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
if (index < length) {
ch = source.charCodeAt(index);
if (isIdentifierStart(ch) || isDecimalDigit(ch)) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
}
return {
type: Token.NumericLiteral,
value: parseInt(number, 2),
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
if (ch === 'o' || ch === 'O' || isOctalDigit(ch)) {
return scanOctalLiteral(ch, start);
}
// decimal number starts with '0' such as '09' is illegal.
if (ch && isDecimalDigit(ch.charCodeAt(0))) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
}
while (isDecimalDigit(source.charCodeAt(index))) {
number += source[index++];
}
ch = source[index];
}
if (ch === '.') {
number += source[index++];
while (isDecimalDigit(source.charCodeAt(index))) {
number += source[index++];
}
ch = source[index];
}
if (ch === 'e' || ch === 'E') {
number += source[index++];
ch = source[index];
if (ch === '+' || ch === '-') {
number += source[index++];
}
if (isDecimalDigit(source.charCodeAt(index))) {
while (isDecimalDigit(source.charCodeAt(index))) {
number += source[index++];
}
} else {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
}
if (isIdentifierStart(source.charCodeAt(index))) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
return {
type: Token.NumericLiteral,
value: parseFloat(number),
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
// 7.8.4 String Literals
function scanStringLiteral() {
var str = '', quote, start, ch, code, unescaped, restore, octal = false;
quote = source[index];
assert((quote === '\'' || quote === '"'),
'String literal must starts with a quote');
start = index;
++index;
while (index < length) {
ch = source[index++];
if (ch === quote) {
quote = '';
break;
} else if (ch === '\\') {
ch = source[index++];
if (!ch || !isLineTerminator(ch.charCodeAt(0))) {
switch (ch) {
case 'n':
str += '\n';
break;
case 'r':
str += '\r';
break;
case 't':
str += '\t';
break;
case 'u':
case 'x':
if (source[index] === '{') {
++index;
str += scanUnicodeCodePointEscape();
} else {
restore = index;
unescaped = scanHexEscape(ch);
if (unescaped) {
str += unescaped;
} else {
index = restore;
str += ch;
}
}
break;
case 'b':
str += '\b';
break;
case 'f':
str += '\f';
break;
case 'v':
str += '\x0B';
break;
default:
if (isOctalDigit(ch)) {
code = '01234567'.indexOf(ch);
// \0 is not octal escape sequence
if (code !== 0) {
octal = true;
}
if (index < length && isOctalDigit(source[index])) {
octal = true;
code = code * 8 + '01234567'.indexOf(source[index++]);
// 3 digits are only allowed when string starts
// with 0, 1, 2, 3
if ('0123'.indexOf(ch) >= 0 &&
index < length &&
isOctalDigit(source[index])) {
code = code * 8 + '01234567'.indexOf(source[index++]);
}
}
str += String.fromCharCode(code);
} else {
str += ch;
}
break;
}
} else {
++lineNumber;
if (ch === '\r' && source[index] === '\n') {
++index;
}
}
} else if (isLineTerminator(ch.charCodeAt(0))) {
break;
} else {
str += ch;
}
}
if (quote !== '') {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
return {
type: Token.StringLiteral,
value: str,
octal: octal,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
function scanTemplate() {
var cooked = '', ch, start, terminated, tail, restore, unescaped, code, octal;
terminated = false;
tail = false;
start = index;
++index;
while (index < length) {
ch = source[index++];
if (ch === '`') {
tail = true;
terminated = true;
break;
} else if (ch === '$') {
if (source[index] === '{') {
++index;
terminated = true;
break;
}
cooked += ch;
} else if (ch === '\\') {
ch = source[index++];
if (!isLineTerminator(ch.charCodeAt(0))) {
switch (ch) {
case 'n':
cooked += '\n';
break;
case 'r':
cooked += '\r';
break;
case 't':
cooked += '\t';
break;
case 'u':
case 'x':
if (source[index] === '{') {
++index;
cooked += scanUnicodeCodePointEscape();
} else {
restore = index;
unescaped = scanHexEscape(ch);
if (unescaped) {
cooked += unescaped;
} else {
index = restore;
cooked += ch;
}
}
break;
case 'b':
cooked += '\b';
break;
case 'f':
cooked += '\f';
break;
case 'v':
cooked += '\v';
break;
default:
if (isOctalDigit(ch)) {
code = '01234567'.indexOf(ch);
// \0 is not octal escape sequence
if (code !== 0) {
octal = true;
}
if (index < length && isOctalDigit(source[index])) {
octal = true;
code = code * 8 + '01234567'.indexOf(source[index++]);
// 3 digits are only allowed when string starts
// with 0, 1, 2, 3
if ('0123'.indexOf(ch) >= 0 &&
index < length &&
isOctalDigit(source[index])) {
code = code * 8 + '01234567'.indexOf(source[index++]);
}
}
cooked += String.fromCharCode(code);
} else {
cooked += ch;
}
break;
}
} else {
++lineNumber;
if (ch === '\r' && source[index] === '\n') {
++index;
}
}
} else if (isLineTerminator(ch.charCodeAt(0))) {
++lineNumber;
if (ch === '\r' && source[index] === '\n') {
++index;
}
cooked += '\n';
} else {
cooked += ch;
}
}
if (!terminated) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
return {
type: Token.Template,
value: {
cooked: cooked,
raw: source.slice(start + 1, index - ((tail) ? 1 : 2))
},
tail: tail,
octal: octal,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
function scanTemplateElement(option) {
var startsWith, template;
lookahead = null;
skipComment();
startsWith = (option.head) ? '`' : '}';
if (source[index] !== startsWith) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
template = scanTemplate();
peek();
return template;
}
function scanRegExp() {
var str, ch, start, pattern, flags, value, classMarker = false, restore, terminated = false;
lookahead = null;
skipComment();
start = index;
ch = source[index];
assert(ch === '/', 'Regular expression literal must start with a slash');
str = source[index++];
while (index < length) {
ch = source[index++];
str += ch;
if (classMarker) {
if (ch === ']') {
classMarker = false;
}
} else {
if (ch === '\\') {
ch = source[index++];
// ECMA-262 7.8.5
if (isLineTerminator(ch.charCodeAt(0))) {
throwError({}, Messages.UnterminatedRegExp);
}
str += ch;
} else if (ch === '/') {
terminated = true;
break;
} else if (ch === '[') {
classMarker = true;
} else if (isLineTerminator(ch.charCodeAt(0))) {
throwError({}, Messages.UnterminatedRegExp);
}
}
}
if (!terminated) {
throwError({}, Messages.UnterminatedRegExp);
}
// Exclude leading and trailing slash.
pattern = str.substr(1, str.length - 2);
flags = '';
while (index < length) {
ch = source[index];
if (!isIdentifierPart(ch.charCodeAt(0))) {
break;
}
++index;
if (ch === '\\' && index < length) {
ch = source[index];
if (ch === 'u') {
++index;
restore = index;
ch = scanHexEscape('u');
if (ch) {
flags += ch;
for (str += '\\u'; restore < index; ++restore) {
str += source[restore];
}
} else {
index = restore;
flags += 'u';
str += '\\u';
}
} else {
str += '\\';
}
} else {
flags += ch;
str += ch;
}
}
try {
value = new RegExp(pattern, flags);
} catch (e) {
throwError({}, Messages.InvalidRegExp);
}
peek();
if (extra.tokenize) {
return {
type: Token.RegularExpression,
value: value,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
return {
literal: str,
value: value,
range: [start, index]
};
}
function isIdentifierName(token) {
return token.type === Token.Identifier ||
token.type === Token.Keyword ||
token.type === Token.BooleanLiteral ||
token.type === Token.NullLiteral;
}
function advanceSlash() {
var prevToken,
checkToken;
// Using the following algorithm:
// https://github.com/mozilla/sweet.js/wiki/design
prevToken = extra.tokens[extra.tokens.length - 1];
if (!prevToken) {
// Nothing before that: it cannot be a division.
return scanRegExp();
}
if (prevToken.type === 'Punctuator') {
if (prevToken.value === ')') {
checkToken = extra.tokens[extra.openParenToken - 1];
if (checkToken &&
checkToken.type === 'Keyword' &&
(checkToken.value === 'if' ||
checkToken.value === 'while' ||
checkToken.value === 'for' ||
checkToken.value === 'with')) {
return scanRegExp();
}
return scanPunctuator();
}
if (prevToken.value === '}') {
// Dividing a function by anything makes little sense,
// but we have to check for that.
if (extra.tokens[extra.openCurlyToken - 3] &&
extra.tokens[extra.openCurlyToken - 3].type === 'Keyword') {
// Anonymous function.
checkToken = extra.tokens[extra.openCurlyToken - 4];
if (!checkToken) {
return scanPunctuator();
}
} else if (extra.tokens[extra.openCurlyToken - 4] &&
extra.tokens[extra.openCurlyToken - 4].type === 'Keyword') {
// Named function.
checkToken = extra.tokens[extra.openCurlyToken - 5];
if (!checkToken) {
return scanRegExp();
}
} else {
return scanPunctuator();
}
// checkToken determines whether the function is
// a declaration or an expression.
if (FnExprTokens.indexOf(checkToken.value) >= 0) {
// It is an expression.
return scanPunctuator();
}
// It is a declaration.
return scanRegExp();
}
return scanRegExp();
}
if (prevToken.type === 'Keyword') {
return scanRegExp();
}
return scanPunctuator();
}
function advance() {
var ch;
if (!state.inXJSChild) {
skipComment();
}
if (index >= length) {
return {
type: Token.EOF,
lineNumber: lineNumber,
lineStart: lineStart,
range: [index, index]
};
}
if (state.inXJSChild) {
return advanceXJSChild();
}
ch = source.charCodeAt(index);
// Very common: ( and ) and ;
if (ch === 40 || ch === 41 || ch === 58) {
return scanPunctuator();
}
// String literal starts with single quote (#39) or double quote (#34).
if (ch === 39 || ch === 34) {
if (state.inXJSTag) {
return scanXJSStringLiteral();
}
return scanStringLiteral();
}
if (state.inXJSTag && isXJSIdentifierStart(ch)) {
return scanXJSIdentifier();
}
if (ch === 96) {
return scanTemplate();
}
if (isIdentifierStart(ch)) {
return scanIdentifier();
}
// Dot (.) char #46 can also start a floating-point number, hence the need
// to check the next character.
if (ch === 46) {
if (isDecimalDigit(source.charCodeAt(index + 1))) {
return scanNumericLiteral();
}
return scanPunctuator();
}
if (isDecimalDigit(ch)) {
return scanNumericLiteral();
}
// Slash (/) char #47 can also start a regex.
if (extra.tokenize && ch === 47) {
return advanceSlash();
}
return scanPunctuator();
}
function lex() {
var token;
token = lookahead;
index = token.range[1];
lineNumber = token.lineNumber;
lineStart = token.lineStart;
lookahead = advance();
index = token.range[1];
lineNumber = token.lineNumber;
lineStart = token.lineStart;
return token;
}
function peek() {
var pos, line, start;
pos = index;
line = lineNumber;
start = lineStart;
lookahead = advance();
index = pos;
lineNumber = line;
lineStart = start;
}
function lookahead2() {
var adv, pos, line, start, result;
// If we are collecting the tokens, don't grab the next one yet.
adv = (typeof extra.advance === 'function') ? extra.advance : advance;
pos = index;
line = lineNumber;
start = lineStart;
// Scan for the next immediate token.
if (lookahead === null) {
lookahead = adv();
}
index = lookahead.range[1];
lineNumber = lookahead.lineNumber;
lineStart = lookahead.lineStart;
// Grab the token right after.
result = adv();
index = pos;
lineNumber = line;
lineStart = start;
return result;
}
function markerCreate() {
if (!extra.loc && !extra.range) {
return undefined;
}
skipComment();
return {offset: index, line: lineNumber, col: index - lineStart};
}
function markerCreatePreserveWhitespace() {
if (!extra.loc && !extra.range) {
return undefined;
}
return {offset: index, line: lineNumber, col: index - lineStart};
}
function markerApply(marker, node) {
if (extra.range) {
node.range = [marker.offset, index];
}
if (extra.loc) {
node.loc = {
start: {
line: marker.line,
column: marker.col
},
end: {
line: lineNumber,
column: index - lineStart
}
};
node = delegate.postProcess(node);
}
return node;
}
SyntaxTreeDelegate = {
name: 'SyntaxTree',
postProcess: function (node) {
return node;
},
createArrayExpression: function (elements) {
return {
type: Syntax.ArrayExpression,
elements: elements
};
},
createAssignmentExpression: function (operator, left, right) {
return {
type: Syntax.AssignmentExpression,
operator: operator,
left: left,
right: right
};
},
createBinaryExpression: function (operator, left, right) {
var type = (operator === '||' || operator === '&&') ? Syntax.LogicalExpression :
Syntax.BinaryExpression;
return {
type: type,
operator: operator,
left: left,
right: right
};
},
createBlockStatement: function (body) {
return {
type: Syntax.BlockStatement,
body: body
};
},
createBreakStatement: function (label) {
return {
type: Syntax.BreakStatement,
label: label
};
},
createCallExpression: function (callee, args) {
return {
type: Syntax.CallExpression,
callee: callee,
'arguments': args
};
},
createCatchClause: function (param, body) {
return {
type: Syntax.CatchClause,
param: param,
body: body
};
},
createConditionalExpression: function (test, consequent, alternate) {
return {
type: Syntax.ConditionalExpression,
test: test,
consequent: consequent,
alternate: alternate
};
},
createContinueStatement: function (label) {
return {
type: Syntax.ContinueStatement,
label: label
};
},
createDebuggerStatement: function () {
return {
type: Syntax.DebuggerStatement
};
},
createDoWhileStatement: function (body, test) {
return {
type: Syntax.DoWhileStatement,
body: body,
test: test
};
},
createEmptyStatement: function () {
return {
type: Syntax.EmptyStatement
};
},
createExpressionStatement: function (expression) {
return {
type: Syntax.ExpressionStatement,
expression: expression
};
},
createForStatement: function (init, test, update, body) {
return {
type: Syntax.ForStatement,
init: init,
test: test,
update: update,
body: body
};
},
createForInStatement: function (left, right, body) {
return {
type: Syntax.ForInStatement,
left: left,
right: right,
body: body,
each: false
};
},
createForOfStatement: function (left, right, body) {
return {
type: Syntax.ForOfStatement,
left: left,
right: right,
body: body
};
},
createFunctionDeclaration: function (id, params, defaults, body, rest, generator, expression,
returnType, parametricType) {
return {
type: Syntax.FunctionDeclaration,
id: id,
params: params,
defaults: defaults,
body: body,
rest: rest,
generator: generator,
expression: expression,
returnType: returnType,
parametricType: parametricType
};
},
createFunctionExpression: function (id, params, defaults, body, rest, generator, expression,
returnType, parametricType) {
return {
type: Syntax.FunctionExpression,
id: id,
params: params,
defaults: defaults,
body: body,
rest: rest,
generator: generator,
expression: expression,
returnType: returnType,
parametricType: parametricType
};
},
createIdentifier: function (name) {
return {
type: Syntax.Identifier,
name: name,
// Only here to initialize the shape of the object to ensure
// that the 'typeAnnotation' key is ordered before others that
// are added later (like 'loc' and 'range'). This just helps
// keep the shape of Identifier nodes consistent with everything
// else.
typeAnnotation: undefined
};
},
createTypeAnnotation: function (typeIdentifier, parametricType, params, returnType, nullable) {
return {
type: Syntax.TypeAnnotation,
id: typeIdentifier,
parametricType: parametricType,
params: params,
returnType: returnType,
nullable: nullable
};
},
createParametricTypeAnnotation: function (parametricTypes) {
return {
type: Syntax.ParametricTypeAnnotation,
params: parametricTypes
};
},
createVoidTypeAnnotation: function () {
return {
type: Syntax.VoidTypeAnnotation
};
},
createObjectTypeAnnotation: function (properties) {
return {
type: Syntax.ObjectTypeAnnotation,
properties: properties
};
},
createTypeAnnotatedIdentifier: function (identifier, annotation, isOptionalParam) {
return {
type: Syntax.TypeAnnotatedIdentifier,
id: identifier,
annotation: annotation
};
},
createOptionalParameter: function (identifier) {
return {
type: Syntax.OptionalParameter,
id: identifier
};
},
createXJSAttribute: function (name, value) {
return {
type: Syntax.XJSAttribute,
name: name,
value: value
};
},
createXJSSpreadAttribute: function (argument) {
return {
type: Syntax.XJSSpreadAttribute,
argument: argument
};
},
createXJSIdentifier: function (name) {
return {
type: Syntax.XJSIdentifier,
name: name
};
},
createXJSNamespacedName: function (namespace, name) {
return {
type: Syntax.XJSNamespacedName,
namespace: namespace,
name: name
};
},
createXJSMemberExpression: function (object, property) {
return {
type: Syntax.XJSMemberExpression,
object: object,
property: property
};
},
createXJSElement: function (openingElement, closingElement, children) {
return {
type: Syntax.XJSElement,
openingElement: openingElement,
closingElement: closingElement,
children: children
};
},
createXJSEmptyExpression: function () {
return {
type: Syntax.XJSEmptyExpression
};
},
createXJSExpressionContainer: function (expression) {
return {
type: Syntax.XJSExpressionContainer,
expression: expression
};
},
createXJSOpeningElement: function (name, attributes, selfClosing) {
return {
type: Syntax.XJSOpeningElement,
name: name,
selfClosing: selfClosing,
attributes: attributes
};
},
createXJSClosingElement: function (name) {
return {
type: Syntax.XJSClosingElement,
name: name
};
},
createIfStatement: function (test, consequent, alternate) {
return {
type: Syntax.IfStatement,
test: test,
consequent: consequent,
alternate: alternate
};
},
createLabeledStatement: function (label, body) {
return {
type: Syntax.LabeledStatement,
label: label,
body: body
};
},
createLiteral: function (token) {
return {
type: Syntax.Literal,
value: token.value,
raw: source.slice(token.range[0], token.range[1])
};
},
createMemberExpression: function (accessor, object, property) {
return {
type: Syntax.MemberExpression,
computed: accessor === '[',
object: object,
property: property
};
},
createNewExpression: function (callee, args) {
return {
type: Syntax.NewExpression,
callee: callee,
'arguments': args
};
},
createObjectExpression: function (properties) {
return {
type: Syntax.ObjectExpression,
properties: properties
};
},
createPostfixExpression: function (operator, argument) {
return {
type: Syntax.UpdateExpression,
operator: operator,
argument: argument,
prefix: false
};
},
createProgram: function (body) {
return {
type: Syntax.Program,
body: body
};
},
createProperty: function (kind, key, value, method, shorthand, computed) {
return {
type: Syntax.Property,
key: key,
value: value,
kind: kind,
method: method,
shorthand: shorthand,
computed: computed
};
},
createReturnStatement: function (argument) {
return {
type: Syntax.ReturnStatement,
argument: argument
};
},
createSequenceExpression: function (expressions) {
return {
type: Syntax.SequenceExpression,
expressions: expressions
};
},
createSwitchCase: function (test, consequent) {
return {
type: Syntax.SwitchCase,
test: test,
consequent: consequent
};
},
createSwitchStatement: function (discriminant, cases) {
return {
type: Syntax.SwitchStatement,
discriminant: discriminant,
cases: cases
};
},
createThisExpression: function () {
return {
type: Syntax.ThisExpression
};
},
createThrowStatement: function (argument) {
return {
type: Syntax.ThrowStatement,
argument: argument
};
},
createTryStatement: function (block, guardedHandlers, handlers, finalizer) {
return {
type: Syntax.TryStatement,
block: block,
guardedHandlers: guardedHandlers,
handlers: handlers,
finalizer: finalizer
};
},
createUnaryExpression: function (operator, argument) {
if (operator === '++' || operator === '--') {
return {
type: Syntax.UpdateExpression,
operator: operator,
argument: argument,
prefix: true
};
}
return {
type: Syntax.UnaryExpression,
operator: operator,
argument: argument,
prefix: true
};
},
createVariableDeclaration: function (declarations, kind) {
return {
type: Syntax.VariableDeclaration,
declarations: declarations,
kind: kind
};
},
createVariableDeclarator: function (id, init) {
return {
type: Syntax.VariableDeclarator,
id: id,
init: init
};
},
createWhileStatement: function (test, body) {
return {
type: Syntax.WhileStatement,
test: test,
body: body
};
},
createWithStatement: function (object, body) {
return {
type: Syntax.WithStatement,
object: object,
body: body
};
},
createTemplateElement: function (value, tail) {
return {
type: Syntax.TemplateElement,
value: value,
tail: tail
};
},
createTemplateLiteral: function (quasis, expressions) {
return {
type: Syntax.TemplateLiteral,
quasis: quasis,
expressions: expressions
};
},
createSpreadElement: function (argument) {
return {
type: Syntax.SpreadElement,
argument: argument
};
},
createSpreadProperty: function (argument) {
return {
type: Syntax.SpreadProperty,
argument: argument
};
},
createTaggedTemplateExpression: function (tag, quasi) {
return {
type: Syntax.TaggedTemplateExpression,
tag: tag,
quasi: quasi
};
},
createArrowFunctionExpression: function (params, defaults, body, rest, expression) {
return {
type: Syntax.ArrowFunctionExpression,
id: null,
params: params,
defaults: defaults,
body: body,
rest: rest,
generator: false,
expression: expression
};
},
createMethodDefinition: function (propertyType, kind, key, value) {
return {
type: Syntax.MethodDefinition,
key: key,
value: value,
kind: kind,
'static': propertyType === ClassPropertyType["static"]
};
},
createClassProperty: function (propertyIdentifier) {
return {
type: Syntax.ClassProperty,
id: propertyIdentifier
};
},
createClassBody: function (body) {
return {
type: Syntax.ClassBody,
body: body
};
},
createClassExpression: function (id, superClass, body, parametricType) {
return {
type: Syntax.ClassExpression,
id: id,
superClass: superClass,
body: body,
parametricType: parametricType
};
},
createClassDeclaration: function (id, superClass, body, parametricType, superParametricType) {
return {
type: Syntax.ClassDeclaration,
id: id,
superClass: superClass,
body: body,
parametricType: parametricType,
superParametricType: superParametricType
};
},
createExportSpecifier: function (id, name) {
return {
type: Syntax.ExportSpecifier,
id: id,
name: name
};
},
createExportBatchSpecifier: function () {
return {
type: Syntax.ExportBatchSpecifier
};
},
createExportDeclaration: function (declaration, specifiers, source) {
return {
type: Syntax.ExportDeclaration,
declaration: declaration,
specifiers: specifiers,
source: source
};
},
createImportSpecifier: function (id, name) {
return {
type: Syntax.ImportSpecifier,
id: id,
name: name
};
},
createImportDeclaration: function (specifiers, kind, source) {
return {
type: Syntax.ImportDeclaration,
specifiers: specifiers,
kind: kind,
source: source
};
},
createYieldExpression: function (argument, delegate) {
return {
type: Syntax.YieldExpression,
argument: argument,
delegate: delegate
};
},
createModuleDeclaration: function (id, source, body) {
return {
type: Syntax.ModuleDeclaration,
id: id,
source: source,
body: body
};
},
createComprehensionExpression: function (filter, blocks, body) {
return {
type: Syntax.ComprehensionExpression,
filter: filter,
blocks: blocks,
body: body
};
}
};
// Return true if there is a line terminator before the next token.
function peekLineTerminator() {
var pos, line, start, found;
pos = index;
line = lineNumber;
start = lineStart;
skipComment();
found = lineNumber !== line;
index = pos;
lineNumber = line;
lineStart = start;
return found;
}
// Throw an exception
function throwError(token, messageFormat) {
var error,
args = Array.prototype.slice.call(arguments, 2),
msg = messageFormat.replace(
/%(\d)/g,
function (whole, index) {
assert(index < args.length, 'Message reference must be in range');
return args[index];
}
);
if (typeof token.lineNumber === 'number') {
error = new Error('Line ' + token.lineNumber + ': ' + msg);
error.index = token.range[0];
error.lineNumber = token.lineNumber;
error.column = token.range[0] - lineStart + 1;
} else {
error = new Error('Line ' + lineNumber + ': ' + msg);
error.index = index;
error.lineNumber = lineNumber;
error.column = index - lineStart + 1;
}
error.description = msg;
throw error;
}
function throwErrorTolerant() {
try {
throwError.apply(null, arguments);
} catch (e) {
if (extra.errors) {
extra.errors.push(e);
} else {
throw e;
}
}
}
// Throw an exception because of the token.
function throwUnexpected(token) {
if (token.type === Token.EOF) {
throwError(token, Messages.UnexpectedEOS);
}
if (token.type === Token.NumericLiteral) {
throwError(token, Messages.UnexpectedNumber);
}
if (token.type === Token.StringLiteral || token.type === Token.XJSText) {
throwError(token, Messages.UnexpectedString);
}
if (token.type === Token.Identifier) {
throwError(token, Messages.UnexpectedIdentifier);
}
if (token.type === Token.Keyword) {
if (isFutureReservedWord(token.value)) {
throwError(token, Messages.UnexpectedReserved);
} else if (strict && isStrictModeReservedWord(token.value)) {
throwErrorTolerant(token, Messages.StrictReservedWord);
return;
}
throwError(token, Messages.UnexpectedToken, token.value);
}
if (token.type === Token.Template) {
throwError(token, Messages.UnexpectedTemplate, token.value.raw);
}
// BooleanLiteral, NullLiteral, or Punctuator.
throwError(token, Messages.UnexpectedToken, token.value);
}
// Expect the next token to match the specified punctuator.
// If not, an exception will be thrown.
function expect(value) {
var token = lex();
if (token.type !== Token.Punctuator || token.value !== value) {
throwUnexpected(token);
}
}
// Expect the next token to match the specified keyword.
// If not, an exception will be thrown.
function expectKeyword(keyword) {
var token = lex();
if (token.type !== Token.Keyword || token.value !== keyword) {
throwUnexpected(token);
}
}
// Return true if the next token matches the specified punctuator.
function match(value) {
return lookahead.type === Token.Punctuator && lookahead.value === value;
}
// Return true if the next token matches the specified keyword
function matchKeyword(keyword) {
return lookahead.type === Token.Keyword && lookahead.value === keyword;
}
// Return true if the next token matches the specified contextual keyword
function matchContextualKeyword(keyword) {
return lookahead.type === Token.Identifier && lookahead.value === keyword;
}
// Return true if the next token is an assignment operator
function matchAssign() {
var op;
if (lookahead.type !== Token.Punctuator) {
return false;
}
op = lookahead.value;
return op === '=' ||
op === '*=' ||
op === '/=' ||
op === '%=' ||
op === '+=' ||
op === '-=' ||
op === '<<=' ||
op === '>>=' ||
op === '>>>=' ||
op === '&=' ||
op === '^=' ||
op === '|=';
}
function consumeSemicolon() {
var line;
// Catch the very common case first: immediately a semicolon (char #59).
if (source.charCodeAt(index) === 59) {
lex();
return;
}
line = lineNumber;
skipComment();
if (lineNumber !== line) {
return;
}
if (match(';')) {
lex();
return;
}
if (lookahead.type !== Token.EOF && !match('}')) {
throwUnexpected(lookahead);
}
}
// Return true if provided expression is LeftHandSideExpression
function isLeftHandSide(expr) {
return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression;
}
function isAssignableLeftHandSide(expr) {
return isLeftHandSide(expr) || expr.type === Syntax.ObjectPattern || expr.type === Syntax.ArrayPattern;
}
// 11.1.4 Array Initialiser
function parseArrayInitialiser() {
var elements = [], blocks = [], filter = null, tmp, possiblecomprehension = true, body,
marker = markerCreate();
expect('[');
while (!match(']')) {
if (lookahead.value === 'for' &&
lookahead.type === Token.Keyword) {
if (!possiblecomprehension) {
throwError({}, Messages.ComprehensionError);
}
matchKeyword('for');
tmp = parseForStatement({ignoreBody: true});
tmp.of = tmp.type === Syntax.ForOfStatement;
tmp.type = Syntax.ComprehensionBlock;
if (tmp.left.kind) { // can't be let or const
throwError({}, Messages.ComprehensionError);
}
blocks.push(tmp);
} else if (lookahead.value === 'if' &&
lookahead.type === Token.Keyword) {
if (!possiblecomprehension) {
throwError({}, Messages.ComprehensionError);
}
expectKeyword('if');
expect('(');
filter = parseExpression();
expect(')');
} else if (lookahead.value === ',' &&
lookahead.type === Token.Punctuator) {
possiblecomprehension = false; // no longer allowed.
lex();
elements.push(null);
} else {
tmp = parseSpreadOrAssignmentExpression();
elements.push(tmp);
if (tmp && tmp.type === Syntax.SpreadElement) {
if (!match(']')) {
throwError({}, Messages.ElementAfterSpreadElement);
}
} else if (!(match(']') || matchKeyword('for') || matchKeyword('if'))) {
expect(','); // this lexes.
possiblecomprehension = false;
}
}
}
expect(']');
if (filter && !blocks.length) {
throwError({}, Messages.ComprehensionRequiresBlock);
}
if (blocks.length) {
if (elements.length !== 1) {
throwError({}, Messages.ComprehensionError);
}
return markerApply(marker, delegate.createComprehensionExpression(filter, blocks, elements[0]));
}
return markerApply(marker, delegate.createArrayExpression(elements));
}
// 11.1.5 Object Initialiser
function parsePropertyFunction(options) {
var previousStrict, previousYieldAllowed, params, defaults, body,
marker = markerCreate();
previousStrict = strict;
previousYieldAllowed = state.yieldAllowed;
state.yieldAllowed = options.generator;
params = options.params || [];
defaults = options.defaults || [];
body = parseConciseBody();
if (options.name && strict && isRestrictedWord(params[0].name)) {
throwErrorTolerant(options.name, Messages.StrictParamName);
}
strict = previousStrict;
state.yieldAllowed = previousYieldAllowed;
return markerApply(marker, delegate.createFunctionExpression(
null,
params,
defaults,
body,
options.rest || null,
options.generator,
body.type !== Syntax.BlockStatement,
options.returnType,
options.parametricType
));
}
function parsePropertyMethodFunction(options) {
var previousStrict, tmp, method;
previousStrict = strict;
strict = true;
tmp = parseParams();
if (tmp.stricted) {
throwErrorTolerant(tmp.stricted, tmp.message);
}
method = parsePropertyFunction({
params: tmp.params,
defaults: tmp.defaults,
rest: tmp.rest,
generator: options.generator,
returnType: tmp.returnType,
parametricType: options.parametricType
});
strict = previousStrict;
return method;
}
function parseObjectPropertyKey() {
var marker = markerCreate(),
token = lex(),
propertyKey,
result;
// Note: This function is called only from parseObjectProperty(), where
// EOF and Punctuator tokens are already filtered out.
if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) {
if (strict && token.octal) {
throwErrorTolerant(token, Messages.StrictOctalLiteral);
}
return markerApply(marker, delegate.createLiteral(token));
}
if (token.type === Token.Punctuator && token.value === '[') {
// For computed properties we should skip the [ and ], and
// capture in marker only the assignment expression itself.
marker = markerCreate();
propertyKey = parseAssignmentExpression();
result = markerApply(marker, propertyKey);
expect(']');
return result;
}
return markerApply(marker, delegate.createIdentifier(token.value));
}
function parseObjectProperty() {
var token, key, id, value, param, expr, computed,
marker = markerCreate();
token = lookahead;
computed = (token.value === '[');
if (token.type === Token.Identifier || computed) {
id = parseObjectPropertyKey();
// Property Assignment: Getter and Setter.
if (token.value === 'get' && !(match(':') || match('('))) {
computed = (lookahead.value === '[');
key = parseObjectPropertyKey();
expect('(');
expect(')');
return markerApply(marker, delegate.createProperty('get', key, parsePropertyFunction({ generator: false }), false, false, computed));
}
if (token.value === 'set' && !(match(':') || match('('))) {
computed = (lookahead.value === '[');
key = parseObjectPropertyKey();
expect('(');
token = lookahead;
param = [ parseTypeAnnotatableIdentifier() ];
expect(')');
return markerApply(marker, delegate.createProperty('set', key, parsePropertyFunction({ params: param, generator: false, name: token }), false, false, computed));
}
if (match(':')) {
lex();
return markerApply(marker, delegate.createProperty('init', id, parseAssignmentExpression(), false, false, computed));
}
if (match('(')) {
return markerApply(marker, delegate.createProperty('init', id, parsePropertyMethodFunction({ generator: false }), true, false, computed));
}
if (computed) {
// Computed properties can only be used with full notation.
throwUnexpected(lookahead);
}
return markerApply(marker, delegate.createProperty('init', id, id, false, true, false));
}
if (token.type === Token.EOF || token.type === Token.Punctuator) {
if (!match('*')) {
throwUnexpected(token);
}
lex();
computed = (lookahead.type === Token.Punctuator && lookahead.value === '[');
id = parseObjectPropertyKey();
if (!match('(')) {
throwUnexpected(lex());
}
return markerApply(marker, delegate.createProperty('init', id, parsePropertyMethodFunction({ generator: true }), true, false, computed));
}
key = parseObjectPropertyKey();
if (match(':')) {
lex();
return markerApply(marker, delegate.createProperty('init', key, parseAssignmentExpression(), false, false, false));
}
if (match('(')) {
return markerApply(marker, delegate.createProperty('init', key, parsePropertyMethodFunction({ generator: false }), true, false, false));
}
throwUnexpected(lex());
}
function parseObjectSpreadProperty() {
var marker = markerCreate();
expect('...');
return markerApply(marker, delegate.createSpreadProperty(parseAssignmentExpression()));
}
function parseObjectInitialiser() {
var properties = [], property, name, key, kind, map = {}, toString = String,
marker = markerCreate();
expect('{');
while (!match('}')) {
if (match('...')) {
property = parseObjectSpreadProperty();
} else {
property = parseObjectProperty();
if (property.key.type === Syntax.Identifier) {
name = property.key.name;
} else {
name = toString(property.key.value);
}
kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set;
key = '$' + name;
if (Object.prototype.hasOwnProperty.call(map, key)) {
if (map[key] === PropertyKind.Data) {
if (strict && kind === PropertyKind.Data) {
throwErrorTolerant({}, Messages.StrictDuplicateProperty);
} else if (kind !== PropertyKind.Data) {
throwErrorTolerant({}, Messages.AccessorDataProperty);
}
} else {
if (kind === PropertyKind.Data) {
throwErrorTolerant({}, Messages.AccessorDataProperty);
} else if (map[key] & kind) {
throwErrorTolerant({}, Messages.AccessorGetSet);
}
}
map[key] |= kind;
} else {
map[key] = kind;
}
}
properties.push(property);
if (!match('}')) {
expect(',');
}
}
expect('}');
return markerApply(marker, delegate.createObjectExpression(properties));
}
function parseTemplateElement(option) {
var marker = markerCreate(),
token = scanTemplateElement(option);
if (strict && token.octal) {
throwError(token, Messages.StrictOctalLiteral);
}
return markerApply(marker, delegate.createTemplateElement({ raw: token.value.raw, cooked: token.value.cooked }, token.tail));
}
function parseTemplateLiteral() {
var quasi, quasis, expressions, marker = markerCreate();
quasi = parseTemplateElement({ head: true });
quasis = [ quasi ];
expressions = [];
while (!quasi.tail) {
expressions.push(parseExpression());
quasi = parseTemplateElement({ head: false });
quasis.push(quasi);
}
return markerApply(marker, delegate.createTemplateLiteral(quasis, expressions));
}
// 11.1.6 The Grouping Operator
function parseGroupExpression() {
var expr;
expect('(');
++state.parenthesizedCount;
expr = parseExpression();
expect(')');
return expr;
}
// 11.1 Primary Expressions
function parsePrimaryExpression() {
var marker, type, token, expr;
type = lookahead.type;
if (type === Token.Identifier) {
marker = markerCreate();
return markerApply(marker, delegate.createIdentifier(lex().value));
}
if (type === Token.StringLiteral || type === Token.NumericLiteral) {
if (strict && lookahead.octal) {
throwErrorTolerant(lookahead, Messages.StrictOctalLiteral);
}
marker = markerCreate();
return markerApply(marker, delegate.createLiteral(lex()));
}
if (type === Token.Keyword) {
if (matchKeyword('this')) {
marker = markerCreate();
lex();
return markerApply(marker, delegate.createThisExpression());
}
if (matchKeyword('function')) {
return parseFunctionExpression();
}
if (matchKeyword('class')) {
return parseClassExpression();
}
if (matchKeyword('super')) {
marker = markerCreate();
lex();
return markerApply(marker, delegate.createIdentifier('super'));
}
}
if (type === Token.BooleanLiteral) {
marker = markerCreate();
token = lex();
token.value = (token.value === 'true');
return markerApply(marker, delegate.createLiteral(token));
}
if (type === Token.NullLiteral) {
marker = markerCreate();
token = lex();
token.value = null;
return markerApply(marker, delegate.createLiteral(token));
}
if (match('[')) {
return parseArrayInitialiser();
}
if (match('{')) {
return parseObjectInitialiser();
}
if (match('(')) {
return parseGroupExpression();
}
if (match('/') || match('/=')) {
marker = markerCreate();
return markerApply(marker, delegate.createLiteral(scanRegExp()));
}
if (type === Token.Template) {
return parseTemplateLiteral();
}
if (match('<')) {
return parseXJSElement();
}
throwUnexpected(lex());
}
// 11.2 Left-Hand-Side Expressions
function parseArguments() {
var args = [], arg;
expect('(');
if (!match(')')) {
while (index < length) {
arg = parseSpreadOrAssignmentExpression();
args.push(arg);
if (match(')')) {
break;
} else if (arg.type === Syntax.SpreadElement) {
throwError({}, Messages.ElementAfterSpreadElement);
}
expect(',');
}
}
expect(')');
return args;
}
function parseSpreadOrAssignmentExpression() {
if (match('...')) {
var marker = markerCreate();
lex();
return markerApply(marker, delegate.createSpreadElement(parseAssignmentExpression()));
}
return parseAssignmentExpression();
}
function parseNonComputedProperty() {
var marker = markerCreate(),
token = lex();
if (!isIdentifierName(token)) {
throwUnexpected(token);
}
return markerApply(marker, delegate.createIdentifier(token.value));
}
function parseNonComputedMember() {
expect('.');
return parseNonComputedProperty();
}
function parseComputedMember() {
var expr;
expect('[');
expr = parseExpression();
expect(']');
return expr;
}
function parseNewExpression() {
var callee, args, marker = markerCreate();
expectKeyword('new');
callee = parseLeftHandSideExpression();
args = match('(') ? parseArguments() : [];
return markerApply(marker, delegate.createNewExpression(callee, args));
}
function parseLeftHandSideExpressionAllowCall() {
var expr, args, marker = markerCreate();
expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
while (match('.') || match('[') || match('(') || lookahead.type === Token.Template) {
if (match('(')) {
args = parseArguments();
expr = markerApply(marker, delegate.createCallExpression(expr, args));
} else if (match('[')) {
expr = markerApply(marker, delegate.createMemberExpression('[', expr, parseComputedMember()));
} else if (match('.')) {
expr = markerApply(marker, delegate.createMemberExpression('.', expr, parseNonComputedMember()));
} else {
expr = markerApply(marker, delegate.createTaggedTemplateExpression(expr, parseTemplateLiteral()));
}
}
return expr;
}
function parseLeftHandSideExpression() {
var expr, marker = markerCreate();
expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
while (match('.') || match('[') || lookahead.type === Token.Template) {
if (match('[')) {
expr = markerApply(marker, delegate.createMemberExpression('[', expr, parseComputedMember()));
} else if (match('.')) {
expr = markerApply(marker, delegate.createMemberExpression('.', expr, parseNonComputedMember()));
} else {
expr = markerApply(marker, delegate.createTaggedTemplateExpression(expr, parseTemplateLiteral()));
}
}
return expr;
}
// 11.3 Postfix Expressions
function parsePostfixExpression() {
var marker = markerCreate(),
expr = parseLeftHandSideExpressionAllowCall(),
token;
if (lookahead.type !== Token.Punctuator) {
return expr;
}
if ((match('++') || match('--')) && !peekLineTerminator()) {
// 11.3.1, 11.3.2
if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
throwErrorTolerant({}, Messages.StrictLHSPostfix);
}
if (!isLeftHandSide(expr)) {
throwError({}, Messages.InvalidLHSInAssignment);
}
token = lex();
expr = markerApply(marker, delegate.createPostfixExpression(token.value, expr));
}
return expr;
}
// 11.4 Unary Operators
function parseUnaryExpression() {
var marker, token, expr;
if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
return parsePostfixExpression();
}
if (match('++') || match('--')) {
marker = markerCreate();
token = lex();
expr = parseUnaryExpression();
// 11.4.4, 11.4.5
if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
throwErrorTolerant({}, Messages.StrictLHSPrefix);
}
if (!isLeftHandSide(expr)) {
throwError({}, Messages.InvalidLHSInAssignment);
}
return markerApply(marker, delegate.createUnaryExpression(token.value, expr));
}
if (match('+') || match('-') || match('~') || match('!')) {
marker = markerCreate();
token = lex();
expr = parseUnaryExpression();
return markerApply(marker, delegate.createUnaryExpression(token.value, expr));
}
if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
marker = markerCreate();
token = lex();
expr = parseUnaryExpression();
expr = markerApply(marker, delegate.createUnaryExpression(token.value, expr));
if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
throwErrorTolerant({}, Messages.StrictDelete);
}
return expr;
}
return parsePostfixExpression();
}
function binaryPrecedence(token, allowIn) {
var prec = 0;
if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
return 0;
}
switch (token.value) {
case '||':
prec = 1;
break;
case '&&':
prec = 2;
break;
case '|':
prec = 3;
break;
case '^':
prec = 4;
break;
case '&':
prec = 5;
break;
case '==':
case '!=':
case '===':
case '!==':
prec = 6;
break;
case '<':
case '>':
case '<=':
case '>=':
case 'instanceof':
prec = 7;
break;
case 'in':
prec = allowIn ? 7 : 0;
break;
case '<<':
case '>>':
case '>>>':
prec = 8;
break;
case '+':
case '-':
prec = 9;
break;
case '*':
case '/':
case '%':
prec = 11;
break;
default:
break;
}
return prec;
}
// 11.5 Multiplicative Operators
// 11.6 Additive Operators
// 11.7 Bitwise Shift Operators
// 11.8 Relational Operators
// 11.9 Equality Operators
// 11.10 Binary Bitwise Operators
// 11.11 Binary Logical Operators
function parseBinaryExpression() {
var expr, token, prec, previousAllowIn, stack, right, operator, left, i,
marker, markers;
previousAllowIn = state.allowIn;
state.allowIn = true;
marker = markerCreate();
left = parseUnaryExpression();
token = lookahead;
prec = binaryPrecedence(token, previousAllowIn);
if (prec === 0) {
return left;
}
token.prec = prec;
lex();
markers = [marker, markerCreate()];
right = parseUnaryExpression();
stack = [left, token, right];
while ((prec = binaryPrecedence(lookahead, previousAllowIn)) > 0) {
// Reduce: make a binary expression from the three topmost entries.
while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
right = stack.pop();
operator = stack.pop().value;
left = stack.pop();
expr = delegate.createBinaryExpression(operator, left, right);
markers.pop();
marker = markers.pop();
markerApply(marker, expr);
stack.push(expr);
markers.push(marker);
}
// Shift.
token = lex();
token.prec = prec;
stack.push(token);
markers.push(markerCreate());
expr = parseUnaryExpression();
stack.push(expr);
}
state.allowIn = previousAllowIn;
// Final reduce to clean-up the stack.
i = stack.length - 1;
expr = stack[i];
markers.pop();
while (i > 1) {
expr = delegate.createBinaryExpression(stack[i - 1].value, stack[i - 2], expr);
i -= 2;
marker = markers.pop();
markerApply(marker, expr);
}
return expr;
}
// 11.12 Conditional Operator
function parseConditionalExpression() {
var expr, previousAllowIn, consequent, alternate, marker = markerCreate();
expr = parseBinaryExpression();
if (match('?')) {
lex();
previousAllowIn = state.allowIn;
state.allowIn = true;
consequent = parseAssignmentExpression();
state.allowIn = previousAllowIn;
expect(':');
alternate = parseAssignmentExpression();
expr = markerApply(marker, delegate.createConditionalExpression(expr, consequent, alternate));
}
return expr;
}
// 11.13 Assignment Operators
function reinterpretAsAssignmentBindingPattern(expr) {
var i, len, property, element;
if (expr.type === Syntax.ObjectExpression) {
expr.type = Syntax.ObjectPattern;
for (i = 0, len = expr.properties.length; i < len; i += 1) {
property = expr.properties[i];
if (property.type === Syntax.SpreadProperty) {
if (i < len - 1) {
throwError({}, Messages.PropertyAfterSpreadProperty);
}
reinterpretAsAssignmentBindingPattern(property.argument);
} else {
if (property.kind !== 'init') {
throwError({}, Messages.InvalidLHSInAssignment);
}
reinterpretAsAssignmentBindingPattern(property.value);
}
}
} else if (expr.type === Syntax.ArrayExpression) {
expr.type = Syntax.ArrayPattern;
for (i = 0, len = expr.elements.length; i < len; i += 1) {
element = expr.elements[i];
if (element) {
reinterpretAsAssignmentBindingPattern(element);
}
}
} else if (expr.type === Syntax.Identifier) {
if (isRestrictedWord(expr.name)) {
throwError({}, Messages.InvalidLHSInAssignment);
}
} else if (expr.type === Syntax.SpreadElement) {
reinterpretAsAssignmentBindingPattern(expr.argument);
if (expr.argument.type === Syntax.ObjectPattern) {
throwError({}, Messages.ObjectPatternAsSpread);
}
} else {
if (expr.type !== Syntax.MemberExpression && expr.type !== Syntax.CallExpression && expr.type !== Syntax.NewExpression) {
throwError({}, Messages.InvalidLHSInAssignment);
}
}
}
function reinterpretAsDestructuredParameter(options, expr) {
var i, len, property, element;
if (expr.type === Syntax.ObjectExpression) {
expr.type = Syntax.ObjectPattern;
for (i = 0, len = expr.properties.length; i < len; i += 1) {
property = expr.properties[i];
if (property.type === Syntax.SpreadProperty) {
if (i < len - 1) {
throwError({}, Messages.PropertyAfterSpreadProperty);
}
reinterpretAsDestructuredParameter(options, property.argument);
} else {
if (property.kind !== 'init') {
throwError({}, Messages.InvalidLHSInFormalsList);
}
reinterpretAsDestructuredParameter(options, property.value);
}
}
} else if (expr.type === Syntax.ArrayExpression) {
expr.type = Syntax.ArrayPattern;
for (i = 0, len = expr.elements.length; i < len; i += 1) {
element = expr.elements[i];
if (element) {
reinterpretAsDestructuredParameter(options, element);
}
}
} else if (expr.type === Syntax.Identifier) {
validateParam(options, expr, expr.name);
} else {
if (expr.type !== Syntax.MemberExpression) {
throwError({}, Messages.InvalidLHSInFormalsList);
}
}
}
function reinterpretAsCoverFormalsList(expressions) {
var i, len, param, params, defaults, defaultCount, options, rest;
params = [];
defaults = [];
defaultCount = 0;
rest = null;
options = {
paramSet: {}
};
for (i = 0, len = expressions.length; i < len; i += 1) {
param = expressions[i];
if (param.type === Syntax.Identifier) {
params.push(param);
defaults.push(null);
validateParam(options, param, param.name);
} else if (param.type === Syntax.ObjectExpression || param.type === Syntax.ArrayExpression) {
reinterpretAsDestructuredParameter(options, param);
params.push(param);
defaults.push(null);
} else if (param.type === Syntax.SpreadElement) {
assert(i === len - 1, 'It is guaranteed that SpreadElement is last element by parseExpression');
reinterpretAsDestructuredParameter(options, param.argument);
rest = param.argument;
} else if (param.type === Syntax.AssignmentExpression) {
params.push(param.left);
defaults.push(param.right);
++defaultCount;
validateParam(options, param.left, param.left.name);
} else {
return null;
}
}
if (options.message === Messages.StrictParamDupe) {
throwError(
strict ? options.stricted : options.firstRestricted,
options.message
);
}
if (defaultCount === 0) {
defaults = [];
}
return {
params: params,
defaults: defaults,
rest: rest,
stricted: options.stricted,
firstRestricted: options.firstRestricted,
message: options.message
};
}
function parseArrowFunctionExpression(options, marker) {
var previousStrict, previousYieldAllowed, body;
expect('=>');
previousStrict = strict;
previousYieldAllowed = state.yieldAllowed;
state.yieldAllowed = false;
body = parseConciseBody();
if (strict && options.firstRestricted) {
throwError(options.firstRestricted, options.message);
}
if (strict && options.stricted) {
throwErrorTolerant(options.stricted, options.message);
}
strict = previousStrict;
state.yieldAllowed = previousYieldAllowed;
return markerApply(marker, delegate.createArrowFunctionExpression(
options.params,
options.defaults,
body,
options.rest,
body.type !== Syntax.BlockStatement
));
}
function parseAssignmentExpression() {
var marker, expr, token, params, oldParenthesizedCount;
// Note that 'yield' is treated as a keyword in strict mode, but a
// contextual keyword (identifier) in non-strict mode, so we need
// to use matchKeyword and matchContextualKeyword appropriately.
if ((state.yieldAllowed && matchContextualKeyword('yield')) || (strict && matchKeyword('yield'))) {
return parseYieldExpression();
}
oldParenthesizedCount = state.parenthesizedCount;
marker = markerCreate();
if (match('(')) {
token = lookahead2();
if ((token.type === Token.Punctuator && token.value === ')') || token.value === '...') {
params = parseParams();
if (!match('=>')) {
throwUnexpected(lex());
}
return parseArrowFunctionExpression(params, marker);
}
}
token = lookahead;
expr = parseConditionalExpression();
if (match('=>') &&
(state.parenthesizedCount === oldParenthesizedCount ||
state.parenthesizedCount === (oldParenthesizedCount + 1))) {
if (expr.type === Syntax.Identifier) {
params = reinterpretAsCoverFormalsList([ expr ]);
} else if (expr.type === Syntax.SequenceExpression) {
params = reinterpretAsCoverFormalsList(expr.expressions);
}
if (params) {
return parseArrowFunctionExpression(params, marker);
}
}
if (matchAssign()) {
// 11.13.1
if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
throwErrorTolerant(token, Messages.StrictLHSAssignment);
}
// ES.next draf 11.13 Runtime Semantics step 1
if (match('=') && (expr.type === Syntax.ObjectExpression || expr.type === Syntax.ArrayExpression)) {
reinterpretAsAssignmentBindingPattern(expr);
} else if (!isLeftHandSide(expr)) {
throwError({}, Messages.InvalidLHSInAssignment);
}
expr = markerApply(marker, delegate.createAssignmentExpression(lex().value, expr, parseAssignmentExpression()));
}
return expr;
}
// 11.14 Comma Operator
function parseExpression() {
var marker, expr, expressions, sequence, coverFormalsList, spreadFound, oldParenthesizedCount;
oldParenthesizedCount = state.parenthesizedCount;
marker = markerCreate();
expr = parseAssignmentExpression();
expressions = [ expr ];
if (match(',')) {
while (index < length) {
if (!match(',')) {
break;
}
lex();
expr = parseSpreadOrAssignmentExpression();
expressions.push(expr);
if (expr.type === Syntax.SpreadElement) {
spreadFound = true;
if (!match(')')) {
throwError({}, Messages.ElementAfterSpreadElement);
}
break;
}
}
sequence = markerApply(marker, delegate.createSequenceExpression(expressions));
}
if (match('=>')) {
// Do not allow nested parentheses on the LHS of the =>.
if (state.parenthesizedCount === oldParenthesizedCount || state.parenthesizedCount === (oldParenthesizedCount + 1)) {
expr = expr.type === Syntax.SequenceExpression ? expr.expressions : expressions;
coverFormalsList = reinterpretAsCoverFormalsList(expr);
if (coverFormalsList) {
return parseArrowFunctionExpression(coverFormalsList, marker);
}
}
throwUnexpected(lex());
}
if (spreadFound && lookahead2().value !== '=>') {
throwError({}, Messages.IllegalSpread);
}
return sequence || expr;
}
// 12.1 Block
function parseStatementList() {
var list = [],
statement;
while (index < length) {
if (match('}')) {
break;
}
statement = parseSourceElement();
if (typeof statement === 'undefined') {
break;
}
list.push(statement);
}
return list;
}
function parseBlock() {
var block, marker = markerCreate();
expect('{');
block = parseStatementList();
expect('}');
return markerApply(marker, delegate.createBlockStatement(block));
}
// 12.2 Variable Statement
function parseObjectTypeAnnotation() {
var isMethod, marker, properties = [], property, propertyKey,
propertyTypeAnnotation;
expect('{');
while (!match('}')) {
marker = markerCreate();
propertyKey = parseObjectPropertyKey();
isMethod = match('(');
propertyTypeAnnotation = parseTypeAnnotation();
properties.push(markerApply(marker, delegate.createProperty(
'init',
propertyKey,
propertyTypeAnnotation,
isMethod,
false
)));
if (!match('}')) {
if (match(',') || match(';')) {
lex();
} else {
throwUnexpected(lookahead);
}
}
}
expect('}');
return delegate.createObjectTypeAnnotation(properties);
}
function parseVoidTypeAnnotation() {
var marker = markerCreate();
expectKeyword('void');
return markerApply(marker, delegate.createVoidTypeAnnotation());
}
function parseParametricTypeAnnotation() {
var marker = markerCreate(), typeIdentifier, paramTypes = [];
expect('<');
while (!match('>')) {
paramTypes.push(parseVariableIdentifier());
if (!match('>')) {
expect(',');
}
}
expect('>');
return markerApply(marker, delegate.createParametricTypeAnnotation(
paramTypes
));
}
function parseTypeAnnotation(dontExpectColon) {
var typeIdentifier = null, params = null, returnType = null,
nullable = false, marker = markerCreate(), returnTypeMarker = null,
parametricType, annotation;
if (!dontExpectColon) {
expect(':');
}
if (match('{')) {
return markerApply(marker, parseObjectTypeAnnotation());
}
if (match('?')) {
lex();
nullable = true;
}
if (lookahead.type === Token.Identifier) {
typeIdentifier = parseVariableIdentifier();
if (match('<')) {
parametricType = parseParametricTypeAnnotation();
}
} else if (match('(')) {
lex();
params = [];
while (lookahead.type === Token.Identifier || match('?')) {
params.push(parseTypeAnnotatableIdentifier(
true, /* requireTypeAnnotation */
true /* canBeOptionalParam */
));
if (!match(')')) {
expect(',');
}
}
expect(')');
returnTypeMarker = markerCreate();
expect('=>');
returnType = parseTypeAnnotation(true);
} else {
if (!matchKeyword('void')) {
throwUnexpected(lookahead);
} else {
return parseVoidTypeAnnotation();
}
}
return markerApply(marker, delegate.createTypeAnnotation(
typeIdentifier,
parametricType,
params,
returnType,
nullable
));
}
function parseVariableIdentifier() {
var marker = markerCreate(),
token = lex();
if (token.type !== Token.Identifier) {
throwUnexpected(token);
}
return markerApply(marker, delegate.createIdentifier(token.value));
}
function parseTypeAnnotatableIdentifier(requireTypeAnnotation, canBeOptionalParam) {
var marker = markerCreate(),
ident = parseVariableIdentifier(),
isOptionalParam = false;
if (canBeOptionalParam && match('?')) {
expect('?');
isOptionalParam = true;
}
if (requireTypeAnnotation || match(':')) {
ident = markerApply(marker, delegate.createTypeAnnotatedIdentifier(
ident,
parseTypeAnnotation()
));
}
if (isOptionalParam) {
ident = markerApply(marker, delegate.createOptionalParameter(ident));
}
return ident;
}
function parseVariableDeclaration(kind) {
var id,
marker = markerCreate(),
init = null;
if (match('{')) {
id = parseObjectInitialiser();
reinterpretAsAssignmentBindingPattern(id);
} else if (match('[')) {
id = parseArrayInitialiser();
reinterpretAsAssignmentBindingPattern(id);
} else {
id = state.allowKeyword ? parseNonComputedProperty() : parseTypeAnnotatableIdentifier();
// 12.2.1
if (strict && isRestrictedWord(id.name)) {
throwErrorTolerant({}, Messages.StrictVarName);
}
}
if (kind === 'const') {
if (!match('=')) {
throwError({}, Messages.NoUnintializedConst);
}
expect('=');
init = parseAssignmentExpression();
} else if (match('=')) {
lex();
init = parseAssignmentExpression();
}
return markerApply(marker, delegate.createVariableDeclarator(id, init));
}
function parseVariableDeclarationList(kind) {
var list = [];
do {
list.push(parseVariableDeclaration(kind));
if (!match(',')) {
break;
}
lex();
} while (index < length);
return list;
}
function parseVariableStatement() {
var declarations, marker = markerCreate();
expectKeyword('var');
declarations = parseVariableDeclarationList();
consumeSemicolon();
return markerApply(marker, delegate.createVariableDeclaration(declarations, 'var'));
}
// kind may be `const` or `let`
// Both are experimental and not in the specification yet.
// see http://wiki.ecmascript.org/doku.php?id=harmony:const
// and http://wiki.ecmascript.org/doku.php?id=harmony:let
function parseConstLetDeclaration(kind) {
var declarations, marker = markerCreate();
expectKeyword(kind);
declarations = parseVariableDeclarationList(kind);
consumeSemicolon();
return markerApply(marker, delegate.createVariableDeclaration(declarations, kind));
}
// http://wiki.ecmascript.org/doku.php?id=harmony:modules
function parseModuleDeclaration() {
var id, src, body, marker = markerCreate();
lex(); // 'module'
if (peekLineTerminator()) {
throwError({}, Messages.NewlineAfterModule);
}
switch (lookahead.type) {
case Token.StringLiteral:
id = parsePrimaryExpression();
body = parseModuleBlock();
src = null;
break;
case Token.Identifier:
id = parseVariableIdentifier();
body = null;
if (!matchContextualKeyword('from')) {
throwUnexpected(lex());
}
lex();
src = parsePrimaryExpression();
if (src.type !== Syntax.Literal) {
throwError({}, Messages.InvalidModuleSpecifier);
}
break;
}
consumeSemicolon();
return markerApply(marker, delegate.createModuleDeclaration(id, src, body));
}
function parseExportBatchSpecifier() {
var marker = markerCreate();
expect('*');
return markerApply(marker, delegate.createExportBatchSpecifier());
}
function parseExportSpecifier() {
var id, name = null, marker = markerCreate();
id = parseVariableIdentifier();
if (matchContextualKeyword('as')) {
lex();
name = parseNonComputedProperty();
}
return markerApply(marker, delegate.createExportSpecifier(id, name));
}
function parseExportDeclaration() {
var previousAllowKeyword, decl, def, src, specifiers,
marker = markerCreate();
expectKeyword('export');
if (lookahead.type === Token.Keyword) {
switch (lookahead.value) {
case 'let':
case 'const':
case 'var':
case 'class':
case 'function':
return markerApply(marker, delegate.createExportDeclaration(parseSourceElement(), null, null));
}
}
if (isIdentifierName(lookahead)) {
previousAllowKeyword = state.allowKeyword;
state.allowKeyword = true;
decl = parseVariableDeclarationList('let');
state.allowKeyword = previousAllowKeyword;
return markerApply(marker, delegate.createExportDeclaration(decl, null, null));
}
specifiers = [];
src = null;
if (match('*')) {
specifiers.push(parseExportBatchSpecifier());
} else {
expect('{');
do {
specifiers.push(parseExportSpecifier());
} while (match(',') && lex());
expect('}');
}
if (matchContextualKeyword('from')) {
lex();
src = parsePrimaryExpression();
if (src.type !== Syntax.Literal) {
throwError({}, Messages.InvalidModuleSpecifier);
}
}
consumeSemicolon();
return markerApply(marker, delegate.createExportDeclaration(null, specifiers, src));
}
function parseImportDeclaration() {
var specifiers, kind, src, marker = markerCreate();
expectKeyword('import');
specifiers = [];
if (isIdentifierName(lookahead)) {
kind = 'default';
specifiers.push(parseImportSpecifier());
if (!matchContextualKeyword('from')) {
throwError({}, Messages.NoFromAfterImport);
}
lex();
} else if (match('{')) {
kind = 'named';
lex();
do {
specifiers.push(parseImportSpecifier());
} while (match(',') && lex());
expect('}');
if (!matchContextualKeyword('from')) {
throwError({}, Messages.NoFromAfterImport);
}
lex();
}
src = parsePrimaryExpression();
if (src.type !== Syntax.Literal) {
throwError({}, Messages.InvalidModuleSpecifier);
}
consumeSemicolon();
return markerApply(marker, delegate.createImportDeclaration(specifiers, kind, src));
}
function parseImportSpecifier() {
var id, name = null, marker = markerCreate();
id = parseNonComputedProperty();
if (matchContextualKeyword('as')) {
lex();
name = parseVariableIdentifier();
}
return markerApply(marker, delegate.createImportSpecifier(id, name));
}
// 12.3 Empty Statement
function parseEmptyStatement() {
var marker = markerCreate();
expect(';');
return markerApply(marker, delegate.createEmptyStatement());
}
// 12.4 Expression Statement
function parseExpressionStatement() {
var marker = markerCreate(), expr = parseExpression();
consumeSemicolon();
return markerApply(marker, delegate.createExpressionStatement(expr));
}
// 12.5 If statement
function parseIfStatement() {
var test, consequent, alternate, marker = markerCreate();
expectKeyword('if');
expect('(');
test = parseExpression();
expect(')');
consequent = parseStatement();
if (matchKeyword('else')) {
lex();
alternate = parseStatement();
} else {
alternate = null;
}
return markerApply(marker, delegate.createIfStatement(test, consequent, alternate));
}
// 12.6 Iteration Statements
function parseDoWhileStatement() {
var body, test, oldInIteration, marker = markerCreate();
expectKeyword('do');
oldInIteration = state.inIteration;
state.inIteration = true;
body = parseStatement();
state.inIteration = oldInIteration;
expectKeyword('while');
expect('(');
test = parseExpression();
expect(')');
if (match(';')) {
lex();
}
return markerApply(marker, delegate.createDoWhileStatement(body, test));
}
function parseWhileStatement() {
var test, body, oldInIteration, marker = markerCreate();
expectKeyword('while');
expect('(');
test = parseExpression();
expect(')');
oldInIteration = state.inIteration;
state.inIteration = true;
body = parseStatement();
state.inIteration = oldInIteration;
return markerApply(marker, delegate.createWhileStatement(test, body));
}
function parseForVariableDeclaration() {
var marker = markerCreate(),
token = lex(),
declarations = parseVariableDeclarationList();
return markerApply(marker, delegate.createVariableDeclaration(declarations, token.value));
}
function parseForStatement(opts) {
var init, test, update, left, right, body, operator, oldInIteration,
marker = markerCreate();
init = test = update = null;
expectKeyword('for');
// http://wiki.ecmascript.org/doku.php?id=proposals:iterators_and_generators&s=each
if (matchContextualKeyword('each')) {
throwError({}, Messages.EachNotAllowed);
}
expect('(');
if (match(';')) {
lex();
} else {
if (matchKeyword('var') || matchKeyword('let') || matchKeyword('const')) {
state.allowIn = false;
init = parseForVariableDeclaration();
state.allowIn = true;
if (init.declarations.length === 1) {
if (matchKeyword('in') || matchContextualKeyword('of')) {
operator = lookahead;
if (!((operator.value === 'in' || init.kind !== 'var') && init.declarations[0].init)) {
lex();
left = init;
right = parseExpression();
init = null;
}
}
}
} else {
state.allowIn = false;
init = parseExpression();
state.allowIn = true;
if (matchContextualKeyword('of')) {
operator = lex();
left = init;
right = parseExpression();
init = null;
} else if (matchKeyword('in')) {
// LeftHandSideExpression
if (!isAssignableLeftHandSide(init)) {
throwError({}, Messages.InvalidLHSInForIn);
}
operator = lex();
left = init;
right = parseExpression();
init = null;
}
}
if (typeof left === 'undefined') {
expect(';');
}
}
if (typeof left === 'undefined') {
if (!match(';')) {
test = parseExpression();
}
expect(';');
if (!match(')')) {
update = parseExpression();
}
}
expect(')');
oldInIteration = state.inIteration;
state.inIteration = true;
if (!(opts !== undefined && opts.ignoreBody)) {
body = parseStatement();
}
state.inIteration = oldInIteration;
if (typeof left === 'undefined') {
return markerApply(marker, delegate.createForStatement(init, test, update, body));
}
if (operator.value === 'in') {
return markerApply(marker, delegate.createForInStatement(left, right, body));
}
return markerApply(marker, delegate.createForOfStatement(left, right, body));
}
// 12.7 The continue statement
function parseContinueStatement() {
var label = null, key, marker = markerCreate();
expectKeyword('continue');
// Optimize the most common form: 'continue;'.
if (source.charCodeAt(index) === 59) {
lex();
if (!state.inIteration) {
throwError({}, Messages.IllegalContinue);
}
return markerApply(marker, delegate.createContinueStatement(null));
}
if (peekLineTerminator()) {
if (!state.inIteration) {
throwError({}, Messages.IllegalContinue);
}
return markerApply(marker, delegate.createContinueStatement(null));
}
if (lookahead.type === Token.Identifier) {
label = parseVariableIdentifier();
key = '$' + label.name;
if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
throwError({}, Messages.UnknownLabel, label.name);
}
}
consumeSemicolon();
if (label === null && !state.inIteration) {
throwError({}, Messages.IllegalContinue);
}
return markerApply(marker, delegate.createContinueStatement(label));
}
// 12.8 The break statement
function parseBreakStatement() {
var label = null, key, marker = markerCreate();
expectKeyword('break');
// Catch the very common case first: immediately a semicolon (char #59).
if (source.charCodeAt(index) === 59) {
lex();
if (!(state.inIteration || state.inSwitch)) {
throwError({}, Messages.IllegalBreak);
}
return markerApply(marker, delegate.createBreakStatement(null));
}
if (peekLineTerminator()) {
if (!(state.inIteration || state.inSwitch)) {
throwError({}, Messages.IllegalBreak);
}
return markerApply(marker, delegate.createBreakStatement(null));
}
if (lookahead.type === Token.Identifier) {
label = parseVariableIdentifier();
key = '$' + label.name;
if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
throwError({}, Messages.UnknownLabel, label.name);
}
}
consumeSemicolon();
if (label === null && !(state.inIteration || state.inSwitch)) {
throwError({}, Messages.IllegalBreak);
}
return markerApply(marker, delegate.createBreakStatement(label));
}
// 12.9 The return statement
function parseReturnStatement() {
var argument = null, marker = markerCreate();
expectKeyword('return');
if (!state.inFunctionBody) {
throwErrorTolerant({}, Messages.IllegalReturn);
}
// 'return' followed by a space and an identifier is very common.
if (source.charCodeAt(index) === 32) {
if (isIdentifierStart(source.charCodeAt(index + 1))) {
argument = parseExpression();
consumeSemicolon();
return markerApply(marker, delegate.createReturnStatement(argument));
}
}
if (peekLineTerminator()) {
return markerApply(marker, delegate.createReturnStatement(null));
}
if (!match(';')) {
if (!match('}') && lookahead.type !== Token.EOF) {
argument = parseExpression();
}
}
consumeSemicolon();
return markerApply(marker, delegate.createReturnStatement(argument));
}
// 12.10 The with statement
function parseWithStatement() {
var object, body, marker = markerCreate();
if (strict) {
throwErrorTolerant({}, Messages.StrictModeWith);
}
expectKeyword('with');
expect('(');
object = parseExpression();
expect(')');
body = parseStatement();
return markerApply(marker, delegate.createWithStatement(object, body));
}
// 12.10 The swith statement
function parseSwitchCase() {
var test,
consequent = [],
sourceElement,
marker = markerCreate();
if (matchKeyword('default')) {
lex();
test = null;
} else {
expectKeyword('case');
test = parseExpression();
}
expect(':');
while (index < length) {
if (match('}') || matchKeyword('default') || matchKeyword('case')) {
break;
}
sourceElement = parseSourceElement();
if (typeof sourceElement === 'undefined') {
break;
}
consequent.push(sourceElement);
}
return markerApply(marker, delegate.createSwitchCase(test, consequent));
}
function parseSwitchStatement() {
var discriminant, cases, clause, oldInSwitch, defaultFound, marker = markerCreate();
expectKeyword('switch');
expect('(');
discriminant = parseExpression();
expect(')');
expect('{');
cases = [];
if (match('}')) {
lex();
return markerApply(marker, delegate.createSwitchStatement(discriminant, cases));
}
oldInSwitch = state.inSwitch;
state.inSwitch = true;
defaultFound = false;
while (index < length) {
if (match('}')) {
break;
}
clause = parseSwitchCase();
if (clause.test === null) {
if (defaultFound) {
throwError({}, Messages.MultipleDefaultsInSwitch);
}
defaultFound = true;
}
cases.push(clause);
}
state.inSwitch = oldInSwitch;
expect('}');
return markerApply(marker, delegate.createSwitchStatement(discriminant, cases));
}
// 12.13 The throw statement
function parseThrowStatement() {
var argument, marker = markerCreate();
expectKeyword('throw');
if (peekLineTerminator()) {
throwError({}, Messages.NewlineAfterThrow);
}
argument = parseExpression();
consumeSemicolon();
return markerApply(marker, delegate.createThrowStatement(argument));
}
// 12.14 The try statement
function parseCatchClause() {
var param, body, marker = markerCreate();
expectKeyword('catch');
expect('(');
if (match(')')) {
throwUnexpected(lookahead);
}
param = parseExpression();
// 12.14.1
if (strict && param.type === Syntax.Identifier && isRestrictedWord(param.name)) {
throwErrorTolerant({}, Messages.StrictCatchVariable);
}
expect(')');
body = parseBlock();
return markerApply(marker, delegate.createCatchClause(param, body));
}
function parseTryStatement() {
var block, handlers = [], finalizer = null, marker = markerCreate();
expectKeyword('try');
block = parseBlock();
if (matchKeyword('catch')) {
handlers.push(parseCatchClause());
}
if (matchKeyword('finally')) {
lex();
finalizer = parseBlock();
}
if (handlers.length === 0 && !finalizer) {
throwError({}, Messages.NoCatchOrFinally);
}
return markerApply(marker, delegate.createTryStatement(block, [], handlers, finalizer));
}
// 12.15 The debugger statement
function parseDebuggerStatement() {
var marker = markerCreate();
expectKeyword('debugger');
consumeSemicolon();
return markerApply(marker, delegate.createDebuggerStatement());
}
// 12 Statements
function parseStatement() {
var type = lookahead.type,
marker,
expr,
labeledBody,
key;
if (type === Token.EOF) {
throwUnexpected(lookahead);
}
if (type === Token.Punctuator) {
switch (lookahead.value) {
case ';':
return parseEmptyStatement();
case '{':
return parseBlock();
case '(':
return parseExpressionStatement();
default:
break;
}
}
if (type === Token.Keyword) {
switch (lookahead.value) {
case 'break':
return parseBreakStatement();
case 'continue':
return parseContinueStatement();
case 'debugger':
return parseDebuggerStatement();
case 'do':
return parseDoWhileStatement();
case 'for':
return parseForStatement();
case 'function':
return parseFunctionDeclaration();
case 'class':
return parseClassDeclaration();
case 'if':
return parseIfStatement();
case 'return':
return parseReturnStatement();
case 'switch':
return parseSwitchStatement();
case 'throw':
return parseThrowStatement();
case 'try':
return parseTryStatement();
case 'var':
return parseVariableStatement();
case 'while':
return parseWhileStatement();
case 'with':
return parseWithStatement();
default:
break;
}
}
marker = markerCreate();
expr = parseExpression();
// 12.12 Labelled Statements
if ((expr.type === Syntax.Identifier) && match(':')) {
lex();
key = '$' + expr.name;
if (Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
throwError({}, Messages.Redeclaration, 'Label', expr.name);
}
state.labelSet[key] = true;
labeledBody = parseStatement();
delete state.labelSet[key];
return markerApply(marker, delegate.createLabeledStatement(expr, labeledBody));
}
consumeSemicolon();
return markerApply(marker, delegate.createExpressionStatement(expr));
}
// 13 Function Definition
function parseConciseBody() {
if (match('{')) {
return parseFunctionSourceElements();
}
return parseAssignmentExpression();
}
function parseFunctionSourceElements() {
var sourceElement, sourceElements = [], token, directive, firstRestricted,
oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody, oldParenthesizedCount,
marker = markerCreate();
expect('{');
while (index < length) {
if (lookahead.type !== Token.StringLiteral) {
break;
}
token = lookahead;
sourceElement = parseSourceElement();
sourceElements.push(sourceElement);
if (sourceElement.expression.type !== Syntax.Literal) {
// this is not directive
break;
}
directive = source.slice(token.range[0] + 1, token.range[1] - 1);
if (directive === 'use strict') {
strict = true;
if (firstRestricted) {
throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
}
} else {
if (!firstRestricted && token.octal) {
firstRestricted = token;
}
}
}
oldLabelSet = state.labelSet;
oldInIteration = state.inIteration;
oldInSwitch = state.inSwitch;
oldInFunctionBody = state.inFunctionBody;
oldParenthesizedCount = state.parenthesizedCount;
state.labelSet = {};
state.inIteration = false;
state.inSwitch = false;
state.inFunctionBody = true;
state.parenthesizedCount = 0;
while (index < length) {
if (match('}')) {
break;
}
sourceElement = parseSourceElement();
if (typeof sourceElement === 'undefined') {
break;
}
sourceElements.push(sourceElement);
}
expect('}');
state.labelSet = oldLabelSet;
state.inIteration = oldInIteration;
state.inSwitch = oldInSwitch;
state.inFunctionBody = oldInFunctionBody;
state.parenthesizedCount = oldParenthesizedCount;
return markerApply(marker, delegate.createBlockStatement(sourceElements));
}
function validateParam(options, param, name) {
var key = '$' + name;
if (strict) {
if (isRestrictedWord(name)) {
options.stricted = param;
options.message = Messages.StrictParamName;
}
if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
options.stricted = param;
options.message = Messages.StrictParamDupe;
}
} else if (!options.firstRestricted) {
if (isRestrictedWord(name)) {
options.firstRestricted = param;
options.message = Messages.StrictParamName;
} else if (isStrictModeReservedWord(name)) {
options.firstRestricted = param;
options.message = Messages.StrictReservedWord;
} else if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
options.firstRestricted = param;
options.message = Messages.StrictParamDupe;
}
}
options.paramSet[key] = true;
}
function parseParam(options) {
var token, rest, param, def;
token = lookahead;
if (token.value === '...') {
token = lex();
rest = true;
}
if (match('[')) {
param = parseArrayInitialiser();
reinterpretAsDestructuredParameter(options, param);
} else if (match('{')) {
if (rest) {
throwError({}, Messages.ObjectPatternAsRestParameter);
}
param = parseObjectInitialiser();
reinterpretAsDestructuredParameter(options, param);
} else {
// Typing rest params is awkward, so punting on that for now
param =
rest
? parseVariableIdentifier()
: parseTypeAnnotatableIdentifier(
false, /* requireTypeAnnotation */
true /* canBeOptionalParam */
);
validateParam(options, token, token.value);
}
if (match('=')) {
if (rest) {
throwErrorTolerant(lookahead, Messages.DefaultRestParameter);
}
lex();
def = parseAssignmentExpression();
++options.defaultCount;
}
if (rest) {
if (!match(')')) {
throwError({}, Messages.ParameterAfterRestParameter);
}
options.rest = param;
return false;
}
options.params.push(param);
options.defaults.push(def);
return !match(')');
}
function parseParams(firstRestricted) {
var options, marker = markerCreate();
options = {
params: [],
defaultCount: 0,
defaults: [],
rest: null,
firstRestricted: firstRestricted
};
expect('(');
if (!match(')')) {
options.paramSet = {};
while (index < length) {
if (!parseParam(options)) {
break;
}
expect(',');
}
}
expect(')');
if (options.defaultCount === 0) {
options.defaults = [];
}
if (match(':')) {
options.returnType = parseTypeAnnotation();
}
return markerApply(marker, options);
}
function parseFunctionDeclaration() {
var id, body, token, tmp, firstRestricted, message, previousStrict, previousYieldAllowed, generator,
marker = markerCreate(), parametricType;
expectKeyword('function');
generator = false;
if (match('*')) {
lex();
generator = true;
}
token = lookahead;
id = parseVariableIdentifier();
if (match('<')) {
parametricType = parseParametricTypeAnnotation();
}
if (strict) {
if (isRestrictedWord(token.value)) {
throwErrorTolerant(token, Messages.StrictFunctionName);
}
} else {
if (isRestrictedWord(token.value)) {
firstRestricted = token;
message = Messages.StrictFunctionName;
} else if (isStrictModeReservedWord(token.value)) {
firstRestricted = token;
message = Messages.StrictReservedWord;
}
}
tmp = parseParams(firstRestricted);
firstRestricted = tmp.firstRestricted;
if (tmp.message) {
message = tmp.message;
}
previousStrict = strict;
previousYieldAllowed = state.yieldAllowed;
state.yieldAllowed = generator;
body = parseFunctionSourceElements();
if (strict && firstRestricted) {
throwError(firstRestricted, message);
}
if (strict && tmp.stricted) {
throwErrorTolerant(tmp.stricted, message);
}
strict = previousStrict;
state.yieldAllowed = previousYieldAllowed;
return markerApply(marker, delegate.createFunctionDeclaration(id, tmp.params, tmp.defaults, body, tmp.rest, generator, false,
tmp.returnType, parametricType));
}
function parseFunctionExpression() {
var token, id = null, firstRestricted, message, tmp, body, previousStrict, previousYieldAllowed, generator,
marker = markerCreate(), parametricType;
expectKeyword('function');
generator = false;
if (match('*')) {
lex();
generator = true;
}
if (!match('(')) {
if (!match('<')) {
token = lookahead;
id = parseVariableIdentifier();
if (strict) {
if (isRestrictedWord(token.value)) {
throwErrorTolerant(token, Messages.StrictFunctionName);
}
} else {
if (isRestrictedWord(token.value)) {
firstRestricted = token;
message = Messages.StrictFunctionName;
} else if (isStrictModeReservedWord(token.value)) {
firstRestricted = token;
message = Messages.StrictReservedWord;
}
}
}
if (match('<')) {
parametricType = parseParametricTypeAnnotation();
}
}
tmp = parseParams(firstRestricted);
firstRestricted = tmp.firstRestricted;
if (tmp.message) {
message = tmp.message;
}
previousStrict = strict;
previousYieldAllowed = state.yieldAllowed;
state.yieldAllowed = generator;
body = parseFunctionSourceElements();
if (strict && firstRestricted) {
throwError(firstRestricted, message);
}
if (strict && tmp.stricted) {
throwErrorTolerant(tmp.stricted, message);
}
strict = previousStrict;
state.yieldAllowed = previousYieldAllowed;
return markerApply(marker, delegate.createFunctionExpression(id, tmp.params, tmp.defaults, body, tmp.rest, generator, false,
tmp.returnType, parametricType));
}
function parseYieldExpression() {
var yieldToken, delegateFlag, expr, marker = markerCreate();
yieldToken = lex();
assert(yieldToken.value === 'yield', 'Called parseYieldExpression with non-yield lookahead.');
if (!state.yieldAllowed) {
throwErrorTolerant({}, Messages.IllegalYield);
}
delegateFlag = false;
if (match('*')) {
lex();
delegateFlag = true;
}
expr = parseAssignmentExpression();
return markerApply(marker, delegate.createYieldExpression(expr, delegateFlag));
}
// 14 Classes
function parseMethodDefinition(existingPropNames) {
var token, key, param, propType, isValidDuplicateProp = false,
marker = markerCreate(), token2, parametricType,
parametricTypeMarker, annotationMarker;
if (lookahead.value === 'static') {
propType = ClassPropertyType["static"];
lex();
} else {
propType = ClassPropertyType.prototype;
}
if (match('*')) {
lex();
return markerApply(marker, delegate.createMethodDefinition(
propType,
'',
parseObjectPropertyKey(),
parsePropertyMethodFunction({ generator: true })
));
}
token = lookahead;
//parametricTypeMarker = markerCreate();
key = parseObjectPropertyKey();
if (token.value === 'get' && !match('(')) {
key = parseObjectPropertyKey();
// It is a syntax error if any other properties have a name
// duplicating this one unless they are a setter
if (existingPropNames[propType].hasOwnProperty(key.name)) {
isValidDuplicateProp =
// There isn't already a getter for this prop
existingPropNames[propType][key.name].get === undefined
// There isn't already a data prop by this name
&& existingPropNames[propType][key.name].data === undefined
// The only existing prop by this name is a setter
&& existingPropNames[propType][key.name].set !== undefined;
if (!isValidDuplicateProp) {
throwError(key, Messages.IllegalDuplicateClassProperty);
}
} else {
existingPropNames[propType][key.name] = {};
}
existingPropNames[propType][key.name].get = true;
expect('(');
expect(')');
return markerApply(marker, delegate.createMethodDefinition(
propType,
'get',
key,
parsePropertyFunction({ generator: false })
));
}
if (token.value === 'set' && !match('(')) {
key = parseObjectPropertyKey();
// It is a syntax error if any other properties have a name
// duplicating this one unless they are a getter
if (existingPropNames[propType].hasOwnProperty(key.name)) {
isValidDuplicateProp =
// There isn't already a setter for this prop
existingPropNames[propType][key.name].set === undefined
// There isn't already a data prop by this name
&& existingPropNames[propType][key.name].data === undefined
// The only existing prop by this name is a getter
&& existingPropNames[propType][key.name].get !== undefined;
if (!isValidDuplicateProp) {
throwError(key, Messages.IllegalDuplicateClassProperty);
}
} else {
existingPropNames[propType][key.name] = {};
}
existingPropNames[propType][key.name].set = true;
expect('(');
token = lookahead;
param = [ parseTypeAnnotatableIdentifier() ];
expect(')');
return markerApply(marker, delegate.createMethodDefinition(
propType,
'set',
key,
parsePropertyFunction({ params: param, generator: false, name: token })
));
}
if (match('<')) {
parametricType = parseParametricTypeAnnotation();
}
// It is a syntax error if any other properties have the same name as a
// non-getter, non-setter method
if (existingPropNames[propType].hasOwnProperty(key.name)) {
throwError(key, Messages.IllegalDuplicateClassProperty);
} else {
existingPropNames[propType][key.name] = {};
}
existingPropNames[propType][key.name].data = true;
return markerApply(marker, delegate.createMethodDefinition(
propType,
'',
key,
parsePropertyMethodFunction({
generator: false,
parametricType: parametricType
})
));
}
function parseClassProperty(existingPropNames) {
var marker = markerCreate(), propertyIdentifier;
propertyIdentifier = parseTypeAnnotatableIdentifier();
expect(';');
return markerApply(marker, delegate.createClassProperty(
propertyIdentifier
));
}
function parseClassElement(existingProps) {
if (match(';')) {
lex();
return;
}
var doubleLookahead = lookahead2();
if (doubleLookahead.type === Token.Punctuator) {
if (doubleLookahead.value === ':') {
return parseClassProperty(existingProps);
}
}
return parseMethodDefinition(existingProps);
}
function parseClassBody() {
var classElement, classElements = [], existingProps = {}, marker = markerCreate();
existingProps[ClassPropertyType["static"]] = {};
existingProps[ClassPropertyType.prototype] = {};
expect('{');
while (index < length) {
if (match('}')) {
break;
}
classElement = parseClassElement(existingProps);
if (typeof classElement !== 'undefined') {
classElements.push(classElement);
}
}
expect('}');
return markerApply(marker, delegate.createClassBody(classElements));
}
function parseClassExpression() {
var id, previousYieldAllowed, superClass = null, marker = markerCreate(),
parametricType;
expectKeyword('class');
if (!matchKeyword('extends') && !match('{')) {
id = parseVariableIdentifier();
}
if (match('<')) {
parametricType = parseParametricTypeAnnotation();
}
if (matchKeyword('extends')) {
expectKeyword('extends');
previousYieldAllowed = state.yieldAllowed;
state.yieldAllowed = false;
superClass = parseAssignmentExpression();
state.yieldAllowed = previousYieldAllowed;
}
return markerApply(marker, delegate.createClassExpression(id, superClass, parseClassBody(), parametricType));
}
function parseClassDeclaration() {
var id, previousYieldAllowed, superClass = null, marker = markerCreate(),
parametricType, superParametricType;
expectKeyword('class');
id = parseVariableIdentifier();
if (match('<')) {
parametricType = parseParametricTypeAnnotation();
}
if (matchKeyword('extends')) {
expectKeyword('extends');
previousYieldAllowed = state.yieldAllowed;
state.yieldAllowed = false;
superClass = parseAssignmentExpression();
state.yieldAllowed = previousYieldAllowed;
}
return markerApply(marker, delegate.createClassDeclaration(id, superClass, parseClassBody(), parametricType, superParametricType));
}
// 15 Program
function matchModuleDeclaration() {
var id;
if (matchContextualKeyword('module')) {
id = lookahead2();
return id.type === Token.StringLiteral || id.type === Token.Identifier;
}
return false;
}
function parseSourceElement() {
if (lookahead.type === Token.Keyword) {
switch (lookahead.value) {
case 'const':
case 'let':
return parseConstLetDeclaration(lookahead.value);
case 'function':
return parseFunctionDeclaration();
case 'export':
return parseExportDeclaration();
case 'import':
return parseImportDeclaration();
default:
return parseStatement();
}
}
if (matchModuleDeclaration()) {
throwError({}, Messages.NestedModule);
}
if (lookahead.type !== Token.EOF) {
return parseStatement();
}
}
function parseProgramElement() {
if (lookahead.type === Token.Keyword) {
switch (lookahead.value) {
case 'export':
return parseExportDeclaration();
case 'import':
return parseImportDeclaration();
}
}
if (matchModuleDeclaration()) {
return parseModuleDeclaration();
}
return parseSourceElement();
}
function parseProgramElements() {
var sourceElement, sourceElements = [], token, directive, firstRestricted;
while (index < length) {
token = lookahead;
if (token.type !== Token.StringLiteral) {
break;
}
sourceElement = parseProgramElement();
sourceElements.push(sourceElement);
if (sourceElement.expression.type !== Syntax.Literal) {
// this is not directive
break;
}
directive = source.slice(token.range[0] + 1, token.range[1] - 1);
if (directive === 'use strict') {
strict = true;
if (firstRestricted) {
throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
}
} else {
if (!firstRestricted && token.octal) {
firstRestricted = token;
}
}
}
while (index < length) {
sourceElement = parseProgramElement();
if (typeof sourceElement === 'undefined') {
break;
}
sourceElements.push(sourceElement);
}
return sourceElements;
}
function parseModuleElement() {
return parseSourceElement();
}
function parseModuleElements() {
var list = [],
statement;
while (index < length) {
if (match('}')) {
break;
}
statement = parseModuleElement();
if (typeof statement === 'undefined') {
break;
}
list.push(statement);
}
return list;
}
function parseModuleBlock() {
var block, marker = markerCreate();
expect('{');
block = parseModuleElements();
expect('}');
return markerApply(marker, delegate.createBlockStatement(block));
}
function parseProgram() {
var body, marker = markerCreate();
strict = false;
peek();
body = parseProgramElements();
return markerApply(marker, delegate.createProgram(body));
}
// The following functions are needed only when the option to preserve
// the comments is active.
function addComment(type, value, start, end, loc) {
var comment;
assert(typeof start === 'number', 'Comment must have valid position');
// Because the way the actual token is scanned, often the comments
// (if any) are skipped twice during the lexical analysis.
// Thus, we need to skip adding a comment if the comment array already
// handled it.
if (state.lastCommentStart >= start) {
return;
}
state.lastCommentStart = start;
comment = {
type: type,
value: value
};
if (extra.range) {
comment.range = [start, end];
}
if (extra.loc) {
comment.loc = loc;
}
extra.comments.push(comment);
}
function scanComment() {
var comment, ch, loc, start, blockComment, lineComment;
comment = '';
blockComment = false;
lineComment = false;
while (index < length) {
ch = source[index];
if (lineComment) {
ch = source[index++];
if (isLineTerminator(ch.charCodeAt(0))) {
loc.end = {
line: lineNumber,
column: index - lineStart - 1
};
lineComment = false;
addComment('Line', comment, start, index - 1, loc);
if (ch === '\r' && source[index] === '\n') {
++index;
}
++lineNumber;
lineStart = index;
comment = '';
} else if (index >= length) {
lineComment = false;
comment += ch;
loc.end = {
line: lineNumber,
column: length - lineStart
};
addComment('Line', comment, start, length, loc);
} else {
comment += ch;
}
} else if (blockComment) {
if (isLineTerminator(ch.charCodeAt(0))) {
if (ch === '\r' && source[index + 1] === '\n') {
++index;
comment += '\r\n';
} else {
comment += ch;
}
++lineNumber;
++index;
lineStart = index;
if (index >= length) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
} else {
ch = source[index++];
if (index >= length) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
comment += ch;
if (ch === '*') {
ch = source[index];
if (ch === '/') {
comment = comment.substr(0, comment.length - 1);
blockComment = false;
++index;
loc.end = {
line: lineNumber,
column: index - lineStart
};
addComment('Block', comment, start, index, loc);
comment = '';
}
}
}
} else if (ch === '/') {
ch = source[index + 1];
if (ch === '/') {
loc = {
start: {
line: lineNumber,
column: index - lineStart
}
};
start = index;
index += 2;
lineComment = true;
if (index >= length) {
loc.end = {
line: lineNumber,
column: index - lineStart
};
lineComment = false;
addComment('Line', comment, start, index, loc);
}
} else if (ch === '*') {
start = index;
index += 2;
blockComment = true;
loc = {
start: {
line: lineNumber,
column: index - lineStart - 2
}
};
if (index >= length) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
} else {
break;
}
} else if (isWhiteSpace(ch.charCodeAt(0))) {
++index;
} else if (isLineTerminator(ch.charCodeAt(0))) {
++index;
if (ch === '\r' && source[index] === '\n') {
++index;
}
++lineNumber;
lineStart = index;
} else {
break;
}
}
}
// 16 XJS
XHTMLEntities = {
quot: '\u0022',
amp: '&',
apos: '\u0027',
lt: '<',
gt: '>',
nbsp: '\u00A0',
iexcl: '\u00A1',
cent: '\u00A2',
pound: '\u00A3',
curren: '\u00A4',
yen: '\u00A5',
brvbar: '\u00A6',
sect: '\u00A7',
uml: '\u00A8',
copy: '\u00A9',
ordf: '\u00AA',
laquo: '\u00AB',
not: '\u00AC',
shy: '\u00AD',
reg: '\u00AE',
macr: '\u00AF',
deg: '\u00B0',
plusmn: '\u00B1',
sup2: '\u00B2',
sup3: '\u00B3',
acute: '\u00B4',
micro: '\u00B5',
para: '\u00B6',
middot: '\u00B7',
cedil: '\u00B8',
sup1: '\u00B9',
ordm: '\u00BA',
raquo: '\u00BB',
frac14: '\u00BC',
frac12: '\u00BD',
frac34: '\u00BE',
iquest: '\u00BF',
Agrave: '\u00C0',
Aacute: '\u00C1',
Acirc: '\u00C2',
Atilde: '\u00C3',
Auml: '\u00C4',
Aring: '\u00C5',
AElig: '\u00C6',
Ccedil: '\u00C7',
Egrave: '\u00C8',
Eacute: '\u00C9',
Ecirc: '\u00CA',
Euml: '\u00CB',
Igrave: '\u00CC',
Iacute: '\u00CD',
Icirc: '\u00CE',
Iuml: '\u00CF',
ETH: '\u00D0',
Ntilde: '\u00D1',
Ograve: '\u00D2',
Oacute: '\u00D3',
Ocirc: '\u00D4',
Otilde: '\u00D5',
Ouml: '\u00D6',
times: '\u00D7',
Oslash: '\u00D8',
Ugrave: '\u00D9',
Uacute: '\u00DA',
Ucirc: '\u00DB',
Uuml: '\u00DC',
Yacute: '\u00DD',
THORN: '\u00DE',
szlig: '\u00DF',
agrave: '\u00E0',
aacute: '\u00E1',
acirc: '\u00E2',
atilde: '\u00E3',
auml: '\u00E4',
aring: '\u00E5',
aelig: '\u00E6',
ccedil: '\u00E7',
egrave: '\u00E8',
eacute: '\u00E9',
ecirc: '\u00EA',
euml: '\u00EB',
igrave: '\u00EC',
iacute: '\u00ED',
icirc: '\u00EE',
iuml: '\u00EF',
eth: '\u00F0',
ntilde: '\u00F1',
ograve: '\u00F2',
oacute: '\u00F3',
ocirc: '\u00F4',
otilde: '\u00F5',
ouml: '\u00F6',
divide: '\u00F7',
oslash: '\u00F8',
ugrave: '\u00F9',
uacute: '\u00FA',
ucirc: '\u00FB',
uuml: '\u00FC',
yacute: '\u00FD',
thorn: '\u00FE',
yuml: '\u00FF',
OElig: '\u0152',
oelig: '\u0153',
Scaron: '\u0160',
scaron: '\u0161',
Yuml: '\u0178',
fnof: '\u0192',
circ: '\u02C6',
tilde: '\u02DC',
Alpha: '\u0391',
Beta: '\u0392',
Gamma: '\u0393',
Delta: '\u0394',
Epsilon: '\u0395',
Zeta: '\u0396',
Eta: '\u0397',
Theta: '\u0398',
Iota: '\u0399',
Kappa: '\u039A',
Lambda: '\u039B',
Mu: '\u039C',
Nu: '\u039D',
Xi: '\u039E',
Omicron: '\u039F',
Pi: '\u03A0',
Rho: '\u03A1',
Sigma: '\u03A3',
Tau: '\u03A4',
Upsilon: '\u03A5',
Phi: '\u03A6',
Chi: '\u03A7',
Psi: '\u03A8',
Omega: '\u03A9',
alpha: '\u03B1',
beta: '\u03B2',
gamma: '\u03B3',
delta: '\u03B4',
epsilon: '\u03B5',
zeta: '\u03B6',
eta: '\u03B7',
theta: '\u03B8',
iota: '\u03B9',
kappa: '\u03BA',
lambda: '\u03BB',
mu: '\u03BC',
nu: '\u03BD',
xi: '\u03BE',
omicron: '\u03BF',
pi: '\u03C0',
rho: '\u03C1',
sigmaf: '\u03C2',
sigma: '\u03C3',
tau: '\u03C4',
upsilon: '\u03C5',
phi: '\u03C6',
chi: '\u03C7',
psi: '\u03C8',
omega: '\u03C9',
thetasym: '\u03D1',
upsih: '\u03D2',
piv: '\u03D6',
ensp: '\u2002',
emsp: '\u2003',
thinsp: '\u2009',
zwnj: '\u200C',
zwj: '\u200D',
lrm: '\u200E',
rlm: '\u200F',
ndash: '\u2013',
mdash: '\u2014',
lsquo: '\u2018',
rsquo: '\u2019',
sbquo: '\u201A',
ldquo: '\u201C',
rdquo: '\u201D',
bdquo: '\u201E',
dagger: '\u2020',
Dagger: '\u2021',
bull: '\u2022',
hellip: '\u2026',
permil: '\u2030',
prime: '\u2032',
Prime: '\u2033',
lsaquo: '\u2039',
rsaquo: '\u203A',
oline: '\u203E',
frasl: '\u2044',
euro: '\u20AC',
image: '\u2111',
weierp: '\u2118',
real: '\u211C',
trade: '\u2122',
alefsym: '\u2135',
larr: '\u2190',
uarr: '\u2191',
rarr: '\u2192',
darr: '\u2193',
harr: '\u2194',
crarr: '\u21B5',
lArr: '\u21D0',
uArr: '\u21D1',
rArr: '\u21D2',
dArr: '\u21D3',
hArr: '\u21D4',
forall: '\u2200',
part: '\u2202',
exist: '\u2203',
empty: '\u2205',
nabla: '\u2207',
isin: '\u2208',
notin: '\u2209',
ni: '\u220B',
prod: '\u220F',
sum: '\u2211',
minus: '\u2212',
lowast: '\u2217',
radic: '\u221A',
prop: '\u221D',
infin: '\u221E',
ang: '\u2220',
and: '\u2227',
or: '\u2228',
cap: '\u2229',
cup: '\u222A',
'int': '\u222B',
there4: '\u2234',
sim: '\u223C',
cong: '\u2245',
asymp: '\u2248',
ne: '\u2260',
equiv: '\u2261',
le: '\u2264',
ge: '\u2265',
sub: '\u2282',
sup: '\u2283',
nsub: '\u2284',
sube: '\u2286',
supe: '\u2287',
oplus: '\u2295',
otimes: '\u2297',
perp: '\u22A5',
sdot: '\u22C5',
lceil: '\u2308',
rceil: '\u2309',
lfloor: '\u230A',
rfloor: '\u230B',
lang: '\u2329',
rang: '\u232A',
loz: '\u25CA',
spades: '\u2660',
clubs: '\u2663',
hearts: '\u2665',
diams: '\u2666'
};
function getQualifiedXJSName(object) {
if (object.type === Syntax.XJSIdentifier) {
return object.name;
}
if (object.type === Syntax.XJSNamespacedName) {
return object.namespace.name + ':' + object.name.name;
}
if (object.type === Syntax.XJSMemberExpression) {
return (
getQualifiedXJSName(object.object) + '.' +
getQualifiedXJSName(object.property)
);
}
}
function isXJSIdentifierStart(ch) {
// exclude backslash (\)
return (ch !== 92) && isIdentifierStart(ch);
}
function isXJSIdentifierPart(ch) {
// exclude backslash (\) and add hyphen (-)
return (ch !== 92) && (ch === 45 || isIdentifierPart(ch));
}
function scanXJSIdentifier() {
var ch, start, value = '';
start = index;
while (index < length) {
ch = source.charCodeAt(index);
if (!isXJSIdentifierPart(ch)) {
break;
}
value += source[index++];
}
return {
type: Token.XJSIdentifier,
value: value,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
function scanXJSEntity() {
var ch, str = '', count = 0, entity;
ch = source[index];
assert(ch === '&', 'Entity must start with an ampersand');
index++;
while (index < length && count++ < 10) {
ch = source[index++];
if (ch === ';') {
break;
}
str += ch;
}
if (str[0] === '#' && str[1] === 'x') {
entity = String.fromCharCode(parseInt(str.substr(2), 16));
} else if (str[0] === '#') {
entity = String.fromCharCode(parseInt(str.substr(1), 10));
} else {
entity = XHTMLEntities[str];
}
return entity;
}
function scanXJSText(stopChars) {
var ch, str = '', start;
start = index;
while (index < length) {
ch = source[index];
if (stopChars.indexOf(ch) !== -1) {
break;
}
if (ch === '&') {
str += scanXJSEntity();
} else {
index++;
if (isLineTerminator(ch.charCodeAt(0))) {
++lineNumber;
lineStart = index;
}
str += ch;
}
}
return {
type: Token.XJSText,
value: str,
lineNumber: lineNumber,
lineStart: lineStart,
range: [start, index]
};
}
function scanXJSStringLiteral() {
var innerToken, quote, start;
quote = source[index];
assert((quote === '\'' || quote === '"'),
'String literal must starts with a quote');
start = index;
++index;
innerToken = scanXJSText([quote]);
if (quote !== source[index]) {
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
}
++index;
innerToken.range = [start, index];
return innerToken;
}
/**
* Between XJS opening and closing tags (e.g. <foo>HERE</foo>), anything that
* is not another XJS tag and is not an expression wrapped by {} is text.
*/
function advanceXJSChild() {
var ch = source.charCodeAt(index);
// { (123) and < (60)
if (ch !== 123 && ch !== 60) {
return scanXJSText(['<', '{']);
}
return scanPunctuator();
}
function parseXJSIdentifier() {
var token, marker = markerCreate();
if (lookahead.type !== Token.XJSIdentifier) {
throwUnexpected(lookahead);
}
token = lex();
return markerApply(marker, delegate.createXJSIdentifier(token.value));
}
function parseXJSNamespacedName() {
var namespace, name, marker = markerCreate();
namespace = parseXJSIdentifier();
expect(':');
name = parseXJSIdentifier();
return markerApply(marker, delegate.createXJSNamespacedName(namespace, name));
}
function parseXJSMemberExpression() {
var marker = markerCreate(),
expr = parseXJSIdentifier();
while (match('.')) {
lex();
expr = markerApply(marker, delegate.createXJSMemberExpression(expr, parseXJSIdentifier()));
}
return expr;
}
function parseXJSElementName() {
if (lookahead2().value === ':') {
return parseXJSNamespacedName();
}
if (lookahead2().value === '.') {
return parseXJSMemberExpression();
}
return parseXJSIdentifier();
}
function parseXJSAttributeName() {
if (lookahead2().value === ':') {
return parseXJSNamespacedName();
}
return parseXJSIdentifier();
}
function parseXJSAttributeValue() {
var value, marker;
if (match('{')) {
value = parseXJSExpressionContainer();
if (value.expression.type === Syntax.XJSEmptyExpression) {
throwError(
value,
'XJS attributes must only be assigned a non-empty ' +
'expression'
);
}
} else if (match('<')) {
value = parseXJSElement();
} else if (lookahead.type === Token.XJSText) {
marker = markerCreate();
value = markerApply(marker, delegate.createLiteral(lex()));
} else {
throwError({}, Messages.InvalidXJSAttributeValue);
}
return value;
}
function parseXJSEmptyExpression() {
var marker = markerCreatePreserveWhitespace();
while (source.charAt(index) !== '}') {
index++;
}
return markerApply(marker, delegate.createXJSEmptyExpression());
}
function parseXJSExpressionContainer() {
var expression, origInXJSChild, origInXJSTag, marker = markerCreate();
origInXJSChild = state.inXJSChild;
origInXJSTag = state.inXJSTag;
state.inXJSChild = false;
state.inXJSTag = false;
expect('{');
if (match('}')) {
expression = parseXJSEmptyExpression();
} else {
expression = parseExpression();
}
state.inXJSChild = origInXJSChild;
state.inXJSTag = origInXJSTag;
expect('}');
return markerApply(marker, delegate.createXJSExpressionContainer(expression));
}
function parseXJSSpreadAttribute() {
var expression, origInXJSChild, origInXJSTag, marker = markerCreate();
origInXJSChild = state.inXJSChild;
origInXJSTag = state.inXJSTag;
state.inXJSChild = false;
state.inXJSTag = false;
expect('{');
expect('...');
expression = parseAssignmentExpression();
state.inXJSChild = origInXJSChild;
state.inXJSTag = origInXJSTag;
expect('}');
return markerApply(marker, delegate.createXJSSpreadAttribute(expression));
}
function parseXJSAttribute() {
var name, marker;
if (match('{')) {
return parseXJSSpreadAttribute();
}
marker = markerCreate();
name = parseXJSAttributeName();
// HTML empty attribute
if (match('=')) {
lex();
return markerApply(marker, delegate.createXJSAttribute(name, parseXJSAttributeValue()));
}
return markerApply(marker, delegate.createXJSAttribute(name));
}
function parseXJSChild() {
var token, marker;
if (match('{')) {
token = parseXJSExpressionContainer();
} else if (lookahead.type === Token.XJSText) {
marker = markerCreatePreserveWhitespace();
token = markerApply(marker, delegate.createLiteral(lex()));
} else {
token = parseXJSElement();
}
return token;
}
function parseXJSClosingElement() {
var name, origInXJSChild, origInXJSTag, marker = markerCreate();
origInXJSChild = state.inXJSChild;
origInXJSTag = state.inXJSTag;
state.inXJSChild = false;
state.inXJSTag = true;
expect('<');
expect('/');
name = parseXJSElementName();
// Because advance() (called by lex() called by expect()) expects there
// to be a valid token after >, it needs to know whether to look for a
// standard JS token or an XJS text node
state.inXJSChild = origInXJSChild;
state.inXJSTag = origInXJSTag;
expect('>');
return markerApply(marker, delegate.createXJSClosingElement(name));
}
function parseXJSOpeningElement() {
var name, attribute, attributes = [], selfClosing = false, origInXJSChild, origInXJSTag, marker = markerCreate();
origInXJSChild = state.inXJSChild;
origInXJSTag = state.inXJSTag;
state.inXJSChild = false;
state.inXJSTag = true;
expect('<');
name = parseXJSElementName();
while (index < length &&
lookahead.value !== '/' &&
lookahead.value !== '>') {
attributes.push(parseXJSAttribute());
}
state.inXJSTag = origInXJSTag;
if (lookahead.value === '/') {
expect('/');
// Because advance() (called by lex() called by expect()) expects
// there to be a valid token after >, it needs to know whether to
// look for a standard JS token or an XJS text node
state.inXJSChild = origInXJSChild;
expect('>');
selfClosing = true;
} else {
state.inXJSChild = true;
expect('>');
}
return markerApply(marker, delegate.createXJSOpeningElement(name, attributes, selfClosing));
}
function parseXJSElement() {
var openingElement, closingElement, children = [], origInXJSChild, origInXJSTag, marker = markerCreate();
origInXJSChild = state.inXJSChild;
origInXJSTag = state.inXJSTag;
openingElement = parseXJSOpeningElement();
if (!openingElement.selfClosing) {
while (index < length) {
state.inXJSChild = false; // Call lookahead2() with inXJSChild = false because </ should not be considered in the child
if (lookahead.value === '<' && lookahead2().value === '/') {
break;
}
state.inXJSChild = true;
children.push(parseXJSChild());
}
state.inXJSChild = origInXJSChild;
state.inXJSTag = origInXJSTag;
closingElement = parseXJSClosingElement();
if (getQualifiedXJSName(closingElement.name) !== getQualifiedXJSName(openingElement.name)) {
throwError({}, Messages.ExpectedXJSClosingTag, getQualifiedXJSName(openingElement.name));
}
}
// When (erroneously) writing two adjacent tags like
//
// var x = <div>one</div><div>two</div>;
//
// the default error message is a bit incomprehensible. Since it's
// rarely (never?) useful to write a less-than sign after an XJS
// element, we disallow it here in the parser in order to provide a
// better error message. (In the rare case that the less-than operator
// was intended, the left tag can be wrapped in parentheses.)
if (!origInXJSChild && match('<')) {
throwError(lookahead, Messages.AdjacentXJSElements);
}
return markerApply(marker, delegate.createXJSElement(openingElement, closingElement, children));
}
function collectToken() {
var start, loc, token, range, value;
if (!state.inXJSChild) {
skipComment();
}
start = index;
loc = {
start: {
line: lineNumber,
column: index - lineStart
}
};
token = extra.advance();
loc.end = {
line: lineNumber,
column: index - lineStart
};
if (token.type !== Token.EOF) {
range = [token.range[0], token.range[1]];
value = source.slice(token.range[0], token.range[1]);
extra.tokens.push({
type: TokenName[token.type],
value: value,
range: range,
loc: loc
});
}
return token;
}
function collectRegex() {
var pos, loc, regex, token;
skipComment();
pos = index;
loc = {
start: {
line: lineNumber,
column: index - lineStart
}
};
regex = extra.scanRegExp();
loc.end = {
line: lineNumber,
column: index - lineStart
};
if (!extra.tokenize) {
// Pop the previous token, which is likely '/' or '/='
if (extra.tokens.length > 0) {
token = extra.tokens[extra.tokens.length - 1];
if (token.range[0] === pos && token.type === 'Punctuator') {
if (token.value === '/' || token.value === '/=') {
extra.tokens.pop();
}
}
}
extra.tokens.push({
type: 'RegularExpression',
value: regex.literal,
range: [pos, index],
loc: loc
});
}
return regex;
}
function filterTokenLocation() {
var i, entry, token, tokens = [];
for (i = 0; i < extra.tokens.length; ++i) {
entry = extra.tokens[i];
token = {
type: entry.type,
value: entry.value
};
if (extra.range) {
token.range = entry.range;
}
if (extra.loc) {
token.loc = entry.loc;
}
tokens.push(token);
}
extra.tokens = tokens;
}
function patch() {
if (extra.comments) {
extra.skipComment = skipComment;
skipComment = scanComment;
}
if (typeof extra.tokens !== 'undefined') {
extra.advance = advance;
extra.scanRegExp = scanRegExp;
advance = collectToken;
scanRegExp = collectRegex;
}
}
function unpatch() {
if (typeof extra.skipComment === 'function') {
skipComment = extra.skipComment;
}
if (typeof extra.scanRegExp === 'function') {
advance = extra.advance;
scanRegExp = extra.scanRegExp;
}
}
// This is used to modify the delegate.
function extend(object, properties) {
var entry, result = {};
for (entry in object) {
if (object.hasOwnProperty(entry)) {
result[entry] = object[entry];
}
}
for (entry in properties) {
if (properties.hasOwnProperty(entry)) {
result[entry] = properties[entry];
}
}
return result;
}
function tokenize(code, options) {
var toString,
token,
tokens;
toString = String;
if (typeof code !== 'string' && !(code instanceof String)) {
code = toString(code);
}
delegate = SyntaxTreeDelegate;
source = code;
index = 0;
lineNumber = (source.length > 0) ? 1 : 0;
lineStart = 0;
length = source.length;
lookahead = null;
state = {
allowKeyword: true,
allowIn: true,
labelSet: {},
inFunctionBody: false,
inIteration: false,
inSwitch: false,
lastCommentStart: -1
};
extra = {};
// Options matching.
options = options || {};
// Of course we collect tokens here.
options.tokens = true;
extra.tokens = [];
extra.tokenize = true;
// The following two fields are necessary to compute the Regex tokens.
extra.openParenToken = -1;
extra.openCurlyToken = -1;
extra.range = (typeof options.range === 'boolean') && options.range;
extra.loc = (typeof options.loc === 'boolean') && options.loc;
if (typeof options.comment === 'boolean' && options.comment) {
extra.comments = [];
}
if (typeof options.tolerant === 'boolean' && options.tolerant) {
extra.errors = [];
}
if (length > 0) {
if (typeof source[0] === 'undefined') {
// Try first to convert to a string. This is good as fast path
// for old IE which understands string indexing for string
// literals only and not for string object.
if (code instanceof String) {
source = code.valueOf();
}
}
}
patch();
try {
peek();
if (lookahead.type === Token.EOF) {
return extra.tokens;
}
token = lex();
while (lookahead.type !== Token.EOF) {
try {
token = lex();
} catch (lexError) {
token = lookahead;
if (extra.errors) {
extra.errors.push(lexError);
// We have to break on the first error
// to avoid infinite loops.
break;
} else {
throw lexError;
}
}
}
filterTokenLocation();
tokens = extra.tokens;
if (typeof extra.comments !== 'undefined') {
tokens.comments = extra.comments;
}
if (typeof extra.errors !== 'undefined') {
tokens.errors = extra.errors;
}
} catch (e) {
throw e;
} finally {
unpatch();
extra = {};
}
return tokens;
}
function parse(code, options) {
var program, toString;
toString = String;
if (typeof code !== 'string' && !(code instanceof String)) {
code = toString(code);
}
delegate = SyntaxTreeDelegate;
source = code;
index = 0;
lineNumber = (source.length > 0) ? 1 : 0;
lineStart = 0;
length = source.length;
lookahead = null;
state = {
allowKeyword: false,
allowIn: true,
labelSet: {},
parenthesizedCount: 0,
inFunctionBody: false,
inIteration: false,
inSwitch: false,
inXJSChild: false,
inXJSTag: false,
lastCommentStart: -1,
yieldAllowed: false
};
extra = {};
if (typeof options !== 'undefined') {
extra.range = (typeof options.range === 'boolean') && options.range;
extra.loc = (typeof options.loc === 'boolean') && options.loc;
if (extra.loc && options.source !== null && options.source !== undefined) {
delegate = extend(delegate, {
'postProcess': function (node) {
node.loc.source = toString(options.source);
return node;
}
});
}
if (typeof options.tokens === 'boolean' && options.tokens) {
extra.tokens = [];
}
if (typeof options.comment === 'boolean' && options.comment) {
extra.comments = [];
}
if (typeof options.tolerant === 'boolean' && options.tolerant) {
extra.errors = [];
}
}
if (length > 0) {
if (typeof source[0] === 'undefined') {
// Try first to convert to a string. This is good as fast path
// for old IE which understands string indexing for string
// literals only and not for string object.
if (code instanceof String) {
source = code.valueOf();
}
}
}
patch();
try {
program = parseProgram();
if (typeof extra.comments !== 'undefined') {
program.comments = extra.comments;
}
if (typeof extra.tokens !== 'undefined') {
filterTokenLocation();
program.tokens = extra.tokens;
}
if (typeof extra.errors !== 'undefined') {
program.errors = extra.errors;
}
} catch (e) {
throw e;
} finally {
unpatch();
extra = {};
}
return program;
}
// Sync with *.json manifests.
exports.version = '4001.3001.0000-dev-harmony-fb';
exports.tokenize = tokenize;
exports.parse = parse;
// Deep copy.
exports.Syntax = (function () {
var name, types = {};
if (typeof Object.create === 'function') {
types = Object.create(null);
}
for (name in Syntax) {
if (Syntax.hasOwnProperty(name)) {
types[name] = Syntax[name];
}
}
if (typeof Object.freeze === 'function') {
Object.freeze(types);
}
return types;
}());
}));
/* vim: set sw=4 ts=4 et tw=80 : */
},{}],7:[function(_dereq_,module,exports){
var Base62 = (function (my) {
my.chars = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"]
my.encode = function(i){
if (i === 0) {return '0'}
var s = ''
while (i > 0) {
s = this.chars[i % 62] + s
i = Math.floor(i/62)
}
return s
};
my.decode = function(a,b,c,d){
for (
b = c = (
a === (/\W|_|^$/.test(a += "") || a)
) - 1;
d = a.charCodeAt(c++);
)
b = b * 62 + d - [, 48, 29, 87][d >> 5];
return b
};
return my;
}({}));
module.exports = Base62
},{}],8:[function(_dereq_,module,exports){
/*
* Copyright 2009-2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE.txt or:
* http://opensource.org/licenses/BSD-3-Clause
*/
exports.SourceMapGenerator = _dereq_('./source-map/source-map-generator').SourceMapGenerator;
exports.SourceMapConsumer = _dereq_('./source-map/source-map-consumer').SourceMapConsumer;
exports.SourceNode = _dereq_('./source-map/source-node').SourceNode;
},{"./source-map/source-map-consumer":13,"./source-map/source-map-generator":14,"./source-map/source-node":15}],9:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
var util = _dereq_('./util');
/**
* A data structure which is a combination of an array and a set. Adding a new
* member is O(1), testing for membership is O(1), and finding the index of an
* element is O(1). Removing elements from the set is not supported. Only
* strings are supported for membership.
*/
function ArraySet() {
this._array = [];
this._set = {};
}
/**
* Static method for creating ArraySet instances from an existing array.
*/
ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
var set = new ArraySet();
for (var i = 0, len = aArray.length; i < len; i++) {
set.add(aArray[i], aAllowDuplicates);
}
return set;
};
/**
* Add the given string to this set.
*
* @param String aStr
*/
ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
var isDuplicate = this.has(aStr);
var idx = this._array.length;
if (!isDuplicate || aAllowDuplicates) {
this._array.push(aStr);
}
if (!isDuplicate) {
this._set[util.toSetString(aStr)] = idx;
}
};
/**
* Is the given string a member of this set?
*
* @param String aStr
*/
ArraySet.prototype.has = function ArraySet_has(aStr) {
return Object.prototype.hasOwnProperty.call(this._set,
util.toSetString(aStr));
};
/**
* What is the index of the given string in the array?
*
* @param String aStr
*/
ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
if (this.has(aStr)) {
return this._set[util.toSetString(aStr)];
}
throw new Error('"' + aStr + '" is not in the set.');
};
/**
* What is the element at the given index?
*
* @param Number aIdx
*/
ArraySet.prototype.at = function ArraySet_at(aIdx) {
if (aIdx >= 0 && aIdx < this._array.length) {
return this._array[aIdx];
}
throw new Error('No element indexed by ' + aIdx);
};
/**
* Returns the array representation of this set (which has the proper indices
* indicated by indexOf). Note that this is a copy of the internal array used
* for storing the members so that no one can mess with internal state.
*/
ArraySet.prototype.toArray = function ArraySet_toArray() {
return this._array.slice();
};
exports.ArraySet = ArraySet;
});
},{"./util":16,"amdefine":17}],10:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*
* Based on the Base 64 VLQ implementation in Closure Compiler:
* https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
*
* Copyright 2011 The Closure Compiler Authors. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
var base64 = _dereq_('./base64');
// A single base 64 digit can contain 6 bits of data. For the base 64 variable
// length quantities we use in the source map spec, the first bit is the sign,
// the next four bits are the actual value, and the 6th bit is the
// continuation bit. The continuation bit tells us whether there are more
// digits in this value following this digit.
//
// Continuation
// | Sign
// | |
// V V
// 101011
var VLQ_BASE_SHIFT = 5;
// binary: 100000
var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
// binary: 011111
var VLQ_BASE_MASK = VLQ_BASE - 1;
// binary: 100000
var VLQ_CONTINUATION_BIT = VLQ_BASE;
/**
* Converts from a two-complement value to a value where the sign bit is
* is placed in the least significant bit. For example, as decimals:
* 1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
* 2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
*/
function toVLQSigned(aValue) {
return aValue < 0
? ((-aValue) << 1) + 1
: (aValue << 1) + 0;
}
/**
* Converts to a two-complement value from a value where the sign bit is
* is placed in the least significant bit. For example, as decimals:
* 2 (10 binary) becomes 1, 3 (11 binary) becomes -1
* 4 (100 binary) becomes 2, 5 (101 binary) becomes -2
*/
function fromVLQSigned(aValue) {
var isNegative = (aValue & 1) === 1;
var shifted = aValue >> 1;
return isNegative
? -shifted
: shifted;
}
/**
* Returns the base 64 VLQ encoded value.
*/
exports.encode = function base64VLQ_encode(aValue) {
var encoded = "";
var digit;
var vlq = toVLQSigned(aValue);
do {
digit = vlq & VLQ_BASE_MASK;
vlq >>>= VLQ_BASE_SHIFT;
if (vlq > 0) {
// There are still more digits in this value, so we must make sure the
// continuation bit is marked.
digit |= VLQ_CONTINUATION_BIT;
}
encoded += base64.encode(digit);
} while (vlq > 0);
return encoded;
};
/**
* Decodes the next base 64 VLQ value from the given string and returns the
* value and the rest of the string.
*/
exports.decode = function base64VLQ_decode(aStr) {
var i = 0;
var strLen = aStr.length;
var result = 0;
var shift = 0;
var continuation, digit;
do {
if (i >= strLen) {
throw new Error("Expected more digits in base 64 VLQ value.");
}
digit = base64.decode(aStr.charAt(i++));
continuation = !!(digit & VLQ_CONTINUATION_BIT);
digit &= VLQ_BASE_MASK;
result = result + (digit << shift);
shift += VLQ_BASE_SHIFT;
} while (continuation);
return {
value: fromVLQSigned(result),
rest: aStr.slice(i)
};
};
});
},{"./base64":11,"amdefine":17}],11:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
var charToIntMap = {};
var intToCharMap = {};
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
.split('')
.forEach(function (ch, index) {
charToIntMap[ch] = index;
intToCharMap[index] = ch;
});
/**
* Encode an integer in the range of 0 to 63 to a single base 64 digit.
*/
exports.encode = function base64_encode(aNumber) {
if (aNumber in intToCharMap) {
return intToCharMap[aNumber];
}
throw new TypeError("Must be between 0 and 63: " + aNumber);
};
/**
* Decode a single base 64 digit to an integer.
*/
exports.decode = function base64_decode(aChar) {
if (aChar in charToIntMap) {
return charToIntMap[aChar];
}
throw new TypeError("Not a valid base 64 digit: " + aChar);
};
});
},{"amdefine":17}],12:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
/**
* Recursive implementation of binary search.
*
* @param aLow Indices here and lower do not contain the needle.
* @param aHigh Indices here and higher do not contain the needle.
* @param aNeedle The element being searched for.
* @param aHaystack The non-empty array being searched.
* @param aCompare Function which takes two elements and returns -1, 0, or 1.
*/
function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare) {
// This function terminates when one of the following is true:
//
// 1. We find the exact element we are looking for.
//
// 2. We did not find the exact element, but we can return the next
// closest element that is less than that element.
//
// 3. We did not find the exact element, and there is no next-closest
// element which is less than the one we are searching for, so we
// return null.
var mid = Math.floor((aHigh - aLow) / 2) + aLow;
var cmp = aCompare(aNeedle, aHaystack[mid], true);
if (cmp === 0) {
// Found the element we are looking for.
return aHaystack[mid];
}
else if (cmp > 0) {
// aHaystack[mid] is greater than our needle.
if (aHigh - mid > 1) {
// The element is in the upper half.
return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare);
}
// We did not find an exact match, return the next closest one
// (termination case 2).
return aHaystack[mid];
}
else {
// aHaystack[mid] is less than our needle.
if (mid - aLow > 1) {
// The element is in the lower half.
return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare);
}
// The exact needle element was not found in this haystack. Determine if
// we are in termination case (2) or (3) and return the appropriate thing.
return aLow < 0
? null
: aHaystack[aLow];
}
}
/**
* This is an implementation of binary search which will always try and return
* the next lowest value checked if there is no exact hit. This is because
* mappings between original and generated line/col pairs are single points,
* and there is an implicit region between each of them, so a miss just means
* that you aren't on the very start of a region.
*
* @param aNeedle The element you are looking for.
* @param aHaystack The array that is being searched.
* @param aCompare A function which takes the needle and an element in the
* array and returns -1, 0, or 1 depending on whether the needle is less
* than, equal to, or greater than the element, respectively.
*/
exports.search = function search(aNeedle, aHaystack, aCompare) {
return aHaystack.length > 0
? recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare)
: null;
};
});
},{"amdefine":17}],13:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
var util = _dereq_('./util');
var binarySearch = _dereq_('./binary-search');
var ArraySet = _dereq_('./array-set').ArraySet;
var base64VLQ = _dereq_('./base64-vlq');
/**
* A SourceMapConsumer instance represents a parsed source map which we can
* query for information about the original file positions by giving it a file
* position in the generated source.
*
* The only parameter is the raw source map (either as a JSON string, or
* already parsed to an object). According to the spec, source maps have the
* following attributes:
*
* - version: Which version of the source map spec this map is following.
* - sources: An array of URLs to the original source files.
* - names: An array of identifiers which can be referrenced by individual mappings.
* - sourceRoot: Optional. The URL root from which all sources are relative.
* - sourcesContent: Optional. An array of contents of the original source files.
* - mappings: A string of base64 VLQs which contain the actual mappings.
* - file: The generated file this source map is associated with.
*
* Here is an example source map, taken from the source map spec[0]:
*
* {
* version : 3,
* file: "out.js",
* sourceRoot : "",
* sources: ["foo.js", "bar.js"],
* names: ["src", "maps", "are", "fun"],
* mappings: "AA,AB;;ABCDE;"
* }
*
* [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
*/
function SourceMapConsumer(aSourceMap) {
var sourceMap = aSourceMap;
if (typeof aSourceMap === 'string') {
sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
}
var version = util.getArg(sourceMap, 'version');
var sources = util.getArg(sourceMap, 'sources');
// Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
// requires the array) to play nice here.
var names = util.getArg(sourceMap, 'names', []);
var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
var mappings = util.getArg(sourceMap, 'mappings');
var file = util.getArg(sourceMap, 'file', null);
// Once again, Sass deviates from the spec and supplies the version as a
// string rather than a number, so we use loose equality checking here.
if (version != this._version) {
throw new Error('Unsupported version: ' + version);
}
// Pass `true` below to allow duplicate names and sources. While source maps
// are intended to be compressed and deduplicated, the TypeScript compiler
// sometimes generates source maps with duplicates in them. See Github issue
// #72 and bugzil.la/889492.
this._names = ArraySet.fromArray(names, true);
this._sources = ArraySet.fromArray(sources, true);
this.sourceRoot = sourceRoot;
this.sourcesContent = sourcesContent;
this._mappings = mappings;
this.file = file;
}
/**
* Create a SourceMapConsumer from a SourceMapGenerator.
*
* @param SourceMapGenerator aSourceMap
* The source map that will be consumed.
* @returns SourceMapConsumer
*/
SourceMapConsumer.fromSourceMap =
function SourceMapConsumer_fromSourceMap(aSourceMap) {
var smc = Object.create(SourceMapConsumer.prototype);
smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
smc.sourceRoot = aSourceMap._sourceRoot;
smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
smc.sourceRoot);
smc.file = aSourceMap._file;
smc.__generatedMappings = aSourceMap._mappings.slice()
.sort(util.compareByGeneratedPositions);
smc.__originalMappings = aSourceMap._mappings.slice()
.sort(util.compareByOriginalPositions);
return smc;
};
/**
* The version of the source mapping spec that we are consuming.
*/
SourceMapConsumer.prototype._version = 3;
/**
* The list of original sources.
*/
Object.defineProperty(SourceMapConsumer.prototype, 'sources', {
get: function () {
return this._sources.toArray().map(function (s) {
return this.sourceRoot ? util.join(this.sourceRoot, s) : s;
}, this);
}
});
// `__generatedMappings` and `__originalMappings` are arrays that hold the
// parsed mapping coordinates from the source map's "mappings" attribute. They
// are lazily instantiated, accessed via the `_generatedMappings` and
// `_originalMappings` getters respectively, and we only parse the mappings
// and create these arrays once queried for a source location. We jump through
// these hoops because there can be many thousands of mappings, and parsing
// them is expensive, so we only want to do it if we must.
//
// Each object in the arrays is of the form:
//
// {
// generatedLine: The line number in the generated code,
// generatedColumn: The column number in the generated code,
// source: The path to the original source file that generated this
// chunk of code,
// originalLine: The line number in the original source that
// corresponds to this chunk of generated code,
// originalColumn: The column number in the original source that
// corresponds to this chunk of generated code,
// name: The name of the original symbol which generated this chunk of
// code.
// }
//
// All properties except for `generatedLine` and `generatedColumn` can be
// `null`.
//
// `_generatedMappings` is ordered by the generated positions.
//
// `_originalMappings` is ordered by the original positions.
SourceMapConsumer.prototype.__generatedMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
get: function () {
if (!this.__generatedMappings) {
this.__generatedMappings = [];
this.__originalMappings = [];
this._parseMappings(this._mappings, this.sourceRoot);
}
return this.__generatedMappings;
}
});
SourceMapConsumer.prototype.__originalMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
get: function () {
if (!this.__originalMappings) {
this.__generatedMappings = [];
this.__originalMappings = [];
this._parseMappings(this._mappings, this.sourceRoot);
}
return this.__originalMappings;
}
});
/**
* Parse the mappings in a string in to a data structure which we can easily
* query (the ordered arrays in the `this.__generatedMappings` and
* `this.__originalMappings` properties).
*/
SourceMapConsumer.prototype._parseMappings =
function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
var generatedLine = 1;
var previousGeneratedColumn = 0;
var previousOriginalLine = 0;
var previousOriginalColumn = 0;
var previousSource = 0;
var previousName = 0;
var mappingSeparator = /^[,;]/;
var str = aStr;
var mapping;
var temp;
while (str.length > 0) {
if (str.charAt(0) === ';') {
generatedLine++;
str = str.slice(1);
previousGeneratedColumn = 0;
}
else if (str.charAt(0) === ',') {
str = str.slice(1);
}
else {
mapping = {};
mapping.generatedLine = generatedLine;
// Generated column.
temp = base64VLQ.decode(str);
mapping.generatedColumn = previousGeneratedColumn + temp.value;
previousGeneratedColumn = mapping.generatedColumn;
str = temp.rest;
if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) {
// Original source.
temp = base64VLQ.decode(str);
mapping.source = this._sources.at(previousSource + temp.value);
previousSource += temp.value;
str = temp.rest;
if (str.length === 0 || mappingSeparator.test(str.charAt(0))) {
throw new Error('Found a source, but no line and column');
}
// Original line.
temp = base64VLQ.decode(str);
mapping.originalLine = previousOriginalLine + temp.value;
previousOriginalLine = mapping.originalLine;
// Lines are stored 0-based
mapping.originalLine += 1;
str = temp.rest;
if (str.length === 0 || mappingSeparator.test(str.charAt(0))) {
throw new Error('Found a source and line, but no column');
}
// Original column.
temp = base64VLQ.decode(str);
mapping.originalColumn = previousOriginalColumn + temp.value;
previousOriginalColumn = mapping.originalColumn;
str = temp.rest;
if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) {
// Original name.
temp = base64VLQ.decode(str);
mapping.name = this._names.at(previousName + temp.value);
previousName += temp.value;
str = temp.rest;
}
}
this.__generatedMappings.push(mapping);
if (typeof mapping.originalLine === 'number') {
this.__originalMappings.push(mapping);
}
}
}
this.__originalMappings.sort(util.compareByOriginalPositions);
};
/**
* Find the mapping that best matches the hypothetical "needle" mapping that
* we are searching for in the given "haystack" of mappings.
*/
SourceMapConsumer.prototype._findMapping =
function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
aColumnName, aComparator) {
// To return the position we are searching for, we must first find the
// mapping for the given position and then return the opposite position it
// points to. Because the mappings are sorted, we can use binary search to
// find the best mapping.
if (aNeedle[aLineName] <= 0) {
throw new TypeError('Line must be greater than or equal to 1, got '
+ aNeedle[aLineName]);
}
if (aNeedle[aColumnName] < 0) {
throw new TypeError('Column must be greater than or equal to 0, got '
+ aNeedle[aColumnName]);
}
return binarySearch.search(aNeedle, aMappings, aComparator);
};
/**
* Returns the original source, line, and column information for the generated
* source's line and column positions provided. The only argument is an object
* with the following properties:
*
* - line: The line number in the generated source.
* - column: The column number in the generated source.
*
* and an object is returned with the following properties:
*
* - source: The original source file, or null.
* - line: The line number in the original source, or null.
* - column: The column number in the original source, or null.
* - name: The original identifier, or null.
*/
SourceMapConsumer.prototype.originalPositionFor =
function SourceMapConsumer_originalPositionFor(aArgs) {
var needle = {
generatedLine: util.getArg(aArgs, 'line'),
generatedColumn: util.getArg(aArgs, 'column')
};
var mapping = this._findMapping(needle,
this._generatedMappings,
"generatedLine",
"generatedColumn",
util.compareByGeneratedPositions);
if (mapping) {
var source = util.getArg(mapping, 'source', null);
if (source && this.sourceRoot) {
source = util.join(this.sourceRoot, source);
}
return {
source: source,
line: util.getArg(mapping, 'originalLine', null),
column: util.getArg(mapping, 'originalColumn', null),
name: util.getArg(mapping, 'name', null)
};
}
return {
source: null,
line: null,
column: null,
name: null
};
};
/**
* Returns the original source content. The only argument is the url of the
* original source file. Returns null if no original source content is
* availible.
*/
SourceMapConsumer.prototype.sourceContentFor =
function SourceMapConsumer_sourceContentFor(aSource) {
if (!this.sourcesContent) {
return null;
}
if (this.sourceRoot) {
aSource = util.relative(this.sourceRoot, aSource);
}
if (this._sources.has(aSource)) {
return this.sourcesContent[this._sources.indexOf(aSource)];
}
var url;
if (this.sourceRoot
&& (url = util.urlParse(this.sourceRoot))) {
// XXX: file:// URIs and absolute paths lead to unexpected behavior for
// many users. We can help them out when they expect file:// URIs to
// behave like it would if they were running a local HTTP server. See
// https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
if (url.scheme == "file"
&& this._sources.has(fileUriAbsPath)) {
return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
}
if ((!url.path || url.path == "/")
&& this._sources.has("/" + aSource)) {
return this.sourcesContent[this._sources.indexOf("/" + aSource)];
}
}
throw new Error('"' + aSource + '" is not in the SourceMap.');
};
/**
* Returns the generated line and column information for the original source,
* line, and column positions provided. The only argument is an object with
* the following properties:
*
* - source: The filename of the original source.
* - line: The line number in the original source.
* - column: The column number in the original source.
*
* and an object is returned with the following properties:
*
* - line: The line number in the generated source, or null.
* - column: The column number in the generated source, or null.
*/
SourceMapConsumer.prototype.generatedPositionFor =
function SourceMapConsumer_generatedPositionFor(aArgs) {
var needle = {
source: util.getArg(aArgs, 'source'),
originalLine: util.getArg(aArgs, 'line'),
originalColumn: util.getArg(aArgs, 'column')
};
if (this.sourceRoot) {
needle.source = util.relative(this.sourceRoot, needle.source);
}
var mapping = this._findMapping(needle,
this._originalMappings,
"originalLine",
"originalColumn",
util.compareByOriginalPositions);
if (mapping) {
return {
line: util.getArg(mapping, 'generatedLine', null),
column: util.getArg(mapping, 'generatedColumn', null)
};
}
return {
line: null,
column: null
};
};
SourceMapConsumer.GENERATED_ORDER = 1;
SourceMapConsumer.ORIGINAL_ORDER = 2;
/**
* Iterate over each mapping between an original source/line/column and a
* generated line/column in this source map.
*
* @param Function aCallback
* The function that is called with each mapping.
* @param Object aContext
* Optional. If specified, this object will be the value of `this` every
* time that `aCallback` is called.
* @param aOrder
* Either `SourceMapConsumer.GENERATED_ORDER` or
* `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
* iterate over the mappings sorted by the generated file's line/column
* order or the original's source/line/column order, respectively. Defaults to
* `SourceMapConsumer.GENERATED_ORDER`.
*/
SourceMapConsumer.prototype.eachMapping =
function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
var context = aContext || null;
var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
var mappings;
switch (order) {
case SourceMapConsumer.GENERATED_ORDER:
mappings = this._generatedMappings;
break;
case SourceMapConsumer.ORIGINAL_ORDER:
mappings = this._originalMappings;
break;
default:
throw new Error("Unknown order of iteration.");
}
var sourceRoot = this.sourceRoot;
mappings.map(function (mapping) {
var source = mapping.source;
if (source && sourceRoot) {
source = util.join(sourceRoot, source);
}
return {
source: source,
generatedLine: mapping.generatedLine,
generatedColumn: mapping.generatedColumn,
originalLine: mapping.originalLine,
originalColumn: mapping.originalColumn,
name: mapping.name
};
}).forEach(aCallback, context);
};
exports.SourceMapConsumer = SourceMapConsumer;
});
},{"./array-set":9,"./base64-vlq":10,"./binary-search":12,"./util":16,"amdefine":17}],14:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
var base64VLQ = _dereq_('./base64-vlq');
var util = _dereq_('./util');
var ArraySet = _dereq_('./array-set').ArraySet;
/**
* An instance of the SourceMapGenerator represents a source map which is
* being built incrementally. To create a new one, you must pass an object
* with the following properties:
*
* - file: The filename of the generated source.
* - sourceRoot: An optional root for all URLs in this source map.
*/
function SourceMapGenerator(aArgs) {
this._file = util.getArg(aArgs, 'file');
this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
this._sources = new ArraySet();
this._names = new ArraySet();
this._mappings = [];
this._sourcesContents = null;
}
SourceMapGenerator.prototype._version = 3;
/**
* Creates a new SourceMapGenerator based on a SourceMapConsumer
*
* @param aSourceMapConsumer The SourceMap.
*/
SourceMapGenerator.fromSourceMap =
function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
var sourceRoot = aSourceMapConsumer.sourceRoot;
var generator = new SourceMapGenerator({
file: aSourceMapConsumer.file,
sourceRoot: sourceRoot
});
aSourceMapConsumer.eachMapping(function (mapping) {
var newMapping = {
generated: {
line: mapping.generatedLine,
column: mapping.generatedColumn
}
};
if (mapping.source) {
newMapping.source = mapping.source;
if (sourceRoot) {
newMapping.source = util.relative(sourceRoot, newMapping.source);
}
newMapping.original = {
line: mapping.originalLine,
column: mapping.originalColumn
};
if (mapping.name) {
newMapping.name = mapping.name;
}
}
generator.addMapping(newMapping);
});
aSourceMapConsumer.sources.forEach(function (sourceFile) {
var content = aSourceMapConsumer.sourceContentFor(sourceFile);
if (content) {
generator.setSourceContent(sourceFile, content);
}
});
return generator;
};
/**
* Add a single mapping from original source line and column to the generated
* source's line and column for this source map being created. The mapping
* object should have the following properties:
*
* - generated: An object with the generated line and column positions.
* - original: An object with the original line and column positions.
* - source: The original source file (relative to the sourceRoot).
* - name: An optional original token name for this mapping.
*/
SourceMapGenerator.prototype.addMapping =
function SourceMapGenerator_addMapping(aArgs) {
var generated = util.getArg(aArgs, 'generated');
var original = util.getArg(aArgs, 'original', null);
var source = util.getArg(aArgs, 'source', null);
var name = util.getArg(aArgs, 'name', null);
this._validateMapping(generated, original, source, name);
if (source && !this._sources.has(source)) {
this._sources.add(source);
}
if (name && !this._names.has(name)) {
this._names.add(name);
}
this._mappings.push({
generatedLine: generated.line,
generatedColumn: generated.column,
originalLine: original != null && original.line,
originalColumn: original != null && original.column,
source: source,
name: name
});
};
/**
* Set the source content for a source file.
*/
SourceMapGenerator.prototype.setSourceContent =
function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
var source = aSourceFile;
if (this._sourceRoot) {
source = util.relative(this._sourceRoot, source);
}
if (aSourceContent !== null) {
// Add the source content to the _sourcesContents map.
// Create a new _sourcesContents map if the property is null.
if (!this._sourcesContents) {
this._sourcesContents = {};
}
this._sourcesContents[util.toSetString(source)] = aSourceContent;
} else {
// Remove the source file from the _sourcesContents map.
// If the _sourcesContents map is empty, set the property to null.
delete this._sourcesContents[util.toSetString(source)];
if (Object.keys(this._sourcesContents).length === 0) {
this._sourcesContents = null;
}
}
};
/**
* Applies the mappings of a sub-source-map for a specific source file to the
* source map being generated. Each mapping to the supplied source file is
* rewritten using the supplied source map. Note: The resolution for the
* resulting mappings is the minimium of this map and the supplied map.
*
* @param aSourceMapConsumer The source map to be applied.
* @param aSourceFile Optional. The filename of the source file.
* If omitted, SourceMapConsumer's file property will be used.
*/
SourceMapGenerator.prototype.applySourceMap =
function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile) {
// If aSourceFile is omitted, we will use the file property of the SourceMap
if (!aSourceFile) {
aSourceFile = aSourceMapConsumer.file;
}
var sourceRoot = this._sourceRoot;
// Make "aSourceFile" relative if an absolute Url is passed.
if (sourceRoot) {
aSourceFile = util.relative(sourceRoot, aSourceFile);
}
// Applying the SourceMap can add and remove items from the sources and
// the names array.
var newSources = new ArraySet();
var newNames = new ArraySet();
// Find mappings for the "aSourceFile"
this._mappings.forEach(function (mapping) {
if (mapping.source === aSourceFile && mapping.originalLine) {
// Check if it can be mapped by the source map, then update the mapping.
var original = aSourceMapConsumer.originalPositionFor({
line: mapping.originalLine,
column: mapping.originalColumn
});
if (original.source !== null) {
// Copy mapping
if (sourceRoot) {
mapping.source = util.relative(sourceRoot, original.source);
} else {
mapping.source = original.source;
}
mapping.originalLine = original.line;
mapping.originalColumn = original.column;
if (original.name !== null && mapping.name !== null) {
// Only use the identifier name if it's an identifier
// in both SourceMaps
mapping.name = original.name;
}
}
}
var source = mapping.source;
if (source && !newSources.has(source)) {
newSources.add(source);
}
var name = mapping.name;
if (name && !newNames.has(name)) {
newNames.add(name);
}
}, this);
this._sources = newSources;
this._names = newNames;
// Copy sourcesContents of applied map.
aSourceMapConsumer.sources.forEach(function (sourceFile) {
var content = aSourceMapConsumer.sourceContentFor(sourceFile);
if (content) {
if (sourceRoot) {
sourceFile = util.relative(sourceRoot, sourceFile);
}
this.setSourceContent(sourceFile, content);
}
}, this);
};
/**
* A mapping can have one of the three levels of data:
*
* 1. Just the generated position.
* 2. The Generated position, original position, and original source.
* 3. Generated and original position, original source, as well as a name
* token.
*
* To maintain consistency, we validate that any new mapping being added falls
* in to one of these categories.
*/
SourceMapGenerator.prototype._validateMapping =
function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
aName) {
if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
&& aGenerated.line > 0 && aGenerated.column >= 0
&& !aOriginal && !aSource && !aName) {
// Case 1.
return;
}
else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
&& aOriginal && 'line' in aOriginal && 'column' in aOriginal
&& aGenerated.line > 0 && aGenerated.column >= 0
&& aOriginal.line > 0 && aOriginal.column >= 0
&& aSource) {
// Cases 2 and 3.
return;
}
else {
throw new Error('Invalid mapping: ' + JSON.stringify({
generated: aGenerated,
source: aSource,
orginal: aOriginal,
name: aName
}));
}
};
/**
* Serialize the accumulated mappings in to the stream of base 64 VLQs
* specified by the source map format.
*/
SourceMapGenerator.prototype._serializeMappings =
function SourceMapGenerator_serializeMappings() {
var previousGeneratedColumn = 0;
var previousGeneratedLine = 1;
var previousOriginalColumn = 0;
var previousOriginalLine = 0;
var previousName = 0;
var previousSource = 0;
var result = '';
var mapping;
// The mappings must be guaranteed to be in sorted order before we start
// serializing them or else the generated line numbers (which are defined
// via the ';' separators) will be all messed up. Note: it might be more
// performant to maintain the sorting as we insert them, rather than as we
// serialize them, but the big O is the same either way.
this._mappings.sort(util.compareByGeneratedPositions);
for (var i = 0, len = this._mappings.length; i < len; i++) {
mapping = this._mappings[i];
if (mapping.generatedLine !== previousGeneratedLine) {
previousGeneratedColumn = 0;
while (mapping.generatedLine !== previousGeneratedLine) {
result += ';';
previousGeneratedLine++;
}
}
else {
if (i > 0) {
if (!util.compareByGeneratedPositions(mapping, this._mappings[i - 1])) {
continue;
}
result += ',';
}
}
result += base64VLQ.encode(mapping.generatedColumn
- previousGeneratedColumn);
previousGeneratedColumn = mapping.generatedColumn;
if (mapping.source) {
result += base64VLQ.encode(this._sources.indexOf(mapping.source)
- previousSource);
previousSource = this._sources.indexOf(mapping.source);
// lines are stored 0-based in SourceMap spec version 3
result += base64VLQ.encode(mapping.originalLine - 1
- previousOriginalLine);
previousOriginalLine = mapping.originalLine - 1;
result += base64VLQ.encode(mapping.originalColumn
- previousOriginalColumn);
previousOriginalColumn = mapping.originalColumn;
if (mapping.name) {
result += base64VLQ.encode(this._names.indexOf(mapping.name)
- previousName);
previousName = this._names.indexOf(mapping.name);
}
}
}
return result;
};
SourceMapGenerator.prototype._generateSourcesContent =
function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
return aSources.map(function (source) {
if (!this._sourcesContents) {
return null;
}
if (aSourceRoot) {
source = util.relative(aSourceRoot, source);
}
var key = util.toSetString(source);
return Object.prototype.hasOwnProperty.call(this._sourcesContents,
key)
? this._sourcesContents[key]
: null;
}, this);
};
/**
* Externalize the source map.
*/
SourceMapGenerator.prototype.toJSON =
function SourceMapGenerator_toJSON() {
var map = {
version: this._version,
file: this._file,
sources: this._sources.toArray(),
names: this._names.toArray(),
mappings: this._serializeMappings()
};
if (this._sourceRoot) {
map.sourceRoot = this._sourceRoot;
}
if (this._sourcesContents) {
map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
}
return map;
};
/**
* Render the source map being generated to a string.
*/
SourceMapGenerator.prototype.toString =
function SourceMapGenerator_toString() {
return JSON.stringify(this);
};
exports.SourceMapGenerator = SourceMapGenerator;
});
},{"./array-set":9,"./base64-vlq":10,"./util":16,"amdefine":17}],15:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
var SourceMapGenerator = _dereq_('./source-map-generator').SourceMapGenerator;
var util = _dereq_('./util');
/**
* SourceNodes provide a way to abstract over interpolating/concatenating
* snippets of generated JavaScript source code while maintaining the line and
* column information associated with the original source code.
*
* @param aLine The original line number.
* @param aColumn The original column number.
* @param aSource The original source's filename.
* @param aChunks Optional. An array of strings which are snippets of
* generated JS, or other SourceNodes.
* @param aName The original identifier.
*/
function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
this.children = [];
this.sourceContents = {};
this.line = aLine === undefined ? null : aLine;
this.column = aColumn === undefined ? null : aColumn;
this.source = aSource === undefined ? null : aSource;
this.name = aName === undefined ? null : aName;
if (aChunks != null) this.add(aChunks);
}
/**
* Creates a SourceNode from generated code and a SourceMapConsumer.
*
* @param aGeneratedCode The generated code
* @param aSourceMapConsumer The SourceMap for the generated code
*/
SourceNode.fromStringWithSourceMap =
function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer) {
// The SourceNode we want to fill with the generated code
// and the SourceMap
var node = new SourceNode();
// The generated code
// Processed fragments are removed from this array.
var remainingLines = aGeneratedCode.split('\n');
// We need to remember the position of "remainingLines"
var lastGeneratedLine = 1, lastGeneratedColumn = 0;
// The generate SourceNodes we need a code range.
// To extract it current and last mapping is used.
// Here we store the last mapping.
var lastMapping = null;
aSourceMapConsumer.eachMapping(function (mapping) {
if (lastMapping === null) {
// We add the generated code until the first mapping
// to the SourceNode without any mapping.
// Each line is added as separate string.
while (lastGeneratedLine < mapping.generatedLine) {
node.add(remainingLines.shift() + "\n");
lastGeneratedLine++;
}
if (lastGeneratedColumn < mapping.generatedColumn) {
var nextLine = remainingLines[0];
node.add(nextLine.substr(0, mapping.generatedColumn));
remainingLines[0] = nextLine.substr(mapping.generatedColumn);
lastGeneratedColumn = mapping.generatedColumn;
}
} else {
// We add the code from "lastMapping" to "mapping":
// First check if there is a new line in between.
if (lastGeneratedLine < mapping.generatedLine) {
var code = "";
// Associate full lines with "lastMapping"
do {
code += remainingLines.shift() + "\n";
lastGeneratedLine++;
lastGeneratedColumn = 0;
} while (lastGeneratedLine < mapping.generatedLine);
// When we reached the correct line, we add code until we
// reach the correct column too.
if (lastGeneratedColumn < mapping.generatedColumn) {
var nextLine = remainingLines[0];
code += nextLine.substr(0, mapping.generatedColumn);
remainingLines[0] = nextLine.substr(mapping.generatedColumn);
lastGeneratedColumn = mapping.generatedColumn;
}
// Create the SourceNode.
addMappingWithCode(lastMapping, code);
} else {
// There is no new line in between.
// Associate the code between "lastGeneratedColumn" and
// "mapping.generatedColumn" with "lastMapping"
var nextLine = remainingLines[0];
var code = nextLine.substr(0, mapping.generatedColumn -
lastGeneratedColumn);
remainingLines[0] = nextLine.substr(mapping.generatedColumn -
lastGeneratedColumn);
lastGeneratedColumn = mapping.generatedColumn;
addMappingWithCode(lastMapping, code);
}
}
lastMapping = mapping;
}, this);
// We have processed all mappings.
// Associate the remaining code in the current line with "lastMapping"
// and add the remaining lines without any mapping
addMappingWithCode(lastMapping, remainingLines.join("\n"));
// Copy sourcesContent into SourceNode
aSourceMapConsumer.sources.forEach(function (sourceFile) {
var content = aSourceMapConsumer.sourceContentFor(sourceFile);
if (content) {
node.setSourceContent(sourceFile, content);
}
});
return node;
function addMappingWithCode(mapping, code) {
if (mapping === null || mapping.source === undefined) {
node.add(code);
} else {
node.add(new SourceNode(mapping.originalLine,
mapping.originalColumn,
mapping.source,
code,
mapping.name));
}
}
};
/**
* Add a chunk of generated JS to this source node.
*
* @param aChunk A string snippet of generated JS code, another instance of
* SourceNode, or an array where each member is one of those things.
*/
SourceNode.prototype.add = function SourceNode_add(aChunk) {
if (Array.isArray(aChunk)) {
aChunk.forEach(function (chunk) {
this.add(chunk);
}, this);
}
else if (aChunk instanceof SourceNode || typeof aChunk === "string") {
if (aChunk) {
this.children.push(aChunk);
}
}
else {
throw new TypeError(
"Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
);
}
return this;
};
/**
* Add a chunk of generated JS to the beginning of this source node.
*
* @param aChunk A string snippet of generated JS code, another instance of
* SourceNode, or an array where each member is one of those things.
*/
SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
if (Array.isArray(aChunk)) {
for (var i = aChunk.length-1; i >= 0; i--) {
this.prepend(aChunk[i]);
}
}
else if (aChunk instanceof SourceNode || typeof aChunk === "string") {
this.children.unshift(aChunk);
}
else {
throw new TypeError(
"Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
);
}
return this;
};
/**
* Walk over the tree of JS snippets in this node and its children. The
* walking function is called once for each snippet of JS and is passed that
* snippet and the its original associated source's line/column location.
*
* @param aFn The traversal function.
*/
SourceNode.prototype.walk = function SourceNode_walk(aFn) {
var chunk;
for (var i = 0, len = this.children.length; i < len; i++) {
chunk = this.children[i];
if (chunk instanceof SourceNode) {
chunk.walk(aFn);
}
else {
if (chunk !== '') {
aFn(chunk, { source: this.source,
line: this.line,
column: this.column,
name: this.name });
}
}
}
};
/**
* Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
* each of `this.children`.
*
* @param aSep The separator.
*/
SourceNode.prototype.join = function SourceNode_join(aSep) {
var newChildren;
var i;
var len = this.children.length;
if (len > 0) {
newChildren = [];
for (i = 0; i < len-1; i++) {
newChildren.push(this.children[i]);
newChildren.push(aSep);
}
newChildren.push(this.children[i]);
this.children = newChildren;
}
return this;
};
/**
* Call String.prototype.replace on the very right-most source snippet. Useful
* for trimming whitespace from the end of a source node, etc.
*
* @param aPattern The pattern to replace.
* @param aReplacement The thing to replace the pattern with.
*/
SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
var lastChild = this.children[this.children.length - 1];
if (lastChild instanceof SourceNode) {
lastChild.replaceRight(aPattern, aReplacement);
}
else if (typeof lastChild === 'string') {
this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
}
else {
this.children.push(''.replace(aPattern, aReplacement));
}
return this;
};
/**
* Set the source content for a source file. This will be added to the SourceMapGenerator
* in the sourcesContent field.
*
* @param aSourceFile The filename of the source file
* @param aSourceContent The content of the source file
*/
SourceNode.prototype.setSourceContent =
function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
};
/**
* Walk over the tree of SourceNodes. The walking function is called for each
* source file content and is passed the filename and source content.
*
* @param aFn The traversal function.
*/
SourceNode.prototype.walkSourceContents =
function SourceNode_walkSourceContents(aFn) {
for (var i = 0, len = this.children.length; i < len; i++) {
if (this.children[i] instanceof SourceNode) {
this.children[i].walkSourceContents(aFn);
}
}
var sources = Object.keys(this.sourceContents);
for (var i = 0, len = sources.length; i < len; i++) {
aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
}
};
/**
* Return the string representation of this source node. Walks over the tree
* and concatenates all the various snippets together to one string.
*/
SourceNode.prototype.toString = function SourceNode_toString() {
var str = "";
this.walk(function (chunk) {
str += chunk;
});
return str;
};
/**
* Returns the string representation of this source node along with a source
* map.
*/
SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
var generated = {
code: "",
line: 1,
column: 0
};
var map = new SourceMapGenerator(aArgs);
var sourceMappingActive = false;
var lastOriginalSource = null;
var lastOriginalLine = null;
var lastOriginalColumn = null;
var lastOriginalName = null;
this.walk(function (chunk, original) {
generated.code += chunk;
if (original.source !== null
&& original.line !== null
&& original.column !== null) {
if(lastOriginalSource !== original.source
|| lastOriginalLine !== original.line
|| lastOriginalColumn !== original.column
|| lastOriginalName !== original.name) {
map.addMapping({
source: original.source,
original: {
line: original.line,
column: original.column
},
generated: {
line: generated.line,
column: generated.column
},
name: original.name
});
}
lastOriginalSource = original.source;
lastOriginalLine = original.line;
lastOriginalColumn = original.column;
lastOriginalName = original.name;
sourceMappingActive = true;
} else if (sourceMappingActive) {
map.addMapping({
generated: {
line: generated.line,
column: generated.column
}
});
lastOriginalSource = null;
sourceMappingActive = false;
}
chunk.split('').forEach(function (ch) {
if (ch === '\n') {
generated.line++;
generated.column = 0;
} else {
generated.column++;
}
});
});
this.walkSourceContents(function (sourceFile, sourceContent) {
map.setSourceContent(sourceFile, sourceContent);
});
return { code: generated.code, map: map };
};
exports.SourceNode = SourceNode;
});
},{"./source-map-generator":14,"./util":16,"amdefine":17}],16:[function(_dereq_,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = _dereq_('amdefine')(module, _dereq_);
}
define(function (_dereq_, exports, module) {
/**
* This is a helper function for getting values from parameter/options
* objects.
*
* @param args The object we are extracting values from
* @param name The name of the property we are getting.
* @param defaultValue An optional value to return if the property is missing
* from the object. If this is not specified and the property is missing, an
* error will be thrown.
*/
function getArg(aArgs, aName, aDefaultValue) {
if (aName in aArgs) {
return aArgs[aName];
} else if (arguments.length === 3) {
return aDefaultValue;
} else {
throw new Error('"' + aName + '" is a required argument.');
}
}
exports.getArg = getArg;
var urlRegexp = /([\w+\-.]+):\/\/((\w+:\w+)@)?([\w.]+)?(:(\d+))?(\S+)?/;
var dataUrlRegexp = /^data:.+\,.+/;
function urlParse(aUrl) {
var match = aUrl.match(urlRegexp);
if (!match) {
return null;
}
return {
scheme: match[1],
auth: match[3],
host: match[4],
port: match[6],
path: match[7]
};
}
exports.urlParse = urlParse;
function urlGenerate(aParsedUrl) {
var url = aParsedUrl.scheme + "://";
if (aParsedUrl.auth) {
url += aParsedUrl.auth + "@"
}
if (aParsedUrl.host) {
url += aParsedUrl.host;
}
if (aParsedUrl.port) {
url += ":" + aParsedUrl.port
}
if (aParsedUrl.path) {
url += aParsedUrl.path;
}
return url;
}
exports.urlGenerate = urlGenerate;
function join(aRoot, aPath) {
var url;
if (aPath.match(urlRegexp) || aPath.match(dataUrlRegexp)) {
return aPath;
}
if (aPath.charAt(0) === '/' && (url = urlParse(aRoot))) {
url.path = aPath;
return urlGenerate(url);
}
return aRoot.replace(/\/$/, '') + '/' + aPath;
}
exports.join = join;
/**
* Because behavior goes wacky when you set `__proto__` on objects, we
* have to prefix all the strings in our set with an arbitrary character.
*
* See https://github.com/mozilla/source-map/pull/31 and
* https://github.com/mozilla/source-map/issues/30
*
* @param String aStr
*/
function toSetString(aStr) {
return '$' + aStr;
}
exports.toSetString = toSetString;
function fromSetString(aStr) {
return aStr.substr(1);
}
exports.fromSetString = fromSetString;
function relative(aRoot, aPath) {
aRoot = aRoot.replace(/\/$/, '');
var url = urlParse(aRoot);
if (aPath.charAt(0) == "/" && url && url.path == "/") {
return aPath.slice(1);
}
return aPath.indexOf(aRoot + '/') === 0
? aPath.substr(aRoot.length + 1)
: aPath;
}
exports.relative = relative;
function strcmp(aStr1, aStr2) {
var s1 = aStr1 || "";
var s2 = aStr2 || "";
return (s1 > s2) - (s1 < s2);
}
/**
* Comparator between two mappings where the original positions are compared.
*
* Optionally pass in `true` as `onlyCompareGenerated` to consider two
* mappings with the same original source/line/column, but different generated
* line and column the same. Useful when searching for a mapping with a
* stubbed out mapping.
*/
function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
var cmp;
cmp = strcmp(mappingA.source, mappingB.source);
if (cmp) {
return cmp;
}
cmp = mappingA.originalLine - mappingB.originalLine;
if (cmp) {
return cmp;
}
cmp = mappingA.originalColumn - mappingB.originalColumn;
if (cmp || onlyCompareOriginal) {
return cmp;
}
cmp = strcmp(mappingA.name, mappingB.name);
if (cmp) {
return cmp;
}
cmp = mappingA.generatedLine - mappingB.generatedLine;
if (cmp) {
return cmp;
}
return mappingA.generatedColumn - mappingB.generatedColumn;
};
exports.compareByOriginalPositions = compareByOriginalPositions;
/**
* Comparator between two mappings where the generated positions are
* compared.
*
* Optionally pass in `true` as `onlyCompareGenerated` to consider two
* mappings with the same generated line and column, but different
* source/name/original line and column the same. Useful when searching for a
* mapping with a stubbed out mapping.
*/
function compareByGeneratedPositions(mappingA, mappingB, onlyCompareGenerated) {
var cmp;
cmp = mappingA.generatedLine - mappingB.generatedLine;
if (cmp) {
return cmp;
}
cmp = mappingA.generatedColumn - mappingB.generatedColumn;
if (cmp || onlyCompareGenerated) {
return cmp;
}
cmp = strcmp(mappingA.source, mappingB.source);
if (cmp) {
return cmp;
}
cmp = mappingA.originalLine - mappingB.originalLine;
if (cmp) {
return cmp;
}
cmp = mappingA.originalColumn - mappingB.originalColumn;
if (cmp) {
return cmp;
}
return strcmp(mappingA.name, mappingB.name);
};
exports.compareByGeneratedPositions = compareByGeneratedPositions;
});
},{"amdefine":17}],17:[function(_dereq_,module,exports){
(function (process,__filename){
/** vim: et:ts=4:sw=4:sts=4
* @license amdefine 0.1.0 Copyright (c) 2011, The Dojo Foundation All Rights Reserved.
* Available via the MIT or new BSD license.
* see: http://github.com/jrburke/amdefine for details
*/
/*jslint node: true */
/*global module, process */
'use strict';
/**
* Creates a define for node.
* @param {Object} module the "module" object that is defined by Node for the
* current module.
* @param {Function} [requireFn]. Node's require function for the current module.
* It only needs to be passed in Node versions before 0.5, when module.require
* did not exist.
* @returns {Function} a define function that is usable for the current node
* module.
*/
function amdefine(module, requireFn) {
'use strict';
var defineCache = {},
loaderCache = {},
alreadyCalled = false,
path = _dereq_('path'),
makeRequire, stringRequire;
/**
* Trims the . and .. from an array of path segments.
* It will keep a leading path segment if a .. will become
* the first path segment, to help with module name lookups,
* which act like paths, but can be remapped. But the end result,
* all paths that use this function should look normalized.
* NOTE: this method MODIFIES the input array.
* @param {Array} ary the array of path segments.
*/
function trimDots(ary) {
var i, part;
for (i = 0; ary[i]; i+= 1) {
part = ary[i];
if (part === '.') {
ary.splice(i, 1);
i -= 1;
} else if (part === '..') {
if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
//End of the line. Keep at least one non-dot
//path segment at the front so it can be mapped
//correctly to disk. Otherwise, there is likely
//no path mapping for a path starting with '..'.
//This can still fail, but catches the most reasonable
//uses of ..
break;
} else if (i > 0) {
ary.splice(i - 1, 2);
i -= 2;
}
}
}
}
function normalize(name, baseName) {
var baseParts;
//Adjust any relative paths.
if (name && name.charAt(0) === '.') {
//If have a base name, try to normalize against it,
//otherwise, assume it is a top-level require that will
//be relative to baseUrl in the end.
if (baseName) {
baseParts = baseName.split('/');
baseParts = baseParts.slice(0, baseParts.length - 1);
baseParts = baseParts.concat(name.split('/'));
trimDots(baseParts);
name = baseParts.join('/');
}
}
return name;
}
/**
* Create the normalize() function passed to a loader plugin's
* normalize method.
*/
function makeNormalize(relName) {
return function (name) {
return normalize(name, relName);
};
}
function makeLoad(id) {
function load(value) {
loaderCache[id] = value;
}
load.fromText = function (id, text) {
//This one is difficult because the text can/probably uses
//define, and any relative paths and requires should be relative
//to that id was it would be found on disk. But this would require
//bootstrapping a module/require fairly deeply from node core.
//Not sure how best to go about that yet.
throw new Error('amdefine does not implement load.fromText');
};
return load;
}
makeRequire = function (systemRequire, exports, module, relId) {
function amdRequire(deps, callback) {
if (typeof deps === 'string') {
//Synchronous, single module require('')
return stringRequire(systemRequire, exports, module, deps, relId);
} else {
//Array of dependencies with a callback.
//Convert the dependencies to modules.
deps = deps.map(function (depName) {
return stringRequire(systemRequire, exports, module, depName, relId);
});
//Wait for next tick to call back the require call.
process.nextTick(function () {
callback.apply(null, deps);
});
}
}
amdRequire.toUrl = function (filePath) {
if (filePath.indexOf('.') === 0) {
return normalize(filePath, path.dirname(module.filename));
} else {
return filePath;
}
};
return amdRequire;
};
//Favor explicit value, passed in if the module wants to support Node 0.4.
requireFn = requireFn || function req() {
return module.require.apply(module, arguments);
};
function runFactory(id, deps, factory) {
var r, e, m, result;
if (id) {
e = loaderCache[id] = {};
m = {
id: id,
uri: __filename,
exports: e
};
r = makeRequire(requireFn, e, m, id);
} else {
//Only support one define call per file
if (alreadyCalled) {
throw new Error('amdefine with no module ID cannot be called more than once per file.');
}
alreadyCalled = true;
//Use the real variables from node
//Use module.exports for exports, since
//the exports in here is amdefine exports.
e = module.exports;
m = module;
r = makeRequire(requireFn, e, m, module.id);
}
//If there are dependencies, they are strings, so need
//to convert them to dependency values.
if (deps) {
deps = deps.map(function (depName) {
return r(depName);
});
}
//Call the factory with the right dependencies.
if (typeof factory === 'function') {
result = factory.apply(m.exports, deps);
} else {
result = factory;
}
if (result !== undefined) {
m.exports = result;
if (id) {
loaderCache[id] = m.exports;
}
}
}
stringRequire = function (systemRequire, exports, module, id, relId) {
//Split the ID by a ! so that
var index = id.indexOf('!'),
originalId = id,
prefix, plugin;
if (index === -1) {
id = normalize(id, relId);
//Straight module lookup. If it is one of the special dependencies,
//deal with it, otherwise, delegate to node.
if (id === 'require') {
return makeRequire(systemRequire, exports, module, relId);
} else if (id === 'exports') {
return exports;
} else if (id === 'module') {
return module;
} else if (loaderCache.hasOwnProperty(id)) {
return loaderCache[id];
} else if (defineCache[id]) {
runFactory.apply(null, defineCache[id]);
return loaderCache[id];
} else {
if(systemRequire) {
return systemRequire(originalId);
} else {
throw new Error('No module with ID: ' + id);
}
}
} else {
//There is a plugin in play.
prefix = id.substring(0, index);
id = id.substring(index + 1, id.length);
plugin = stringRequire(systemRequire, exports, module, prefix, relId);
if (plugin.normalize) {
id = plugin.normalize(id, makeNormalize(relId));
} else {
//Normalize the ID normally.
id = normalize(id, relId);
}
if (loaderCache[id]) {
return loaderCache[id];
} else {
plugin.load(id, makeRequire(systemRequire, exports, module, relId), makeLoad(id), {});
return loaderCache[id];
}
}
};
//Create a define function specific to the module asking for amdefine.
function define(id, deps, factory) {
if (Array.isArray(id)) {
factory = deps;
deps = id;
id = undefined;
} else if (typeof id !== 'string') {
factory = id;
id = deps = undefined;
}
if (deps && !Array.isArray(deps)) {
factory = deps;
deps = undefined;
}
if (!deps) {
deps = ['require', 'exports', 'module'];
}
//Set up properties for this module. If an ID, then use
//internal cache. If no ID, then use the external variables
//for this node module.
if (id) {
//Put the module in deep freeze until there is a
//require call for it.
defineCache[id] = [id, deps, factory];
} else {
runFactory(id, deps, factory);
}
}
//define.require, which has access to all the values in the
//cache. Useful for AMD modules that all have IDs in the file,
//but need to finally export a value to node based on one of those
//IDs.
define.require = function (id) {
if (loaderCache[id]) {
return loaderCache[id];
}
if (defineCache[id]) {
runFactory.apply(null, defineCache[id]);
return loaderCache[id];
}
};
define.amd = {};
return define;
}
module.exports = amdefine;
}).call(this,_dereq_("FWaASH"),"/../node_modules/jstransform/node_modules/source-map/node_modules/amdefine/amdefine.js")
},{"FWaASH":5,"path":4}],18:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var docblockRe = /^\s*(\/\*\*(.|\r?\n)*?\*\/)/;
var ltrimRe = /^\s*/;
/**
* @param {String} contents
* @return {String}
*/
function extract(contents) {
var match = contents.match(docblockRe);
if (match) {
return match[0].replace(ltrimRe, '') || '';
}
return '';
}
var commentStartRe = /^\/\*\*?/;
var commentEndRe = /\*+\/$/;
var wsRe = /[\t ]+/g;
var stringStartRe = /(\r?\n|^) *\*/g;
var multilineRe = /(?:^|\r?\n) *(@[^\r\n]*?) *\r?\n *([^@\r\n\s][^@\r\n]+?) *\r?\n/g;
var propertyRe = /(?:^|\r?\n) *@(\S+) *([^\r\n]*)/g;
/**
* @param {String} contents
* @return {Array}
*/
function parse(docblock) {
docblock = docblock
.replace(commentStartRe, '')
.replace(commentEndRe, '')
.replace(wsRe, ' ')
.replace(stringStartRe, '$1');
// Normalize multi-line directives
var prev = '';
while (prev != docblock) {
prev = docblock;
docblock = docblock.replace(multilineRe, "\n$1 $2\n");
}
docblock = docblock.trim();
var result = [];
var match;
while (match = propertyRe.exec(docblock)) {
result.push([match[1], match[2]]);
}
return result;
}
/**
* Same as parse but returns an object of prop: value instead of array of paris
* If a property appers more than once the last one will be returned
*
* @param {String} contents
* @return {Object}
*/
function parseAsObject(docblock) {
var pairs = parse(docblock);
var result = {};
for (var i = 0; i < pairs.length; i++) {
result[pairs[i][0]] = pairs[i][1];
}
return result;
}
exports.extract = extract;
exports.parse = parse;
exports.parseAsObject = parseAsObject;
},{}],19:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint node: true*/
"use strict";
var esprima = _dereq_('esprima-fb');
var utils = _dereq_('./utils');
var getBoundaryNode = utils.getBoundaryNode;
var declareIdentInScope = utils.declareIdentInLocalScope;
var initScopeMetadata = utils.initScopeMetadata;
var Syntax = esprima.Syntax;
/**
* @param {object} node
* @param {object} parentNode
* @return {boolean}
*/
function _nodeIsClosureScopeBoundary(node, parentNode) {
if (node.type === Syntax.Program) {
return true;
}
var parentIsFunction =
parentNode.type === Syntax.FunctionDeclaration
|| parentNode.type === Syntax.FunctionExpression
|| parentNode.type === Syntax.ArrowFunctionExpression;
return node.type === Syntax.BlockStatement && parentIsFunction;
}
function _nodeIsBlockScopeBoundary(node, parentNode) {
if (node.type === Syntax.Program) {
return false;
}
return node.type === Syntax.BlockStatement
&& parentNode.type === Syntax.CatchClause;
}
/**
* @param {object} node
* @param {function} visitor
* @param {array} path
* @param {object} state
*/
function traverse(node, path, state) {
// Create a scope stack entry if this is the first node we've encountered in
// its local scope
var parentNode = path[0];
if (!Array.isArray(node) && state.localScope.parentNode !== parentNode) {
if (_nodeIsClosureScopeBoundary(node, parentNode)) {
var scopeIsStrict =
state.scopeIsStrict
|| node.body.length > 0
&& node.body[0].type === Syntax.ExpressionStatement
&& node.body[0].expression.type === Syntax.Literal
&& node.body[0].expression.value === 'use strict';
if (node.type === Syntax.Program) {
state = utils.updateState(state, {
scopeIsStrict: scopeIsStrict
});
} else {
state = utils.updateState(state, {
localScope: {
parentNode: parentNode,
parentScope: state.localScope,
identifiers: {},
tempVarIndex: 0
},
scopeIsStrict: scopeIsStrict
});
// All functions have an implicit 'arguments' object in scope
declareIdentInScope('arguments', initScopeMetadata(node), state);
// Include function arg identifiers in the scope boundaries of the
// function
if (parentNode.params.length > 0) {
var param;
for (var i = 0; i < parentNode.params.length; i++) {
param = parentNode.params[i];
if (param.type === Syntax.Identifier) {
declareIdentInScope(
param.name, initScopeMetadata(parentNode), state
);
}
}
}
// Named FunctionExpressions scope their name within the body block of
// themselves only
if (parentNode.type === Syntax.FunctionExpression && parentNode.id) {
var metaData =
initScopeMetadata(parentNode, path.parentNodeslice, parentNode);
declareIdentInScope(parentNode.id.name, metaData, state);
}
}
// Traverse and find all local identifiers in this closure first to
// account for function/variable declaration hoisting
collectClosureIdentsAndTraverse(node, path, state);
}
if (_nodeIsBlockScopeBoundary(node, parentNode)) {
state = utils.updateState(state, {
localScope: {
parentNode: parentNode,
parentScope: state.localScope,
identifiers: {}
}
});
if (parentNode.type === Syntax.CatchClause) {
declareIdentInScope(
parentNode.param.name, initScopeMetadata(parentNode), state
);
}
collectBlockIdentsAndTraverse(node, path, state);
}
}
// Only catchup() before and after traversing a child node
function traverser(node, path, state) {
node.range && utils.catchup(node.range[0], state);
traverse(node, path, state);
node.range && utils.catchup(node.range[1], state);
}
utils.analyzeAndTraverse(walker, traverser, node, path, state);
}
function collectClosureIdentsAndTraverse(node, path, state) {
utils.analyzeAndTraverse(
visitLocalClosureIdentifiers,
collectClosureIdentsAndTraverse,
node,
path,
state
);
}
function collectBlockIdentsAndTraverse(node, path, state) {
utils.analyzeAndTraverse(
visitLocalBlockIdentifiers,
collectBlockIdentsAndTraverse,
node,
path,
state
);
}
function visitLocalClosureIdentifiers(node, path, state) {
var metaData;
switch (node.type) {
case Syntax.FunctionExpression:
// Function expressions don't get their names (if there is one) added to
// the closure scope they're defined in
return false;
case Syntax.ClassDeclaration:
case Syntax.ClassExpression:
case Syntax.FunctionDeclaration:
if (node.id) {
metaData = initScopeMetadata(getBoundaryNode(path), path.slice(), node);
declareIdentInScope(node.id.name, metaData, state);
}
return false;
case Syntax.VariableDeclarator:
// Variables have function-local scope
if (path[0].kind === 'var') {
metaData = initScopeMetadata(getBoundaryNode(path), path.slice(), node);
declareIdentInScope(node.id.name, metaData, state);
}
break;
}
}
function visitLocalBlockIdentifiers(node, path, state) {
// TODO: Support 'let' here...maybe...one day...or something...
if (node.type === Syntax.CatchClause) {
return false;
}
}
function walker(node, path, state) {
var visitors = state.g.visitors;
for (var i = 0; i < visitors.length; i++) {
if (visitors[i].test(node, path, state)) {
return visitors[i](traverse, node, path, state);
}
}
}
var _astCache = {};
/**
* Applies all available transformations to the source
* @param {array} visitors
* @param {string} source
* @param {?object} options
* @return {object}
*/
function transform(visitors, source, options) {
options = options || {};
var ast;
try {
var cachedAst = _astCache[source];
ast = cachedAst ||
(_astCache[source] = esprima.parse(source, {
comment: true,
loc: true,
range: true
}));
} catch (e) {
e.message = 'Parse Error: ' + e.message;
throw e;
}
var state = utils.createState(source, ast, options);
state.g.visitors = visitors;
if (options.sourceMap) {
var SourceMapGenerator = _dereq_('source-map').SourceMapGenerator;
state.g.sourceMap = new SourceMapGenerator({file: options.filename || 'transformed.js'});
}
traverse(ast, [], state);
utils.catchup(source.length, state);
var ret = {code: state.g.buffer, extra: state.g.extra};
if (options.sourceMap) {
ret.sourceMap = state.g.sourceMap;
ret.sourceMapFilename = options.filename || 'source.js';
}
return ret;
}
exports.transform = transform;
},{"./utils":20,"esprima-fb":6,"source-map":8}],20:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint node: true*/
var Syntax = _dereq_('esprima-fb').Syntax;
var leadingIndentRegexp = /(^|\n)( {2}|\t)/g;
var nonWhiteRegexp = /(\S)/g;
/**
* A `state` object represents the state of the parser. It has "local" and
* "global" parts. Global contains parser position, source, etc. Local contains
* scope based properties like current class name. State should contain all the
* info required for transformation. It's the only mandatory object that is
* being passed to every function in transform chain.
*
* @param {string} source
* @param {object} transformOptions
* @return {object}
*/
function createState(source, rootNode, transformOptions) {
return {
/**
* A tree representing the current local scope (and its lexical scope chain)
* Useful for tracking identifiers from parent scopes, etc.
* @type {Object}
*/
localScope: {
parentNode: rootNode,
parentScope: null,
identifiers: {},
tempVarIndex: 0
},
/**
* The name (and, if applicable, expression) of the super class
* @type {Object}
*/
superClass: null,
/**
* The namespace to use when munging identifiers
* @type {String}
*/
mungeNamespace: '',
/**
* Ref to the node for the current MethodDefinition
* @type {Object}
*/
methodNode: null,
/**
* Ref to the node for the FunctionExpression of the enclosing
* MethodDefinition
* @type {Object}
*/
methodFuncNode: null,
/**
* Name of the enclosing class
* @type {String}
*/
className: null,
/**
* Whether we're currently within a `strict` scope
* @type {Bool}
*/
scopeIsStrict: null,
/**
* Indentation offset
* @type {Number}
*/
indentBy: 0,
/**
* Global state (not affected by updateState)
* @type {Object}
*/
g: {
/**
* A set of general options that transformations can consider while doing
* a transformation:
*
* - minify
* Specifies that transformation steps should do their best to minify
* the output source when possible. This is useful for places where
* minification optimizations are possible with higher-level context
* info than what jsxmin can provide.
*
* For example, the ES6 class transform will minify munged private
* variables if this flag is set.
*/
opts: transformOptions,
/**
* Current position in the source code
* @type {Number}
*/
position: 0,
/**
* Auxiliary data to be returned by transforms
* @type {Object}
*/
extra: {},
/**
* Buffer containing the result
* @type {String}
*/
buffer: '',
/**
* Source that is being transformed
* @type {String}
*/
source: source,
/**
* Cached parsed docblock (see getDocblock)
* @type {object}
*/
docblock: null,
/**
* Whether the thing was used
* @type {Boolean}
*/
tagNamespaceUsed: false,
/**
* If using bolt xjs transformation
* @type {Boolean}
*/
isBolt: undefined,
/**
* Whether to record source map (expensive) or not
* @type {SourceMapGenerator|null}
*/
sourceMap: null,
/**
* Filename of the file being processed. Will be returned as a source
* attribute in the source map
*/
sourceMapFilename: 'source.js',
/**
* Only when source map is used: last line in the source for which
* source map was generated
* @type {Number}
*/
sourceLine: 1,
/**
* Only when source map is used: last line in the buffer for which
* source map was generated
* @type {Number}
*/
bufferLine: 1,
/**
* The top-level Program AST for the original file.
*/
originalProgramAST: null,
sourceColumn: 0,
bufferColumn: 0
}
};
}
/**
* Updates a copy of a given state with "update" and returns an updated state.
*
* @param {object} state
* @param {object} update
* @return {object}
*/
function updateState(state, update) {
var ret = Object.create(state);
Object.keys(update).forEach(function(updatedKey) {
ret[updatedKey] = update[updatedKey];
});
return ret;
}
/**
* Given a state fill the resulting buffer from the original source up to
* the end
*
* @param {number} end
* @param {object} state
* @param {?function} contentTransformer Optional callback to transform newly
* added content.
*/
function catchup(end, state, contentTransformer) {
if (end < state.g.position) {
// cannot move backwards
return;
}
var source = state.g.source.substring(state.g.position, end);
var transformed = updateIndent(source, state);
if (state.g.sourceMap && transformed) {
// record where we are
state.g.sourceMap.addMapping({
generated: { line: state.g.bufferLine, column: state.g.bufferColumn },
original: { line: state.g.sourceLine, column: state.g.sourceColumn },
source: state.g.sourceMapFilename
});
// record line breaks in transformed source
var sourceLines = source.split('\n');
var transformedLines = transformed.split('\n');
// Add line break mappings between last known mapping and the end of the
// added piece. So for the code piece
// (foo, bar);
// > var x = 2;
// > var b = 3;
// var c =
// only add lines marked with ">": 2, 3.
for (var i = 1; i < sourceLines.length - 1; i++) {
state.g.sourceMap.addMapping({
generated: { line: state.g.bufferLine, column: 0 },
original: { line: state.g.sourceLine, column: 0 },
source: state.g.sourceMapFilename
});
state.g.sourceLine++;
state.g.bufferLine++;
}
// offset for the last piece
if (sourceLines.length > 1) {
state.g.sourceLine++;
state.g.bufferLine++;
state.g.sourceColumn = 0;
state.g.bufferColumn = 0;
}
state.g.sourceColumn += sourceLines[sourceLines.length - 1].length;
state.g.bufferColumn +=
transformedLines[transformedLines.length - 1].length;
}
state.g.buffer +=
contentTransformer ? contentTransformer(transformed) : transformed;
state.g.position = end;
}
/**
* Returns original source for an AST node.
* @param {object} node
* @param {object} state
* @return {string}
*/
function getNodeSourceText(node, state) {
return state.g.source.substring(node.range[0], node.range[1]);
}
function replaceNonWhite(value) {
return value.replace(nonWhiteRegexp, ' ');
}
/**
* Removes all non-whitespace characters
*/
function stripNonWhite(value) {
return value.replace(nonWhiteRegexp, '');
}
/**
* Catches up as `catchup` but replaces non-whitespace chars with spaces.
*/
function catchupWhiteOut(end, state) {
catchup(end, state, replaceNonWhite);
}
/**
* Catches up as `catchup` but removes all non-whitespace characters.
*/
function catchupWhiteSpace(end, state) {
catchup(end, state, stripNonWhite);
}
/**
* Removes all non-newline characters
*/
var reNonNewline = /[^\n]/g;
function stripNonNewline(value) {
return value.replace(reNonNewline, function() {
return '';
});
}
/**
* Catches up as `catchup` but removes all non-newline characters.
*
* Equivalent to appending as many newlines as there are in the original source
* between the current position and `end`.
*/
function catchupNewlines(end, state) {
catchup(end, state, stripNonNewline);
}
/**
* Same as catchup but does not touch the buffer
*
* @param {number} end
* @param {object} state
*/
function move(end, state) {
// move the internal cursors
if (state.g.sourceMap) {
if (end < state.g.position) {
state.g.position = 0;
state.g.sourceLine = 1;
state.g.sourceColumn = 0;
}
var source = state.g.source.substring(state.g.position, end);
var sourceLines = source.split('\n');
if (sourceLines.length > 1) {
state.g.sourceLine += sourceLines.length - 1;
state.g.sourceColumn = 0;
}
state.g.sourceColumn += sourceLines[sourceLines.length - 1].length;
}
state.g.position = end;
}
/**
* Appends a string of text to the buffer
*
* @param {string} str
* @param {object} state
*/
function append(str, state) {
if (state.g.sourceMap && str) {
state.g.sourceMap.addMapping({
generated: { line: state.g.bufferLine, column: state.g.bufferColumn },
original: { line: state.g.sourceLine, column: state.g.sourceColumn },
source: state.g.sourceMapFilename
});
var transformedLines = str.split('\n');
if (transformedLines.length > 1) {
state.g.bufferLine += transformedLines.length - 1;
state.g.bufferColumn = 0;
}
state.g.bufferColumn +=
transformedLines[transformedLines.length - 1].length;
}
state.g.buffer += str;
}
/**
* Update indent using state.indentBy property. Indent is measured in
* double spaces. Updates a single line only.
*
* @param {string} str
* @param {object} state
* @return {string}
*/
function updateIndent(str, state) {
var indentBy = state.indentBy;
if (indentBy < 0) {
for (var i = 0; i < -indentBy; i++) {
str = str.replace(leadingIndentRegexp, '$1');
}
} else {
for (var i = 0; i < indentBy; i++) {
str = str.replace(leadingIndentRegexp, '$1$2$2');
}
}
return str;
}
/**
* Calculates indent from the beginning of the line until "start" or the first
* character before start.
* @example
* " foo.bar()"
* ^
* start
* indent will be " "
*
* @param {number} start
* @param {object} state
* @return {string}
*/
function indentBefore(start, state) {
var end = start;
start = start - 1;
while (start > 0 && state.g.source[start] != '\n') {
if (!state.g.source[start].match(/[ \t]/)) {
end = start;
}
start--;
}
return state.g.source.substring(start + 1, end);
}
function getDocblock(state) {
if (!state.g.docblock) {
var docblock = _dereq_('./docblock');
state.g.docblock =
docblock.parseAsObject(docblock.extract(state.g.source));
}
return state.g.docblock;
}
function identWithinLexicalScope(identName, state, stopBeforeNode) {
var currScope = state.localScope;
while (currScope) {
if (currScope.identifiers[identName] !== undefined) {
return true;
}
if (stopBeforeNode && currScope.parentNode === stopBeforeNode) {
break;
}
currScope = currScope.parentScope;
}
return false;
}
function identInLocalScope(identName, state) {
return state.localScope.identifiers[identName] !== undefined;
}
/**
* @param {object} boundaryNode
* @param {?array} path
* @return {?object} node
*/
function initScopeMetadata(boundaryNode, path, node) {
return {
boundaryNode: boundaryNode,
bindingPath: path,
bindingNode: node
};
}
function declareIdentInLocalScope(identName, metaData, state) {
state.localScope.identifiers[identName] = {
boundaryNode: metaData.boundaryNode,
path: metaData.path,
node: metaData.node,
state: Object.create(state)
};
}
function getLexicalBindingMetadata(identName, state) {
return state.localScope.identifiers[identName];
}
/**
* Apply the given analyzer function to the current node. If the analyzer
* doesn't return false, traverse each child of the current node using the given
* traverser function.
*
* @param {function} analyzer
* @param {function} traverser
* @param {object} node
* @param {function} visitor
* @param {array} path
* @param {object} state
*/
function analyzeAndTraverse(analyzer, traverser, node, path, state) {
if (node.type) {
if (analyzer(node, path, state) === false) {
return;
}
path.unshift(node);
}
getOrderedChildren(node).forEach(function(child) {
traverser(child, path, state);
});
node.type && path.shift();
}
/**
* It is crucial that we traverse in order, or else catchup() on a later
* node that is processed out of order can move the buffer past a node
* that we haven't handled yet, preventing us from modifying that node.
*
* This can happen when a node has multiple properties containing children.
* For example, XJSElement nodes have `openingElement`, `closingElement` and
* `children`. If we traverse `openingElement`, then `closingElement`, then
* when we get to `children`, the buffer has already caught up to the end of
* the closing element, after the children.
*
* This is basically a Schwartzian transform. Collects an array of children,
* each one represented as [child, startIndex]; sorts the array by start
* index; then traverses the children in that order.
*/
function getOrderedChildren(node) {
var queue = [];
for (var key in node) {
if (node.hasOwnProperty(key)) {
enqueueNodeWithStartIndex(queue, node[key]);
}
}
queue.sort(function(a, b) { return a[1] - b[1]; });
return queue.map(function(pair) { return pair[0]; });
}
/**
* Helper function for analyzeAndTraverse which queues up all of the children
* of the given node.
*
* Children can also be found in arrays, so we basically want to merge all of
* those arrays together so we can sort them and then traverse the children
* in order.
*
* One example is the Program node. It contains `body` and `comments`, both
* arrays. Lexographically, comments are interspersed throughout the body
* nodes, but esprima's AST groups them together.
*/
function enqueueNodeWithStartIndex(queue, node) {
if (typeof node !== 'object' || node === null) {
return;
}
if (node.range) {
queue.push([node, node.range[0]]);
} else if (Array.isArray(node)) {
for (var ii = 0; ii < node.length; ii++) {
enqueueNodeWithStartIndex(queue, node[ii]);
}
}
}
/**
* Checks whether a node or any of its sub-nodes contains
* a syntactic construct of the passed type.
* @param {object} node - AST node to test.
* @param {string} type - node type to lookup.
*/
function containsChildOfType(node, type) {
var foundMatchingChild = false;
function nodeTypeAnalyzer(node) {
if (node.type === type) {
foundMatchingChild = true;
return false;
}
}
function nodeTypeTraverser(child, path, state) {
if (!foundMatchingChild) {
foundMatchingChild = containsChildOfType(child, type);
}
}
analyzeAndTraverse(
nodeTypeAnalyzer,
nodeTypeTraverser,
node,
[]
);
return foundMatchingChild;
}
var scopeTypes = {};
scopeTypes[Syntax.FunctionExpression] = true;
scopeTypes[Syntax.FunctionDeclaration] = true;
scopeTypes[Syntax.Program] = true;
function getBoundaryNode(path) {
for (var ii = 0; ii < path.length; ++ii) {
if (scopeTypes[path[ii].type]) {
return path[ii];
}
}
throw new Error(
'Expected to find a node with one of the following types in path:\n' +
JSON.stringify(Object.keys(scopeTypes))
);
}
exports.append = append;
exports.catchup = catchup;
exports.catchupWhiteOut = catchupWhiteOut;
exports.catchupWhiteSpace = catchupWhiteSpace;
exports.catchupNewlines = catchupNewlines;
exports.containsChildOfType = containsChildOfType;
exports.createState = createState;
exports.declareIdentInLocalScope = declareIdentInLocalScope;
exports.getBoundaryNode = getBoundaryNode;
exports.getDocblock = getDocblock;
exports.getLexicalBindingMetadata = getLexicalBindingMetadata;
exports.initScopeMetadata = initScopeMetadata;
exports.identWithinLexicalScope = identWithinLexicalScope;
exports.identInLocalScope = identInLocalScope;
exports.indentBefore = indentBefore;
exports.move = move;
exports.scopeTypes = scopeTypes;
exports.updateIndent = updateIndent;
exports.updateState = updateState;
exports.analyzeAndTraverse = analyzeAndTraverse;
exports.getOrderedChildren = getOrderedChildren;
exports.getNodeSourceText = getNodeSourceText;
},{"./docblock":18,"esprima-fb":6}],21:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*global exports:true*/
/**
* Desugars ES6 Arrow functions to ES3 function expressions.
* If the function contains `this` expression -- automatically
* binds the function to current value of `this`.
*
* Single parameter, simple expression:
*
* [1, 2, 3].map(x => x * x);
*
* [1, 2, 3].map(function(x) { return x * x; });
*
* Several parameters, complex block:
*
* this.users.forEach((user, idx) => {
* return this.isActive(idx) && this.send(user);
* });
*
* this.users.forEach(function(user, idx) {
* return this.isActive(idx) && this.send(user);
* }.bind(this));
*
*/
var restParamVisitors = _dereq_('./es6-rest-param-visitors');
var destructuringVisitors = _dereq_('./es6-destructuring-visitors');
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('../src/utils');
/**
* @public
*/
function visitArrowFunction(traverse, node, path, state) {
var notInExpression = (path[0].type === Syntax.ExpressionStatement);
// Wrap a function into a grouping operator, if it's not
// in the expression position.
if (notInExpression) {
utils.append('(', state);
}
utils.append('function', state);
renderParams(traverse, node, path, state);
// Skip arrow.
utils.catchupWhiteSpace(node.body.range[0], state);
var renderBody = node.body.type == Syntax.BlockStatement
? renderStatementBody
: renderExpressionBody;
path.unshift(node);
renderBody(traverse, node, path, state);
path.shift();
// Bind the function only if `this` value is used
// inside it or inside any sub-expression.
if (utils.containsChildOfType(node.body, Syntax.ThisExpression)) {
utils.append('.bind(this)', state);
}
utils.catchupWhiteSpace(node.range[1], state);
// Close wrapper if not in the expression.
if (notInExpression) {
utils.append(')', state);
}
return false;
}
function renderParams(traverse, node, path, state) {
// To preserve inline typechecking directives, we
// distinguish between parens-free and paranthesized single param.
if (isParensFreeSingleParam(node, state) || !node.params.length) {
utils.append('(', state);
}
if (node.params.length !== 0) {
path.unshift(node);
traverse(node.params, path, state);
path.unshift();
}
utils.append(')', state);
}
function isParensFreeSingleParam(node, state) {
return node.params.length === 1 &&
state.g.source[state.g.position] !== '(';
}
function renderExpressionBody(traverse, node, path, state) {
// Wrap simple expression bodies into a block
// with explicit return statement.
utils.append('{', state);
// Special handling of rest param.
if (node.rest) {
utils.append(
restParamVisitors.renderRestParamSetup(node),
state
);
}
// Special handling of destructured params.
destructuringVisitors.renderDestructuredComponents(
node,
utils.updateState(state, {
localScope: {
parentNode: state.parentNode,
parentScope: state.parentScope,
identifiers: state.identifiers,
tempVarIndex: 0
}
})
);
utils.append('return ', state);
renderStatementBody(traverse, node, path, state);
utils.append(';}', state);
}
function renderStatementBody(traverse, node, path, state) {
traverse(node.body, path, state);
utils.catchup(node.body.range[1], state);
}
visitArrowFunction.test = function(node, path, state) {
return node.type === Syntax.ArrowFunctionExpression;
};
exports.visitorList = [
visitArrowFunction
];
},{"../src/utils":20,"./es6-destructuring-visitors":23,"./es6-rest-param-visitors":26,"esprima-fb":6}],22:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint node:true*/
/**
* @typechecks
*/
'use strict';
var base62 = _dereq_('base62');
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('../src/utils');
var declareIdentInLocalScope = utils.declareIdentInLocalScope;
var initScopeMetadata = utils.initScopeMetadata;
var SUPER_PROTO_IDENT_PREFIX = '____SuperProtoOf';
var _anonClassUUIDCounter = 0;
var _mungedSymbolMaps = {};
function resetSymbols() {
_anonClassUUIDCounter = 0;
_mungedSymbolMaps = {};
}
/**
* Used to generate a unique class for use with code-gens for anonymous class
* expressions.
*
* @param {object} state
* @return {string}
*/
function _generateAnonymousClassName(state) {
var mungeNamespace = state.mungeNamespace || '';
return '____Class' + mungeNamespace + base62.encode(_anonClassUUIDCounter++);
}
/**
* Given an identifier name, munge it using the current state's mungeNamespace.
*
* @param {string} identName
* @param {object} state
* @return {string}
*/
function _getMungedName(identName, state) {
var mungeNamespace = state.mungeNamespace;
var shouldMinify = state.g.opts.minify;
if (shouldMinify) {
if (!_mungedSymbolMaps[mungeNamespace]) {
_mungedSymbolMaps[mungeNamespace] = {
symbolMap: {},
identUUIDCounter: 0
};
}
var symbolMap = _mungedSymbolMaps[mungeNamespace].symbolMap;
if (!symbolMap[identName]) {
symbolMap[identName] =
base62.encode(_mungedSymbolMaps[mungeNamespace].identUUIDCounter++);
}
identName = symbolMap[identName];
}
return '$' + mungeNamespace + identName;
}
/**
* Extracts super class information from a class node.
*
* Information includes name of the super class and/or the expression string
* (if extending from an expression)
*
* @param {object} node
* @param {object} state
* @return {object}
*/
function _getSuperClassInfo(node, state) {
var ret = {
name: null,
expression: null
};
if (node.superClass) {
if (node.superClass.type === Syntax.Identifier) {
ret.name = node.superClass.name;
} else {
// Extension from an expression
ret.name = _generateAnonymousClassName(state);
ret.expression = state.g.source.substring(
node.superClass.range[0],
node.superClass.range[1]
);
}
}
return ret;
}
/**
* Used with .filter() to find the constructor method in a list of
* MethodDefinition nodes.
*
* @param {object} classElement
* @return {boolean}
*/
function _isConstructorMethod(classElement) {
return classElement.type === Syntax.MethodDefinition &&
classElement.key.type === Syntax.Identifier &&
classElement.key.name === 'constructor';
}
/**
* @param {object} node
* @param {object} state
* @return {boolean}
*/
function _shouldMungeIdentifier(node, state) {
return (
!!state.methodFuncNode &&
!utils.getDocblock(state).hasOwnProperty('preventMunge') &&
/^_(?!_)/.test(node.name)
);
}
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function visitClassMethod(traverse, node, path, state) {
if (node.kind === 'get' || node.kind === 'set') {
throw new Error(
'This transform does not support ' + node.kind + 'ter methods for ES6 ' +
'classes. (line: ' + node.loc.start.line + ', col: ' +
node.loc.start.column + ')'
);
}
state = utils.updateState(state, {
methodNode: node
});
utils.catchup(node.range[0], state);
path.unshift(node);
traverse(node.value, path, state);
path.shift();
return false;
}
visitClassMethod.test = function(node, path, state) {
return node.type === Syntax.MethodDefinition;
};
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function visitClassFunctionExpression(traverse, node, path, state) {
var methodNode = path[0];
state = utils.updateState(state, {
methodFuncNode: node
});
if (methodNode.key.name === 'constructor') {
utils.append('function ' + state.className, state);
} else {
var methodAccessor;
var prototypeOrStatic = methodNode["static"] ? '' : '.prototype';
if (methodNode.key.type === Syntax.Identifier) {
// foo() {}
methodAccessor = methodNode.key.name;
if (_shouldMungeIdentifier(methodNode.key, state)) {
methodAccessor = _getMungedName(methodAccessor, state);
}
methodAccessor = '.' + methodAccessor;
} else if (methodNode.key.type === Syntax.Literal) {
// 'foo bar'() {}
methodAccessor = '[' + JSON.stringify(methodNode.key.value) + ']';
}
utils.append(
state.className + prototypeOrStatic +
methodAccessor + '=function',
state
);
}
utils.move(methodNode.key.range[1], state);
utils.append('(', state);
var params = node.params;
if (params.length > 0) {
utils.move(params[0].range[0], state);
for (var i = 0; i < params.length; i++) {
utils.catchup(node.params[i].range[0], state);
path.unshift(node);
traverse(params[i], path, state);
path.shift();
}
}
utils.append(')', state);
utils.catchupWhiteSpace(node.body.range[0], state);
utils.append('{', state);
if (!state.scopeIsStrict) {
utils.append('"use strict";', state);
state = utils.updateState(state, {
scopeIsStrict: true
});
}
utils.move(node.body.range[0] + '{'.length, state);
path.unshift(node);
traverse(node.body, path, state);
path.shift();
utils.catchup(node.body.range[1], state);
if (methodNode.key.name !== 'constructor') {
utils.append(';', state);
}
return false;
}
visitClassFunctionExpression.test = function(node, path, state) {
return node.type === Syntax.FunctionExpression
&& path[0].type === Syntax.MethodDefinition;
};
function visitClassMethodParam(traverse, node, path, state) {
var paramName = node.name;
if (_shouldMungeIdentifier(node, state)) {
paramName = _getMungedName(node.name, state);
}
utils.append(paramName, state);
utils.move(node.range[1], state);
}
visitClassMethodParam.test = function(node, path, state) {
if (!path[0] || !path[1]) {
return;
}
var parentFuncExpr = path[0];
var parentClassMethod = path[1];
return parentFuncExpr.type === Syntax.FunctionExpression
&& parentClassMethod.type === Syntax.MethodDefinition
&& node.type === Syntax.Identifier;
};
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function _renderClassBody(traverse, node, path, state) {
var className = state.className;
var superClass = state.superClass;
// Set up prototype of constructor on same line as `extends` for line-number
// preservation. This relies on function-hoisting if a constructor function is
// defined in the class body.
if (superClass.name) {
// If the super class is an expression, we need to memoize the output of the
// expression into the generated class name variable and use that to refer
// to the super class going forward. Example:
//
// class Foo extends mixin(Bar, Baz) {}
// --transforms to--
// function Foo() {} var ____Class0Blah = mixin(Bar, Baz);
if (superClass.expression !== null) {
utils.append(
'var ' + superClass.name + '=' + superClass.expression + ';',
state
);
}
var keyName = superClass.name + '____Key';
var keyNameDeclarator = '';
if (!utils.identWithinLexicalScope(keyName, state)) {
keyNameDeclarator = 'var ';
declareIdentInLocalScope(keyName, initScopeMetadata(node), state);
}
utils.append(
'for(' + keyNameDeclarator + keyName + ' in ' + superClass.name + '){' +
'if(' + superClass.name + '.hasOwnProperty(' + keyName + ')){' +
className + '[' + keyName + ']=' +
superClass.name + '[' + keyName + '];' +
'}' +
'}',
state
);
var superProtoIdentStr = SUPER_PROTO_IDENT_PREFIX + superClass.name;
if (!utils.identWithinLexicalScope(superProtoIdentStr, state)) {
utils.append(
'var ' + superProtoIdentStr + '=' + superClass.name + '===null?' +
'null:' + superClass.name + '.prototype;',
state
);
declareIdentInLocalScope(superProtoIdentStr, initScopeMetadata(node), state);
}
utils.append(
className + '.prototype=Object.create(' + superProtoIdentStr + ');',
state
);
utils.append(
className + '.prototype.constructor=' + className + ';',
state
);
utils.append(
className + '.__superConstructor__=' + superClass.name + ';',
state
);
}
// If there's no constructor method specified in the class body, create an
// empty constructor function at the top (same line as the class keyword)
if (!node.body.body.filter(_isConstructorMethod).pop()) {
utils.append('function ' + className + '(){', state);
if (!state.scopeIsStrict) {
utils.append('"use strict";', state);
}
if (superClass.name) {
utils.append(
'if(' + superClass.name + '!==null){' +
superClass.name + '.apply(this,arguments);}',
state
);
}
utils.append('}', state);
}
utils.move(node.body.range[0] + '{'.length, state);
traverse(node.body, path, state);
utils.catchupWhiteSpace(node.range[1], state);
}
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function visitClassDeclaration(traverse, node, path, state) {
var className = node.id.name;
var superClass = _getSuperClassInfo(node, state);
state = utils.updateState(state, {
mungeNamespace: className,
className: className,
superClass: superClass
});
_renderClassBody(traverse, node, path, state);
return false;
}
visitClassDeclaration.test = function(node, path, state) {
return node.type === Syntax.ClassDeclaration;
};
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function visitClassExpression(traverse, node, path, state) {
var className = node.id && node.id.name || _generateAnonymousClassName(state);
var superClass = _getSuperClassInfo(node, state);
utils.append('(function(){', state);
state = utils.updateState(state, {
mungeNamespace: className,
className: className,
superClass: superClass
});
_renderClassBody(traverse, node, path, state);
utils.append('return ' + className + ';})()', state);
return false;
}
visitClassExpression.test = function(node, path, state) {
return node.type === Syntax.ClassExpression;
};
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function visitPrivateIdentifier(traverse, node, path, state) {
utils.append(_getMungedName(node.name, state), state);
utils.move(node.range[1], state);
}
visitPrivateIdentifier.test = function(node, path, state) {
if (node.type === Syntax.Identifier && _shouldMungeIdentifier(node, state)) {
// Always munge non-computed properties of MemberExpressions
// (a la preventing access of properties of unowned objects)
if (path[0].type === Syntax.MemberExpression && path[0].object !== node
&& path[0].computed === false) {
return true;
}
// Always munge identifiers that were declared within the method function
// scope
if (utils.identWithinLexicalScope(node.name, state, state.methodFuncNode)) {
return true;
}
// Always munge private keys on object literals defined within a method's
// scope.
if (path[0].type === Syntax.Property
&& path[1].type === Syntax.ObjectExpression) {
return true;
}
// Always munge function parameters
if (path[0].type === Syntax.FunctionExpression
|| path[0].type === Syntax.FunctionDeclaration
|| path[0].type === Syntax.ArrowFunctionExpression) {
for (var i = 0; i < path[0].params.length; i++) {
if (path[0].params[i] === node) {
return true;
}
}
}
}
return false;
};
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function visitSuperCallExpression(traverse, node, path, state) {
var superClassName = state.superClass.name;
if (node.callee.type === Syntax.Identifier) {
if (_isConstructorMethod(state.methodNode)) {
utils.append(superClassName + '.call(', state);
} else {
var protoProp = SUPER_PROTO_IDENT_PREFIX + superClassName;
if (state.methodNode.key.type === Syntax.Identifier) {
protoProp += '.' + state.methodNode.key.name;
} else if (state.methodNode.key.type === Syntax.Literal) {
protoProp += '[' + JSON.stringify(state.methodNode.key.value) + ']';
}
utils.append(protoProp + ".call(", state);
}
utils.move(node.callee.range[1], state);
} else if (node.callee.type === Syntax.MemberExpression) {
utils.append(SUPER_PROTO_IDENT_PREFIX + superClassName, state);
utils.move(node.callee.object.range[1], state);
if (node.callee.computed) {
// ["a" + "b"]
utils.catchup(node.callee.property.range[1] + ']'.length, state);
} else {
// .ab
utils.append('.' + node.callee.property.name, state);
}
utils.append('.call(', state);
utils.move(node.callee.range[1], state);
}
utils.append('this', state);
if (node.arguments.length > 0) {
utils.append(',', state);
utils.catchupWhiteSpace(node.arguments[0].range[0], state);
traverse(node.arguments, path, state);
}
utils.catchupWhiteSpace(node.range[1], state);
utils.append(')', state);
return false;
}
visitSuperCallExpression.test = function(node, path, state) {
if (state.superClass && node.type === Syntax.CallExpression) {
var callee = node.callee;
if (callee.type === Syntax.Identifier && callee.name === 'super'
|| callee.type == Syntax.MemberExpression
&& callee.object.name === 'super') {
return true;
}
}
return false;
};
/**
* @param {function} traverse
* @param {object} node
* @param {array} path
* @param {object} state
*/
function visitSuperMemberExpression(traverse, node, path, state) {
var superClassName = state.superClass.name;
utils.append(SUPER_PROTO_IDENT_PREFIX + superClassName, state);
utils.move(node.object.range[1], state);
}
visitSuperMemberExpression.test = function(node, path, state) {
return state.superClass
&& node.type === Syntax.MemberExpression
&& node.object.type === Syntax.Identifier
&& node.object.name === 'super';
};
exports.resetSymbols = resetSymbols;
exports.visitorList = [
visitClassDeclaration,
visitClassExpression,
visitClassFunctionExpression,
visitClassMethod,
visitClassMethodParam,
visitPrivateIdentifier,
visitSuperCallExpression,
visitSuperMemberExpression
];
},{"../src/utils":20,"base62":7,"esprima-fb":6}],23:[function(_dereq_,module,exports){
/**
* Copyright 2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*global exports:true*/
/**
* Implements ES6 destructuring assignment and pattern matchng.
*
* function init({port, ip, coords: [x, y]}) {
* return (x && y) ? {id, port} : {ip};
* };
*
* function init($__0) {
* var
* port = $__0.port,
* ip = $__0.ip,
* $__1 = $__0.coords,
* x = $__1[0],
* y = $__1[1];
* return (x && y) ? {id, port} : {ip};
* }
*
* var x, {ip, port} = init({ip, port});
*
* var x, $__0 = init({ip, port}), ip = $__0.ip, port = $__0.port;
*
*/
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('../src/utils');
var restParamVisitors = _dereq_('./es6-rest-param-visitors');
// -------------------------------------------------------
// 1. Structured variable declarations.
//
// var [a, b] = [b, a];
// var {x, y} = {y, x};
// -------------------------------------------------------
function visitStructuredVariable(traverse, node, path, state) {
// Allocate new temp for the pattern.
utils.append(getTmpVar(state.localScope.tempVarIndex) + '=', state);
// Skip the pattern and assign the init to the temp.
utils.catchupWhiteSpace(node.init.range[0], state);
traverse(node.init, path, state);
utils.catchup(node.init.range[1], state);
// Render the destructured data.
utils.append(',' + getDestructuredComponents(node.id, state), state);
state.localScope.tempVarIndex++;
return false;
}
visitStructuredVariable.test = function(node, path, state) {
return node.type === Syntax.VariableDeclarator &&
isStructuredPattern(node.id);
};
function isStructuredPattern(node) {
return node.type === Syntax.ObjectPattern ||
node.type === Syntax.ArrayPattern;
}
// Main function which does actual recursive destructuring
// of nested complex structures.
function getDestructuredComponents(node, state) {
var tmpIndex = state.localScope.tempVarIndex;
var components = [];
var patternItems = getPatternItems(node);
for (var idx = 0; idx < patternItems.length; idx++) {
var item = patternItems[idx];
if (!item) {
continue;
}
// Depending on pattern type (Array or Object), we get
// corresponding pattern item parts.
var accessor = getPatternItemAccessor(node, item, tmpIndex, idx);
var value = getPatternItemValue(node, item);
// TODO(dmitrys): implement default values: {x, y=5}
if (value.type === Syntax.Identifier) {
// Simple pattern item.
components.push(value.name + '=' + accessor);
} else if (value.type === Syntax.SpreadElement) {
// Spread/rest of an array.
// TODO(dmitrys): support spread in the middle of a pattern
// and also for function param patterns: [x, ...xs, y]
components.push(value.argument.name +
'=Array.prototype.slice.call(' +
getTmpVar(tmpIndex) + ',' + idx + ')'
);
} else {
// Complex sub-structure.
components.push(
getInitialValue(++state.localScope.tempVarIndex, accessor) + ',' +
getDestructuredComponents(value, state)
);
}
}
return components.join(',');
}
function getPatternItems(node) {
return node.properties || node.elements;
}
function getPatternItemAccessor(node, patternItem, tmpIndex, idx) {
var tmpName = getTmpVar(tmpIndex);
return node.type === Syntax.ObjectPattern
? tmpName + '.' + patternItem.key.name
: tmpName + '[' + idx + ']';
}
function getPatternItemValue(node, patternItem) {
return node.type === Syntax.ObjectPattern
? patternItem.value
: patternItem;
}
function getInitialValue(index, value) {
return getTmpVar(index) + '=' + value;
}
function getTmpVar(index) {
return '$__' + index;
}
// -------------------------------------------------------
// 2. Assignment expression.
//
// [a, b] = [b, a];
// ({x, y} = {y, x});
// -------------------------------------------------------
function visitStructuredAssignment(traverse, node, path, state) {
var exprNode = node.expression;
utils.append('var ' + getTmpVar(state.localScope.tempVarIndex) + '=', state);
utils.catchupWhiteSpace(exprNode.right.range[0], state);
traverse(exprNode.right, path, state);
utils.catchup(exprNode.right.range[1], state);
utils.append(
',' + getDestructuredComponents(exprNode.left, state) + ';',
state
);
utils.catchupWhiteSpace(node.range[1], state);
state.localScope.tempVarIndex++;
return false;
}
visitStructuredAssignment.test = function(node, path, state) {
// We consider the expression statement rather than just assignment
// expression to cover case with object patters which should be
// wrapped in grouping operator: ({x, y} = {y, x});
return node.type === Syntax.ExpressionStatement &&
node.expression.type === Syntax.AssignmentExpression &&
isStructuredPattern(node.expression.left);
};
// -------------------------------------------------------
// 3. Structured parameter.
//
// function foo({x, y}) { ... }
// -------------------------------------------------------
function visitStructuredParameter(traverse, node, path, state) {
utils.append(getTmpVar(getParamIndex(node, path)), state);
utils.catchupWhiteSpace(node.range[1], state);
return true;
}
function getParamIndex(paramNode, path) {
var funcNode = path[0];
var tmpIndex = 0;
for (var k = 0; k < funcNode.params.length; k++) {
var param = funcNode.params[k];
if (param === paramNode) {
break;
}
if (isStructuredPattern(param)) {
tmpIndex++;
}
}
return tmpIndex;
}
visitStructuredParameter.test = function(node, path, state) {
return isStructuredPattern(node) && isFunctionNode(path[0]);
};
function isFunctionNode(node) {
return (node.type == Syntax.FunctionDeclaration ||
node.type == Syntax.FunctionExpression ||
node.type == Syntax.MethodDefinition ||
node.type == Syntax.ArrowFunctionExpression);
}
// -------------------------------------------------------
// 4. Function body for structured parameters.
//
// function foo({x, y}) { x; y; }
// -------------------------------------------------------
function visitFunctionBodyForStructuredParameter(traverse, node, path, state) {
var funcNode = path[0];
utils.catchup(funcNode.body.range[0] + 1, state);
renderDestructuredComponents(funcNode, state);
if (funcNode.rest) {
utils.append(
restParamVisitors.renderRestParamSetup(funcNode),
state
);
}
return true;
}
function renderDestructuredComponents(funcNode, state) {
var destructuredComponents = [];
for (var k = 0; k < funcNode.params.length; k++) {
var param = funcNode.params[k];
if (isStructuredPattern(param)) {
destructuredComponents.push(
getDestructuredComponents(param, state)
);
state.localScope.tempVarIndex++;
}
}
if (destructuredComponents.length) {
utils.append('var ' + destructuredComponents.join(',') + ';', state);
}
}
visitFunctionBodyForStructuredParameter.test = function(node, path, state) {
return node.type === Syntax.BlockStatement && isFunctionNode(path[0]);
};
exports.visitorList = [
visitStructuredVariable,
visitStructuredAssignment,
visitStructuredParameter,
visitFunctionBodyForStructuredParameter
];
exports.renderDestructuredComponents = renderDestructuredComponents;
},{"../src/utils":20,"./es6-rest-param-visitors":26,"esprima-fb":6}],24:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint node:true*/
/**
* Desugars concise methods of objects to ES3 function expressions.
*
* var foo = {
* method(x, y) { ... }
* };
*
* var foo = {
* method: function(x, y) { ... }
* };
*
*/
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('../src/utils');
function visitObjectConciseMethod(traverse, node, path, state) {
utils.catchup(node.key.range[1], state);
utils.append(':function', state);
path.unshift(node);
traverse(node.value, path, state);
path.shift();
return false;
}
visitObjectConciseMethod.test = function(node, path, state) {
return node.type === Syntax.Property &&
node.value.type === Syntax.FunctionExpression &&
node.method === true;
};
exports.visitorList = [
visitObjectConciseMethod
];
},{"../src/utils":20,"esprima-fb":6}],25:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint node: true*/
/**
* Desugars ES6 Object Literal short notations into ES3 full notation.
*
* // Easier return values.
* function foo(x, y) {
* return {x, y}; // {x: x, y: y}
* };
*
* // Destrucruting.
* function init({port, ip, coords: {x, y}}) { ... }
*
*/
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('../src/utils');
/**
* @public
*/
function visitObjectLiteralShortNotation(traverse, node, path, state) {
utils.catchup(node.key.range[1], state);
utils.append(':' + node.key.name, state);
return false;
}
visitObjectLiteralShortNotation.test = function(node, path, state) {
return node.type === Syntax.Property &&
node.kind === 'init' &&
node.shorthand === true &&
path[0].type !== Syntax.ObjectPattern;
};
exports.visitorList = [
visitObjectLiteralShortNotation
];
},{"../src/utils":20,"esprima-fb":6}],26:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint node:true*/
/**
* Desugars ES6 rest parameters into ES3 arguments slicing.
*
* function printf(template, ...args) {
* args.forEach(...);
* };
*
* function printf(template) {
* var args = [].slice.call(arguments, 1);
* args.forEach(...);
* };
*
*/
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('../src/utils');
function _nodeIsFunctionWithRestParam(node) {
return (node.type === Syntax.FunctionDeclaration
|| node.type === Syntax.FunctionExpression
|| node.type === Syntax.ArrowFunctionExpression)
&& node.rest;
}
function visitFunctionParamsWithRestParam(traverse, node, path, state) {
if (node.parametricType) {
utils.catchup(node.parametricType.range[0], state);
path.unshift(node);
traverse(node.parametricType, path, state);
path.shift();
}
// Render params.
if (node.params.length) {
path.unshift(node);
traverse(node.params, path, state);
path.shift();
} else {
// -3 is for ... of the rest.
utils.catchup(node.rest.range[0] - 3, state);
}
utils.catchupWhiteSpace(node.rest.range[1], state);
path.unshift(node);
traverse(node.body, path, state);
path.shift();
return false;
}
visitFunctionParamsWithRestParam.test = function(node, path, state) {
return _nodeIsFunctionWithRestParam(node);
};
function renderRestParamSetup(functionNode) {
return 'var ' + functionNode.rest.name + '=Array.prototype.slice.call(' +
'arguments,' +
functionNode.params.length +
');';
}
function visitFunctionBodyWithRestParam(traverse, node, path, state) {
utils.catchup(node.range[0] + 1, state);
var parentNode = path[0];
utils.append(renderRestParamSetup(parentNode), state);
return true;
}
visitFunctionBodyWithRestParam.test = function(node, path, state) {
return node.type === Syntax.BlockStatement
&& _nodeIsFunctionWithRestParam(path[0]);
};
exports.renderRestParamSetup = renderRestParamSetup;
exports.visitorList = [
visitFunctionParamsWithRestParam,
visitFunctionBodyWithRestParam
];
},{"../src/utils":20,"esprima-fb":6}],27:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*jslint node:true*/
/**
* @typechecks
*/
'use strict';
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('../src/utils');
/**
* http://people.mozilla.org/~jorendorff/es6-draft.html#sec-12.1.9
*/
function visitTemplateLiteral(traverse, node, path, state) {
var templateElements = node.quasis;
utils.append('(', state);
for (var ii = 0; ii < templateElements.length; ii++) {
var templateElement = templateElements[ii];
if (templateElement.value.raw !== '') {
utils.append(getCookedValue(templateElement), state);
if (!templateElement.tail) {
// + between element and substitution
utils.append(' + ', state);
}
// maintain line numbers
utils.move(templateElement.range[0], state);
utils.catchupNewlines(templateElement.range[1], state);
} else { // templateElement.value.raw === ''
// Concatenat adjacent substitutions, e.g. `${x}${y}`. Empty templates
// appear before the first and after the last element - nothing to add in
// those cases.
if (ii > 0 && !templateElement.tail) {
// + between substitution and substitution
utils.append(' + ', state);
}
}
utils.move(templateElement.range[1], state);
if (!templateElement.tail) {
var substitution = node.expressions[ii];
if (substitution.type === Syntax.Identifier ||
substitution.type === Syntax.MemberExpression ||
substitution.type === Syntax.CallExpression) {
utils.catchup(substitution.range[1], state);
} else {
utils.append('(', state);
traverse(substitution, path, state);
utils.catchup(substitution.range[1], state);
utils.append(')', state);
}
// if next templateElement isn't empty...
if (templateElements[ii + 1].value.cooked !== '') {
utils.append(' + ', state);
}
}
}
utils.move(node.range[1], state);
utils.append(')', state);
return false;
}
visitTemplateLiteral.test = function(node, path, state) {
return node.type === Syntax.TemplateLiteral;
};
/**
* http://people.mozilla.org/~jorendorff/es6-draft.html#sec-12.2.6
*/
function visitTaggedTemplateExpression(traverse, node, path, state) {
var template = node.quasi;
var numQuasis = template.quasis.length;
// print the tag
utils.move(node.tag.range[0], state);
traverse(node.tag, path, state);
utils.catchup(node.tag.range[1], state);
// print array of template elements
utils.append('(function() { var siteObj = [', state);
for (var ii = 0; ii < numQuasis; ii++) {
utils.append(getCookedValue(template.quasis[ii]), state);
if (ii !== numQuasis - 1) {
utils.append(', ', state);
}
}
utils.append(']; siteObj.raw = [', state);
for (ii = 0; ii < numQuasis; ii++) {
utils.append(getRawValue(template.quasis[ii]), state);
if (ii !== numQuasis - 1) {
utils.append(', ', state);
}
}
utils.append(
']; Object.freeze(siteObj.raw); Object.freeze(siteObj); return siteObj; }()',
state
);
// print substitutions
if (numQuasis > 1) {
for (ii = 0; ii < template.expressions.length; ii++) {
var expression = template.expressions[ii];
utils.append(', ', state);
// maintain line numbers by calling catchupWhiteSpace over the whole
// previous TemplateElement
utils.move(template.quasis[ii].range[0], state);
utils.catchupNewlines(template.quasis[ii].range[1], state);
utils.move(expression.range[0], state);
traverse(expression, path, state);
utils.catchup(expression.range[1], state);
}
}
// print blank lines to push the closing ) down to account for the final
// TemplateElement.
utils.catchupNewlines(node.range[1], state);
utils.append(')', state);
return false;
}
visitTaggedTemplateExpression.test = function(node, path, state) {
return node.type === Syntax.TaggedTemplateExpression;
};
function getCookedValue(templateElement) {
return JSON.stringify(templateElement.value.cooked);
}
function getRawValue(templateElement) {
return JSON.stringify(templateElement.value.raw);
}
exports.visitorList = [
visitTemplateLiteral,
visitTaggedTemplateExpression
];
},{"../src/utils":20,"esprima-fb":6}],28:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* jshint browser: true */
/* jslint evil: true */
'use strict';
var buffer = _dereq_('buffer');
var docblock = _dereq_('jstransform/src/docblock');
var transform = _dereq_('jstransform').transform;
var visitors = _dereq_('./fbtransform/visitors');
var runScripts;
var loadScripts;
var headEl;
var dummyAnchor;
var inlineScriptCount = 0;
// The source-map library relies on Object.defineProperty, but IE8 doesn't
// support it fully even with es5-sham. Indeed, es5-sham's defineProperty
// throws when Object.prototype.__defineGetter__ is missing, so we skip building
// the source map in that case.
var supportsAccessors = Object.prototype.hasOwnProperty('__defineGetter__');
/**
* Run provided code through jstransform.
*
* @param {string} source Original source code
* @param {object?} options Options to pass to jstransform
* @return {object} object as returned from jstransform
*/
function transformReact(source, options) {
// TODO: just use react-tools
var visitorList;
if (options && options.harmony) {
visitorList = visitors.getAllVisitors();
} else {
visitorList = visitors.transformVisitors.react;
}
return transform(visitorList, source, {
sourceMap: supportsAccessors
});
}
/**
* Eval provided source after transforming it.
*
* @param {string} source Original source code
* @param {object?} options Options to pass to jstransform
*/
function exec(source, options) {
return eval(transformReact(source, options).code);
}
/**
* This method returns a nicely formated line of code pointing to the exact
* location of the error `e`. The line is limited in size so big lines of code
* are also shown in a readable way.
*
* Example:
* ... x', overflow:'scroll'}} id={} onScroll={this.scroll} class=" ...
* ^
*
* @param {string} code The full string of code
* @param {Error} e The error being thrown
* @return {string} formatted message
* @internal
*/
function createSourceCodeErrorMessage(code, e) {
var sourceLines = code.split('\n');
var erroneousLine = sourceLines[e.lineNumber - 1];
// Removes any leading indenting spaces and gets the number of
// chars indenting the `erroneousLine`
var indentation = 0;
erroneousLine = erroneousLine.replace(/^\s+/, function(leadingSpaces) {
indentation = leadingSpaces.length;
return '';
});
// Defines the number of characters that are going to show
// before and after the erroneous code
var LIMIT = 30;
var errorColumn = e.column - indentation;
if (errorColumn > LIMIT) {
erroneousLine = '... ' + erroneousLine.slice(errorColumn - LIMIT);
errorColumn = 4 + LIMIT;
}
if (erroneousLine.length - errorColumn > LIMIT) {
erroneousLine = erroneousLine.slice(0, errorColumn + LIMIT) + ' ...';
}
var message = '\n\n' + erroneousLine + '\n';
message += new Array(errorColumn - 1).join(' ') + '^';
return message;
}
/**
* Actually transform the code.
*
* @param {string} code
* @param {string?} url
* @param {object?} options
* @return {string} The transformed code.
* @internal
*/
function transformCode(code, url, options) {
var jsx = docblock.parseAsObject(docblock.extract(code)).jsx;
if (jsx) {
try {
var transformed = transformReact(code, options);
} catch(e) {
e.message += '\n at ';
if (url) {
if ('fileName' in e) {
// We set `fileName` if it's supported by this error object and
// a `url` was provided.
// The error will correctly point to `url` in Firefox.
e.fileName = url;
}
e.message += url + ':' + e.lineNumber + ':' + e.column;
} else {
e.message += location.href;
}
e.message += createSourceCodeErrorMessage(code, e);
throw e;
}
if (!transformed.sourceMap) {
return transformed.code;
}
var map = transformed.sourceMap.toJSON();
var source;
if (url == null) {
source = "Inline JSX script";
inlineScriptCount++;
if (inlineScriptCount > 1) {
source += ' (' + inlineScriptCount + ')';
}
} else if (dummyAnchor) {
// Firefox has problems when the sourcemap source is a proper URL with a
// protocol and hostname, so use the pathname. We could use just the
// filename, but hopefully using the full path will prevent potential
// issues where the same filename exists in multiple directories.
dummyAnchor.href = url;
source = dummyAnchor.pathname.substr(1);
}
map.sources = [source];
map.sourcesContent = [code];
return (
transformed.code +
'\n//# sourceMappingURL=data:application/json;base64,' +
buffer.Buffer(JSON.stringify(map)).toString('base64')
);
} else {
// TODO: warn that we found a script tag missing the docblock?
// or warn and proceed anyway?
// or warn, add it ourselves, and proceed anyway?
return code;
}
}
/**
* Appends a script element at the end of the <head> with the content of code,
* after transforming it.
*
* @param {string} code The original source code
* @param {string?} url Where the code came from. null if inline
* @param {object?} options Options to pass to jstransform
* @internal
*/
function run(code, url, options) {
var scriptEl = document.createElement('script');
scriptEl.text = transformCode(code, url, options);
headEl.appendChild(scriptEl);
}
/**
* Load script from the provided url and pass the content to the callback.
*
* @param {string} url The location of the script src
* @param {function} callback Function to call with the content of url
* @internal
*/
function load(url, callback) {
var xhr;
xhr = window.ActiveXObject ? new window.ActiveXObject('Microsoft.XMLHTTP')
: new XMLHttpRequest();
// async, however scripts will be executed in the order they are in the
// DOM to mirror normal script loading.
xhr.open('GET', url, true);
if ('overrideMimeType' in xhr) {
xhr.overrideMimeType('text/plain');
}
xhr.onreadystatechange = function() {
if (xhr.readyState === 4) {
if (xhr.status === 0 || xhr.status === 200) {
callback(xhr.responseText, url);
} else {
throw new Error("Could not load " + url);
}
}
};
return xhr.send(null);
}
/**
* Loop over provided script tags and get the content, via innerHTML if an
* inline script, or by using XHR. Transforms are applied if needed. The scripts
* are executed in the order they are found on the page.
*
* @param {array} scripts The <script> elements to load and run.
* @internal
*/
function loadScripts(scripts) {
var result = scripts.map(function() {
return false;
});
var count = result.length;
function check() {
var script, i;
for (i = 0; i < count; i++) {
script = result[i];
if (script && !script.executed) {
run(script.content, script.url, script.options);
script.executed = true;
} else if (!script) {
break;
}
}
}
scripts.forEach(function(script, i) {
var options;
if (script.type.indexOf('harmony=true') !== -1) {
options = {
harmony: true
};
}
if (script.src) {
load(script.src, function(content, url) {
result[i] = {
executed: false,
content: content,
url: url,
options: options
};
check();
});
} else {
result[i] = {
executed: false,
content: script.innerHTML,
url: null,
options: options
};
check();
}
});
}
/**
* Find and run all script tags with type="text/jsx".
*
* @internal
*/
function runScripts() {
var scripts = document.getElementsByTagName('script');
// Array.prototype.slice cannot be used on NodeList on IE8
var jsxScripts = [];
for (var i = 0; i < scripts.length; i++) {
if (scripts.item(i).type.indexOf('text/jsx') !== -1) {
jsxScripts.push(scripts.item(i));
}
}
console.warn(
'You are using the in-browser JSX transformer. Be sure to precompile ' +
'your JSX for production - ' +
'http://facebook.github.io/react/docs/tooling-integration.html#jsx'
);
loadScripts(jsxScripts);
}
// Listen for load event if we're in a browser and then kick off finding and
// running of scripts.
if (typeof window !== "undefined" && window !== null) {
headEl = document.getElementsByTagName('head')[0];
dummyAnchor = document.createElement('a');
if (window.addEventListener) {
window.addEventListener('DOMContentLoaded', runScripts, false);
} else {
window.attachEvent('onload', runScripts);
}
}
module.exports = {
transform: transformReact,
exec: exec
};
},{"./fbtransform/visitors":32,"buffer":1,"jstransform":19,"jstransform/src/docblock":18}],29:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*global exports:true*/
"use strict";
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('jstransform/src/utils');
var FALLBACK_TAGS = _dereq_('./xjs').knownTags;
var renderXJSExpressionContainer =
_dereq_('./xjs').renderXJSExpressionContainer;
var renderXJSLiteral = _dereq_('./xjs').renderXJSLiteral;
var quoteAttrName = _dereq_('./xjs').quoteAttrName;
var trimLeft = _dereq_('./xjs').trimLeft;
/**
* Customized desugar processor.
*
* Currently: (Somewhat tailored to React)
* <X> </X> => X(null, null)
* <X prop="1" /> => X({prop: '1'}, null)
* <X prop="2"><Y /></X> => X({prop:'2'}, Y(null, null))
* <X prop="2"><Y /><Z /></X> => X({prop:'2'}, [Y(null, null), Z(null, null)])
*
* Exceptions to the simple rules above:
* if a property is named "class" it will be changed to "className" in the
* javascript since "class" is not a valid object key in javascript.
*/
var JSX_ATTRIBUTE_TRANSFORMS = {
cxName: function(attr) {
throw new Error(
"cxName is no longer supported, use className={cx(...)} instead"
);
}
};
/**
* Removes all non-whitespace/parenthesis characters
*/
var reNonWhiteParen = /([^\s\(\)])/g;
function stripNonWhiteParen(value) {
return value.replace(reNonWhiteParen, '');
}
function visitReactTag(traverse, object, path, state) {
var jsxObjIdent = utils.getDocblock(state).jsx;
var openingElement = object.openingElement;
var nameObject = openingElement.name;
var attributesObject = openingElement.attributes;
utils.catchup(openingElement.range[0], state, trimLeft);
if (nameObject.type === Syntax.XJSNamespacedName && nameObject.namespace) {
throw new Error('Namespace tags are not supported. ReactJSX is not XML.');
}
// Only identifiers can be fallback tags or need quoting. We don't need to
// handle quoting for other types.
var didAddTag = false;
// Only identifiers can be fallback tags. XJSMemberExpressions are not.
if (nameObject.type === Syntax.XJSIdentifier) {
var tagName = nameObject.name;
var quotedTagName = quoteAttrName(tagName);
if (FALLBACK_TAGS.hasOwnProperty(tagName)) {
// "Properly" handle invalid identifiers, like <font-face>, which needs to
// be enclosed in quotes.
var predicate =
tagName === quotedTagName ?
('.' + tagName) :
('[' + quotedTagName + ']');
utils.append(jsxObjIdent + predicate, state);
utils.move(nameObject.range[1], state);
didAddTag = true;
} else if (tagName !== quotedTagName) {
// If we're in the case where we need to quote and but don't recognize the
// tag, throw.
throw new Error(
'Tags must be valid JS identifiers or a recognized special case. `<' +
tagName + '>` is not one of them.'
);
}
}
// Use utils.catchup in this case so we can easily handle XJSMemberExpressions
// which look like Foo.Bar.Baz. This also handles unhyphenated XJSIdentifiers
// that aren't fallback tags.
if (!didAddTag) {
utils.move(nameObject.range[0], state);
utils.catchup(nameObject.range[1], state);
}
utils.append('(', state);
var hasAttributes = attributesObject.length;
var hasAtLeastOneSpreadProperty = attributesObject.some(function(attr) {
return attr.type === Syntax.XJSSpreadAttribute;
});
// if we don't have any attributes, pass in null
if (hasAtLeastOneSpreadProperty) {
utils.append('Object.assign({', state);
} else if (hasAttributes) {
utils.append('{', state);
} else {
utils.append('null', state);
}
// keep track of if the previous attribute was a spread attribute
var previousWasSpread = false;
// write attributes
attributesObject.forEach(function(attr, index) {
var isLast = index === attributesObject.length - 1;
if (attr.type === Syntax.XJSSpreadAttribute) {
// Plus 1 to skip `{`.
utils.move(attr.range[0] + 1, state);
// Close the previous object or initial object
if (!previousWasSpread) {
utils.append('}, ', state);
}
// Move to the expression start, ignoring everything except parenthesis
// and whitespace.
utils.catchup(attr.argument.range[0], state, stripNonWhiteParen);
traverse(attr.argument, path, state);
utils.catchup(attr.argument.range[1], state);
// Move to the end, ignoring parenthesis and the closing `}`
utils.catchup(attr.range[1] - 1, state, stripNonWhiteParen);
if (!isLast) {
utils.append(', ', state);
}
utils.move(attr.range[1], state);
previousWasSpread = true;
return;
}
// If the next attribute is a spread, we're effective last in this object
if (!isLast) {
isLast = attributesObject[index + 1].type === Syntax.XJSSpreadAttribute;
}
if (attr.name.namespace) {
throw new Error(
'Namespace attributes are not supported. ReactJSX is not XML.');
}
var name = attr.name.name;
utils.catchup(attr.range[0], state, trimLeft);
if (previousWasSpread) {
utils.append('{', state);
}
utils.append(quoteAttrName(name), state);
utils.append(': ', state);
if (!attr.value) {
state.g.buffer += 'true';
state.g.position = attr.name.range[1];
if (!isLast) {
utils.append(', ', state);
}
} else {
utils.move(attr.name.range[1], state);
// Use catchupNewlines to skip over the '=' in the attribute
utils.catchupNewlines(attr.value.range[0], state);
if (JSX_ATTRIBUTE_TRANSFORMS.hasOwnProperty(attr.name.name)) {
utils.append(JSX_ATTRIBUTE_TRANSFORMS[attr.name.name](attr), state);
utils.move(attr.value.range[1], state);
if (!isLast) {
utils.append(', ', state);
}
} else if (attr.value.type === Syntax.Literal) {
renderXJSLiteral(attr.value, isLast, state);
} else {
renderXJSExpressionContainer(traverse, attr.value, isLast, path, state);
}
}
utils.catchup(attr.range[1], state, trimLeft);
previousWasSpread = false;
});
if (!openingElement.selfClosing) {
utils.catchup(openingElement.range[1] - 1, state, trimLeft);
utils.move(openingElement.range[1], state);
}
if (hasAttributes && !previousWasSpread) {
utils.append('}', state);
}
if (hasAtLeastOneSpreadProperty) {
utils.append(')', state);
}
// filter out whitespace
var childrenToRender = object.children.filter(function(child) {
return !(child.type === Syntax.Literal
&& typeof child.value === 'string'
&& child.value.match(/^[ \t]*[\r\n][ \t\r\n]*$/));
});
if (childrenToRender.length > 0) {
var lastRenderableIndex;
childrenToRender.forEach(function(child, index) {
if (child.type !== Syntax.XJSExpressionContainer ||
child.expression.type !== Syntax.XJSEmptyExpression) {
lastRenderableIndex = index;
}
});
if (lastRenderableIndex !== undefined) {
utils.append(', ', state);
}
childrenToRender.forEach(function(child, index) {
utils.catchup(child.range[0], state, trimLeft);
var isLast = index >= lastRenderableIndex;
if (child.type === Syntax.Literal) {
renderXJSLiteral(child, isLast, state);
} else if (child.type === Syntax.XJSExpressionContainer) {
renderXJSExpressionContainer(traverse, child, isLast, path, state);
} else {
traverse(child, path, state);
if (!isLast) {
utils.append(', ', state);
}
}
utils.catchup(child.range[1], state, trimLeft);
});
}
if (openingElement.selfClosing) {
// everything up to />
utils.catchup(openingElement.range[1] - 2, state, trimLeft);
utils.move(openingElement.range[1], state);
} else {
// everything up to </ sdflksjfd>
utils.catchup(object.closingElement.range[0], state, trimLeft);
utils.move(object.closingElement.range[1], state);
}
utils.append(')', state);
return false;
}
visitReactTag.test = function(object, path, state) {
// only run react when react @jsx namespace is specified in docblock
var jsx = utils.getDocblock(state).jsx;
return object.type === Syntax.XJSElement && jsx && jsx.length;
};
exports.visitorList = [
visitReactTag
];
},{"./xjs":31,"esprima-fb":6,"jstransform/src/utils":20}],30:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*global exports:true*/
"use strict";
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('jstransform/src/utils');
function addDisplayName(displayName, object, state) {
if (object &&
object.type === Syntax.CallExpression &&
object.callee.type === Syntax.MemberExpression &&
object.callee.object.type === Syntax.Identifier &&
object.callee.object.name === 'React' &&
object.callee.property.type === Syntax.Identifier &&
object.callee.property.name === 'createClass' &&
object['arguments'].length === 1 &&
object['arguments'][0].type === Syntax.ObjectExpression) {
// Verify that the displayName property isn't already set
var properties = object['arguments'][0].properties;
var safe = properties.every(function(property) {
var value = property.key.type === Syntax.Identifier ?
property.key.name :
property.key.value;
return value !== 'displayName';
});
if (safe) {
utils.catchup(object['arguments'][0].range[0] + 1, state);
utils.append("displayName: '" + displayName + "',", state);
}
}
}
/**
* Transforms the following:
*
* var MyComponent = React.createClass({
* render: ...
* });
*
* into:
*
* var MyComponent = React.createClass({
* displayName: 'MyComponent',
* render: ...
* });
*
* Also catches:
*
* MyComponent = React.createClass(...);
* exports.MyComponent = React.createClass(...);
* module.exports = {MyComponent: React.createClass(...)};
*/
function visitReactDisplayName(traverse, object, path, state) {
var left, right;
if (object.type === Syntax.AssignmentExpression) {
left = object.left;
right = object.right;
} else if (object.type === Syntax.Property) {
left = object.key;
right = object.value;
} else if (object.type === Syntax.VariableDeclarator) {
left = object.id;
right = object.init;
}
if (left && left.type === Syntax.MemberExpression) {
left = left.property;
}
if (left && left.type === Syntax.Identifier) {
addDisplayName(left.name, right, state);
}
}
/**
* Will only run on @jsx files for now.
*/
visitReactDisplayName.test = function(object, path, state) {
if (utils.getDocblock(state).jsx) {
return (
object.type === Syntax.AssignmentExpression ||
object.type === Syntax.Property ||
object.type === Syntax.VariableDeclarator
);
} else {
return false;
}
};
exports.visitorList = [
visitReactDisplayName
];
},{"esprima-fb":6,"jstransform/src/utils":20}],31:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*global exports:true*/
"use strict";
var Syntax = _dereq_('esprima-fb').Syntax;
var utils = _dereq_('jstransform/src/utils');
var knownTags = {
a: true,
abbr: true,
address: true,
applet: true,
area: true,
article: true,
aside: true,
audio: true,
b: true,
base: true,
bdi: true,
bdo: true,
big: true,
blockquote: true,
body: true,
br: true,
button: true,
canvas: true,
caption: true,
circle: true,
cite: true,
code: true,
col: true,
colgroup: true,
command: true,
data: true,
datalist: true,
dd: true,
defs: true,
del: true,
details: true,
dfn: true,
dialog: true,
div: true,
dl: true,
dt: true,
ellipse: true,
em: true,
embed: true,
fieldset: true,
figcaption: true,
figure: true,
footer: true,
form: true,
g: true,
h1: true,
h2: true,
h3: true,
h4: true,
h5: true,
h6: true,
head: true,
header: true,
hgroup: true,
hr: true,
html: true,
i: true,
iframe: true,
img: true,
input: true,
ins: true,
kbd: true,
keygen: true,
label: true,
legend: true,
li: true,
line: true,
linearGradient: true,
link: true,
main: true,
map: true,
mark: true,
marquee: true,
mask: false,
menu: true,
menuitem: true,
meta: true,
meter: true,
nav: true,
noscript: true,
object: true,
ol: true,
optgroup: true,
option: true,
output: true,
p: true,
param: true,
path: true,
pattern: false,
picture: true,
polygon: true,
polyline: true,
pre: true,
progress: true,
q: true,
radialGradient: true,
rect: true,
rp: true,
rt: true,
ruby: true,
s: true,
samp: true,
script: true,
section: true,
select: true,
small: true,
source: true,
span: true,
stop: true,
strong: true,
style: true,
sub: true,
summary: true,
sup: true,
svg: true,
table: true,
tbody: true,
td: true,
text: true,
textarea: true,
tfoot: true,
th: true,
thead: true,
time: true,
title: true,
tr: true,
track: true,
tspan: true,
u: true,
ul: true,
'var': true,
video: true,
wbr: true
};
function renderXJSLiteral(object, isLast, state, start, end) {
var lines = object.value.split(/\r\n|\n|\r/);
if (start) {
utils.append(start, state);
}
var lastNonEmptyLine = 0;
lines.forEach(function (line, index) {
if (line.match(/[^ \t]/)) {
lastNonEmptyLine = index;
}
});
lines.forEach(function (line, index) {
var isFirstLine = index === 0;
var isLastLine = index === lines.length - 1;
var isLastNonEmptyLine = index === lastNonEmptyLine;
// replace rendered whitespace tabs with spaces
var trimmedLine = line.replace(/\t/g, ' ');
// trim whitespace touching a newline
if (!isFirstLine) {
trimmedLine = trimmedLine.replace(/^[ ]+/, '');
}
if (!isLastLine) {
trimmedLine = trimmedLine.replace(/[ ]+$/, '');
}
if (!isFirstLine) {
utils.append(line.match(/^[ \t]*/)[0], state);
}
if (trimmedLine || isLastNonEmptyLine) {
utils.append(
JSON.stringify(trimmedLine) +
(!isLastNonEmptyLine ? " + ' ' +" : ''),
state);
if (isLastNonEmptyLine) {
if (end) {
utils.append(end, state);
}
if (!isLast) {
utils.append(', ', state);
}
}
// only restore tail whitespace if line had literals
if (trimmedLine && !isLastLine) {
utils.append(line.match(/[ \t]*$/)[0], state);
}
}
if (!isLastLine) {
utils.append('\n', state);
}
});
utils.move(object.range[1], state);
}
function renderXJSExpressionContainer(traverse, object, isLast, path, state) {
// Plus 1 to skip `{`.
utils.move(object.range[0] + 1, state);
traverse(object.expression, path, state);
if (!isLast && object.expression.type !== Syntax.XJSEmptyExpression) {
// If we need to append a comma, make sure to do so after the expression.
utils.catchup(object.expression.range[1], state, trimLeft);
utils.append(', ', state);
}
// Minus 1 to skip `}`.
utils.catchup(object.range[1] - 1, state, trimLeft);
utils.move(object.range[1], state);
return false;
}
function quoteAttrName(attr) {
// Quote invalid JS identifiers.
if (!/^[a-z_$][a-z\d_$]*$/i.test(attr)) {
return "'" + attr + "'";
}
return attr;
}
function trimLeft(value) {
return value.replace(/^[ ]+/, '');
}
exports.knownTags = knownTags;
exports.renderXJSExpressionContainer = renderXJSExpressionContainer;
exports.renderXJSLiteral = renderXJSLiteral;
exports.quoteAttrName = quoteAttrName;
exports.trimLeft = trimLeft;
},{"esprima-fb":6,"jstransform/src/utils":20}],32:[function(_dereq_,module,exports){
/*global exports:true*/
var es6ArrowFunctions = _dereq_('jstransform/visitors/es6-arrow-function-visitors');
var es6Classes = _dereq_('jstransform/visitors/es6-class-visitors');
var es6Destructuring = _dereq_('jstransform/visitors/es6-destructuring-visitors');
var es6ObjectConciseMethod = _dereq_('jstransform/visitors/es6-object-concise-method-visitors');
var es6ObjectShortNotation = _dereq_('jstransform/visitors/es6-object-short-notation-visitors');
var es6RestParameters = _dereq_('jstransform/visitors/es6-rest-param-visitors');
var es6Templates = _dereq_('jstransform/visitors/es6-template-visitors');
var react = _dereq_('./transforms/react');
var reactDisplayName = _dereq_('./transforms/reactDisplayName');
/**
* Map from transformName => orderedListOfVisitors.
*/
var transformVisitors = {
'es6-arrow-functions': es6ArrowFunctions.visitorList,
'es6-classes': es6Classes.visitorList,
'es6-destructuring': es6Destructuring.visitorList,
'es6-object-concise-method': es6ObjectConciseMethod.visitorList,
'es6-object-short-notation': es6ObjectShortNotation.visitorList,
'es6-rest-params': es6RestParameters.visitorList,
'es6-templates': es6Templates.visitorList,
'react': react.visitorList.concat(reactDisplayName.visitorList)
};
/**
* Specifies the order in which each transform should run.
*/
var transformRunOrder = [
'es6-arrow-functions',
'es6-object-concise-method',
'es6-object-short-notation',
'es6-classes',
'es6-rest-params',
'es6-templates',
'es6-destructuring',
'react'
];
/**
* Given a list of transform names, return the ordered list of visitors to be
* passed to the transform() function.
*
* @param {array?} excludes
* @return {array}
*/
function getAllVisitors(excludes) {
var ret = [];
for (var i = 0, il = transformRunOrder.length; i < il; i++) {
if (!excludes || excludes.indexOf(transformRunOrder[i]) === -1) {
ret = ret.concat(transformVisitors[transformRunOrder[i]]);
}
}
return ret;
}
exports.getAllVisitors = getAllVisitors;
exports.transformVisitors = transformVisitors;
},{"./transforms/react":29,"./transforms/reactDisplayName":30,"jstransform/visitors/es6-arrow-function-visitors":21,"jstransform/visitors/es6-class-visitors":22,"jstransform/visitors/es6-destructuring-visitors":23,"jstransform/visitors/es6-object-concise-method-visitors":24,"jstransform/visitors/es6-object-short-notation-visitors":25,"jstransform/visitors/es6-rest-param-visitors":26,"jstransform/visitors/es6-template-visitors":27}]},{},[28])
(28)
});
Raw
react.js
This file has been truncated, but you can view the full file.
/**
* React v0.11.0-rc1
*/
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.React=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule AutoFocusMixin
* @typechecks static-only
*/
"use strict";
var focusNode = _dereq_("./focusNode");
var AutoFocusMixin = {
componentDidMount: function() {
if (this.props.autoFocus) {
focusNode(this.getDOMNode());
}
}
};
module.exports = AutoFocusMixin;
},{"./focusNode":106}],2:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule BeforeInputEventPlugin
* @typechecks static-only
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPropagators = _dereq_("./EventPropagators");
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var SyntheticInputEvent = _dereq_("./SyntheticInputEvent");
var keyOf = _dereq_("./keyOf");
var canUseTextInputEvent = (
ExecutionEnvironment.canUseDOM &&
'TextEvent' in window &&
!('documentMode' in document || isPresto())
);
/**
* Opera <= 12 includes TextEvent in window, but does not fire
* text input events. Rely on keypress instead.
*/
function isPresto() {
var opera = window.opera;
return (
typeof opera === 'object' &&
typeof opera.version === 'function' &&
parseInt(opera.version(), 10) <= 12
);
}
var SPACEBAR_CODE = 32;
var SPACEBAR_CHAR = String.fromCharCode(SPACEBAR_CODE);
var topLevelTypes = EventConstants.topLevelTypes;
// Events and their corresponding property names.
var eventTypes = {
beforeInput: {
phasedRegistrationNames: {
bubbled: keyOf({onBeforeInput: null}),
captured: keyOf({onBeforeInputCapture: null})
},
dependencies: [
topLevelTypes.topCompositionEnd,
topLevelTypes.topKeyPress,
topLevelTypes.topTextInput,
topLevelTypes.topPaste
]
}
};
// Track characters inserted via keypress and composition events.
var fallbackChars = null;
/**
* Return whether a native keypress event is assumed to be a command.
* This is required because Firefox fires `keypress` events for key commands
* (cut, copy, select-all, etc.) even though no character is inserted.
*/
function isKeypressCommand(nativeEvent) {
return (
(nativeEvent.ctrlKey || nativeEvent.altKey || nativeEvent.metaKey) &&
// ctrlKey && altKey is equivalent to AltGr, and is not a command.
!(nativeEvent.ctrlKey && nativeEvent.altKey)
);
}
/**
* Create an `onBeforeInput` event to match
* http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105/#events-inputevents.
*
* This event plugin is based on the native `textInput` event
* available in Chrome, Safari, Opera, and IE. This event fires after
* `onKeyPress` and `onCompositionEnd`, but before `onInput`.
*
* `beforeInput` is spec'd but not implemented in any browsers, and
* the `input` event does not provide any useful information about what has
* actually been added, contrary to the spec. Thus, `textInput` is the best
* available event to identify the characters that have actually been inserted
* into the target node.
*/
var BeforeInputEventPlugin = {
eventTypes: eventTypes,
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var chars;
if (canUseTextInputEvent) {
switch (topLevelType) {
case topLevelTypes.topKeyPress:
/**
* If native `textInput` events are available, our goal is to make
* use of them. However, there is a special case: the spacebar key.
* In Webkit, preventing default on a spacebar `textInput` event
* cancels character insertion, but it *also* causes the browser
* to fall back to its default spacebar behavior of scrolling the
* page.
*
* Tracking at:
* https://code.google.com/p/chromium/issues/detail?id=355103
*
* To avoid this issue, use the keypress event as if no `textInput`
* event is available.
*/
var which = nativeEvent.which;
if (which !== SPACEBAR_CODE) {
return;
}
chars = String.fromCharCode(which);
break;
case topLevelTypes.topTextInput:
// Record the characters to be added to the DOM.
chars = nativeEvent.data;
// If it's a spacebar character, assume that we have already handled
// it at the keypress level and bail immediately.
if (chars === SPACEBAR_CHAR) {
return;
}
// Otherwise, carry on.
break;
default:
// For other native event types, do nothing.
return;
}
} else {
switch (topLevelType) {
case topLevelTypes.topPaste:
// If a paste event occurs after a keypress, throw out the input
// chars. Paste events should not lead to BeforeInput events.
fallbackChars = null;
break;
case topLevelTypes.topKeyPress:
/**
* As of v27, Firefox may fire keypress events even when no character
* will be inserted. A few possibilities:
*
* - `which` is `0`. Arrow keys, Esc key, etc.
*
* - `which` is the pressed key code, but no char is available.
* Ex: 'AltGr + d` in Polish. There is no modified character for
* this key combination and no character is inserted into the
* document, but FF fires the keypress for char code `100` anyway.
* No `input` event will occur.
*
* - `which` is the pressed key code, but a command combination is
* being used. Ex: `Cmd+C`. No character is inserted, and no
* `input` event will occur.
*/
if (nativeEvent.which && !isKeypressCommand(nativeEvent)) {
fallbackChars = String.fromCharCode(nativeEvent.which);
}
break;
case topLevelTypes.topCompositionEnd:
fallbackChars = nativeEvent.data;
break;
}
// If no changes have occurred to the fallback string, no relevant
// event has fired and we're done.
if (fallbackChars === null) {
return;
}
chars = fallbackChars;
}
// If no characters are being inserted, no BeforeInput event should
// be fired.
if (!chars) {
return;
}
var event = SyntheticInputEvent.getPooled(
eventTypes.beforeInput,
topLevelTargetID,
nativeEvent
);
event.data = chars;
fallbackChars = null;
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}
};
module.exports = BeforeInputEventPlugin;
},{"./EventConstants":15,"./EventPropagators":20,"./ExecutionEnvironment":21,"./SyntheticInputEvent":86,"./keyOf":127}],3:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CSSProperty
*/
"use strict";
/**
* CSS properties which accept numbers but are not in units of "px".
*/
var isUnitlessNumber = {
columnCount: true,
fillOpacity: true,
flex: true,
flexGrow: true,
flexShrink: true,
fontWeight: true,
lineClamp: true,
lineHeight: true,
opacity: true,
order: true,
orphans: true,
widows: true,
zIndex: true,
zoom: true
};
/**
* @param {string} prefix vendor-specific prefix, eg: Webkit
* @param {string} key style name, eg: transitionDuration
* @return {string} style name prefixed with `prefix`, properly camelCased, eg:
* WebkitTransitionDuration
*/
function prefixKey(prefix, key) {
return prefix + key.charAt(0).toUpperCase() + key.substring(1);
}
/**
* Support style names that may come passed in prefixed by adding permutations
* of vendor prefixes.
*/
var prefixes = ['Webkit', 'ms', 'Moz', 'O'];
// Using Object.keys here, or else the vanilla for-in loop makes IE8 go into an
// infinite loop, because it iterates over the newly added props too.
Object.keys(isUnitlessNumber).forEach(function(prop) {
prefixes.forEach(function(prefix) {
isUnitlessNumber[prefixKey(prefix, prop)] = isUnitlessNumber[prop];
});
});
/**
* Most style properties can be unset by doing .style[prop] = '' but IE8
* doesn't like doing that with shorthand properties so for the properties that
* IE8 breaks on, which are listed here, we instead unset each of the
* individual properties. See http://bugs.jquery.com/ticket/12385.
* The 4-value 'clock' properties like margin, padding, border-width seem to
* behave without any problems. Curiously, list-style works too without any
* special prodding.
*/
var shorthandPropertyExpansions = {
background: {
backgroundImage: true,
backgroundPosition: true,
backgroundRepeat: true,
backgroundColor: true
},
border: {
borderWidth: true,
borderStyle: true,
borderColor: true
},
borderBottom: {
borderBottomWidth: true,
borderBottomStyle: true,
borderBottomColor: true
},
borderLeft: {
borderLeftWidth: true,
borderLeftStyle: true,
borderLeftColor: true
},
borderRight: {
borderRightWidth: true,
borderRightStyle: true,
borderRightColor: true
},
borderTop: {
borderTopWidth: true,
borderTopStyle: true,
borderTopColor: true
},
font: {
fontStyle: true,
fontVariant: true,
fontWeight: true,
fontSize: true,
lineHeight: true,
fontFamily: true
}
};
var CSSProperty = {
isUnitlessNumber: isUnitlessNumber,
shorthandPropertyExpansions: shorthandPropertyExpansions
};
module.exports = CSSProperty;
},{}],4:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CSSPropertyOperations
* @typechecks static-only
*/
"use strict";
var CSSProperty = _dereq_("./CSSProperty");
var dangerousStyleValue = _dereq_("./dangerousStyleValue");
var hyphenateStyleName = _dereq_("./hyphenateStyleName");
var memoizeStringOnly = _dereq_("./memoizeStringOnly");
var processStyleName = memoizeStringOnly(function(styleName) {
return hyphenateStyleName(styleName);
});
/**
* Operations for dealing with CSS properties.
*/
var CSSPropertyOperations = {
/**
* Serializes a mapping of style properties for use as inline styles:
*
* > createMarkupForStyles({width: '200px', height: 0})
* "width:200px;height:0;"
*
* Undefined values are ignored so that declarative programming is easier.
* The result should be HTML-escaped before insertion into the DOM.
*
* @param {object} styles
* @return {?string}
*/
createMarkupForStyles: function(styles) {
var serialized = '';
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var styleValue = styles[styleName];
if (styleValue != null) {
serialized += processStyleName(styleName) + ':';
serialized += dangerousStyleValue(styleName, styleValue) + ';';
}
}
return serialized || null;
},
/**
* Sets the value for multiple styles on a node. If a value is specified as
* '' (empty string), the corresponding style property will be unset.
*
* @param {DOMElement} node
* @param {object} styles
*/
setValueForStyles: function(node, styles) {
var style = node.style;
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var styleValue = dangerousStyleValue(styleName, styles[styleName]);
if (styleValue) {
style[styleName] = styleValue;
} else {
var expansion = CSSProperty.shorthandPropertyExpansions[styleName];
if (expansion) {
// Shorthand property that IE8 won't like unsetting, so unset each
// component to placate it
for (var individualStyleName in expansion) {
style[individualStyleName] = '';
}
} else {
style[styleName] = '';
}
}
}
}
};
module.exports = CSSPropertyOperations;
},{"./CSSProperty":3,"./dangerousStyleValue":101,"./hyphenateStyleName":118,"./memoizeStringOnly":129}],5:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CallbackQueue
*/
"use strict";
var PooledClass = _dereq_("./PooledClass");
var invariant = _dereq_("./invariant");
var mixInto = _dereq_("./mixInto");
/**
* A specialized pseudo-event module to help keep track of components waiting to
* be notified when their DOM representations are available for use.
*
* This implements `PooledClass`, so you should never need to instantiate this.
* Instead, use `CallbackQueue.getPooled()`.
*
* @class ReactMountReady
* @implements PooledClass
* @internal
*/
function CallbackQueue() {
this._callbacks = null;
this._contexts = null;
}
mixInto(CallbackQueue, {
/**
* Enqueues a callback to be invoked when `notifyAll` is invoked.
*
* @param {function} callback Invoked when `notifyAll` is invoked.
* @param {?object} context Context to call `callback` with.
* @internal
*/
enqueue: function(callback, context) {
this._callbacks = this._callbacks || [];
this._contexts = this._contexts || [];
this._callbacks.push(callback);
this._contexts.push(context);
},
/**
* Invokes all enqueued callbacks and clears the queue. This is invoked after
* the DOM representation of a component has been created or updated.
*
* @internal
*/
notifyAll: function() {
var callbacks = this._callbacks;
var contexts = this._contexts;
if (callbacks) {
("production" !== "development" ? invariant(
callbacks.length === contexts.length,
"Mismatched list of contexts in callback queue"
) : invariant(callbacks.length === contexts.length));
this._callbacks = null;
this._contexts = null;
for (var i = 0, l = callbacks.length; i < l; i++) {
callbacks[i].call(contexts[i]);
}
callbacks.length = 0;
contexts.length = 0;
}
},
/**
* Resets the internal queue.
*
* @internal
*/
reset: function() {
this._callbacks = null;
this._contexts = null;
},
/**
* `PooledClass` looks for this.
*/
destructor: function() {
this.reset();
}
});
PooledClass.addPoolingTo(CallbackQueue);
module.exports = CallbackQueue;
},{"./PooledClass":26,"./invariant":120,"./mixInto":133}],6:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ChangeEventPlugin
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPluginHub = _dereq_("./EventPluginHub");
var EventPropagators = _dereq_("./EventPropagators");
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var ReactUpdates = _dereq_("./ReactUpdates");
var SyntheticEvent = _dereq_("./SyntheticEvent");
var isEventSupported = _dereq_("./isEventSupported");
var isTextInputElement = _dereq_("./isTextInputElement");
var keyOf = _dereq_("./keyOf");
var topLevelTypes = EventConstants.topLevelTypes;
var eventTypes = {
change: {
phasedRegistrationNames: {
bubbled: keyOf({onChange: null}),
captured: keyOf({onChangeCapture: null})
},
dependencies: [
topLevelTypes.topBlur,
topLevelTypes.topChange,
topLevelTypes.topClick,
topLevelTypes.topFocus,
topLevelTypes.topInput,
topLevelTypes.topKeyDown,
topLevelTypes.topKeyUp,
topLevelTypes.topSelectionChange
]
}
};
/**
* For IE shims
*/
var activeElement = null;
var activeElementID = null;
var activeElementValue = null;
var activeElementValueProp = null;
/**
* SECTION: handle `change` event
*/
function shouldUseChangeEvent(elem) {
return (
elem.nodeName === 'SELECT' ||
(elem.nodeName === 'INPUT' && elem.type === 'file')
);
}
var doesChangeEventBubble = false;
if (ExecutionEnvironment.canUseDOM) {
// See `handleChange` comment below
doesChangeEventBubble = isEventSupported('change') && (
!('documentMode' in document) || document.documentMode > 8
);
}
function manualDispatchChangeEvent(nativeEvent) {
var event = SyntheticEvent.getPooled(
eventTypes.change,
activeElementID,
nativeEvent
);
EventPropagators.accumulateTwoPhaseDispatches(event);
// If change and propertychange bubbled, we'd just bind to it like all the
// other events and have it go through ReactBrowserEventEmitter. Since it
// doesn't, we manually listen for the events and so we have to enqueue and
// process the abstract event manually.
//
// Batching is necessary here in order to ensure that all event handlers run
// before the next rerender (including event handlers attached to ancestor
// elements instead of directly on the input). Without this, controlled
// components don't work properly in conjunction with event bubbling because
// the component is rerendered and the value reverted before all the event
// handlers can run. See https://github.com/facebook/react/issues/708.
ReactUpdates.batchedUpdates(runEventInBatch, event);
}
function runEventInBatch(event) {
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue();
}
function startWatchingForChangeEventIE8(target, targetID) {
activeElement = target;
activeElementID = targetID;
activeElement.attachEvent('onchange', manualDispatchChangeEvent);
}
function stopWatchingForChangeEventIE8() {
if (!activeElement) {
return;
}
activeElement.detachEvent('onchange', manualDispatchChangeEvent);
activeElement = null;
activeElementID = null;
}
function getTargetIDForChangeEvent(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topChange) {
return topLevelTargetID;
}
}
function handleEventsForChangeEventIE8(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topFocus) {
// stopWatching() should be a noop here but we call it just in case we
// missed a blur event somehow.
stopWatchingForChangeEventIE8();
startWatchingForChangeEventIE8(topLevelTarget, topLevelTargetID);
} else if (topLevelType === topLevelTypes.topBlur) {
stopWatchingForChangeEventIE8();
}
}
/**
* SECTION: handle `input` event
*/
var isInputEventSupported = false;
if (ExecutionEnvironment.canUseDOM) {
// IE9 claims to support the input event but fails to trigger it when
// deleting text, so we ignore its input events
isInputEventSupported = isEventSupported('input') && (
!('documentMode' in document) || document.documentMode > 9
);
}
/**
* (For old IE.) Replacement getter/setter for the `value` property that gets
* set on the active element.
*/
var newValueProp = {
get: function() {
return activeElementValueProp.get.call(this);
},
set: function(val) {
// Cast to a string so we can do equality checks.
activeElementValue = '' + val;
activeElementValueProp.set.call(this, val);
}
};
/**
* (For old IE.) Starts tracking propertychange events on the passed-in element
* and override the value property so that we can distinguish user events from
* value changes in JS.
*/
function startWatchingForValueChange(target, targetID) {
activeElement = target;
activeElementID = targetID;
activeElementValue = target.value;
activeElementValueProp = Object.getOwnPropertyDescriptor(
target.constructor.prototype,
'value'
);
Object.defineProperty(activeElement, 'value', newValueProp);
activeElement.attachEvent('onpropertychange', handlePropertyChange);
}
/**
* (For old IE.) Removes the event listeners from the currently-tracked element,
* if any exists.
*/
function stopWatchingForValueChange() {
if (!activeElement) {
return;
}
// delete restores the original property definition
delete activeElement.value;
activeElement.detachEvent('onpropertychange', handlePropertyChange);
activeElement = null;
activeElementID = null;
activeElementValue = null;
activeElementValueProp = null;
}
/**
* (For old IE.) Handles a propertychange event, sending a `change` event if
* the value of the active element has changed.
*/
function handlePropertyChange(nativeEvent) {
if (nativeEvent.propertyName !== 'value') {
return;
}
var value = nativeEvent.srcElement.value;
if (value === activeElementValue) {
return;
}
activeElementValue = value;
manualDispatchChangeEvent(nativeEvent);
}
/**
* If a `change` event should be fired, returns the target's ID.
*/
function getTargetIDForInputEvent(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topInput) {
// In modern browsers (i.e., not IE8 or IE9), the input event is exactly
// what we want so fall through here and trigger an abstract event
return topLevelTargetID;
}
}
// For IE8 and IE9.
function handleEventsForInputEventIE(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topFocus) {
// In IE8, we can capture almost all .value changes by adding a
// propertychange handler and looking for events with propertyName
// equal to 'value'
// In IE9, propertychange fires for most input events but is buggy and
// doesn't fire when text is deleted, but conveniently, selectionchange
// appears to fire in all of the remaining cases so we catch those and
// forward the event if the value has changed
// In either case, we don't want to call the event handler if the value
// is changed from JS so we redefine a setter for `.value` that updates
// our activeElementValue variable, allowing us to ignore those changes
//
// stopWatching() should be a noop here but we call it just in case we
// missed a blur event somehow.
stopWatchingForValueChange();
startWatchingForValueChange(topLevelTarget, topLevelTargetID);
} else if (topLevelType === topLevelTypes.topBlur) {
stopWatchingForValueChange();
}
}
// For IE8 and IE9.
function getTargetIDForInputEventIE(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topSelectionChange ||
topLevelType === topLevelTypes.topKeyUp ||
topLevelType === topLevelTypes.topKeyDown) {
// On the selectionchange event, the target is just document which isn't
// helpful for us so just check activeElement instead.
//
// 99% of the time, keydown and keyup aren't necessary. IE8 fails to fire
// propertychange on the first input event after setting `value` from a
// script and fires only keydown, keypress, keyup. Catching keyup usually
// gets it and catching keydown lets us fire an event for the first
// keystroke if user does a key repeat (it'll be a little delayed: right
// before the second keystroke). Other input methods (e.g., paste) seem to
// fire selectionchange normally.
if (activeElement && activeElement.value !== activeElementValue) {
activeElementValue = activeElement.value;
return activeElementID;
}
}
}
/**
* SECTION: handle `click` event
*/
function shouldUseClickEvent(elem) {
// Use the `click` event to detect changes to checkbox and radio inputs.
// This approach works across all browsers, whereas `change` does not fire
// until `blur` in IE8.
return (
elem.nodeName === 'INPUT' &&
(elem.type === 'checkbox' || elem.type === 'radio')
);
}
function getTargetIDForClickEvent(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topClick) {
return topLevelTargetID;
}
}
/**
* This plugin creates an `onChange` event that normalizes change events
* across form elements. This event fires at a time when it's possible to
* change the element's value without seeing a flicker.
*
* Supported elements are:
* - input (see `isTextInputElement`)
* - textarea
* - select
*/
var ChangeEventPlugin = {
eventTypes: eventTypes,
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var getTargetIDFunc, handleEventFunc;
if (shouldUseChangeEvent(topLevelTarget)) {
if (doesChangeEventBubble) {
getTargetIDFunc = getTargetIDForChangeEvent;
} else {
handleEventFunc = handleEventsForChangeEventIE8;
}
} else if (isTextInputElement(topLevelTarget)) {
if (isInputEventSupported) {
getTargetIDFunc = getTargetIDForInputEvent;
} else {
getTargetIDFunc = getTargetIDForInputEventIE;
handleEventFunc = handleEventsForInputEventIE;
}
} else if (shouldUseClickEvent(topLevelTarget)) {
getTargetIDFunc = getTargetIDForClickEvent;
}
if (getTargetIDFunc) {
var targetID = getTargetIDFunc(
topLevelType,
topLevelTarget,
topLevelTargetID
);
if (targetID) {
var event = SyntheticEvent.getPooled(
eventTypes.change,
targetID,
nativeEvent
);
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}
}
if (handleEventFunc) {
handleEventFunc(
topLevelType,
topLevelTarget,
topLevelTargetID
);
}
}
};
module.exports = ChangeEventPlugin;
},{"./EventConstants":15,"./EventPluginHub":17,"./EventPropagators":20,"./ExecutionEnvironment":21,"./ReactUpdates":76,"./SyntheticEvent":84,"./isEventSupported":121,"./isTextInputElement":123,"./keyOf":127}],7:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ClientReactRootIndex
* @typechecks
*/
"use strict";
var nextReactRootIndex = 0;
var ClientReactRootIndex = {
createReactRootIndex: function() {
return nextReactRootIndex++;
}
};
module.exports = ClientReactRootIndex;
},{}],8:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CompositionEventPlugin
* @typechecks static-only
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPropagators = _dereq_("./EventPropagators");
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var ReactInputSelection = _dereq_("./ReactInputSelection");
var SyntheticCompositionEvent = _dereq_("./SyntheticCompositionEvent");
var getTextContentAccessor = _dereq_("./getTextContentAccessor");
var keyOf = _dereq_("./keyOf");
var END_KEYCODES = [9, 13, 27, 32]; // Tab, Return, Esc, Space
var START_KEYCODE = 229;
var useCompositionEvent = (
ExecutionEnvironment.canUseDOM &&
'CompositionEvent' in window
);
// In IE9+, we have access to composition events, but the data supplied
// by the native compositionend event may be incorrect. In Korean, for example,
// the compositionend event contains only one character regardless of
// how many characters have been composed since compositionstart.
// We therefore use the fallback data while still using the native
// events as triggers.
var useFallbackData = (
!useCompositionEvent ||
(
'documentMode' in document &&
document.documentMode > 8 &&
document.documentMode <= 11
)
);
var topLevelTypes = EventConstants.topLevelTypes;
var currentComposition = null;
// Events and their corresponding property names.
var eventTypes = {
compositionEnd: {
phasedRegistrationNames: {
bubbled: keyOf({onCompositionEnd: null}),
captured: keyOf({onCompositionEndCapture: null})
},
dependencies: [
topLevelTypes.topBlur,
topLevelTypes.topCompositionEnd,
topLevelTypes.topKeyDown,
topLevelTypes.topKeyPress,
topLevelTypes.topKeyUp,
topLevelTypes.topMouseDown
]
},
compositionStart: {
phasedRegistrationNames: {
bubbled: keyOf({onCompositionStart: null}),
captured: keyOf({onCompositionStartCapture: null})
},
dependencies: [
topLevelTypes.topBlur,
topLevelTypes.topCompositionStart,
topLevelTypes.topKeyDown,
topLevelTypes.topKeyPress,
topLevelTypes.topKeyUp,
topLevelTypes.topMouseDown
]
},
compositionUpdate: {
phasedRegistrationNames: {
bubbled: keyOf({onCompositionUpdate: null}),
captured: keyOf({onCompositionUpdateCapture: null})
},
dependencies: [
topLevelTypes.topBlur,
topLevelTypes.topCompositionUpdate,
topLevelTypes.topKeyDown,
topLevelTypes.topKeyPress,
topLevelTypes.topKeyUp,
topLevelTypes.topMouseDown
]
}
};
/**
* Translate native top level events into event types.
*
* @param {string} topLevelType
* @return {object}
*/
function getCompositionEventType(topLevelType) {
switch (topLevelType) {
case topLevelTypes.topCompositionStart:
return eventTypes.compositionStart;
case topLevelTypes.topCompositionEnd:
return eventTypes.compositionEnd;
case topLevelTypes.topCompositionUpdate:
return eventTypes.compositionUpdate;
}
}
/**
* Does our fallback best-guess model think this event signifies that
* composition has begun?
*
* @param {string} topLevelType
* @param {object} nativeEvent
* @return {boolean}
*/
function isFallbackStart(topLevelType, nativeEvent) {
return (
topLevelType === topLevelTypes.topKeyDown &&
nativeEvent.keyCode === START_KEYCODE
);
}
/**
* Does our fallback mode think that this event is the end of composition?
*
* @param {string} topLevelType
* @param {object} nativeEvent
* @return {boolean}
*/
function isFallbackEnd(topLevelType, nativeEvent) {
switch (topLevelType) {
case topLevelTypes.topKeyUp:
// Command keys insert or clear IME input.
return (END_KEYCODES.indexOf(nativeEvent.keyCode) !== -1);
case topLevelTypes.topKeyDown:
// Expect IME keyCode on each keydown. If we get any other
// code we must have exited earlier.
return (nativeEvent.keyCode !== START_KEYCODE);
case topLevelTypes.topKeyPress:
case topLevelTypes.topMouseDown:
case topLevelTypes.topBlur:
// Events are not possible without cancelling IME.
return true;
default:
return false;
}
}
/**
* Helper class stores information about selection and document state
* so we can figure out what changed at a later date.
*
* @param {DOMEventTarget} root
*/
function FallbackCompositionState(root) {
this.root = root;
this.startSelection = ReactInputSelection.getSelection(root);
this.startValue = this.getText();
}
/**
* Get current text of input.
*
* @return {string}
*/
FallbackCompositionState.prototype.getText = function() {
return this.root.value || this.root[getTextContentAccessor()];
};
/**
* Text that has changed since the start of composition.
*
* @return {string}
*/
FallbackCompositionState.prototype.getData = function() {
var endValue = this.getText();
var prefixLength = this.startSelection.start;
var suffixLength = this.startValue.length - this.startSelection.end;
return endValue.substr(
prefixLength,
endValue.length - suffixLength - prefixLength
);
};
/**
* This plugin creates `onCompositionStart`, `onCompositionUpdate` and
* `onCompositionEnd` events on inputs, textareas and contentEditable
* nodes.
*/
var CompositionEventPlugin = {
eventTypes: eventTypes,
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var eventType;
var data;
if (useCompositionEvent) {
eventType = getCompositionEventType(topLevelType);
} else if (!currentComposition) {
if (isFallbackStart(topLevelType, nativeEvent)) {
eventType = eventTypes.compositionStart;
}
} else if (isFallbackEnd(topLevelType, nativeEvent)) {
eventType = eventTypes.compositionEnd;
}
if (useFallbackData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = new FallbackCompositionState(topLevelTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
data = currentComposition.getData();
currentComposition = null;
}
}
}
if (eventType) {
var event = SyntheticCompositionEvent.getPooled(
eventType,
topLevelTargetID,
nativeEvent
);
if (data) {
// Inject data generated from fallback path into the synthetic event.
// This matches the property of native CompositionEventInterface.
event.data = data;
}
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}
}
};
module.exports = CompositionEventPlugin;
},{"./EventConstants":15,"./EventPropagators":20,"./ExecutionEnvironment":21,"./ReactInputSelection":58,"./SyntheticCompositionEvent":82,"./getTextContentAccessor":115,"./keyOf":127}],9:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule DOMChildrenOperations
* @typechecks static-only
*/
"use strict";
var Danger = _dereq_("./Danger");
var ReactMultiChildUpdateTypes = _dereq_("./ReactMultiChildUpdateTypes");
var getTextContentAccessor = _dereq_("./getTextContentAccessor");
var invariant = _dereq_("./invariant");
/**
* The DOM property to use when setting text content.
*
* @type {string}
* @private
*/
var textContentAccessor = getTextContentAccessor();
/**
* Inserts `childNode` as a child of `parentNode` at the `index`.
*
* @param {DOMElement} parentNode Parent node in which to insert.
* @param {DOMElement} childNode Child node to insert.
* @param {number} index Index at which to insert the child.
* @internal
*/
function insertChildAt(parentNode, childNode, index) {
// By exploiting arrays returning `undefined` for an undefined index, we can
// rely exclusively on `insertBefore(node, null)` instead of also using
// `appendChild(node)`. However, using `undefined` is not allowed by all
// browsers so we must replace it with `null`.
parentNode.insertBefore(
childNode,
parentNode.childNodes[index] || null
);
}
var updateTextContent;
if (textContentAccessor === 'textContent') {
/**
* Sets the text content of `node` to `text`.
*
* @param {DOMElement} node Node to change
* @param {string} text New text content
*/
updateTextContent = function(node, text) {
node.textContent = text;
};
} else {
/**
* Sets the text content of `node` to `text`.
*
* @param {DOMElement} node Node to change
* @param {string} text New text content
*/
updateTextContent = function(node, text) {
// In order to preserve newlines correctly, we can't use .innerText to set
// the contents (see #1080), so we empty the element then append a text node
while (node.firstChild) {
node.removeChild(node.firstChild);
}
if (text) {
var doc = node.ownerDocument || document;
node.appendChild(doc.createTextNode(text));
}
};
}
/**
* Operations for updating with DOM children.
*/
var DOMChildrenOperations = {
dangerouslyReplaceNodeWithMarkup: Danger.dangerouslyReplaceNodeWithMarkup,
updateTextContent: updateTextContent,
/**
* Updates a component's children by processing a series of updates. The
* update configurations are each expected to have a `parentNode` property.
*
* @param {array<object>} updates List of update configurations.
* @param {array<string>} markupList List of markup strings.
* @internal
*/
processUpdates: function(updates, markupList) {
var update;
// Mapping from parent IDs to initial child orderings.
var initialChildren = null;
// List of children that will be moved or removed.
var updatedChildren = null;
for (var i = 0; update = updates[i]; i++) {
if (update.type === ReactMultiChildUpdateTypes.MOVE_EXISTING ||
update.type === ReactMultiChildUpdateTypes.REMOVE_NODE) {
var updatedIndex = update.fromIndex;
var updatedChild = update.parentNode.childNodes[updatedIndex];
var parentID = update.parentID;
("production" !== "development" ? invariant(
updatedChild,
'processUpdates(): Unable to find child %s of element. This ' +
'probably means the DOM was unexpectedly mutated (e.g., by the ' +
'browser), usually due to forgetting a <tbody> when using tables, ' +
'nesting <p> or <a> tags, or using non-SVG elements in an <svg> '+
'parent. Try inspecting the child nodes of the element with React ' +
'ID `%s`.',
updatedIndex,
parentID
) : invariant(updatedChild));
initialChildren = initialChildren || {};
initialChildren[parentID] = initialChildren[parentID] || [];
initialChildren[parentID][updatedIndex] = updatedChild;
updatedChildren = updatedChildren || [];
updatedChildren.push(updatedChild);
}
}
var renderedMarkup = Danger.dangerouslyRenderMarkup(markupList);
// Remove updated children first so that `toIndex` is consistent.
if (updatedChildren) {
for (var j = 0; j < updatedChildren.length; j++) {
updatedChildren[j].parentNode.removeChild(updatedChildren[j]);
}
}
for (var k = 0; update = updates[k]; k++) {
switch (update.type) {
case ReactMultiChildUpdateTypes.INSERT_MARKUP:
insertChildAt(
update.parentNode,
renderedMarkup[update.markupIndex],
update.toIndex
);
break;
case ReactMultiChildUpdateTypes.MOVE_EXISTING:
insertChildAt(
update.parentNode,
initialChildren[update.parentID][update.fromIndex],
update.toIndex
);
break;
case ReactMultiChildUpdateTypes.TEXT_CONTENT:
updateTextContent(
update.parentNode,
update.textContent
);
break;
case ReactMultiChildUpdateTypes.REMOVE_NODE:
// Already removed by the for-loop above.
break;
}
}
}
};
module.exports = DOMChildrenOperations;
},{"./Danger":12,"./ReactMultiChildUpdateTypes":63,"./getTextContentAccessor":115,"./invariant":120}],10:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule DOMProperty
* @typechecks static-only
*/
/*jslint bitwise: true */
"use strict";
var invariant = _dereq_("./invariant");
var DOMPropertyInjection = {
/**
* Mapping from normalized, camelcased property names to a configuration that
* specifies how the associated DOM property should be accessed or rendered.
*/
MUST_USE_ATTRIBUTE: 0x1,
MUST_USE_PROPERTY: 0x2,
HAS_SIDE_EFFECTS: 0x4,
HAS_BOOLEAN_VALUE: 0x8,
HAS_NUMERIC_VALUE: 0x10,
HAS_POSITIVE_NUMERIC_VALUE: 0x20 | 0x10,
HAS_OVERLOADED_BOOLEAN_VALUE: 0x40,
/**
* Inject some specialized knowledge about the DOM. This takes a config object
* with the following properties:
*
* isCustomAttribute: function that given an attribute name will return true
* if it can be inserted into the DOM verbatim. Useful for data-* or aria-*
* attributes where it's impossible to enumerate all of the possible
* attribute names,
*
* Properties: object mapping DOM property name to one of the
* DOMPropertyInjection constants or null. If your attribute isn't in here,
* it won't get written to the DOM.
*
* DOMAttributeNames: object mapping React attribute name to the DOM
* attribute name. Attribute names not specified use the **lowercase**
* normalized name.
*
* DOMPropertyNames: similar to DOMAttributeNames but for DOM properties.
* Property names not specified use the normalized name.
*
* DOMMutationMethods: Properties that require special mutation methods. If
* `value` is undefined, the mutation method should unset the property.
*
* @param {object} domPropertyConfig the config as described above.
*/
injectDOMPropertyConfig: function(domPropertyConfig) {
var Properties = domPropertyConfig.Properties || {};
var DOMAttributeNames = domPropertyConfig.DOMAttributeNames || {};
var DOMPropertyNames = domPropertyConfig.DOMPropertyNames || {};
var DOMMutationMethods = domPropertyConfig.DOMMutationMethods || {};
if (domPropertyConfig.isCustomAttribute) {
DOMProperty._isCustomAttributeFunctions.push(
domPropertyConfig.isCustomAttribute
);
}
for (var propName in Properties) {
("production" !== "development" ? invariant(
!DOMProperty.isStandardName.hasOwnProperty(propName),
'injectDOMPropertyConfig(...): You\'re trying to inject DOM property ' +
'\'%s\' which has already been injected. You may be accidentally ' +
'injecting the same DOM property config twice, or you may be ' +
'injecting two configs that have conflicting property names.',
propName
) : invariant(!DOMProperty.isStandardName.hasOwnProperty(propName)));
DOMProperty.isStandardName[propName] = true;
var lowerCased = propName.toLowerCase();
DOMProperty.getPossibleStandardName[lowerCased] = propName;
if (DOMAttributeNames.hasOwnProperty(propName)) {
var attributeName = DOMAttributeNames[propName];
DOMProperty.getPossibleStandardName[attributeName] = propName;
DOMProperty.getAttributeName[propName] = attributeName;
} else {
DOMProperty.getAttributeName[propName] = lowerCased;
}
DOMProperty.getPropertyName[propName] =
DOMPropertyNames.hasOwnProperty(propName) ?
DOMPropertyNames[propName] :
propName;
if (DOMMutationMethods.hasOwnProperty(propName)) {
DOMProperty.getMutationMethod[propName] = DOMMutationMethods[propName];
} else {
DOMProperty.getMutationMethod[propName] = null;
}
var propConfig = Properties[propName];
DOMProperty.mustUseAttribute[propName] =
propConfig & DOMPropertyInjection.MUST_USE_ATTRIBUTE;
DOMProperty.mustUseProperty[propName] =
propConfig & DOMPropertyInjection.MUST_USE_PROPERTY;
DOMProperty.hasSideEffects[propName] =
propConfig & DOMPropertyInjection.HAS_SIDE_EFFECTS;
DOMProperty.hasBooleanValue[propName] =
propConfig & DOMPropertyInjection.HAS_BOOLEAN_VALUE;
DOMProperty.hasNumericValue[propName] =
propConfig & DOMPropertyInjection.HAS_NUMERIC_VALUE;
DOMProperty.hasPositiveNumericValue[propName] =
propConfig & DOMPropertyInjection.HAS_POSITIVE_NUMERIC_VALUE;
DOMProperty.hasOverloadedBooleanValue[propName] =
propConfig & DOMPropertyInjection.HAS_OVERLOADED_BOOLEAN_VALUE;
("production" !== "development" ? invariant(
!DOMProperty.mustUseAttribute[propName] ||
!DOMProperty.mustUseProperty[propName],
'DOMProperty: Cannot require using both attribute and property: %s',
propName
) : invariant(!DOMProperty.mustUseAttribute[propName] ||
!DOMProperty.mustUseProperty[propName]));
("production" !== "development" ? invariant(
DOMProperty.mustUseProperty[propName] ||
!DOMProperty.hasSideEffects[propName],
'DOMProperty: Properties that have side effects must use property: %s',
propName
) : invariant(DOMProperty.mustUseProperty[propName] ||
!DOMProperty.hasSideEffects[propName]));
("production" !== "development" ? invariant(
!!DOMProperty.hasBooleanValue[propName] +
!!DOMProperty.hasNumericValue[propName] +
!!DOMProperty.hasOverloadedBooleanValue[propName] <= 1,
'DOMProperty: Value can be one of boolean, overloaded boolean, or ' +
'numeric value, but not a combination: %s',
propName
) : invariant(!!DOMProperty.hasBooleanValue[propName] +
!!DOMProperty.hasNumericValue[propName] +
!!DOMProperty.hasOverloadedBooleanValue[propName] <= 1));
}
}
};
var defaultValueCache = {};
/**
* DOMProperty exports lookup objects that can be used like functions:
*
* > DOMProperty.isValid['id']
* true
* > DOMProperty.isValid['foobar']
* undefined
*
* Although this may be confusing, it performs better in general.
*
* @see http://jsperf.com/key-exists
* @see http://jsperf.com/key-missing
*/
var DOMProperty = {
ID_ATTRIBUTE_NAME: 'data-reactid',
/**
* Checks whether a property name is a standard property.
* @type {Object}
*/
isStandardName: {},
/**
* Mapping from lowercase property names to the properly cased version, used
* to warn in the case of missing properties.
* @type {Object}
*/
getPossibleStandardName: {},
/**
* Mapping from normalized names to attribute names that differ. Attribute
* names are used when rendering markup or with `*Attribute()`.
* @type {Object}
*/
getAttributeName: {},
/**
* Mapping from normalized names to properties on DOM node instances.
* (This includes properties that mutate due to external factors.)
* @type {Object}
*/
getPropertyName: {},
/**
* Mapping from normalized names to mutation methods. This will only exist if
* mutation cannot be set simply by the property or `setAttribute()`.
* @type {Object}
*/
getMutationMethod: {},
/**
* Whether the property must be accessed and mutated as an object property.
* @type {Object}
*/
mustUseAttribute: {},
/**
* Whether the property must be accessed and mutated using `*Attribute()`.
* (This includes anything that fails `<propName> in <element>`.)
* @type {Object}
*/
mustUseProperty: {},
/**
* Whether or not setting a value causes side effects such as triggering
* resources to be loaded or text selection changes. We must ensure that
* the value is only set if it has changed.
* @type {Object}
*/
hasSideEffects: {},
/**
* Whether the property should be removed when set to a falsey value.
* @type {Object}
*/
hasBooleanValue: {},
/**
* Whether the property must be numeric or parse as a
* numeric and should be removed when set to a falsey value.
* @type {Object}
*/
hasNumericValue: {},
/**
* Whether the property must be positive numeric or parse as a positive
* numeric and should be removed when set to a falsey value.
* @type {Object}
*/
hasPositiveNumericValue: {},
/**
* Whether the property can be used as a flag as well as with a value. Removed
* when strictly equal to false; present without a value when strictly equal
* to true; present with a value otherwise.
* @type {Object}
*/
hasOverloadedBooleanValue: {},
/**
* All of the isCustomAttribute() functions that have been injected.
*/
_isCustomAttributeFunctions: [],
/**
* Checks whether a property name is a custom attribute.
* @method
*/
isCustomAttribute: function(attributeName) {
for (var i = 0; i < DOMProperty._isCustomAttributeFunctions.length; i++) {
var isCustomAttributeFn = DOMProperty._isCustomAttributeFunctions[i];
if (isCustomAttributeFn(attributeName)) {
return true;
}
}
return false;
},
/**
* Returns the default property value for a DOM property (i.e., not an
* attribute). Most default values are '' or false, but not all. Worse yet,
* some (in particular, `type`) vary depending on the type of element.
*
* TODO: Is it better to grab all the possible properties when creating an
* element to avoid having to create the same element twice?
*/
getDefaultValueForProperty: function(nodeName, prop) {
var nodeDefaults = defaultValueCache[nodeName];
var testElement;
if (!nodeDefaults) {
defaultValueCache[nodeName] = nodeDefaults = {};
}
if (!(prop in nodeDefaults)) {
testElement = document.createElement(nodeName);
nodeDefaults[prop] = testElement[prop];
}
return nodeDefaults[prop];
},
injection: DOMPropertyInjection
};
module.exports = DOMProperty;
},{"./invariant":120}],11:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule DOMPropertyOperations
* @typechecks static-only
*/
"use strict";
var DOMProperty = _dereq_("./DOMProperty");
var escapeTextForBrowser = _dereq_("./escapeTextForBrowser");
var memoizeStringOnly = _dereq_("./memoizeStringOnly");
var warning = _dereq_("./warning");
function shouldIgnoreValue(name, value) {
return value == null ||
(DOMProperty.hasBooleanValue[name] && !value) ||
(DOMProperty.hasNumericValue[name] && isNaN(value)) ||
(DOMProperty.hasPositiveNumericValue[name] && (value < 1)) ||
(DOMProperty.hasOverloadedBooleanValue[name] && value === false);
}
var processAttributeNameAndPrefix = memoizeStringOnly(function(name) {
return escapeTextForBrowser(name) + '="';
});
if ("production" !== "development") {
var reactProps = {
children: true,
dangerouslySetInnerHTML: true,
key: true,
ref: true
};
var warnedProperties = {};
var warnUnknownProperty = function(name) {
if (reactProps.hasOwnProperty(name) && reactProps[name] ||
warnedProperties.hasOwnProperty(name) && warnedProperties[name]) {
return;
}
warnedProperties[name] = true;
var lowerCasedName = name.toLowerCase();
// data-* attributes should be lowercase; suggest the lowercase version
var standardName = (
DOMProperty.isCustomAttribute(lowerCasedName) ?
lowerCasedName :
DOMProperty.getPossibleStandardName.hasOwnProperty(lowerCasedName) ?
DOMProperty.getPossibleStandardName[lowerCasedName] :
null
);
// For now, only warn when we have a suggested correction. This prevents
// logging too much when using transferPropsTo.
("production" !== "development" ? warning(
standardName == null,
'Unknown DOM property ' + name + '. Did you mean ' + standardName + '?'
) : null);
};
}
/**
* Operations for dealing with DOM properties.
*/
var DOMPropertyOperations = {
/**
* Creates markup for the ID property.
*
* @param {string} id Unescaped ID.
* @return {string} Markup string.
*/
createMarkupForID: function(id) {
return processAttributeNameAndPrefix(DOMProperty.ID_ATTRIBUTE_NAME) +
escapeTextForBrowser(id) + '"';
},
/**
* Creates markup for a property.
*
* @param {string} name
* @param {*} value
* @return {?string} Markup string, or null if the property was invalid.
*/
createMarkupForProperty: function(name, value) {
if (DOMProperty.isStandardName.hasOwnProperty(name) &&
DOMProperty.isStandardName[name]) {
if (shouldIgnoreValue(name, value)) {
return '';
}
var attributeName = DOMProperty.getAttributeName[name];
if (DOMProperty.hasBooleanValue[name] ||
(DOMProperty.hasOverloadedBooleanValue[name] && value === true)) {
return escapeTextForBrowser(attributeName);
}
return processAttributeNameAndPrefix(attributeName) +
escapeTextForBrowser(value) + '"';
} else if (DOMProperty.isCustomAttribute(name)) {
if (value == null) {
return '';
}
return processAttributeNameAndPrefix(name) +
escapeTextForBrowser(value) + '"';
} else if ("production" !== "development") {
warnUnknownProperty(name);
}
return null;
},
/**
* Sets the value for a property on a node.
*
* @param {DOMElement} node
* @param {string} name
* @param {*} value
*/
setValueForProperty: function(node, name, value) {
if (DOMProperty.isStandardName.hasOwnProperty(name) &&
DOMProperty.isStandardName[name]) {
var mutationMethod = DOMProperty.getMutationMethod[name];
if (mutationMethod) {
mutationMethod(node, value);
} else if (shouldIgnoreValue(name, value)) {
this.deleteValueForProperty(node, name);
} else if (DOMProperty.mustUseAttribute[name]) {
node.setAttribute(DOMProperty.getAttributeName[name], '' + value);
} else {
var propName = DOMProperty.getPropertyName[name];
if (!DOMProperty.hasSideEffects[name] || node[propName] !== value) {
node[propName] = value;
}
}
} else if (DOMProperty.isCustomAttribute(name)) {
if (value == null) {
node.removeAttribute(name);
} else {
node.setAttribute(name, '' + value);
}
} else if ("production" !== "development") {
warnUnknownProperty(name);
}
},
/**
* Deletes the value for a property on a node.
*
* @param {DOMElement} node
* @param {string} name
*/
deleteValueForProperty: function(node, name) {
if (DOMProperty.isStandardName.hasOwnProperty(name) &&
DOMProperty.isStandardName[name]) {
var mutationMethod = DOMProperty.getMutationMethod[name];
if (mutationMethod) {
mutationMethod(node, undefined);
} else if (DOMProperty.mustUseAttribute[name]) {
node.removeAttribute(DOMProperty.getAttributeName[name]);
} else {
var propName = DOMProperty.getPropertyName[name];
var defaultValue = DOMProperty.getDefaultValueForProperty(
node.nodeName,
propName
);
if (!DOMProperty.hasSideEffects[name] ||
node[propName] !== defaultValue) {
node[propName] = defaultValue;
}
}
} else if (DOMProperty.isCustomAttribute(name)) {
node.removeAttribute(name);
} else if ("production" !== "development") {
warnUnknownProperty(name);
}
}
};
module.exports = DOMPropertyOperations;
},{"./DOMProperty":10,"./escapeTextForBrowser":104,"./memoizeStringOnly":129,"./warning":143}],12:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule Danger
* @typechecks static-only
*/
/*jslint evil: true, sub: true */
"use strict";
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var createNodesFromMarkup = _dereq_("./createNodesFromMarkup");
var emptyFunction = _dereq_("./emptyFunction");
var getMarkupWrap = _dereq_("./getMarkupWrap");
var invariant = _dereq_("./invariant");
var OPEN_TAG_NAME_EXP = /^(<[^ \/>]+)/;
var RESULT_INDEX_ATTR = 'data-danger-index';
/**
* Extracts the `nodeName` from a string of markup.
*
* NOTE: Extracting the `nodeName` does not require a regular expression match
* because we make assumptions about React-generated markup (i.e. there are no
* spaces surrounding the opening tag and there is at least one attribute).
*
* @param {string} markup String of markup.
* @return {string} Node name of the supplied markup.
* @see http://jsperf.com/extract-nodename
*/
function getNodeName(markup) {
return markup.substring(1, markup.indexOf(' '));
}
var Danger = {
/**
* Renders markup into an array of nodes. The markup is expected to render
* into a list of root nodes. Also, the length of `resultList` and
* `markupList` should be the same.
*
* @param {array<string>} markupList List of markup strings to render.
* @return {array<DOMElement>} List of rendered nodes.
* @internal
*/
dangerouslyRenderMarkup: function(markupList) {
("production" !== "development" ? invariant(
ExecutionEnvironment.canUseDOM,
'dangerouslyRenderMarkup(...): Cannot render markup in a Worker ' +
'thread. This is likely a bug in the framework. Please report ' +
'immediately.'
) : invariant(ExecutionEnvironment.canUseDOM));
var nodeName;
var markupByNodeName = {};
// Group markup by `nodeName` if a wrap is necessary, else by '*'.
for (var i = 0; i < markupList.length; i++) {
("production" !== "development" ? invariant(
markupList[i],
'dangerouslyRenderMarkup(...): Missing markup.'
) : invariant(markupList[i]));
nodeName = getNodeName(markupList[i]);
nodeName = getMarkupWrap(nodeName) ? nodeName : '*';
markupByNodeName[nodeName] = markupByNodeName[nodeName] || [];
markupByNodeName[nodeName][i] = markupList[i];
}
var resultList = [];
var resultListAssignmentCount = 0;
for (nodeName in markupByNodeName) {
if (!markupByNodeName.hasOwnProperty(nodeName)) {
continue;
}
var markupListByNodeName = markupByNodeName[nodeName];
// This for-in loop skips the holes of the sparse array. The order of
// iteration should follow the order of assignment, which happens to match
// numerical index order, but we don't rely on that.
for (var resultIndex in markupListByNodeName) {
if (markupListByNodeName.hasOwnProperty(resultIndex)) {
var markup = markupListByNodeName[resultIndex];
// Push the requested markup with an additional RESULT_INDEX_ATTR
// attribute. If the markup does not start with a < character, it
// will be discarded below (with an appropriate console.error).
markupListByNodeName[resultIndex] = markup.replace(
OPEN_TAG_NAME_EXP,
// This index will be parsed back out below.
'$1 ' + RESULT_INDEX_ATTR + '="' + resultIndex + '" '
);
}
}
// Render each group of markup with similar wrapping `nodeName`.
var renderNodes = createNodesFromMarkup(
markupListByNodeName.join(''),
emptyFunction // Do nothing special with <script> tags.
);
for (i = 0; i < renderNodes.length; ++i) {
var renderNode = renderNodes[i];
if (renderNode.hasAttribute &&
renderNode.hasAttribute(RESULT_INDEX_ATTR)) {
resultIndex = +renderNode.getAttribute(RESULT_INDEX_ATTR);
renderNode.removeAttribute(RESULT_INDEX_ATTR);
("production" !== "development" ? invariant(
!resultList.hasOwnProperty(resultIndex),
'Danger: Assigning to an already-occupied result index.'
) : invariant(!resultList.hasOwnProperty(resultIndex)));
resultList[resultIndex] = renderNode;
// This should match resultList.length and markupList.length when
// we're done.
resultListAssignmentCount += 1;
} else if ("production" !== "development") {
console.error(
"Danger: Discarding unexpected node:",
renderNode
);
}
}
}
// Although resultList was populated out of order, it should now be a dense
// array.
("production" !== "development" ? invariant(
resultListAssignmentCount === resultList.length,
'Danger: Did not assign to every index of resultList.'
) : invariant(resultListAssignmentCount === resultList.length));
("production" !== "development" ? invariant(
resultList.length === markupList.length,
'Danger: Expected markup to render %s nodes, but rendered %s.',
markupList.length,
resultList.length
) : invariant(resultList.length === markupList.length));
return resultList;
},
/**
* Replaces a node with a string of markup at its current position within its
* parent. The markup must render into a single root node.
*
* @param {DOMElement} oldChild Child node to replace.
* @param {string} markup Markup to render in place of the child node.
* @internal
*/
dangerouslyReplaceNodeWithMarkup: function(oldChild, markup) {
("production" !== "development" ? invariant(
ExecutionEnvironment.canUseDOM,
'dangerouslyReplaceNodeWithMarkup(...): Cannot render markup in a ' +
'worker thread. This is likely a bug in the framework. Please report ' +
'immediately.'
) : invariant(ExecutionEnvironment.canUseDOM));
("production" !== "development" ? invariant(markup, 'dangerouslyReplaceNodeWithMarkup(...): Missing markup.') : invariant(markup));
("production" !== "development" ? invariant(
oldChild.tagName.toLowerCase() !== 'html',
'dangerouslyReplaceNodeWithMarkup(...): Cannot replace markup of the ' +
'<html> node. This is because browser quirks make this unreliable ' +
'and/or slow. If you want to render to the root you must use ' +
'server rendering. See renderComponentToString().'
) : invariant(oldChild.tagName.toLowerCase() !== 'html'));
var newChild = createNodesFromMarkup(markup, emptyFunction)[0];
oldChild.parentNode.replaceChild(newChild, oldChild);
}
};
module.exports = Danger;
},{"./ExecutionEnvironment":21,"./createNodesFromMarkup":100,"./emptyFunction":102,"./getMarkupWrap":112,"./invariant":120}],13:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule DefaultEventPluginOrder
*/
"use strict";
var keyOf = _dereq_("./keyOf");
/**
* Module that is injectable into `EventPluginHub`, that specifies a
* deterministic ordering of `EventPlugin`s. A convenient way to reason about
* plugins, without having to package every one of them. This is better than
* having plugins be ordered in the same order that they are injected because
* that ordering would be influenced by the packaging order.
* `ResponderEventPlugin` must occur before `SimpleEventPlugin` so that
* preventing default on events is convenient in `SimpleEventPlugin` handlers.
*/
var DefaultEventPluginOrder = [
keyOf({ResponderEventPlugin: null}),
keyOf({SimpleEventPlugin: null}),
keyOf({TapEventPlugin: null}),
keyOf({EnterLeaveEventPlugin: null}),
keyOf({ChangeEventPlugin: null}),
keyOf({SelectEventPlugin: null}),
keyOf({CompositionEventPlugin: null}),
keyOf({BeforeInputEventPlugin: null}),
keyOf({AnalyticsEventPlugin: null}),
keyOf({MobileSafariClickEventPlugin: null})
];
module.exports = DefaultEventPluginOrder;
},{"./keyOf":127}],14:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule EnterLeaveEventPlugin
* @typechecks static-only
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPropagators = _dereq_("./EventPropagators");
var SyntheticMouseEvent = _dereq_("./SyntheticMouseEvent");
var ReactMount = _dereq_("./ReactMount");
var keyOf = _dereq_("./keyOf");
var topLevelTypes = EventConstants.topLevelTypes;
var getFirstReactDOM = ReactMount.getFirstReactDOM;
var eventTypes = {
mouseEnter: {
registrationName: keyOf({onMouseEnter: null}),
dependencies: [
topLevelTypes.topMouseOut,
topLevelTypes.topMouseOver
]
},
mouseLeave: {
registrationName: keyOf({onMouseLeave: null}),
dependencies: [
topLevelTypes.topMouseOut,
topLevelTypes.topMouseOver
]
}
};
var extractedEvents = [null, null];
var EnterLeaveEventPlugin = {
eventTypes: eventTypes,
/**
* For almost every interaction we care about, there will be both a top-level
* `mouseover` and `mouseout` event that occurs. Only use `mouseout` so that
* we do not extract duplicate events. However, moving the mouse into the
* browser from outside will not fire a `mouseout` event. In this case, we use
* the `mouseover` top-level event.
*
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
if (topLevelType === topLevelTypes.topMouseOver &&
(nativeEvent.relatedTarget || nativeEvent.fromElement)) {
return null;
}
if (topLevelType !== topLevelTypes.topMouseOut &&
topLevelType !== topLevelTypes.topMouseOver) {
// Must not be a mouse in or mouse out - ignoring.
return null;
}
var win;
if (topLevelTarget.window === topLevelTarget) {
// `topLevelTarget` is probably a window object.
win = topLevelTarget;
} else {
// TODO: Figure out why `ownerDocument` is sometimes undefined in IE8.
var doc = topLevelTarget.ownerDocument;
if (doc) {
win = doc.defaultView || doc.parentWindow;
} else {
win = window;
}
}
var from, to;
if (topLevelType === topLevelTypes.topMouseOut) {
from = topLevelTarget;
to =
getFirstReactDOM(nativeEvent.relatedTarget || nativeEvent.toElement) ||
win;
} else {
from = win;
to = topLevelTarget;
}
if (from === to) {
// Nothing pertains to our managed components.
return null;
}
var fromID = from ? ReactMount.getID(from) : '';
var toID = to ? ReactMount.getID(to) : '';
var leave = SyntheticMouseEvent.getPooled(
eventTypes.mouseLeave,
fromID,
nativeEvent
);
leave.type = 'mouseleave';
leave.target = from;
leave.relatedTarget = to;
var enter = SyntheticMouseEvent.getPooled(
eventTypes.mouseEnter,
toID,
nativeEvent
);
enter.type = 'mouseenter';
enter.target = to;
enter.relatedTarget = from;
EventPropagators.accumulateEnterLeaveDispatches(leave, enter, fromID, toID);
extractedEvents[0] = leave;
extractedEvents[1] = enter;
return extractedEvents;
}
};
module.exports = EnterLeaveEventPlugin;
},{"./EventConstants":15,"./EventPropagators":20,"./ReactMount":61,"./SyntheticMouseEvent":88,"./keyOf":127}],15:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule EventConstants
*/
"use strict";
var keyMirror = _dereq_("./keyMirror");
var PropagationPhases = keyMirror({bubbled: null, captured: null});
/**
* Types of raw signals from the browser caught at the top level.
*/
var topLevelTypes = keyMirror({
topBlur: null,
topChange: null,
topClick: null,
topCompositionEnd: null,
topCompositionStart: null,
topCompositionUpdate: null,
topContextMenu: null,
topCopy: null,
topCut: null,
topDoubleClick: null,
topDrag: null,
topDragEnd: null,
topDragEnter: null,
topDragExit: null,
topDragLeave: null,
topDragOver: null,
topDragStart: null,
topDrop: null,
topError: null,
topFocus: null,
topInput: null,
topKeyDown: null,
topKeyPress: null,
topKeyUp: null,
topLoad: null,
topMouseDown: null,
topMouseMove: null,
topMouseOut: null,
topMouseOver: null,
topMouseUp: null,
topPaste: null,
topReset: null,
topScroll: null,
topSelectionChange: null,
topSubmit: null,
topTextInput: null,
topTouchCancel: null,
topTouchEnd: null,
topTouchMove: null,
topTouchStart: null,
topWheel: null
});
var EventConstants = {
topLevelTypes: topLevelTypes,
PropagationPhases: PropagationPhases
};
module.exports = EventConstants;
},{"./keyMirror":126}],16:[function(_dereq_,module,exports){
/**
* @providesModule EventListener
* @typechecks
*/
var emptyFunction = _dereq_("./emptyFunction");
/**
* Upstream version of event listener. Does not take into account specific
* nature of platform.
*/
var EventListener = {
/**
* Listen to DOM events during the bubble phase.
*
* @param {DOMEventTarget} target DOM element to register listener on.
* @param {string} eventType Event type, e.g. 'click' or 'mouseover'.
* @param {function} callback Callback function.
* @return {object} Object with a `remove` method.
*/
listen: function(target, eventType, callback) {
if (target.addEventListener) {
target.addEventListener(eventType, callback, false);
return {
remove: function() {
target.removeEventListener(eventType, callback, false);
}
};
} else if (target.attachEvent) {
target.attachEvent('on' + eventType, callback);
return {
remove: function() {
target.detachEvent('on' + eventType, callback);
}
};
}
},
/**
* Listen to DOM events during the capture phase.
*
* @param {DOMEventTarget} target DOM element to register listener on.
* @param {string} eventType Event type, e.g. 'click' or 'mouseover'.
* @param {function} callback Callback function.
* @return {object} Object with a `remove` method.
*/
capture: function(target, eventType, callback) {
if (!target.addEventListener) {
if ("production" !== "development") {
console.error(
'Attempted to listen to events during the capture phase on a ' +
'browser that does not support the capture phase. Your application ' +
'will not receive some events.'
);
}
return {
remove: emptyFunction
};
} else {
target.addEventListener(eventType, callback, true);
return {
remove: function() {
target.removeEventListener(eventType, callback, true);
}
};
}
},
registerDefault: function() {}
};
module.exports = EventListener;
},{"./emptyFunction":102}],17:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule EventPluginHub
*/
"use strict";
var EventPluginRegistry = _dereq_("./EventPluginRegistry");
var EventPluginUtils = _dereq_("./EventPluginUtils");
var accumulate = _dereq_("./accumulate");
var forEachAccumulated = _dereq_("./forEachAccumulated");
var invariant = _dereq_("./invariant");
var isEventSupported = _dereq_("./isEventSupported");
var monitorCodeUse = _dereq_("./monitorCodeUse");
/**
* Internal store for event listeners
*/
var listenerBank = {};
/**
* Internal queue of events that have accumulated their dispatches and are
* waiting to have their dispatches executed.
*/
var eventQueue = null;
/**
* Dispatches an event and releases it back into the pool, unless persistent.
*
* @param {?object} event Synthetic event to be dispatched.
* @private
*/
var executeDispatchesAndRelease = function(event) {
if (event) {
var executeDispatch = EventPluginUtils.executeDispatch;
// Plugins can provide custom behavior when dispatching events.
var PluginModule = EventPluginRegistry.getPluginModuleForEvent(event);
if (PluginModule && PluginModule.executeDispatch) {
executeDispatch = PluginModule.executeDispatch;
}
EventPluginUtils.executeDispatchesInOrder(event, executeDispatch);
if (!event.isPersistent()) {
event.constructor.release(event);
}
}
};
/**
* - `InstanceHandle`: [required] Module that performs logical traversals of DOM
* hierarchy given ids of the logical DOM elements involved.
*/
var InstanceHandle = null;
function validateInstanceHandle() {
var invalid = !InstanceHandle||
!InstanceHandle.traverseTwoPhase ||
!InstanceHandle.traverseEnterLeave;
if (invalid) {
throw new Error('InstanceHandle not injected before use!');
}
}
/**
* This is a unified interface for event plugins to be installed and configured.
*
* Event plugins can implement the following properties:
*
* `extractEvents` {function(string, DOMEventTarget, string, object): *}
* Required. When a top-level event is fired, this method is expected to
* extract synthetic events that will in turn be queued and dispatched.
*
* `eventTypes` {object}
* Optional, plugins that fire events must publish a mapping of registration
* names that are used to register listeners. Values of this mapping must
* be objects that contain `registrationName` or `phasedRegistrationNames`.
*
* `executeDispatch` {function(object, function, string)}
* Optional, allows plugins to override how an event gets dispatched. By
* default, the listener is simply invoked.
*
* Each plugin that is injected into `EventsPluginHub` is immediately operable.
*
* @public
*/
var EventPluginHub = {
/**
* Methods for injecting dependencies.
*/
injection: {
/**
* @param {object} InjectedMount
* @public
*/
injectMount: EventPluginUtils.injection.injectMount,
/**
* @param {object} InjectedInstanceHandle
* @public
*/
injectInstanceHandle: function(InjectedInstanceHandle) {
InstanceHandle = InjectedInstanceHandle;
if ("production" !== "development") {
validateInstanceHandle();
}
},
getInstanceHandle: function() {
if ("production" !== "development") {
validateInstanceHandle();
}
return InstanceHandle;
},
/**
* @param {array} InjectedEventPluginOrder
* @public
*/
injectEventPluginOrder: EventPluginRegistry.injectEventPluginOrder,
/**
* @param {object} injectedNamesToPlugins Map from names to plugin modules.
*/
injectEventPluginsByName: EventPluginRegistry.injectEventPluginsByName
},
eventNameDispatchConfigs: EventPluginRegistry.eventNameDispatchConfigs,
registrationNameModules: EventPluginRegistry.registrationNameModules,
/**
* Stores `listener` at `listenerBank[registrationName][id]`. Is idempotent.
*
* @param {string} id ID of the DOM element.
* @param {string} registrationName Name of listener (e.g. `onClick`).
* @param {?function} listener The callback to store.
*/
putListener: function(id, registrationName, listener) {
("production" !== "development" ? invariant(
!listener || typeof listener === 'function',
'Expected %s listener to be a function, instead got type %s',
registrationName, typeof listener
) : invariant(!listener || typeof listener === 'function'));
if ("production" !== "development") {
// IE8 has no API for event capturing and the `onScroll` event doesn't
// bubble.
if (registrationName === 'onScroll' &&
!isEventSupported('scroll', true)) {
monitorCodeUse('react_no_scroll_event');
console.warn('This browser doesn\'t support the `onScroll` event');
}
}
var bankForRegistrationName =
listenerBank[registrationName] || (listenerBank[registrationName] = {});
bankForRegistrationName[id] = listener;
},
/**
* @param {string} id ID of the DOM element.
* @param {string} registrationName Name of listener (e.g. `onClick`).
* @return {?function} The stored callback.
*/
getListener: function(id, registrationName) {
var bankForRegistrationName = listenerBank[registrationName];
return bankForRegistrationName && bankForRegistrationName[id];
},
/**
* Deletes a listener from the registration bank.
*
* @param {string} id ID of the DOM element.
* @param {string} registrationName Name of listener (e.g. `onClick`).
*/
deleteListener: function(id, registrationName) {
var bankForRegistrationName = listenerBank[registrationName];
if (bankForRegistrationName) {
delete bankForRegistrationName[id];
}
},
/**
* Deletes all listeners for the DOM element with the supplied ID.
*
* @param {string} id ID of the DOM element.
*/
deleteAllListeners: function(id) {
for (var registrationName in listenerBank) {
delete listenerBank[registrationName][id];
}
},
/**
* Allows registered plugins an opportunity to extract events from top-level
* native browser events.
*
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @internal
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var events;
var plugins = EventPluginRegistry.plugins;
for (var i = 0, l = plugins.length; i < l; i++) {
// Not every plugin in the ordering may be loaded at runtime.
var possiblePlugin = plugins[i];
if (possiblePlugin) {
var extractedEvents = possiblePlugin.extractEvents(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent
);
if (extractedEvents) {
events = accumulate(events, extractedEvents);
}
}
}
return events;
},
/**
* Enqueues a synthetic event that should be dispatched when
* `processEventQueue` is invoked.
*
* @param {*} events An accumulation of synthetic events.
* @internal
*/
enqueueEvents: function(events) {
if (events) {
eventQueue = accumulate(eventQueue, events);
}
},
/**
* Dispatches all synthetic events on the event queue.
*
* @internal
*/
processEventQueue: function() {
// Set `eventQueue` to null before processing it so that we can tell if more
// events get enqueued while processing.
var processingEventQueue = eventQueue;
eventQueue = null;
forEachAccumulated(processingEventQueue, executeDispatchesAndRelease);
("production" !== "development" ? invariant(
!eventQueue,
'processEventQueue(): Additional events were enqueued while processing ' +
'an event queue. Support for this has not yet been implemented.'
) : invariant(!eventQueue));
},
/**
* These are needed for tests only. Do not use!
*/
__purge: function() {
listenerBank = {};
},
__getListenerBank: function() {
return listenerBank;
}
};
module.exports = EventPluginHub;
},{"./EventPluginRegistry":18,"./EventPluginUtils":19,"./accumulate":94,"./forEachAccumulated":107,"./invariant":120,"./isEventSupported":121,"./monitorCodeUse":134}],18:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule EventPluginRegistry
* @typechecks static-only
*/
"use strict";
var invariant = _dereq_("./invariant");
/**
* Injectable ordering of event plugins.
*/
var EventPluginOrder = null;
/**
* Injectable mapping from names to event plugin modules.
*/
var namesToPlugins = {};
/**
* Recomputes the plugin list using the injected plugins and plugin ordering.
*
* @private
*/
function recomputePluginOrdering() {
if (!EventPluginOrder) {
// Wait until an `EventPluginOrder` is injected.
return;
}
for (var pluginName in namesToPlugins) {
var PluginModule = namesToPlugins[pluginName];
var pluginIndex = EventPluginOrder.indexOf(pluginName);
("production" !== "development" ? invariant(
pluginIndex > -1,
'EventPluginRegistry: Cannot inject event plugins that do not exist in ' +
'the plugin ordering, `%s`.',
pluginName
) : invariant(pluginIndex > -1));
if (EventPluginRegistry.plugins[pluginIndex]) {
continue;
}
("production" !== "development" ? invariant(
PluginModule.extractEvents,
'EventPluginRegistry: Event plugins must implement an `extractEvents` ' +
'method, but `%s` does not.',
pluginName
) : invariant(PluginModule.extractEvents));
EventPluginRegistry.plugins[pluginIndex] = PluginModule;
var publishedEvents = PluginModule.eventTypes;
for (var eventName in publishedEvents) {
("production" !== "development" ? invariant(
publishEventForPlugin(
publishedEvents[eventName],
PluginModule,
eventName
),
'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.',
eventName,
pluginName
) : invariant(publishEventForPlugin(
publishedEvents[eventName],
PluginModule,
eventName
)));
}
}
}
/**
* Publishes an event so that it can be dispatched by the supplied plugin.
*
* @param {object} dispatchConfig Dispatch configuration for the event.
* @param {object} PluginModule Plugin publishing the event.
* @return {boolean} True if the event was successfully published.
* @private
*/
function publishEventForPlugin(dispatchConfig, PluginModule, eventName) {
("production" !== "development" ? invariant(
!EventPluginRegistry.eventNameDispatchConfigs.hasOwnProperty(eventName),
'EventPluginHub: More than one plugin attempted to publish the same ' +
'event name, `%s`.',
eventName
) : invariant(!EventPluginRegistry.eventNameDispatchConfigs.hasOwnProperty(eventName)));
EventPluginRegistry.eventNameDispatchConfigs[eventName] = dispatchConfig;
var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;
if (phasedRegistrationNames) {
for (var phaseName in phasedRegistrationNames) {
if (phasedRegistrationNames.hasOwnProperty(phaseName)) {
var phasedRegistrationName = phasedRegistrationNames[phaseName];
publishRegistrationName(
phasedRegistrationName,
PluginModule,
eventName
);
}
}
return true;
} else if (dispatchConfig.registrationName) {
publishRegistrationName(
dispatchConfig.registrationName,
PluginModule,
eventName
);
return true;
}
return false;
}
/**
* Publishes a registration name that is used to identify dispatched events and
* can be used with `EventPluginHub.putListener` to register listeners.
*
* @param {string} registrationName Registration name to add.
* @param {object} PluginModule Plugin publishing the event.
* @private
*/
function publishRegistrationName(registrationName, PluginModule, eventName) {
("production" !== "development" ? invariant(
!EventPluginRegistry.registrationNameModules[registrationName],
'EventPluginHub: More than one plugin attempted to publish the same ' +
'registration name, `%s`.',
registrationName
) : invariant(!EventPluginRegistry.registrationNameModules[registrationName]));
EventPluginRegistry.registrationNameModules[registrationName] = PluginModule;
EventPluginRegistry.registrationNameDependencies[registrationName] =
PluginModule.eventTypes[eventName].dependencies;
}
/**
* Registers plugins so that they can extract and dispatch events.
*
* @see {EventPluginHub}
*/
var EventPluginRegistry = {
/**
* Ordered list of injected plugins.
*/
plugins: [],
/**
* Mapping from event name to dispatch config
*/
eventNameDispatchConfigs: {},
/**
* Mapping from registration name to plugin module
*/
registrationNameModules: {},
/**
* Mapping from registration name to event name
*/
registrationNameDependencies: {},
/**
* Injects an ordering of plugins (by plugin name). This allows the ordering
* to be decoupled from injection of the actual plugins so that ordering is
* always deterministic regardless of packaging, on-the-fly injection, etc.
*
* @param {array} InjectedEventPluginOrder
* @internal
* @see {EventPluginHub.injection.injectEventPluginOrder}
*/
injectEventPluginOrder: function(InjectedEventPluginOrder) {
("production" !== "development" ? invariant(
!EventPluginOrder,
'EventPluginRegistry: Cannot inject event plugin ordering more than ' +
'once. You are likely trying to load more than one copy of React.'
) : invariant(!EventPluginOrder));
// Clone the ordering so it cannot be dynamically mutated.
EventPluginOrder = Array.prototype.slice.call(InjectedEventPluginOrder);
recomputePluginOrdering();
},
/**
* Injects plugins to be used by `EventPluginHub`. The plugin names must be
* in the ordering injected by `injectEventPluginOrder`.
*
* Plugins can be injected as part of page initialization or on-the-fly.
*
* @param {object} injectedNamesToPlugins Map from names to plugin modules.
* @internal
* @see {EventPluginHub.injection.injectEventPluginsByName}
*/
injectEventPluginsByName: function(injectedNamesToPlugins) {
var isOrderingDirty = false;
for (var pluginName in injectedNamesToPlugins) {
if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {
continue;
}
var PluginModule = injectedNamesToPlugins[pluginName];
if (!namesToPlugins.hasOwnProperty(pluginName) ||
namesToPlugins[pluginName] !== PluginModule) {
("production" !== "development" ? invariant(
!namesToPlugins[pluginName],
'EventPluginRegistry: Cannot inject two different event plugins ' +
'using the same name, `%s`.',
pluginName
) : invariant(!namesToPlugins[pluginName]));
namesToPlugins[pluginName] = PluginModule;
isOrderingDirty = true;
}
}
if (isOrderingDirty) {
recomputePluginOrdering();
}
},
/**
* Looks up the plugin for the supplied event.
*
* @param {object} event A synthetic event.
* @return {?object} The plugin that created the supplied event.
* @internal
*/
getPluginModuleForEvent: function(event) {
var dispatchConfig = event.dispatchConfig;
if (dispatchConfig.registrationName) {
return EventPluginRegistry.registrationNameModules[
dispatchConfig.registrationName
] || null;
}
for (var phase in dispatchConfig.phasedRegistrationNames) {
if (!dispatchConfig.phasedRegistrationNames.hasOwnProperty(phase)) {
continue;
}
var PluginModule = EventPluginRegistry.registrationNameModules[
dispatchConfig.phasedRegistrationNames[phase]
];
if (PluginModule) {
return PluginModule;
}
}
return null;
},
/**
* Exposed for unit testing.
* @private
*/
_resetEventPlugins: function() {
EventPluginOrder = null;
for (var pluginName in namesToPlugins) {
if (namesToPlugins.hasOwnProperty(pluginName)) {
delete namesToPlugins[pluginName];
}
}
EventPluginRegistry.plugins.length = 0;
var eventNameDispatchConfigs = EventPluginRegistry.eventNameDispatchConfigs;
for (var eventName in eventNameDispatchConfigs) {
if (eventNameDispatchConfigs.hasOwnProperty(eventName)) {
delete eventNameDispatchConfigs[eventName];
}
}
var registrationNameModules = EventPluginRegistry.registrationNameModules;
for (var registrationName in registrationNameModules) {
if (registrationNameModules.hasOwnProperty(registrationName)) {
delete registrationNameModules[registrationName];
}
}
}
};
module.exports = EventPluginRegistry;
},{"./invariant":120}],19:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule EventPluginUtils
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var invariant = _dereq_("./invariant");
/**
* Injected dependencies:
*/
/**
* - `Mount`: [required] Module that can convert between React dom IDs and
* actual node references.
*/
var injection = {
Mount: null,
injectMount: function(InjectedMount) {
injection.Mount = InjectedMount;
if ("production" !== "development") {
("production" !== "development" ? invariant(
InjectedMount && InjectedMount.getNode,
'EventPluginUtils.injection.injectMount(...): Injected Mount module ' +
'is missing getNode.'
) : invariant(InjectedMount && InjectedMount.getNode));
}
}
};
var topLevelTypes = EventConstants.topLevelTypes;
function isEndish(topLevelType) {
return topLevelType === topLevelTypes.topMouseUp ||
topLevelType === topLevelTypes.topTouchEnd ||
topLevelType === topLevelTypes.topTouchCancel;
}
function isMoveish(topLevelType) {
return topLevelType === topLevelTypes.topMouseMove ||
topLevelType === topLevelTypes.topTouchMove;
}
function isStartish(topLevelType) {
return topLevelType === topLevelTypes.topMouseDown ||
topLevelType === topLevelTypes.topTouchStart;
}
var validateEventDispatches;
if ("production" !== "development") {
validateEventDispatches = function(event) {
var dispatchListeners = event._dispatchListeners;
var dispatchIDs = event._dispatchIDs;
var listenersIsArr = Array.isArray(dispatchListeners);
var idsIsArr = Array.isArray(dispatchIDs);
var IDsLen = idsIsArr ? dispatchIDs.length : dispatchIDs ? 1 : 0;
var listenersLen = listenersIsArr ?
dispatchListeners.length :
dispatchListeners ? 1 : 0;
("production" !== "development" ? invariant(
idsIsArr === listenersIsArr && IDsLen === listenersLen,
'EventPluginUtils: Invalid `event`.'
) : invariant(idsIsArr === listenersIsArr && IDsLen === listenersLen));
};
}
/**
* Invokes `cb(event, listener, id)`. Avoids using call if no scope is
* provided. The `(listener,id)` pair effectively forms the "dispatch" but are
* kept separate to conserve memory.
*/
function forEachEventDispatch(event, cb) {
var dispatchListeners = event._dispatchListeners;
var dispatchIDs = event._dispatchIDs;
if ("production" !== "development") {
validateEventDispatches(event);
}
if (Array.isArray(dispatchListeners)) {
for (var i = 0; i < dispatchListeners.length; i++) {
if (event.isPropagationStopped()) {
break;
}
// Listeners and IDs are two parallel arrays that are always in sync.
cb(event, dispatchListeners[i], dispatchIDs[i]);
}
} else if (dispatchListeners) {
cb(event, dispatchListeners, dispatchIDs);
}
}
/**
* Default implementation of PluginModule.executeDispatch().
* @param {SyntheticEvent} SyntheticEvent to handle
* @param {function} Application-level callback
* @param {string} domID DOM id to pass to the callback.
*/
function executeDispatch(event, listener, domID) {
event.currentTarget = injection.Mount.getNode(domID);
var returnValue = listener(event, domID);
event.currentTarget = null;
return returnValue;
}
/**
* Standard/simple iteration through an event's collected dispatches.
*/
function executeDispatchesInOrder(event, executeDispatch) {
forEachEventDispatch(event, executeDispatch);
event._dispatchListeners = null;
event._dispatchIDs = null;
}
/**
* Standard/simple iteration through an event's collected dispatches, but stops
* at the first dispatch execution returning true, and returns that id.
*
* @return id of the first dispatch execution who's listener returns true, or
* null if no listener returned true.
*/
function executeDispatchesInOrderStopAtTrueImpl(event) {
var dispatchListeners = event._dispatchListeners;
var dispatchIDs = event._dispatchIDs;
if ("production" !== "development") {
validateEventDispatches(event);
}
if (Array.isArray(dispatchListeners)) {
for (var i = 0; i < dispatchListeners.length; i++) {
if (event.isPropagationStopped()) {
break;
}
// Listeners and IDs are two parallel arrays that are always in sync.
if (dispatchListeners[i](event, dispatchIDs[i])) {
return dispatchIDs[i];
}
}
} else if (dispatchListeners) {
if (dispatchListeners(event, dispatchIDs)) {
return dispatchIDs;
}
}
return null;
}
/**
* @see executeDispatchesInOrderStopAtTrueImpl
*/
function executeDispatchesInOrderStopAtTrue(event) {
var ret = executeDispatchesInOrderStopAtTrueImpl(event);
event._dispatchIDs = null;
event._dispatchListeners = null;
return ret;
}
/**
* Execution of a "direct" dispatch - there must be at most one dispatch
* accumulated on the event or it is considered an error. It doesn't really make
* sense for an event with multiple dispatches (bubbled) to keep track of the
* return values at each dispatch execution, but it does tend to make sense when
* dealing with "direct" dispatches.
*
* @return The return value of executing the single dispatch.
*/
function executeDirectDispatch(event) {
if ("production" !== "development") {
validateEventDispatches(event);
}
var dispatchListener = event._dispatchListeners;
var dispatchID = event._dispatchIDs;
("production" !== "development" ? invariant(
!Array.isArray(dispatchListener),
'executeDirectDispatch(...): Invalid `event`.'
) : invariant(!Array.isArray(dispatchListener)));
var res = dispatchListener ?
dispatchListener(event, dispatchID) :
null;
event._dispatchListeners = null;
event._dispatchIDs = null;
return res;
}
/**
* @param {SyntheticEvent} event
* @return {bool} True iff number of dispatches accumulated is greater than 0.
*/
function hasDispatches(event) {
return !!event._dispatchListeners;
}
/**
* General utilities that are useful in creating custom Event Plugins.
*/
var EventPluginUtils = {
isEndish: isEndish,
isMoveish: isMoveish,
isStartish: isStartish,
executeDirectDispatch: executeDirectDispatch,
executeDispatch: executeDispatch,
executeDispatchesInOrder: executeDispatchesInOrder,
executeDispatchesInOrderStopAtTrue: executeDispatchesInOrderStopAtTrue,
hasDispatches: hasDispatches,
injection: injection,
useTouchEvents: false
};
module.exports = EventPluginUtils;
},{"./EventConstants":15,"./invariant":120}],20:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule EventPropagators
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPluginHub = _dereq_("./EventPluginHub");
var accumulate = _dereq_("./accumulate");
var forEachAccumulated = _dereq_("./forEachAccumulated");
var PropagationPhases = EventConstants.PropagationPhases;
var getListener = EventPluginHub.getListener;
/**
* Some event types have a notion of different registration names for different
* "phases" of propagation. This finds listeners by a given phase.
*/
function listenerAtPhase(id, event, propagationPhase) {
var registrationName =
event.dispatchConfig.phasedRegistrationNames[propagationPhase];
return getListener(id, registrationName);
}
/**
* Tags a `SyntheticEvent` with dispatched listeners. Creating this function
* here, allows us to not have to bind or create functions for each event.
* Mutating the event's members allows us to not have to create a wrapping
* "dispatch" object that pairs the event with the listener.
*/
function accumulateDirectionalDispatches(domID, upwards, event) {
if ("production" !== "development") {
if (!domID) {
throw new Error('Dispatching id must not be null');
}
}
var phase = upwards ? PropagationPhases.bubbled : PropagationPhases.captured;
var listener = listenerAtPhase(domID, event, phase);
if (listener) {
event._dispatchListeners = accumulate(event._dispatchListeners, listener);
event._dispatchIDs = accumulate(event._dispatchIDs, domID);
}
}
/**
* Collect dispatches (must be entirely collected before dispatching - see unit
* tests). Lazily allocate the array to conserve memory. We must loop through
* each event and perform the traversal for each one. We can not perform a
* single traversal for the entire collection of events because each event may
* have a different target.
*/
function accumulateTwoPhaseDispatchesSingle(event) {
if (event && event.dispatchConfig.phasedRegistrationNames) {
EventPluginHub.injection.getInstanceHandle().traverseTwoPhase(
event.dispatchMarker,
accumulateDirectionalDispatches,
event
);
}
}
/**
* Accumulates without regard to direction, does not look for phased
* registration names. Same as `accumulateDirectDispatchesSingle` but without
* requiring that the `dispatchMarker` be the same as the dispatched ID.
*/
function accumulateDispatches(id, ignoredDirection, event) {
if (event && event.dispatchConfig.registrationName) {
var registrationName = event.dispatchConfig.registrationName;
var listener = getListener(id, registrationName);
if (listener) {
event._dispatchListeners = accumulate(event._dispatchListeners, listener);
event._dispatchIDs = accumulate(event._dispatchIDs, id);
}
}
}
/**
* Accumulates dispatches on an `SyntheticEvent`, but only for the
* `dispatchMarker`.
* @param {SyntheticEvent} event
*/
function accumulateDirectDispatchesSingle(event) {
if (event && event.dispatchConfig.registrationName) {
accumulateDispatches(event.dispatchMarker, null, event);
}
}
function accumulateTwoPhaseDispatches(events) {
forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle);
}
function accumulateEnterLeaveDispatches(leave, enter, fromID, toID) {
EventPluginHub.injection.getInstanceHandle().traverseEnterLeave(
fromID,
toID,
accumulateDispatches,
leave,
enter
);
}
function accumulateDirectDispatches(events) {
forEachAccumulated(events, accumulateDirectDispatchesSingle);
}
/**
* A small set of propagation patterns, each of which will accept a small amount
* of information, and generate a set of "dispatch ready event objects" - which
* are sets of events that have already been annotated with a set of dispatched
* listener functions/ids. The API is designed this way to discourage these
* propagation strategies from actually executing the dispatches, since we
* always want to collect the entire set of dispatches before executing event a
* single one.
*
* @constructor EventPropagators
*/
var EventPropagators = {
accumulateTwoPhaseDispatches: accumulateTwoPhaseDispatches,
accumulateDirectDispatches: accumulateDirectDispatches,
accumulateEnterLeaveDispatches: accumulateEnterLeaveDispatches
};
module.exports = EventPropagators;
},{"./EventConstants":15,"./EventPluginHub":17,"./accumulate":94,"./forEachAccumulated":107}],21:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ExecutionEnvironment
*/
/*jslint evil: true */
"use strict";
var canUseDOM = !!(
typeof window !== 'undefined' &&
window.document &&
window.document.createElement
);
/**
* Simple, lightweight module assisting with the detection and context of
* Worker. Helps avoid circular dependencies and allows code to reason about
* whether or not they are in a Worker, even if they never include the main
* `ReactWorker` dependency.
*/
var ExecutionEnvironment = {
canUseDOM: canUseDOM,
canUseWorkers: typeof Worker !== 'undefined',
canUseEventListeners:
canUseDOM && !!(window.addEventListener || window.attachEvent),
canUseViewport: canUseDOM && !!window.screen,
isInWorker: !canUseDOM // For now, this is true - might change in the future.
};
module.exports = ExecutionEnvironment;
},{}],22:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule HTMLDOMPropertyConfig
*/
/*jslint bitwise: true*/
"use strict";
var DOMProperty = _dereq_("./DOMProperty");
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var MUST_USE_ATTRIBUTE = DOMProperty.injection.MUST_USE_ATTRIBUTE;
var MUST_USE_PROPERTY = DOMProperty.injection.MUST_USE_PROPERTY;
var HAS_BOOLEAN_VALUE = DOMProperty.injection.HAS_BOOLEAN_VALUE;
var HAS_SIDE_EFFECTS = DOMProperty.injection.HAS_SIDE_EFFECTS;
var HAS_NUMERIC_VALUE = DOMProperty.injection.HAS_NUMERIC_VALUE;
var HAS_POSITIVE_NUMERIC_VALUE =
DOMProperty.injection.HAS_POSITIVE_NUMERIC_VALUE;
var HAS_OVERLOADED_BOOLEAN_VALUE =
DOMProperty.injection.HAS_OVERLOADED_BOOLEAN_VALUE;
var hasSVG;
if (ExecutionEnvironment.canUseDOM) {
var implementation = document.implementation;
hasSVG = (
implementation &&
implementation.hasFeature &&
implementation.hasFeature(
'http://www.w3.org/TR/SVG11/feature#BasicStructure',
'1.1'
)
);
}
var HTMLDOMPropertyConfig = {
isCustomAttribute: RegExp.prototype.test.bind(
/^(data|aria)-[a-z_][a-z\d_.\-]*$/
),
Properties: {
/**
* Standard Properties
*/
accept: null,
accessKey: null,
action: null,
allowFullScreen: MUST_USE_ATTRIBUTE | HAS_BOOLEAN_VALUE,
allowTransparency: MUST_USE_ATTRIBUTE,
alt: null,
async: HAS_BOOLEAN_VALUE,
autoComplete: null,
// autoFocus is polyfilled/normalized by AutoFocusMixin
// autoFocus: HAS_BOOLEAN_VALUE,
autoPlay: HAS_BOOLEAN_VALUE,
cellPadding: null,
cellSpacing: null,
charSet: MUST_USE_ATTRIBUTE,
checked: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
// To set className on SVG elements, it's necessary to use .setAttribute;
// this works on HTML elements too in all browsers except IE8. Conveniently,
// IE8 doesn't support SVG and so we can simply use the attribute in
// browsers that support SVG and the property in browsers that don't,
// regardless of whether the element is HTML or SVG.
className: hasSVG ? MUST_USE_ATTRIBUTE : MUST_USE_PROPERTY,
cols: MUST_USE_ATTRIBUTE | HAS_POSITIVE_NUMERIC_VALUE,
colSpan: null,
content: null,
contentEditable: null,
contextMenu: MUST_USE_ATTRIBUTE,
controls: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
coords: null,
crossOrigin: null,
data: null, // For `<object />` acts as `src`.
dateTime: MUST_USE_ATTRIBUTE,
defer: HAS_BOOLEAN_VALUE,
dir: null,
disabled: MUST_USE_ATTRIBUTE | HAS_BOOLEAN_VALUE,
download: HAS_OVERLOADED_BOOLEAN_VALUE,
draggable: null,
encType: null,
form: MUST_USE_ATTRIBUTE,
formNoValidate: HAS_BOOLEAN_VALUE,
frameBorder: MUST_USE_ATTRIBUTE,
height: MUST_USE_ATTRIBUTE,
hidden: MUST_USE_ATTRIBUTE | HAS_BOOLEAN_VALUE,
href: null,
hrefLang: null,
htmlFor: null,
httpEquiv: null,
icon: null,
id: MUST_USE_PROPERTY,
label: null,
lang: null,
list: null,
loop: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
max: null,
maxLength: MUST_USE_ATTRIBUTE,
media: null,
mediaGroup: null,
method: null,
min: null,
multiple: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
muted: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
name: null,
noValidate: HAS_BOOLEAN_VALUE,
pattern: null,
placeholder: null,
poster: null,
preload: null,
radioGroup: null,
readOnly: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
rel: null,
required: HAS_BOOLEAN_VALUE,
role: MUST_USE_ATTRIBUTE,
rows: MUST_USE_ATTRIBUTE | HAS_POSITIVE_NUMERIC_VALUE,
rowSpan: null,
sandbox: null,
scope: null,
scrollLeft: MUST_USE_PROPERTY,
scrolling: null,
scrollTop: MUST_USE_PROPERTY,
seamless: MUST_USE_ATTRIBUTE | HAS_BOOLEAN_VALUE,
selected: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
shape: null,
size: MUST_USE_ATTRIBUTE | HAS_POSITIVE_NUMERIC_VALUE,
sizes: null,
span: HAS_POSITIVE_NUMERIC_VALUE,
spellCheck: null,
src: null,
srcDoc: MUST_USE_PROPERTY,
srcSet: null,
start: HAS_NUMERIC_VALUE,
step: null,
style: null,
tabIndex: null,
target: null,
title: null,
type: null,
useMap: null,
value: MUST_USE_PROPERTY | HAS_SIDE_EFFECTS,
width: MUST_USE_ATTRIBUTE,
wmode: MUST_USE_ATTRIBUTE,
/**
* Non-standard Properties
*/
autoCapitalize: null, // Supported in Mobile Safari for keyboard hints
autoCorrect: null, // Supported in Mobile Safari for keyboard hints
itemProp: MUST_USE_ATTRIBUTE, // Microdata: http://schema.org/docs/gs.html
itemScope: MUST_USE_ATTRIBUTE | HAS_BOOLEAN_VALUE, // Microdata: http://schema.org/docs/gs.html
itemType: MUST_USE_ATTRIBUTE, // Microdata: http://schema.org/docs/gs.html
property: null // Supports OG in meta tags
},
DOMAttributeNames: {
className: 'class',
htmlFor: 'for',
httpEquiv: 'http-equiv'
},
DOMPropertyNames: {
autoCapitalize: 'autocapitalize',
autoComplete: 'autocomplete',
autoCorrect: 'autocorrect',
autoFocus: 'autofocus',
autoPlay: 'autoplay',
encType: 'enctype',
hrefLang: 'hreflang',
radioGroup: 'radiogroup',
spellCheck: 'spellcheck',
srcDoc: 'srcdoc',
srcSet: 'srcset'
}
};
module.exports = HTMLDOMPropertyConfig;
},{"./DOMProperty":10,"./ExecutionEnvironment":21}],23:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule LinkedValueUtils
* @typechecks static-only
*/
"use strict";
var ReactPropTypes = _dereq_("./ReactPropTypes");
var invariant = _dereq_("./invariant");
var hasReadOnlyValue = {
'button': true,
'checkbox': true,
'image': true,
'hidden': true,
'radio': true,
'reset': true,
'submit': true
};
function _assertSingleLink(input) {
("production" !== "development" ? invariant(
input.props.checkedLink == null || input.props.valueLink == null,
'Cannot provide a checkedLink and a valueLink. If you want to use ' +
'checkedLink, you probably don\'t want to use valueLink and vice versa.'
) : invariant(input.props.checkedLink == null || input.props.valueLink == null));
}
function _assertValueLink(input) {
_assertSingleLink(input);
("production" !== "development" ? invariant(
input.props.value == null && input.props.onChange == null,
'Cannot provide a valueLink and a value or onChange event. If you want ' +
'to use value or onChange, you probably don\'t want to use valueLink.'
) : invariant(input.props.value == null && input.props.onChange == null));
}
function _assertCheckedLink(input) {
_assertSingleLink(input);
("production" !== "development" ? invariant(
input.props.checked == null && input.props.onChange == null,
'Cannot provide a checkedLink and a checked property or onChange event. ' +
'If you want to use checked or onChange, you probably don\'t want to ' +
'use checkedLink'
) : invariant(input.props.checked == null && input.props.onChange == null));
}
/**
* @param {SyntheticEvent} e change event to handle
*/
function _handleLinkedValueChange(e) {
/*jshint validthis:true */
this.props.valueLink.requestChange(e.target.value);
}
/**
* @param {SyntheticEvent} e change event to handle
*/
function _handleLinkedCheckChange(e) {
/*jshint validthis:true */
this.props.checkedLink.requestChange(e.target.checked);
}
/**
* Provide a linked `value` attribute for controlled forms. You should not use
* this outside of the ReactDOM controlled form components.
*/
var LinkedValueUtils = {
Mixin: {
propTypes: {
value: function(props, propName, componentName) {
if (!props[propName] ||
hasReadOnlyValue[props.type] ||
props.onChange ||
props.readOnly ||
props.disabled) {
return;
}
return new Error(
'You provided a `value` prop to a form field without an ' +
'`onChange` handler. This will render a read-only field. If ' +
'the field should be mutable use `defaultValue`. Otherwise, ' +
'set either `onChange` or `readOnly`.'
);
},
checked: function(props, propName, componentName) {
if (!props[propName] ||
props.onChange ||
props.readOnly ||
props.disabled) {
return;
}
return new Error(
'You provided a `checked` prop to a form field without an ' +
'`onChange` handler. This will render a read-only field. If ' +
'the field should be mutable use `defaultChecked`. Otherwise, ' +
'set either `onChange` or `readOnly`.'
);
},
onChange: ReactPropTypes.func
}
},
/**
* @param {ReactComponent} input Form component
* @return {*} current value of the input either from value prop or link.
*/
getValue: function(input) {
if (input.props.valueLink) {
_assertValueLink(input);
return input.props.valueLink.value;
}
return input.props.value;
},
/**
* @param {ReactComponent} input Form component
* @return {*} current checked status of the input either from checked prop
* or link.
*/
getChecked: function(input) {
if (input.props.checkedLink) {
_assertCheckedLink(input);
return input.props.checkedLink.value;
}
return input.props.checked;
},
/**
* @param {ReactComponent} input Form component
* @return {function} change callback either from onChange prop or link.
*/
getOnChange: function(input) {
if (input.props.valueLink) {
_assertValueLink(input);
return _handleLinkedValueChange;
} else if (input.props.checkedLink) {
_assertCheckedLink(input);
return _handleLinkedCheckChange;
}
return input.props.onChange;
}
};
module.exports = LinkedValueUtils;
},{"./ReactPropTypes":69,"./invariant":120}],24:[function(_dereq_,module,exports){
/**
* Copyright 2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule LocalEventTrapMixin
*/
"use strict";
var ReactBrowserEventEmitter = _dereq_("./ReactBrowserEventEmitter");
var accumulate = _dereq_("./accumulate");
var forEachAccumulated = _dereq_("./forEachAccumulated");
var invariant = _dereq_("./invariant");
function remove(event) {
event.remove();
}
var LocalEventTrapMixin = {
trapBubbledEvent:function(topLevelType, handlerBaseName) {
("production" !== "development" ? invariant(this.isMounted(), 'Must be mounted to trap events') : invariant(this.isMounted()));
var listener = ReactBrowserEventEmitter.trapBubbledEvent(
topLevelType,
handlerBaseName,
this.getDOMNode()
);
this._localEventListeners = accumulate(this._localEventListeners, listener);
},
// trapCapturedEvent would look nearly identical. We don't implement that
// method because it isn't currently needed.
componentWillUnmount:function() {
if (this._localEventListeners) {
forEachAccumulated(this._localEventListeners, remove);
}
}
};
module.exports = LocalEventTrapMixin;
},{"./ReactBrowserEventEmitter":29,"./accumulate":94,"./forEachAccumulated":107,"./invariant":120}],25:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule MobileSafariClickEventPlugin
* @typechecks static-only
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var emptyFunction = _dereq_("./emptyFunction");
var topLevelTypes = EventConstants.topLevelTypes;
/**
* Mobile Safari does not fire properly bubble click events on non-interactive
* elements, which means delegated click listeners do not fire. The workaround
* for this bug involves attaching an empty click listener on the target node.
*
* This particular plugin works around the bug by attaching an empty click
* listener on `touchstart` (which does fire on every element).
*/
var MobileSafariClickEventPlugin = {
eventTypes: null,
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
if (topLevelType === topLevelTypes.topTouchStart) {
var target = nativeEvent.target;
if (target && !target.onclick) {
target.onclick = emptyFunction;
}
}
}
};
module.exports = MobileSafariClickEventPlugin;
},{"./EventConstants":15,"./emptyFunction":102}],26:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule PooledClass
*/
"use strict";
var invariant = _dereq_("./invariant");
/**
* Static poolers. Several custom versions for each potential number of
* arguments. A completely generic pooler is easy to implement, but would
* require accessing the `arguments` object. In each of these, `this` refers to
* the Class itself, not an instance. If any others are needed, simply add them
* here, or in their own files.
*/
var oneArgumentPooler = function(copyFieldsFrom) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, copyFieldsFrom);
return instance;
} else {
return new Klass(copyFieldsFrom);
}
};
var twoArgumentPooler = function(a1, a2) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2);
return instance;
} else {
return new Klass(a1, a2);
}
};
var threeArgumentPooler = function(a1, a2, a3) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3);
return instance;
} else {
return new Klass(a1, a2, a3);
}
};
var fiveArgumentPooler = function(a1, a2, a3, a4, a5) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4, a5);
return instance;
} else {
return new Klass(a1, a2, a3, a4, a5);
}
};
var standardReleaser = function(instance) {
var Klass = this;
("production" !== "development" ? invariant(
instance instanceof Klass,
'Trying to release an instance into a pool of a different type.'
) : invariant(instance instanceof Klass));
if (instance.destructor) {
instance.destructor();
}
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
};
var DEFAULT_POOL_SIZE = 10;
var DEFAULT_POOLER = oneArgumentPooler;
/**
* Augments `CopyConstructor` to be a poolable class, augmenting only the class
* itself (statically) not adding any prototypical fields. Any CopyConstructor
* you give this may have a `poolSize` property, and will look for a
* prototypical `destructor` on instances (optional).
*
* @param {Function} CopyConstructor Constructor that can be used to reset.
* @param {Function} pooler Customizable pooler.
*/
var addPoolingTo = function(CopyConstructor, pooler) {
var NewKlass = CopyConstructor;
NewKlass.instancePool = [];
NewKlass.getPooled = pooler || DEFAULT_POOLER;
if (!NewKlass.poolSize) {
NewKlass.poolSize = DEFAULT_POOL_SIZE;
}
NewKlass.release = standardReleaser;
return NewKlass;
};
var PooledClass = {
addPoolingTo: addPoolingTo,
oneArgumentPooler: oneArgumentPooler,
twoArgumentPooler: twoArgumentPooler,
threeArgumentPooler: threeArgumentPooler,
fiveArgumentPooler: fiveArgumentPooler
};
module.exports = PooledClass;
},{"./invariant":120}],27:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule React
*/
"use strict";
var DOMPropertyOperations = _dereq_("./DOMPropertyOperations");
var EventPluginUtils = _dereq_("./EventPluginUtils");
var ReactChildren = _dereq_("./ReactChildren");
var ReactComponent = _dereq_("./ReactComponent");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactContext = _dereq_("./ReactContext");
var ReactCurrentOwner = _dereq_("./ReactCurrentOwner");
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactDOM = _dereq_("./ReactDOM");
var ReactDOMComponent = _dereq_("./ReactDOMComponent");
var ReactDefaultInjection = _dereq_("./ReactDefaultInjection");
var ReactInstanceHandles = _dereq_("./ReactInstanceHandles");
var ReactMount = _dereq_("./ReactMount");
var ReactMultiChild = _dereq_("./ReactMultiChild");
var ReactPerf = _dereq_("./ReactPerf");
var ReactPropTypes = _dereq_("./ReactPropTypes");
var ReactServerRendering = _dereq_("./ReactServerRendering");
var ReactTextComponent = _dereq_("./ReactTextComponent");
var onlyChild = _dereq_("./onlyChild");
ReactDefaultInjection.inject();
var React = {
Children: {
map: ReactChildren.map,
forEach: ReactChildren.forEach,
count: ReactChildren.count,
only: onlyChild
},
DOM: ReactDOM,
PropTypes: ReactPropTypes,
initializeTouchEvents: function(shouldUseTouch) {
EventPluginUtils.useTouchEvents = shouldUseTouch;
},
createClass: ReactCompositeComponent.createClass,
createDescriptor: function(type, props, children) {
var args = Array.prototype.slice.call(arguments, 1);
return type.apply(null, args);
},
constructAndRenderComponent: ReactMount.constructAndRenderComponent,
constructAndRenderComponentByID: ReactMount.constructAndRenderComponentByID,
renderComponent: ReactPerf.measure(
'React',
'renderComponent',
ReactMount.renderComponent
),
renderComponentToString: ReactServerRendering.renderComponentToString,
renderComponentToStaticMarkup:
ReactServerRendering.renderComponentToStaticMarkup,
unmountComponentAtNode: ReactMount.unmountComponentAtNode,
isValidClass: ReactDescriptor.isValidFactory,
isValidComponent: ReactDescriptor.isValidDescriptor,
withContext: ReactContext.withContext,
__internals: {
Component: ReactComponent,
CurrentOwner: ReactCurrentOwner,
DOMComponent: ReactDOMComponent,
DOMPropertyOperations: DOMPropertyOperations,
InstanceHandles: ReactInstanceHandles,
Mount: ReactMount,
MultiChild: ReactMultiChild,
TextComponent: ReactTextComponent
}
};
if ("production" !== "development") {
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
if (ExecutionEnvironment.canUseDOM &&
window.top === window.self &&
navigator.userAgent.indexOf('Chrome') > -1) {
console.debug(
'Download the React DevTools for a better development experience: ' +
'http://fb.me/react-devtools'
);
var expectedFeatures = [
// shims
Array.isArray,
Array.prototype.every,
Array.prototype.forEach,
Array.prototype.indexOf,
Array.prototype.map,
Date.now,
Function.prototype.bind,
Object.keys,
String.prototype.split,
String.prototype.trim,
// shams
Object.create,
Object.freeze
];
for (var i in expectedFeatures) {
if (!expectedFeatures[i]) {
console.error(
'One or more ES5 shim/shams expected by React are not available: ' +
'http://fb.me/react-warning-polyfills'
);
break;
}
}
}
}
// Version exists only in the open-source version of React, not in Facebook's
// internal version.
React.version = '0.11.0-rc1';
module.exports = React;
},{"./DOMPropertyOperations":11,"./EventPluginUtils":19,"./ExecutionEnvironment":21,"./ReactChildren":30,"./ReactComponent":31,"./ReactCompositeComponent":33,"./ReactContext":34,"./ReactCurrentOwner":35,"./ReactDOM":36,"./ReactDOMComponent":38,"./ReactDefaultInjection":48,"./ReactDescriptor":51,"./ReactInstanceHandles":59,"./ReactMount":61,"./ReactMultiChild":62,"./ReactPerf":65,"./ReactPropTypes":69,"./ReactServerRendering":73,"./ReactTextComponent":75,"./onlyChild":135}],28:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactBrowserComponentMixin
*/
"use strict";
var ReactEmptyComponent = _dereq_("./ReactEmptyComponent");
var ReactMount = _dereq_("./ReactMount");
var invariant = _dereq_("./invariant");
var ReactBrowserComponentMixin = {
/**
* Returns the DOM node rendered by this component.
*
* @return {DOMElement} The root node of this component.
* @final
* @protected
*/
getDOMNode: function() {
("production" !== "development" ? invariant(
this.isMounted(),
'getDOMNode(): A component must be mounted to have a DOM node.'
) : invariant(this.isMounted()));
if (ReactEmptyComponent.isNullComponentID(this._rootNodeID)) {
return null;
}
return ReactMount.getNode(this._rootNodeID);
}
};
module.exports = ReactBrowserComponentMixin;
},{"./ReactEmptyComponent":53,"./ReactMount":61,"./invariant":120}],29:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactBrowserEventEmitter
* @typechecks static-only
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPluginHub = _dereq_("./EventPluginHub");
var EventPluginRegistry = _dereq_("./EventPluginRegistry");
var ReactEventEmitterMixin = _dereq_("./ReactEventEmitterMixin");
var ViewportMetrics = _dereq_("./ViewportMetrics");
var isEventSupported = _dereq_("./isEventSupported");
var merge = _dereq_("./merge");
/**
* Summary of `ReactBrowserEventEmitter` event handling:
*
* - Top-level delegation is used to trap most native browser events. This
* may only occur in the main thread and is the responsibility of
* ReactEventListener, which is injected and can therefore support pluggable
* event sources. This is the only work that occurs in the main thread.
*
* - We normalize and de-duplicate events to account for browser quirks. This
* may be done in the worker thread.
*
* - Forward these native events (with the associated top-level type used to
* trap it) to `EventPluginHub`, which in turn will ask plugins if they want
* to extract any synthetic events.
*
* - The `EventPluginHub` will then process each event by annotating them with
* "dispatches", a sequence of listeners and IDs that care about that event.
*
* - The `EventPluginHub` then dispatches the events.
*
* Overview of React and the event system:
*
* +------------+ .
* | DOM | .
* +------------+ .
* | .
* v .
* +------------+ .
* | ReactEvent | .
* | Listener | .
* +------------+ . +-----------+
* | . +--------+|SimpleEvent|
* | . | |Plugin |
* +-----|------+ . v +-----------+
* | | | . +--------------+ +------------+
* | +-----------.--->|EventPluginHub| | Event |
* | | . | | +-----------+ | Propagators|
* | ReactEvent | . | | |TapEvent | |------------|
* | Emitter | . | |<---+|Plugin | |other plugin|
* | | . | | +-----------+ | utilities |
* | +-----------.--->| | +------------+
* | | | . +--------------+
* +-----|------+ . ^ +-----------+
* | . | |Enter/Leave|
* + . +-------+|Plugin |
* +-------------+ . +-----------+
* | application | .
* |-------------| .
* | | .
* | | .
* +-------------+ .
* .
* React Core . General Purpose Event Plugin System
*/
var alreadyListeningTo = {};
var isMonitoringScrollValue = false;
var reactTopListenersCounter = 0;
// For events like 'submit' which don't consistently bubble (which we trap at a
// lower node than `document`), binding at `document` would cause duplicate
// events so we don't include them here
var topEventMapping = {
topBlur: 'blur',
topChange: 'change',
topClick: 'click',
topCompositionEnd: 'compositionend',
topCompositionStart: 'compositionstart',
topCompositionUpdate: 'compositionupdate',
topContextMenu: 'contextmenu',
topCopy: 'copy',
topCut: 'cut',
topDoubleClick: 'dblclick',
topDrag: 'drag',
topDragEnd: 'dragend',
topDragEnter: 'dragenter',
topDragExit: 'dragexit',
topDragLeave: 'dragleave',
topDragOver: 'dragover',
topDragStart: 'dragstart',
topDrop: 'drop',
topFocus: 'focus',
topInput: 'input',
topKeyDown: 'keydown',
topKeyPress: 'keypress',
topKeyUp: 'keyup',
topMouseDown: 'mousedown',
topMouseMove: 'mousemove',
topMouseOut: 'mouseout',
topMouseOver: 'mouseover',
topMouseUp: 'mouseup',
topPaste: 'paste',
topScroll: 'scroll',
topSelectionChange: 'selectionchange',
topTextInput: 'textInput',
topTouchCancel: 'touchcancel',
topTouchEnd: 'touchend',
topTouchMove: 'touchmove',
topTouchStart: 'touchstart',
topWheel: 'wheel'
};
/**
* To ensure no conflicts with other potential React instances on the page
*/
var topListenersIDKey = "_reactListenersID" + String(Math.random()).slice(2);
function getListeningForDocument(mountAt) {
// In IE8, `mountAt` is a host object and doesn't have `hasOwnProperty`
// directly.
if (!Object.prototype.hasOwnProperty.call(mountAt, topListenersIDKey)) {
mountAt[topListenersIDKey] = reactTopListenersCounter++;
alreadyListeningTo[mountAt[topListenersIDKey]] = {};
}
return alreadyListeningTo[mountAt[topListenersIDKey]];
}
/**
* `ReactBrowserEventEmitter` is used to attach top-level event listeners. For
* example:
*
* ReactBrowserEventEmitter.putListener('myID', 'onClick', myFunction);
*
* This would allocate a "registration" of `('onClick', myFunction)` on 'myID'.
*
* @internal
*/
var ReactBrowserEventEmitter = merge(ReactEventEmitterMixin, {
/**
* Injectable event backend
*/
ReactEventListener: null,
injection: {
/**
* @param {object} ReactEventListener
*/
injectReactEventListener: function(ReactEventListener) {
ReactEventListener.setHandleTopLevel(
ReactBrowserEventEmitter.handleTopLevel
);
ReactBrowserEventEmitter.ReactEventListener = ReactEventListener;
}
},
/**
* Sets whether or not any created callbacks should be enabled.
*
* @param {boolean} enabled True if callbacks should be enabled.
*/
setEnabled: function(enabled) {
if (ReactBrowserEventEmitter.ReactEventListener) {
ReactBrowserEventEmitter.ReactEventListener.setEnabled(enabled);
}
},
/**
* @return {boolean} True if callbacks are enabled.
*/
isEnabled: function() {
return !!(
ReactBrowserEventEmitter.ReactEventListener &&
ReactBrowserEventEmitter.ReactEventListener.isEnabled()
);
},
/**
* We listen for bubbled touch events on the document object.
*
* Firefox v8.01 (and possibly others) exhibited strange behavior when
* mounting `onmousemove` events at some node that was not the document
* element. The symptoms were that if your mouse is not moving over something
* contained within that mount point (for example on the background) the
* top-level listeners for `onmousemove` won't be called. However, if you
* register the `mousemove` on the document object, then it will of course
* catch all `mousemove`s. This along with iOS quirks, justifies restricting
* top-level listeners to the document object only, at least for these
* movement types of events and possibly all events.
*
* @see http://www.quirksmode.org/blog/archives/2010/09/click_event_del.html
*
* Also, `keyup`/`keypress`/`keydown` do not bubble to the window on IE, but
* they bubble to document.
*
* @param {string} registrationName Name of listener (e.g. `onClick`).
* @param {object} contentDocumentHandle Document which owns the container
*/
listenTo: function(registrationName, contentDocumentHandle) {
var mountAt = contentDocumentHandle;
var isListening = getListeningForDocument(mountAt);
var dependencies = EventPluginRegistry.
registrationNameDependencies[registrationName];
var topLevelTypes = EventConstants.topLevelTypes;
for (var i = 0, l = dependencies.length; i < l; i++) {
var dependency = dependencies[i];
if (!(
isListening.hasOwnProperty(dependency) &&
isListening[dependency]
)) {
if (dependency === topLevelTypes.topWheel) {
if (isEventSupported('wheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
topLevelTypes.topWheel,
'wheel',
mountAt
);
} else if (isEventSupported('mousewheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
topLevelTypes.topWheel,
'mousewheel',
mountAt
);
} else {
// Firefox needs to capture a different mouse scroll event.
// @see http://www.quirksmode.org/dom/events/tests/scroll.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
topLevelTypes.topWheel,
'DOMMouseScroll',
mountAt
);
}
} else if (dependency === topLevelTypes.topScroll) {
if (isEventSupported('scroll', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent(
topLevelTypes.topScroll,
'scroll',
mountAt
);
} else {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
topLevelTypes.topScroll,
'scroll',
ReactBrowserEventEmitter.ReactEventListener.WINDOW_HANDLE
);
}
} else if (dependency === topLevelTypes.topFocus ||
dependency === topLevelTypes.topBlur) {
if (isEventSupported('focus', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent(
topLevelTypes.topFocus,
'focus',
mountAt
);
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent(
topLevelTypes.topBlur,
'blur',
mountAt
);
} else if (isEventSupported('focusin')) {
// IE has `focusin` and `focusout` events which bubble.
// @see http://www.quirksmode.org/blog/archives/2008/04/delegating_the.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
topLevelTypes.topFocus,
'focusin',
mountAt
);
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
topLevelTypes.topBlur,
'focusout',
mountAt
);
}
// to make sure blur and focus event listeners are only attached once
isListening[topLevelTypes.topBlur] = true;
isListening[topLevelTypes.topFocus] = true;
} else if (topEventMapping.hasOwnProperty(dependency)) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
dependency,
topEventMapping[dependency],
mountAt
);
}
isListening[dependency] = true;
}
}
},
trapBubbledEvent: function(topLevelType, handlerBaseName, handle) {
return ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
topLevelType,
handlerBaseName,
handle
);
},
trapCapturedEvent: function(topLevelType, handlerBaseName, handle) {
return ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent(
topLevelType,
handlerBaseName,
handle
);
},
/**
* Listens to window scroll and resize events. We cache scroll values so that
* application code can access them without triggering reflows.
*
* NOTE: Scroll events do not bubble.
*
* @see http://www.quirksmode.org/dom/events/scroll.html
*/
ensureScrollValueMonitoring: function(){
if (!isMonitoringScrollValue) {
var refresh = ViewportMetrics.refreshScrollValues;
ReactBrowserEventEmitter.ReactEventListener.monitorScrollValue(refresh);
isMonitoringScrollValue = true;
}
},
eventNameDispatchConfigs: EventPluginHub.eventNameDispatchConfigs,
registrationNameModules: EventPluginHub.registrationNameModules,
putListener: EventPluginHub.putListener,
getListener: EventPluginHub.getListener,
deleteListener: EventPluginHub.deleteListener,
deleteAllListeners: EventPluginHub.deleteAllListeners
});
module.exports = ReactBrowserEventEmitter;
},{"./EventConstants":15,"./EventPluginHub":17,"./EventPluginRegistry":18,"./ReactEventEmitterMixin":55,"./ViewportMetrics":93,"./isEventSupported":121,"./merge":130}],30:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactChildren
*/
"use strict";
var PooledClass = _dereq_("./PooledClass");
var traverseAllChildren = _dereq_("./traverseAllChildren");
var warning = _dereq_("./warning");
var twoArgumentPooler = PooledClass.twoArgumentPooler;
var threeArgumentPooler = PooledClass.threeArgumentPooler;
/**
* PooledClass representing the bookkeeping associated with performing a child
* traversal. Allows avoiding binding callbacks.
*
* @constructor ForEachBookKeeping
* @param {!function} forEachFunction Function to perform traversal with.
* @param {?*} forEachContext Context to perform context with.
*/
function ForEachBookKeeping(forEachFunction, forEachContext) {
this.forEachFunction = forEachFunction;
this.forEachContext = forEachContext;
}
PooledClass.addPoolingTo(ForEachBookKeeping, twoArgumentPooler);
function forEachSingleChild(traverseContext, child, name, i) {
var forEachBookKeeping = traverseContext;
forEachBookKeeping.forEachFunction.call(
forEachBookKeeping.forEachContext, child, i);
}
/**
* Iterates through children that are typically specified as `props.children`.
*
* The provided forEachFunc(child, index) will be called for each
* leaf child.
*
* @param {?*} children Children tree container.
* @param {function(*, int)} forEachFunc.
* @param {*} forEachContext Context for forEachContext.
*/
function forEachChildren(children, forEachFunc, forEachContext) {
if (children == null) {
return children;
}
var traverseContext =
ForEachBookKeeping.getPooled(forEachFunc, forEachContext);
traverseAllChildren(children, forEachSingleChild, traverseContext);
ForEachBookKeeping.release(traverseContext);
}
/**
* PooledClass representing the bookkeeping associated with performing a child
* mapping. Allows avoiding binding callbacks.
*
* @constructor MapBookKeeping
* @param {!*} mapResult Object containing the ordered map of results.
* @param {!function} mapFunction Function to perform mapping with.
* @param {?*} mapContext Context to perform mapping with.
*/
function MapBookKeeping(mapResult, mapFunction, mapContext) {
this.mapResult = mapResult;
this.mapFunction = mapFunction;
this.mapContext = mapContext;
}
PooledClass.addPoolingTo(MapBookKeeping, threeArgumentPooler);
function mapSingleChildIntoContext(traverseContext, child, name, i) {
var mapBookKeeping = traverseContext;
var mapResult = mapBookKeeping.mapResult;
var keyUnique = !mapResult.hasOwnProperty(name);
("production" !== "development" ? warning(
keyUnique,
'ReactChildren.map(...): Encountered two children with the same key, ' +
'`%s`. Child keys must be unique; when two children share a key, only ' +
'the first child will be used.',
name
) : null);
if (keyUnique) {
var mappedChild =
mapBookKeeping.mapFunction.call(mapBookKeeping.mapContext, child, i);
mapResult[name] = mappedChild;
}
}
/**
* Maps children that are typically specified as `props.children`.
*
* The provided mapFunction(child, key, index) will be called for each
* leaf child.
*
* TODO: This may likely break any calls to `ReactChildren.map` that were
* previously relying on the fact that we guarded against null children.
*
* @param {?*} children Children tree container.
* @param {function(*, int)} mapFunction.
* @param {*} mapContext Context for mapFunction.
* @return {object} Object containing the ordered map of results.
*/
function mapChildren(children, func, context) {
if (children == null) {
return children;
}
var mapResult = {};
var traverseContext = MapBookKeeping.getPooled(mapResult, func, context);
traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);
MapBookKeeping.release(traverseContext);
return mapResult;
}
function forEachSingleChildDummy(traverseContext, child, name, i) {
return null;
}
/**
* Count the number of children that are typically specified as
* `props.children`.
*
* @param {?*} children Children tree container.
* @return {number} The number of children.
*/
function countChildren(children, context) {
return traverseAllChildren(children, forEachSingleChildDummy, null);
}
var ReactChildren = {
forEach: forEachChildren,
map: mapChildren,
count: countChildren
};
module.exports = ReactChildren;
},{"./PooledClass":26,"./traverseAllChildren":142,"./warning":143}],31:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactComponent
*/
"use strict";
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactOwner = _dereq_("./ReactOwner");
var ReactUpdates = _dereq_("./ReactUpdates");
var invariant = _dereq_("./invariant");
var keyMirror = _dereq_("./keyMirror");
var merge = _dereq_("./merge");
/**
* Every React component is in one of these life cycles.
*/
var ComponentLifeCycle = keyMirror({
/**
* Mounted components have a DOM node representation and are capable of
* receiving new props.
*/
MOUNTED: null,
/**
* Unmounted components are inactive and cannot receive new props.
*/
UNMOUNTED: null
});
var injected = false;
/**
* Optionally injectable environment dependent cleanup hook. (server vs.
* browser etc). Example: A browser system caches DOM nodes based on component
* ID and must remove that cache entry when this instance is unmounted.
*
* @private
*/
var unmountIDFromEnvironment = null;
/**
* The "image" of a component tree, is the platform specific (typically
* serialized) data that represents a tree of lower level UI building blocks.
* On the web, this "image" is HTML markup which describes a construction of
* low level `div` and `span` nodes. Other platforms may have different
* encoding of this "image". This must be injected.
*
* @private
*/
var mountImageIntoNode = null;
/**
* Components are the basic units of composition in React.
*
* Every component accepts a set of keyed input parameters known as "props" that
* are initialized by the constructor. Once a component is mounted, the props
* can be mutated using `setProps` or `replaceProps`.
*
* Every component is capable of the following operations:
*
* `mountComponent`
* Initializes the component, renders markup, and registers event listeners.
*
* `receiveComponent`
* Updates the rendered DOM nodes to match the given component.
*
* `unmountComponent`
* Releases any resources allocated by this component.
*
* Components can also be "owned" by other components. Being owned by another
* component means being constructed by that component. This is different from
* being the child of a component, which means having a DOM representation that
* is a child of the DOM representation of that component.
*
* @class ReactComponent
*/
var ReactComponent = {
injection: {
injectEnvironment: function(ReactComponentEnvironment) {
("production" !== "development" ? invariant(
!injected,
'ReactComponent: injectEnvironment() can only be called once.'
) : invariant(!injected));
mountImageIntoNode = ReactComponentEnvironment.mountImageIntoNode;
unmountIDFromEnvironment =
ReactComponentEnvironment.unmountIDFromEnvironment;
ReactComponent.BackendIDOperations =
ReactComponentEnvironment.BackendIDOperations;
injected = true;
}
},
/**
* @internal
*/
LifeCycle: ComponentLifeCycle,
/**
* Injected module that provides ability to mutate individual properties.
* Injected into the base class because many different subclasses need access
* to this.
*
* @internal
*/
BackendIDOperations: null,
/**
* Base functionality for every ReactComponent constructor. Mixed into the
* `ReactComponent` prototype, but exposed statically for easy access.
*
* @lends {ReactComponent.prototype}
*/
Mixin: {
/**
* Checks whether or not this component is mounted.
*
* @return {boolean} True if mounted, false otherwise.
* @final
* @protected
*/
isMounted: function() {
return this._lifeCycleState === ComponentLifeCycle.MOUNTED;
},
/**
* Sets a subset of the props.
*
* @param {object} partialProps Subset of the next props.
* @param {?function} callback Called after props are updated.
* @final
* @public
*/
setProps: function(partialProps, callback) {
// Merge with the pending descriptor if it exists, otherwise with existing
// descriptor props.
var descriptor = this._pendingDescriptor || this._descriptor;
this.replaceProps(
merge(descriptor.props, partialProps),
callback
);
},
/**
* Replaces all of the props.
*
* @param {object} props New props.
* @param {?function} callback Called after props are updated.
* @final
* @public
*/
replaceProps: function(props, callback) {
("production" !== "development" ? invariant(
this.isMounted(),
'replaceProps(...): Can only update a mounted component.'
) : invariant(this.isMounted()));
("production" !== "development" ? invariant(
this._mountDepth === 0,
'replaceProps(...): You called `setProps` or `replaceProps` on a ' +
'component with a parent. This is an anti-pattern since props will ' +
'get reactively updated when rendered. Instead, change the owner\'s ' +
'`render` method to pass the correct value as props to the component ' +
'where it is created.'
) : invariant(this._mountDepth === 0));
// This is a deoptimized path. We optimize for always having a descriptor.
// This creates an extra internal descriptor.
this._pendingDescriptor = ReactDescriptor.cloneAndReplaceProps(
this._pendingDescriptor || this._descriptor,
props
);
ReactUpdates.enqueueUpdate(this, callback);
},
/**
* Schedule a partial update to the props. Only used for internal testing.
*
* @param {object} partialProps Subset of the next props.
* @param {?function} callback Called after props are updated.
* @final
* @internal
*/
_setPropsInternal: function(partialProps, callback) {
// This is a deoptimized path. We optimize for always having a descriptor.
// This creates an extra internal descriptor.
var descriptor = this._pendingDescriptor || this._descriptor;
this._pendingDescriptor = ReactDescriptor.cloneAndReplaceProps(
descriptor,
merge(descriptor.props, partialProps)
);
ReactUpdates.enqueueUpdate(this, callback);
},
/**
* Base constructor for all React components.
*
* Subclasses that override this method should make sure to invoke
* `ReactComponent.Mixin.construct.call(this, ...)`.
*
* @param {ReactDescriptor} descriptor
* @internal
*/
construct: function(descriptor) {
// This is the public exposed props object after it has been processed
// with default props. The descriptor's props represents the true internal
// state of the props.
this.props = descriptor.props;
// Record the component responsible for creating this component.
// This is accessible through the descriptor but we maintain an extra
// field for compatibility with devtools and as a way to make an
// incremental update. TODO: Consider deprecating this field.
this._owner = descriptor._owner;
// All components start unmounted.
this._lifeCycleState = ComponentLifeCycle.UNMOUNTED;
// See ReactUpdates.
this._pendingCallbacks = null;
// We keep the old descriptor and a reference to the pending descriptor
// to track updates.
this._descriptor = descriptor;
this._pendingDescriptor = null;
},
/**
* Initializes the component, renders markup, and registers event listeners.
*
* NOTE: This does not insert any nodes into the DOM.
*
* Subclasses that override this method should make sure to invoke
* `ReactComponent.Mixin.mountComponent.call(this, ...)`.
*
* @param {string} rootID DOM ID of the root node.
* @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction
* @param {number} mountDepth number of components in the owner hierarchy.
* @return {?string} Rendered markup to be inserted into the DOM.
* @internal
*/
mountComponent: function(rootID, transaction, mountDepth) {
("production" !== "development" ? invariant(
!this.isMounted(),
'mountComponent(%s, ...): Can only mount an unmounted component. ' +
'Make sure to avoid storing components between renders or reusing a ' +
'single component instance in multiple places.',
rootID
) : invariant(!this.isMounted()));
var props = this._descriptor.props;
if (props.ref != null) {
var owner = this._descriptor._owner;
ReactOwner.addComponentAsRefTo(this, props.ref, owner);
}
this._rootNodeID = rootID;
this._lifeCycleState = ComponentLifeCycle.MOUNTED;
this._mountDepth = mountDepth;
// Effectively: return '';
},
/**
* Releases any resources allocated by `mountComponent`.
*
* NOTE: This does not remove any nodes from the DOM.
*
* Subclasses that override this method should make sure to invoke
* `ReactComponent.Mixin.unmountComponent.call(this)`.
*
* @internal
*/
unmountComponent: function() {
("production" !== "development" ? invariant(
this.isMounted(),
'unmountComponent(): Can only unmount a mounted component.'
) : invariant(this.isMounted()));
var props = this.props;
if (props.ref != null) {
ReactOwner.removeComponentAsRefFrom(this, props.ref, this._owner);
}
unmountIDFromEnvironment(this._rootNodeID);
this._rootNodeID = null;
this._lifeCycleState = ComponentLifeCycle.UNMOUNTED;
},
/**
* Given a new instance of this component, updates the rendered DOM nodes
* as if that instance was rendered instead.
*
* Subclasses that override this method should make sure to invoke
* `ReactComponent.Mixin.receiveComponent.call(this, ...)`.
*
* @param {object} nextComponent Next set of properties.
* @param {ReactReconcileTransaction} transaction
* @internal
*/
receiveComponent: function(nextDescriptor, transaction) {
("production" !== "development" ? invariant(
this.isMounted(),
'receiveComponent(...): Can only update a mounted component.'
) : invariant(this.isMounted()));
this._pendingDescriptor = nextDescriptor;
this.performUpdateIfNecessary(transaction);
},
/**
* If `_pendingDescriptor` is set, update the component.
*
* @param {ReactReconcileTransaction} transaction
* @internal
*/
performUpdateIfNecessary: function(transaction) {
if (this._pendingDescriptor == null) {
return;
}
var prevDescriptor = this._descriptor;
var nextDescriptor = this._pendingDescriptor;
this._descriptor = nextDescriptor;
this.props = nextDescriptor.props;
this._owner = nextDescriptor._owner;
this._pendingDescriptor = null;
this.updateComponent(transaction, prevDescriptor);
},
/**
* Updates the component's currently mounted representation.
*
* @param {ReactReconcileTransaction} transaction
* @param {object} prevDescriptor
* @internal
*/
updateComponent: function(transaction, prevDescriptor) {
var nextDescriptor = this._descriptor;
// If either the owner or a `ref` has changed, make sure the newest owner
// has stored a reference to `this`, and the previous owner (if different)
// has forgotten the reference to `this`. We use the descriptor instead
// of the public this.props because the post processing cannot determine
// a ref. The ref conceptually lives on the descriptor.
// TODO: Should this even be possible? The owner cannot change because
// it's forbidden by shouldUpdateReactComponent. The ref can change
// if you swap the keys of but not the refs. Reconsider where this check
// is made. It probably belongs where the key checking and
// instantiateReactComponent is done.
if (nextDescriptor._owner !== prevDescriptor._owner ||
nextDescriptor.props.ref !== prevDescriptor.props.ref) {
if (prevDescriptor.props.ref != null) {
ReactOwner.removeComponentAsRefFrom(
this, prevDescriptor.props.ref, prevDescriptor._owner
);
}
// Correct, even if the owner is the same, and only the ref has changed.
if (nextDescriptor.props.ref != null) {
ReactOwner.addComponentAsRefTo(
this,
nextDescriptor.props.ref,
nextDescriptor._owner
);
}
}
},
/**
* Mounts this component and inserts it into the DOM.
*
* @param {string} rootID DOM ID of the root node.
* @param {DOMElement} container DOM element to mount into.
* @param {boolean} shouldReuseMarkup If true, do not insert markup
* @final
* @internal
* @see {ReactMount.renderComponent}
*/
mountComponentIntoNode: function(rootID, container, shouldReuseMarkup) {
var transaction = ReactUpdates.ReactReconcileTransaction.getPooled();
transaction.perform(
this._mountComponentIntoNode,
this,
rootID,
container,
transaction,
shouldReuseMarkup
);
ReactUpdates.ReactReconcileTransaction.release(transaction);
},
/**
* @param {string} rootID DOM ID of the root node.
* @param {DOMElement} container DOM element to mount into.
* @param {ReactReconcileTransaction} transaction
* @param {boolean} shouldReuseMarkup If true, do not insert markup
* @final
* @private
*/
_mountComponentIntoNode: function(
rootID,
container,
transaction,
shouldReuseMarkup) {
var markup = this.mountComponent(rootID, transaction, 0);
mountImageIntoNode(markup, container, shouldReuseMarkup);
},
/**
* Checks if this component is owned by the supplied `owner` component.
*
* @param {ReactComponent} owner Component to check.
* @return {boolean} True if `owners` owns this component.
* @final
* @internal
*/
isOwnedBy: function(owner) {
return this._owner === owner;
},
/**
* Gets another component, that shares the same owner as this one, by ref.
*
* @param {string} ref of a sibling Component.
* @return {?ReactComponent} the actual sibling Component.
* @final
* @internal
*/
getSiblingByRef: function(ref) {
var owner = this._owner;
if (!owner || !owner.refs) {
return null;
}
return owner.refs[ref];
}
}
};
module.exports = ReactComponent;
},{"./ReactDescriptor":51,"./ReactOwner":64,"./ReactUpdates":76,"./invariant":120,"./keyMirror":126,"./merge":130}],32:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactComponentBrowserEnvironment
*/
/*jslint evil: true */
"use strict";
var ReactDOMIDOperations = _dereq_("./ReactDOMIDOperations");
var ReactMarkupChecksum = _dereq_("./ReactMarkupChecksum");
var ReactMount = _dereq_("./ReactMount");
var ReactPerf = _dereq_("./ReactPerf");
var ReactReconcileTransaction = _dereq_("./ReactReconcileTransaction");
var getReactRootElementInContainer = _dereq_("./getReactRootElementInContainer");
var invariant = _dereq_("./invariant");
var setInnerHTML = _dereq_("./setInnerHTML");
var ELEMENT_NODE_TYPE = 1;
var DOC_NODE_TYPE = 9;
/**
* Abstracts away all functionality of `ReactComponent` requires knowledge of
* the browser context.
*/
var ReactComponentBrowserEnvironment = {
ReactReconcileTransaction: ReactReconcileTransaction,
BackendIDOperations: ReactDOMIDOperations,
/**
* If a particular environment requires that some resources be cleaned up,
* specify this in the injected Mixin. In the DOM, we would likely want to
* purge any cached node ID lookups.
*
* @private
*/
unmountIDFromEnvironment: function(rootNodeID) {
ReactMount.purgeID(rootNodeID);
},
/**
* @param {string} markup Markup string to place into the DOM Element.
* @param {DOMElement} container DOM Element to insert markup into.
* @param {boolean} shouldReuseMarkup Should reuse the existing markup in the
* container if possible.
*/
mountImageIntoNode: ReactPerf.measure(
'ReactComponentBrowserEnvironment',
'mountImageIntoNode',
function(markup, container, shouldReuseMarkup) {
("production" !== "development" ? invariant(
container && (
container.nodeType === ELEMENT_NODE_TYPE ||
container.nodeType === DOC_NODE_TYPE
),
'mountComponentIntoNode(...): Target container is not valid.'
) : invariant(container && (
container.nodeType === ELEMENT_NODE_TYPE ||
container.nodeType === DOC_NODE_TYPE
)));
if (shouldReuseMarkup) {
if (ReactMarkupChecksum.canReuseMarkup(
markup,
getReactRootElementInContainer(container))) {
return;
} else {
("production" !== "development" ? invariant(
container.nodeType !== DOC_NODE_TYPE,
'You\'re trying to render a component to the document using ' +
'server rendering but the checksum was invalid. This usually ' +
'means you rendered a different component type or props on ' +
'the client from the one on the server, or your render() ' +
'methods are impure. React cannot handle this case due to ' +
'cross-browser quirks by rendering at the document root. You ' +
'should look for environment dependent code in your components ' +
'and ensure the props are the same client and server side.'
) : invariant(container.nodeType !== DOC_NODE_TYPE));
if ("production" !== "development") {
console.warn(
'React attempted to use reuse markup in a container but the ' +
'checksum was invalid. This generally means that you are ' +
'using server rendering and the markup generated on the ' +
'server was not what the client was expecting. React injected ' +
'new markup to compensate which works but you have lost many ' +
'of the benefits of server rendering. Instead, figure out ' +
'why the markup being generated is different on the client ' +
'or server.'
);
}
}
}
("production" !== "development" ? invariant(
container.nodeType !== DOC_NODE_TYPE,
'You\'re trying to render a component to the document but ' +
'you didn\'t use server rendering. We can\'t do this ' +
'without using server rendering due to cross-browser quirks. ' +
'See renderComponentToString() for server rendering.'
) : invariant(container.nodeType !== DOC_NODE_TYPE));
setInnerHTML(container, markup);
}
)
};
module.exports = ReactComponentBrowserEnvironment;
},{"./ReactDOMIDOperations":40,"./ReactMarkupChecksum":60,"./ReactMount":61,"./ReactPerf":65,"./ReactReconcileTransaction":71,"./getReactRootElementInContainer":114,"./invariant":120,"./setInnerHTML":138}],33:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactCompositeComponent
*/
"use strict";
var ReactComponent = _dereq_("./ReactComponent");
var ReactContext = _dereq_("./ReactContext");
var ReactCurrentOwner = _dereq_("./ReactCurrentOwner");
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactDescriptorValidator = _dereq_("./ReactDescriptorValidator");
var ReactEmptyComponent = _dereq_("./ReactEmptyComponent");
var ReactErrorUtils = _dereq_("./ReactErrorUtils");
var ReactOwner = _dereq_("./ReactOwner");
var ReactPerf = _dereq_("./ReactPerf");
var ReactPropTransferer = _dereq_("./ReactPropTransferer");
var ReactPropTypeLocations = _dereq_("./ReactPropTypeLocations");
var ReactPropTypeLocationNames = _dereq_("./ReactPropTypeLocationNames");
var ReactUpdates = _dereq_("./ReactUpdates");
var instantiateReactComponent = _dereq_("./instantiateReactComponent");
var invariant = _dereq_("./invariant");
var keyMirror = _dereq_("./keyMirror");
var merge = _dereq_("./merge");
var mixInto = _dereq_("./mixInto");
var monitorCodeUse = _dereq_("./monitorCodeUse");
var mapObject = _dereq_("./mapObject");
var shouldUpdateReactComponent = _dereq_("./shouldUpdateReactComponent");
var warning = _dereq_("./warning");
/**
* Policies that describe methods in `ReactCompositeComponentInterface`.
*/
var SpecPolicy = keyMirror({
/**
* These methods may be defined only once by the class specification or mixin.
*/
DEFINE_ONCE: null,
/**
* These methods may be defined by both the class specification and mixins.
* Subsequent definitions will be chained. These methods must return void.
*/
DEFINE_MANY: null,
/**
* These methods are overriding the base ReactCompositeComponent class.
*/
OVERRIDE_BASE: null,
/**
* These methods are similar to DEFINE_MANY, except we assume they return
* objects. We try to merge the keys of the return values of all the mixed in
* functions. If there is a key conflict we throw.
*/
DEFINE_MANY_MERGED: null
});
var injectedMixins = [];
/**
* Composite components are higher-level components that compose other composite
* or native components.
*
* To create a new type of `ReactCompositeComponent`, pass a specification of
* your new class to `React.createClass`. The only requirement of your class
* specification is that you implement a `render` method.
*
* var MyComponent = React.createClass({
* render: function() {
* return <div>Hello World</div>;
* }
* });
*
* The class specification supports a specific protocol of methods that have
* special meaning (e.g. `render`). See `ReactCompositeComponentInterface` for
* more the comprehensive protocol. Any other properties and methods in the
* class specification will available on the prototype.
*
* @interface ReactCompositeComponentInterface
* @internal
*/
var ReactCompositeComponentInterface = {
/**
* An array of Mixin objects to include when defining your component.
*
* @type {array}
* @optional
*/
mixins: SpecPolicy.DEFINE_MANY,
/**
* An object containing properties and methods that should be defined on
* the component's constructor instead of its prototype (static methods).
*
* @type {object}
* @optional
*/
statics: SpecPolicy.DEFINE_MANY,
/**
* Definition of prop types for this component.
*
* @type {object}
* @optional
*/
propTypes: SpecPolicy.DEFINE_MANY,
/**
* Definition of context types for this component.
*
* @type {object}
* @optional
*/
contextTypes: SpecPolicy.DEFINE_MANY,
/**
* Definition of context types this component sets for its children.
*
* @type {object}
* @optional
*/
childContextTypes: SpecPolicy.DEFINE_MANY,
// ==== Definition methods ====
/**
* Invoked when the component is mounted. Values in the mapping will be set on
* `this.props` if that prop is not specified (i.e. using an `in` check).
*
* This method is invoked before `getInitialState` and therefore cannot rely
* on `this.state` or use `this.setState`.
*
* @return {object}
* @optional
*/
getDefaultProps: SpecPolicy.DEFINE_MANY_MERGED,
/**
* Invoked once before the component is mounted. The return value will be used
* as the initial value of `this.state`.
*
* getInitialState: function() {
* return {
* isOn: false,
* fooBaz: new BazFoo()
* }
* }
*
* @return {object}
* @optional
*/
getInitialState: SpecPolicy.DEFINE_MANY_MERGED,
/**
* @return {object}
* @optional
*/
getChildContext: SpecPolicy.DEFINE_MANY_MERGED,
/**
* Uses props from `this.props` and state from `this.state` to render the
* structure of the component.
*
* No guarantees are made about when or how often this method is invoked, so
* it must not have side effects.
*
* render: function() {
* var name = this.props.name;
* return <div>Hello, {name}!</div>;
* }
*
* @return {ReactComponent}
* @nosideeffects
* @required
*/
render: SpecPolicy.DEFINE_ONCE,
// ==== Delegate methods ====
/**
* Invoked when the component is initially created and about to be mounted.
* This may have side effects, but any external subscriptions or data created
* by this method must be cleaned up in `componentWillUnmount`.
*
* @optional
*/
componentWillMount: SpecPolicy.DEFINE_MANY,
/**
* Invoked when the component has been mounted and has a DOM representation.
* However, there is no guarantee that the DOM node is in the document.
*
* Use this as an opportunity to operate on the DOM when the component has
* been mounted (initialized and rendered) for the first time.
*
* @param {DOMElement} rootNode DOM element representing the component.
* @optional
*/
componentDidMount: SpecPolicy.DEFINE_MANY,
/**
* Invoked before the component receives new props.
*
* Use this as an opportunity to react to a prop transition by updating the
* state using `this.setState`. Current props are accessed via `this.props`.
*
* componentWillReceiveProps: function(nextProps, nextContext) {
* this.setState({
* likesIncreasing: nextProps.likeCount > this.props.likeCount
* });
* }
*
* NOTE: There is no equivalent `componentWillReceiveState`. An incoming prop
* transition may cause a state change, but the opposite is not true. If you
* need it, you are probably looking for `componentWillUpdate`.
*
* @param {object} nextProps
* @optional
*/
componentWillReceiveProps: SpecPolicy.DEFINE_MANY,
/**
* Invoked while deciding if the component should be updated as a result of
* receiving new props, state and/or context.
*
* Use this as an opportunity to `return false` when you're certain that the
* transition to the new props/state/context will not require a component
* update.
*
* shouldComponentUpdate: function(nextProps, nextState, nextContext) {
* return !equal(nextProps, this.props) ||
* !equal(nextState, this.state) ||
* !equal(nextContext, this.context);
* }
*
* @param {object} nextProps
* @param {?object} nextState
* @param {?object} nextContext
* @return {boolean} True if the component should update.
* @optional
*/
shouldComponentUpdate: SpecPolicy.DEFINE_ONCE,
/**
* Invoked when the component is about to update due to a transition from
* `this.props`, `this.state` and `this.context` to `nextProps`, `nextState`
* and `nextContext`.
*
* Use this as an opportunity to perform preparation before an update occurs.
*
* NOTE: You **cannot** use `this.setState()` in this method.
*
* @param {object} nextProps
* @param {?object} nextState
* @param {?object} nextContext
* @param {ReactReconcileTransaction} transaction
* @optional
*/
componentWillUpdate: SpecPolicy.DEFINE_MANY,
/**
* Invoked when the component's DOM representation has been updated.
*
* Use this as an opportunity to operate on the DOM when the component has
* been updated.
*
* @param {object} prevProps
* @param {?object} prevState
* @param {?object} prevContext
* @param {DOMElement} rootNode DOM element representing the component.
* @optional
*/
componentDidUpdate: SpecPolicy.DEFINE_MANY,
/**
* Invoked when the component is about to be removed from its parent and have
* its DOM representation destroyed.
*
* Use this as an opportunity to deallocate any external resources.
*
* NOTE: There is no `componentDidUnmount` since your component will have been
* destroyed by that point.
*
* @optional
*/
componentWillUnmount: SpecPolicy.DEFINE_MANY,
// ==== Advanced methods ====
/**
* Updates the component's currently mounted DOM representation.
*
* By default, this implements React's rendering and reconciliation algorithm.
* Sophisticated clients may wish to override this.
*
* @param {ReactReconcileTransaction} transaction
* @internal
* @overridable
*/
updateComponent: SpecPolicy.OVERRIDE_BASE
};
/**
* Mapping from class specification keys to special processing functions.
*
* Although these are declared like instance properties in the specification
* when defining classes using `React.createClass`, they are actually static
* and are accessible on the constructor instead of the prototype. Despite
* being static, they must be defined outside of the "statics" key under
* which all other static methods are defined.
*/
var RESERVED_SPEC_KEYS = {
displayName: function(Constructor, displayName) {
Constructor.displayName = displayName;
},
mixins: function(Constructor, mixins) {
if (mixins) {
for (var i = 0; i < mixins.length; i++) {
mixSpecIntoComponent(Constructor, mixins[i]);
}
}
},
childContextTypes: function(Constructor, childContextTypes) {
validateTypeDef(
Constructor,
childContextTypes,
ReactPropTypeLocations.childContext
);
Constructor.childContextTypes = merge(
Constructor.childContextTypes,
childContextTypes
);
},
contextTypes: function(Constructor, contextTypes) {
validateTypeDef(
Constructor,
contextTypes,
ReactPropTypeLocations.context
);
Constructor.contextTypes = merge(Constructor.contextTypes, contextTypes);
},
/**
* Special case getDefaultProps which should move into statics but requires
* automatic merging.
*/
getDefaultProps: function(Constructor, getDefaultProps) {
if (Constructor.getDefaultProps) {
Constructor.getDefaultProps = createMergedResultFunction(
Constructor.getDefaultProps,
getDefaultProps
);
} else {
Constructor.getDefaultProps = getDefaultProps;
}
},
propTypes: function(Constructor, propTypes) {
validateTypeDef(
Constructor,
propTypes,
ReactPropTypeLocations.prop
);
Constructor.propTypes = merge(Constructor.propTypes, propTypes);
},
statics: function(Constructor, statics) {
mixStaticSpecIntoComponent(Constructor, statics);
}
};
function getDeclarationErrorAddendum(component) {
var owner = component._owner || null;
if (owner && owner.constructor && owner.constructor.displayName) {
return ' Check the render method of `' + owner.constructor.displayName +
'`.';
}
return '';
}
function validateTypeDef(Constructor, typeDef, location) {
for (var propName in typeDef) {
if (typeDef.hasOwnProperty(propName)) {
("production" !== "development" ? invariant(
typeof typeDef[propName] == 'function',
'%s: %s type `%s` is invalid; it must be a function, usually from ' +
'React.PropTypes.',
Constructor.displayName || 'ReactCompositeComponent',
ReactPropTypeLocationNames[location],
propName
) : invariant(typeof typeDef[propName] == 'function'));
}
}
}
function validateMethodOverride(proto, name) {
var specPolicy = ReactCompositeComponentInterface.hasOwnProperty(name) ?
ReactCompositeComponentInterface[name] :
null;
// Disallow overriding of base class methods unless explicitly allowed.
if (ReactCompositeComponentMixin.hasOwnProperty(name)) {
("production" !== "development" ? invariant(
specPolicy === SpecPolicy.OVERRIDE_BASE,
'ReactCompositeComponentInterface: You are attempting to override ' +
'`%s` from your class specification. Ensure that your method names ' +
'do not overlap with React methods.',
name
) : invariant(specPolicy === SpecPolicy.OVERRIDE_BASE));
}
// Disallow defining methods more than once unless explicitly allowed.
if (proto.hasOwnProperty(name)) {
("production" !== "development" ? invariant(
specPolicy === SpecPolicy.DEFINE_MANY ||
specPolicy === SpecPolicy.DEFINE_MANY_MERGED,
'ReactCompositeComponentInterface: You are attempting to define ' +
'`%s` on your component more than once. This conflict may be due ' +
'to a mixin.',
name
) : invariant(specPolicy === SpecPolicy.DEFINE_MANY ||
specPolicy === SpecPolicy.DEFINE_MANY_MERGED));
}
}
function validateLifeCycleOnReplaceState(instance) {
var compositeLifeCycleState = instance._compositeLifeCycleState;
("production" !== "development" ? invariant(
instance.isMounted() ||
compositeLifeCycleState === CompositeLifeCycle.MOUNTING,
'replaceState(...): Can only update a mounted or mounting component.'
) : invariant(instance.isMounted() ||
compositeLifeCycleState === CompositeLifeCycle.MOUNTING));
("production" !== "development" ? invariant(compositeLifeCycleState !== CompositeLifeCycle.RECEIVING_STATE,
'replaceState(...): Cannot update during an existing state transition ' +
'(such as within `render`). This could potentially cause an infinite ' +
'loop so it is forbidden.'
) : invariant(compositeLifeCycleState !== CompositeLifeCycle.RECEIVING_STATE));
("production" !== "development" ? invariant(compositeLifeCycleState !== CompositeLifeCycle.UNMOUNTING,
'replaceState(...): Cannot update while unmounting component. This ' +
'usually means you called setState() on an unmounted component.'
) : invariant(compositeLifeCycleState !== CompositeLifeCycle.UNMOUNTING));
}
/**
* Custom version of `mixInto` which handles policy validation and reserved
* specification keys when building `ReactCompositeComponent` classses.
*/
function mixSpecIntoComponent(Constructor, spec) {
("production" !== "development" ? invariant(
!ReactDescriptor.isValidFactory(spec),
'ReactCompositeComponent: You\'re attempting to ' +
'use a component class as a mixin. Instead, just use a regular object.'
) : invariant(!ReactDescriptor.isValidFactory(spec)));
("production" !== "development" ? invariant(
!ReactDescriptor.isValidDescriptor(spec),
'ReactCompositeComponent: You\'re attempting to ' +
'use a component as a mixin. Instead, just use a regular object.'
) : invariant(!ReactDescriptor.isValidDescriptor(spec)));
var proto = Constructor.prototype;
for (var name in spec) {
var property = spec[name];
if (!spec.hasOwnProperty(name)) {
continue;
}
validateMethodOverride(proto, name);
if (RESERVED_SPEC_KEYS.hasOwnProperty(name)) {
RESERVED_SPEC_KEYS[name](Constructor, property);
} else {
// Setup methods on prototype:
// The following member methods should not be automatically bound:
// 1. Expected ReactCompositeComponent methods (in the "interface").
// 2. Overridden methods (that were mixed in).
var isCompositeComponentMethod =
ReactCompositeComponentInterface.hasOwnProperty(name);
var isAlreadyDefined = proto.hasOwnProperty(name);
var markedDontBind = property && property.__reactDontBind;
var isFunction = typeof property === 'function';
var shouldAutoBind =
isFunction &&
!isCompositeComponentMethod &&
!isAlreadyDefined &&
!markedDontBind;
if (shouldAutoBind) {
if (!proto.__reactAutoBindMap) {
proto.__reactAutoBindMap = {};
}
proto.__reactAutoBindMap[name] = property;
proto[name] = property;
} else {
if (isAlreadyDefined) {
var specPolicy = ReactCompositeComponentInterface[name];
// These cases should already be caught by validateMethodOverride
("production" !== "development" ? invariant(
isCompositeComponentMethod && (
specPolicy === SpecPolicy.DEFINE_MANY_MERGED ||
specPolicy === SpecPolicy.DEFINE_MANY
),
'ReactCompositeComponent: Unexpected spec policy %s for key %s ' +
'when mixing in component specs.',
specPolicy,
name
) : invariant(isCompositeComponentMethod && (
specPolicy === SpecPolicy.DEFINE_MANY_MERGED ||
specPolicy === SpecPolicy.DEFINE_MANY
)));
// For methods which are defined more than once, call the existing
// methods before calling the new property, merging if appropriate.
if (specPolicy === SpecPolicy.DEFINE_MANY_MERGED) {
proto[name] = createMergedResultFunction(proto[name], property);
} else if (specPolicy === SpecPolicy.DEFINE_MANY) {
proto[name] = createChainedFunction(proto[name], property);
}
} else {
proto[name] = property;
if ("production" !== "development") {
// Add verbose displayName to the function, which helps when looking
// at profiling tools.
if (typeof property === 'function' && spec.displayName) {
proto[name].displayName = spec.displayName + '_' + name;
}
}
}
}
}
}
}
function mixStaticSpecIntoComponent(Constructor, statics) {
if (!statics) {
return;
}
for (var name in statics) {
var property = statics[name];
if (!statics.hasOwnProperty(name)) {
continue;
}
var isInherited = name in Constructor;
var result = property;
if (isInherited) {
var existingProperty = Constructor[name];
var existingType = typeof existingProperty;
var propertyType = typeof property;
("production" !== "development" ? invariant(
existingType === 'function' && propertyType === 'function',
'ReactCompositeComponent: You are attempting to define ' +
'`%s` on your component more than once, but that is only supported ' +
'for functions, which are chained together. This conflict may be ' +
'due to a mixin.',
name
) : invariant(existingType === 'function' && propertyType === 'function'));
result = createChainedFunction(existingProperty, property);
}
Constructor[name] = result;
}
}
/**
* Merge two objects, but throw if both contain the same key.
*
* @param {object} one The first object, which is mutated.
* @param {object} two The second object
* @return {object} one after it has been mutated to contain everything in two.
*/
function mergeObjectsWithNoDuplicateKeys(one, two) {
("production" !== "development" ? invariant(
one && two && typeof one === 'object' && typeof two === 'object',
'mergeObjectsWithNoDuplicateKeys(): Cannot merge non-objects'
) : invariant(one && two && typeof one === 'object' && typeof two === 'object'));
mapObject(two, function(value, key) {
("production" !== "development" ? invariant(
one[key] === undefined,
'mergeObjectsWithNoDuplicateKeys(): ' +
'Tried to merge two objects with the same key: %s',
key
) : invariant(one[key] === undefined));
one[key] = value;
});
return one;
}
/**
* Creates a function that invokes two functions and merges their return values.
*
* @param {function} one Function to invoke first.
* @param {function} two Function to invoke second.
* @return {function} Function that invokes the two argument functions.
* @private
*/
function createMergedResultFunction(one, two) {
return function mergedResult() {
var a = one.apply(this, arguments);
var b = two.apply(this, arguments);
if (a == null) {
return b;
} else if (b == null) {
return a;
}
return mergeObjectsWithNoDuplicateKeys(a, b);
};
}
/**
* Creates a function that invokes two functions and ignores their return vales.
*
* @param {function} one Function to invoke first.
* @param {function} two Function to invoke second.
* @return {function} Function that invokes the two argument functions.
* @private
*/
function createChainedFunction(one, two) {
return function chainedFunction() {
one.apply(this, arguments);
two.apply(this, arguments);
};
}
/**
* `ReactCompositeComponent` maintains an auxiliary life cycle state in
* `this._compositeLifeCycleState` (which can be null).
*
* This is different from the life cycle state maintained by `ReactComponent` in
* `this._lifeCycleState`. The following diagram shows how the states overlap in
* time. There are times when the CompositeLifeCycle is null - at those times it
* is only meaningful to look at ComponentLifeCycle alone.
*
* Top Row: ReactComponent.ComponentLifeCycle
* Low Row: ReactComponent.CompositeLifeCycle
*
* +-------+------------------------------------------------------+--------+
* | UN | MOUNTED | UN |
* |MOUNTED| | MOUNTED|
* +-------+------------------------------------------------------+--------+
* | ^--------+ +------+ +------+ +------+ +--------^ |
* | | | | | | | | | | | |
* | 0--|MOUNTING|-0-|RECEIV|-0-|RECEIV|-0-|RECEIV|-0-| UN |--->0 |
* | | | |PROPS | | PROPS| | STATE| |MOUNTING| |
* | | | | | | | | | | | |
* | | | | | | | | | | | |
* | +--------+ +------+ +------+ +------+ +--------+ |
* | | | |
* +-------+------------------------------------------------------+--------+
*/
var CompositeLifeCycle = keyMirror({
/**
* Components in the process of being mounted respond to state changes
* differently.
*/
MOUNTING: null,
/**
* Components in the process of being unmounted are guarded against state
* changes.
*/
UNMOUNTING: null,
/**
* Components that are mounted and receiving new props respond to state
* changes differently.
*/
RECEIVING_PROPS: null,
/**
* Components that are mounted and receiving new state are guarded against
* additional state changes.
*/
RECEIVING_STATE: null
});
/**
* @lends {ReactCompositeComponent.prototype}
*/
var ReactCompositeComponentMixin = {
/**
* Base constructor for all composite component.
*
* @param {ReactDescriptor} descriptor
* @final
* @internal
*/
construct: function(descriptor) {
// Children can be either an array or more than one argument
ReactComponent.Mixin.construct.apply(this, arguments);
ReactOwner.Mixin.construct.apply(this, arguments);
this.state = null;
this._pendingState = null;
// This is the public post-processed context. The real context and pending
// context lives on the descriptor.
this.context = null;
this._compositeLifeCycleState = null;
},
/**
* Checks whether or not this composite component is mounted.
* @return {boolean} True if mounted, false otherwise.
* @protected
* @final
*/
isMounted: function() {
return ReactComponent.Mixin.isMounted.call(this) &&
this._compositeLifeCycleState !== CompositeLifeCycle.MOUNTING;
},
/**
* Initializes the component, renders markup, and registers event listeners.
*
* @param {string} rootID DOM ID of the root node.
* @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction
* @param {number} mountDepth number of components in the owner hierarchy
* @return {?string} Rendered markup to be inserted into the DOM.
* @final
* @internal
*/
mountComponent: ReactPerf.measure(
'ReactCompositeComponent',
'mountComponent',
function(rootID, transaction, mountDepth) {
ReactComponent.Mixin.mountComponent.call(
this,
rootID,
transaction,
mountDepth
);
this._compositeLifeCycleState = CompositeLifeCycle.MOUNTING;
if (this.__reactAutoBindMap) {
this._bindAutoBindMethods();
}
this.context = this._processContext(this._descriptor._context);
this.props = this._processProps(this.props);
this.state = this.getInitialState ? this.getInitialState() : null;
("production" !== "development" ? invariant(
typeof this.state === 'object' && !Array.isArray(this.state),
'%s.getInitialState(): must return an object or null',
this.constructor.displayName || 'ReactCompositeComponent'
) : invariant(typeof this.state === 'object' && !Array.isArray(this.state)));
this._pendingState = null;
this._pendingForceUpdate = false;
if (this.componentWillMount) {
this.componentWillMount();
// When mounting, calls to `setState` by `componentWillMount` will set
// `this._pendingState` without triggering a re-render.
if (this._pendingState) {
this.state = this._pendingState;
this._pendingState = null;
}
}
this._renderedComponent = instantiateReactComponent(
this._renderValidatedComponent()
);
// Done with mounting, `setState` will now trigger UI changes.
this._compositeLifeCycleState = null;
var markup = this._renderedComponent.mountComponent(
rootID,
transaction,
mountDepth + 1
);
if (this.componentDidMount) {
transaction.getReactMountReady().enqueue(this.componentDidMount, this);
}
return markup;
}
),
/**
* Releases any resources allocated by `mountComponent`.
*
* @final
* @internal
*/
unmountComponent: function() {
this._compositeLifeCycleState = CompositeLifeCycle.UNMOUNTING;
if (this.componentWillUnmount) {
this.componentWillUnmount();
}
this._compositeLifeCycleState = null;
this._renderedComponent.unmountComponent();
this._renderedComponent = null;
ReactComponent.Mixin.unmountComponent.call(this);
// Some existing components rely on this.props even after they've been
// destroyed (in event handlers).
// TODO: this.props = null;
// TODO: this.state = null;
},
/**
* Sets a subset of the state. Always use this or `replaceState` to mutate
* state. You should treat `this.state` as immutable.
*
* There is no guarantee that `this.state` will be immediately updated, so
* accessing `this.state` after calling this method may return the old value.
*
* There is no guarantee that calls to `setState` will run synchronously,
* as they may eventually be batched together. You can provide an optional
* callback that will be executed when the call to setState is actually
* completed.
*
* @param {object} partialState Next partial state to be merged with state.
* @param {?function} callback Called after state is updated.
* @final
* @protected
*/
setState: function(partialState, callback) {
("production" !== "development" ? invariant(
typeof partialState === 'object' || partialState == null,
'setState(...): takes an object of state variables to update.'
) : invariant(typeof partialState === 'object' || partialState == null));
if ("production" !== "development"){
("production" !== "development" ? warning(
partialState != null,
'setState(...): You passed an undefined or null state object; ' +
'instead, use forceUpdate().'
) : null);
}
// Merge with `_pendingState` if it exists, otherwise with existing state.
this.replaceState(
merge(this._pendingState || this.state, partialState),
callback
);
},
/**
* Replaces all of the state. Always use this or `setState` to mutate state.
* You should treat `this.state` as immutable.
*
* There is no guarantee that `this.state` will be immediately updated, so
* accessing `this.state` after calling this method may return the old value.
*
* @param {object} completeState Next state.
* @param {?function} callback Called after state is updated.
* @final
* @protected
*/
replaceState: function(completeState, callback) {
validateLifeCycleOnReplaceState(this);
this._pendingState = completeState;
ReactUpdates.enqueueUpdate(this, callback);
},
/**
* Filters the context object to only contain keys specified in
* `contextTypes`, and asserts that they are valid.
*
* @param {object} context
* @return {?object}
* @private
*/
_processContext: function(context) {
var maskedContext = null;
var contextTypes = this.constructor.contextTypes;
if (contextTypes) {
maskedContext = {};
for (var contextName in contextTypes) {
maskedContext[contextName] = context[contextName];
}
if ("production" !== "development") {
this._checkPropTypes(
contextTypes,
maskedContext,
ReactPropTypeLocations.context
);
}
}
return maskedContext;
},
/**
* @param {object} currentContext
* @return {object}
* @private
*/
_processChildContext: function(currentContext) {
var childContext = this.getChildContext && this.getChildContext();
var displayName = this.constructor.displayName || 'ReactCompositeComponent';
if (childContext) {
("production" !== "development" ? invariant(
typeof this.constructor.childContextTypes === 'object',
'%s.getChildContext(): childContextTypes must be defined in order to ' +
'use getChildContext().',
displayName
) : invariant(typeof this.constructor.childContextTypes === 'object'));
if ("production" !== "development") {
this._checkPropTypes(
this.constructor.childContextTypes,
childContext,
ReactPropTypeLocations.childContext
);
}
for (var name in childContext) {
("production" !== "development" ? invariant(
name in this.constructor.childContextTypes,
'%s.getChildContext(): key "%s" is not defined in childContextTypes.',
displayName,
name
) : invariant(name in this.constructor.childContextTypes));
}
return merge(currentContext, childContext);
}
return currentContext;
},
/**
* Processes props by setting default values for unspecified props and
* asserting that the props are valid. Does not mutate its argument; returns
* a new props object with defaults merged in.
*
* @param {object} newProps
* @return {object}
* @private
*/
_processProps: function(newProps) {
var defaultProps = this.constructor.defaultProps;
var props;
if (defaultProps) {
props = merge(newProps);
for (var propName in defaultProps) {
if (typeof props[propName] === 'undefined') {
props[propName] = defaultProps[propName];
}
}
} else {
props = newProps;
}
if ("production" !== "development") {
var propTypes = this.constructor.propTypes;
if (propTypes) {
this._checkPropTypes(propTypes, props, ReactPropTypeLocations.prop);
}
}
return props;
},
/**
* Assert that the props are valid
*
* @param {object} propTypes Map of prop name to a ReactPropType
* @param {object} props
* @param {string} location e.g. "prop", "context", "child context"
* @private
*/
_checkPropTypes: function(propTypes, props, location) {
// TODO: Stop validating prop types here and only use the descriptor
// validation.
var componentName = this.constructor.displayName;
for (var propName in propTypes) {
if (propTypes.hasOwnProperty(propName)) {
var error =
propTypes[propName](props, propName, componentName, location);
if (error instanceof Error) {
// We may want to extend this logic for similar errors in
// renderComponent calls, so I'm abstracting it away into
// a function to minimize refactoring in the future
var addendum = getDeclarationErrorAddendum(this);
("production" !== "development" ? warning(false, error.message + addendum) : null);
}
}
}
},
/**
* If any of `_pendingDescriptor`, `_pendingState`, or `_pendingForceUpdate`
* is set, update the component.
*
* @param {ReactReconcileTransaction} transaction
* @internal
*/
performUpdateIfNecessary: function(transaction) {
var compositeLifeCycleState = this._compositeLifeCycleState;
// Do not trigger a state transition if we are in the middle of mounting or
// receiving props because both of those will already be doing this.
if (compositeLifeCycleState === CompositeLifeCycle.MOUNTING ||
compositeLifeCycleState === CompositeLifeCycle.RECEIVING_PROPS) {
return;
}
if (this._pendingDescriptor == null &&
this._pendingState == null &&
!this._pendingForceUpdate) {
return;
}
var nextContext = this.context;
var nextProps = this.props;
var nextDescriptor = this._descriptor;
if (this._pendingDescriptor != null) {
nextDescriptor = this._pendingDescriptor;
nextContext = this._processContext(nextDescriptor._context);
nextProps = this._processProps(nextDescriptor.props);
this._pendingDescriptor = null;
this._compositeLifeCycleState = CompositeLifeCycle.RECEIVING_PROPS;
if (this.componentWillReceiveProps) {
this.componentWillReceiveProps(nextProps, nextContext);
}
}
this._compositeLifeCycleState = CompositeLifeCycle.RECEIVING_STATE;
var nextState = this._pendingState || this.state;
this._pendingState = null;
try {
var shouldUpdate =
this._pendingForceUpdate ||
!this.shouldComponentUpdate ||
this.shouldComponentUpdate(nextProps, nextState, nextContext);
if ("production" !== "development") {
if (typeof shouldUpdate === "undefined") {
console.warn(
(this.constructor.displayName || 'ReactCompositeComponent') +
'.shouldComponentUpdate(): Returned undefined instead of a ' +
'boolean value. Make sure to return true or false.'
);
}
}
if (shouldUpdate) {
this._pendingForceUpdate = false;
// Will set `this.props`, `this.state` and `this.context`.
this._performComponentUpdate(
nextDescriptor,
nextProps,
nextState,
nextContext,
transaction
);
} else {
// If it's determined that a component should not update, we still want
// to set props and state.
this._descriptor = nextDescriptor;
this.props = nextProps;
this.state = nextState;
this.context = nextContext;
// Owner cannot change because shouldUpdateReactComponent doesn't allow
// it. TODO: Remove this._owner completely.
this._owner = nextDescriptor._owner;
}
} finally {
this._compositeLifeCycleState = null;
}
},
/**
* Merges new props and state, notifies delegate methods of update and
* performs update.
*
* @param {ReactDescriptor} nextDescriptor Next descriptor
* @param {object} nextProps Next public object to set as properties.
* @param {?object} nextState Next object to set as state.
* @param {?object} nextContext Next public object to set as context.
* @param {ReactReconcileTransaction} transaction
* @private
*/
_performComponentUpdate: function(
nextDescriptor,
nextProps,
nextState,
nextContext,
transaction
) {
var prevDescriptor = this._descriptor;
var prevProps = this.props;
var prevState = this.state;
var prevContext = this.context;
if (this.componentWillUpdate) {
this.componentWillUpdate(nextProps, nextState, nextContext);
}
this._descriptor = nextDescriptor;
this.props = nextProps;
this.state = nextState;
this.context = nextContext;
// Owner cannot change because shouldUpdateReactComponent doesn't allow
// it. TODO: Remove this._owner completely.
this._owner = nextDescriptor._owner;
this.updateComponent(
transaction,
prevDescriptor
);
if (this.componentDidUpdate) {
transaction.getReactMountReady().enqueue(
this.componentDidUpdate.bind(this, prevProps, prevState, prevContext),
this
);
}
},
receiveComponent: function(nextDescriptor, transaction) {
if (nextDescriptor === this._descriptor &&
nextDescriptor._owner != null) {
// Since descriptors are immutable after the owner is rendered,
// we can do a cheap identity compare here to determine if this is a
// superfluous reconcile. It's possible for state to be mutable but such
// change should trigger an update of the owner which would recreate
// the descriptor. We explicitly check for the existence of an owner since
// it's possible for a descriptor created outside a composite to be
// deeply mutated and reused.
return;
}
ReactComponent.Mixin.receiveComponent.call(
this,
nextDescriptor,
transaction
);
},
/**
* Updates the component's currently mounted DOM representation.
*
* By default, this implements React's rendering and reconciliation algorithm.
* Sophisticated clients may wish to override this.
*
* @param {ReactReconcileTransaction} transaction
* @param {ReactDescriptor} prevDescriptor
* @internal
* @overridable
*/
updateComponent: ReactPerf.measure(
'ReactCompositeComponent',
'updateComponent',
function(transaction, prevParentDescriptor) {
ReactComponent.Mixin.updateComponent.call(
this,
transaction,
prevParentDescriptor
);
var prevComponentInstance = this._renderedComponent;
var prevDescriptor = prevComponentInstance._descriptor;
var nextDescriptor = this._renderValidatedComponent();
if (shouldUpdateReactComponent(prevDescriptor, nextDescriptor)) {
prevComponentInstance.receiveComponent(nextDescriptor, transaction);
} else {
// These two IDs are actually the same! But nothing should rely on that.
var thisID = this._rootNodeID;
var prevComponentID = prevComponentInstance._rootNodeID;
prevComponentInstance.unmountComponent();
this._renderedComponent = instantiateReactComponent(nextDescriptor);
var nextMarkup = this._renderedComponent.mountComponent(
thisID,
transaction,
this._mountDepth + 1
);
ReactComponent.BackendIDOperations.dangerouslyReplaceNodeWithMarkupByID(
prevComponentID,
nextMarkup
);
}
}
),
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
*
* You may want to call this when you know that some deeper aspect of the
* component's state has changed but `setState` was not called.
*
* This will not invoke `shouldUpdateComponent`, but it will invoke
* `componentWillUpdate` and `componentDidUpdate`.
*
* @param {?function} callback Called after update is complete.
* @final
* @protected
*/
forceUpdate: function(callback) {
var compositeLifeCycleState = this._compositeLifeCycleState;
("production" !== "development" ? invariant(
this.isMounted() ||
compositeLifeCycleState === CompositeLifeCycle.MOUNTING,
'forceUpdate(...): Can only force an update on mounted or mounting ' +
'components.'
) : invariant(this.isMounted() ||
compositeLifeCycleState === CompositeLifeCycle.MOUNTING));
("production" !== "development" ? invariant(
compositeLifeCycleState !== CompositeLifeCycle.RECEIVING_STATE &&
compositeLifeCycleState !== CompositeLifeCycle.UNMOUNTING,
'forceUpdate(...): Cannot force an update while unmounting component ' +
'or during an existing state transition (such as within `render`).'
) : invariant(compositeLifeCycleState !== CompositeLifeCycle.RECEIVING_STATE &&
compositeLifeCycleState !== CompositeLifeCycle.UNMOUNTING));
this._pendingForceUpdate = true;
ReactUpdates.enqueueUpdate(this, callback);
},
/**
* @private
*/
_renderValidatedComponent: ReactPerf.measure(
'ReactCompositeComponent',
'_renderValidatedComponent',
function() {
var renderedComponent;
var previousContext = ReactContext.current;
ReactContext.current = this._processChildContext(
this._descriptor._context
);
ReactCurrentOwner.current = this;
try {
renderedComponent = this.render();
if (renderedComponent === null || renderedComponent === false) {
renderedComponent = ReactEmptyComponent.getEmptyComponent();
ReactEmptyComponent.registerNullComponentID(this._rootNodeID);
} else {
ReactEmptyComponent.deregisterNullComponentID(this._rootNodeID);
}
} finally {
ReactContext.current = previousContext;
ReactCurrentOwner.current = null;
}
("production" !== "development" ? invariant(
ReactDescriptor.isValidDescriptor(renderedComponent),
'%s.render(): A valid ReactComponent must be returned. You may have ' +
'returned undefined, an array or some other invalid object.',
this.constructor.displayName || 'ReactCompositeComponent'
) : invariant(ReactDescriptor.isValidDescriptor(renderedComponent)));
return renderedComponent;
}
),
/**
* @private
*/
_bindAutoBindMethods: function() {
for (var autoBindKey in this.__reactAutoBindMap) {
if (!this.__reactAutoBindMap.hasOwnProperty(autoBindKey)) {
continue;
}
var method = this.__reactAutoBindMap[autoBindKey];
this[autoBindKey] = this._bindAutoBindMethod(ReactErrorUtils.guard(
method,
this.constructor.displayName + '.' + autoBindKey
));
}
},
/**
* Binds a method to the component.
*
* @param {function} method Method to be bound.
* @private
*/
_bindAutoBindMethod: function(method) {
var component = this;
var boundMethod = function() {
return method.apply(component, arguments);
};
if ("production" !== "development") {
boundMethod.__reactBoundContext = component;
boundMethod.__reactBoundMethod = method;
boundMethod.__reactBoundArguments = null;
var componentName = component.constructor.displayName;
var _bind = boundMethod.bind;
boundMethod.bind = function(newThis ) {var args=Array.prototype.slice.call(arguments,1);
// User is trying to bind() an autobound method; we effectively will
// ignore the value of "this" that the user is trying to use, so
// let's warn.
if (newThis !== component && newThis !== null) {
monitorCodeUse('react_bind_warning', { component: componentName });
console.warn(
'bind(): React component methods may only be bound to the ' +
'component instance. See ' + componentName
);
} else if (!args.length) {
monitorCodeUse('react_bind_warning', { component: componentName });
console.warn(
'bind(): You are binding a component method to the component. ' +
'React does this for you automatically in a high-performance ' +
'way, so you can safely remove this call. See ' + componentName
);
return boundMethod;
}
var reboundMethod = _bind.apply(boundMethod, arguments);
reboundMethod.__reactBoundContext = component;
reboundMethod.__reactBoundMethod = method;
reboundMethod.__reactBoundArguments = args;
return reboundMethod;
};
}
return boundMethod;
}
};
var ReactCompositeComponentBase = function() {};
mixInto(ReactCompositeComponentBase, ReactComponent.Mixin);
mixInto(ReactCompositeComponentBase, ReactOwner.Mixin);
mixInto(ReactCompositeComponentBase, ReactPropTransferer.Mixin);
mixInto(ReactCompositeComponentBase, ReactCompositeComponentMixin);
/**
* Module for creating composite components.
*
* @class ReactCompositeComponent
* @extends ReactComponent
* @extends ReactOwner
* @extends ReactPropTransferer
*/
var ReactCompositeComponent = {
LifeCycle: CompositeLifeCycle,
Base: ReactCompositeComponentBase,
/**
* Creates a composite component class given a class specification.
*
* @param {object} spec Class specification (which must define `render`).
* @return {function} Component constructor function.
* @public
*/
createClass: function(spec) {
var Constructor = function(props, owner) {
this.construct(props, owner);
};
Constructor.prototype = new ReactCompositeComponentBase();
Constructor.prototype.constructor = Constructor;
injectedMixins.forEach(
mixSpecIntoComponent.bind(null, Constructor)
);
mixSpecIntoComponent(Constructor, spec);
// Initialize the defaultProps property after all mixins have been merged
if (Constructor.getDefaultProps) {
Constructor.defaultProps = Constructor.getDefaultProps();
}
("production" !== "development" ? invariant(
Constructor.prototype.render,
'createClass(...): Class specification must implement a `render` method.'
) : invariant(Constructor.prototype.render));
if ("production" !== "development") {
if (Constructor.prototype.componentShouldUpdate) {
monitorCodeUse(
'react_component_should_update_warning',
{ component: spec.displayName }
);
console.warn(
(spec.displayName || 'A component') + ' has a method called ' +
'componentShouldUpdate(). Did you mean shouldComponentUpdate()? ' +
'The name is phrased as a question because the function is ' +
'expected to return a value.'
);
}
}
// Reduce time spent doing lookups by setting these on the prototype.
for (var methodName in ReactCompositeComponentInterface) {
if (!Constructor.prototype[methodName]) {
Constructor.prototype[methodName] = null;
}
}
var descriptorFactory = ReactDescriptor.createFactory(Constructor);
if ("production" !== "development") {
return ReactDescriptorValidator.createFactory(
descriptorFactory,
Constructor.propTypes,
Constructor.contextTypes
);
}
return descriptorFactory;
},
injection: {
injectMixin: function(mixin) {
injectedMixins.push(mixin);
}
}
};
module.exports = ReactCompositeComponent;
},{"./ReactComponent":31,"./ReactContext":34,"./ReactCurrentOwner":35,"./ReactDescriptor":51,"./ReactDescriptorValidator":52,"./ReactEmptyComponent":53,"./ReactErrorUtils":54,"./ReactOwner":64,"./ReactPerf":65,"./ReactPropTransferer":66,"./ReactPropTypeLocationNames":67,"./ReactPropTypeLocations":68,"./ReactUpdates":76,"./instantiateReactComponent":119,"./invariant":120,"./keyMirror":126,"./mapObject":128,"./merge":130,"./mixInto":133,"./monitorCodeUse":134,"./shouldUpdateReactComponent":140,"./warning":143}],34:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactContext
*/
"use strict";
var merge = _dereq_("./merge");
/**
* Keeps track of the current context.
*
* The context is automatically passed down the component ownership hierarchy
* and is accessible via `this.context` on ReactCompositeComponents.
*/
var ReactContext = {
/**
* @internal
* @type {object}
*/
current: {},
/**
* Temporarily extends the current context while executing scopedCallback.
*
* A typical use case might look like
*
* render: function() {
* var children = ReactContext.withContext({foo: 'foo'} () => (
*
* ));
* return <div>{children}</div>;
* }
*
* @param {object} newContext New context to merge into the existing context
* @param {function} scopedCallback Callback to run with the new context
* @return {ReactComponent|array<ReactComponent>}
*/
withContext: function(newContext, scopedCallback) {
var result;
var previousContext = ReactContext.current;
ReactContext.current = merge(previousContext, newContext);
try {
result = scopedCallback();
} finally {
ReactContext.current = previousContext;
}
return result;
}
};
module.exports = ReactContext;
},{"./merge":130}],35:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactCurrentOwner
*/
"use strict";
/**
* Keeps track of the current owner.
*
* The current owner is the component who should own any components that are
* currently being constructed.
*
* The depth indicate how many composite components are above this render level.
*/
var ReactCurrentOwner = {
/**
* @internal
* @type {ReactComponent}
*/
current: null
};
module.exports = ReactCurrentOwner;
},{}],36:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOM
* @typechecks static-only
*/
"use strict";
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactDescriptorValidator = _dereq_("./ReactDescriptorValidator");
var ReactDOMComponent = _dereq_("./ReactDOMComponent");
var mergeInto = _dereq_("./mergeInto");
var mapObject = _dereq_("./mapObject");
/**
* Creates a new React class that is idempotent and capable of containing other
* React components. It accepts event listeners and DOM properties that are
* valid according to `DOMProperty`.
*
* - Event listeners: `onClick`, `onMouseDown`, etc.
* - DOM properties: `className`, `name`, `title`, etc.
*
* The `style` property functions differently from the DOM API. It accepts an
* object mapping of style properties to values.
*
* @param {boolean} omitClose True if the close tag should be omitted.
* @param {string} tag Tag name (e.g. `div`).
* @private
*/
function createDOMComponentClass(omitClose, tag) {
var Constructor = function(descriptor) {
this.construct(descriptor);
};
Constructor.prototype = new ReactDOMComponent(tag, omitClose);
Constructor.prototype.constructor = Constructor;
Constructor.displayName = tag;
var ConvenienceConstructor = ReactDescriptor.createFactory(Constructor);
if ("production" !== "development") {
return ReactDescriptorValidator.createFactory(
ConvenienceConstructor
);
}
return ConvenienceConstructor;
}
/**
* Creates a mapping from supported HTML tags to `ReactDOMComponent` classes.
* This is also accessible via `React.DOM`.
*
* @public
*/
var ReactDOM = mapObject({
a: false,
abbr: false,
address: false,
area: true,
article: false,
aside: false,
audio: false,
b: false,
base: true,
bdi: false,
bdo: false,
big: false,
blockquote: false,
body: false,
br: true,
button: false,
canvas: false,
caption: false,
cite: false,
code: false,
col: true,
colgroup: false,
data: false,
datalist: false,
dd: false,
del: false,
details: false,
dfn: false,
div: false,
dl: false,
dt: false,
em: false,
embed: true,
fieldset: false,
figcaption: false,
figure: false,
footer: false,
form: false, // NOTE: Injected, see `ReactDOMForm`.
h1: false,
h2: false,
h3: false,
h4: false,
h5: false,
h6: false,
head: false,
header: false,
hr: true,
html: false,
i: false,
iframe: false,
img: true,
input: true,
ins: false,
kbd: false,
keygen: true,
label: false,
legend: false,
li: false,
link: true,
main: false,
map: false,
mark: false,
menu: false,
menuitem: false, // NOTE: Close tag should be omitted, but causes problems.
meta: true,
meter: false,
nav: false,
noscript: false,
object: false,
ol: false,
optgroup: false,
option: false,
output: false,
p: false,
param: true,
picture: false,
pre: false,
progress: false,
q: false,
rp: false,
rt: false,
ruby: false,
s: false,
samp: false,
script: false,
section: false,
select: false,
small: false,
source: true,
span: false,
strong: false,
style: false,
sub: false,
summary: false,
sup: false,
table: false,
tbody: false,
td: false,
textarea: false, // NOTE: Injected, see `ReactDOMTextarea`.
tfoot: false,
th: false,
thead: false,
time: false,
title: false,
tr: false,
track: true,
u: false,
ul: false,
'var': false,
video: false,
wbr: true,
// SVG
circle: false,
defs: false,
ellipse: false,
g: false,
line: false,
linearGradient: false,
mask: false,
path: false,
pattern: false,
polygon: false,
polyline: false,
radialGradient: false,
rect: false,
stop: false,
svg: false,
text: false,
tspan: false
}, createDOMComponentClass);
var injection = {
injectComponentClasses: function(componentClasses) {
mergeInto(ReactDOM, componentClasses);
}
};
ReactDOM.injection = injection;
module.exports = ReactDOM;
},{"./ReactDOMComponent":38,"./ReactDescriptor":51,"./ReactDescriptorValidator":52,"./mapObject":128,"./mergeInto":132}],37:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMButton
*/
"use strict";
var AutoFocusMixin = _dereq_("./AutoFocusMixin");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
var keyMirror = _dereq_("./keyMirror");
// Store a reference to the <button> `ReactDOMComponent`.
var button = ReactDOM.button;
var mouseListenerNames = keyMirror({
onClick: true,
onDoubleClick: true,
onMouseDown: true,
onMouseMove: true,
onMouseUp: true,
onClickCapture: true,
onDoubleClickCapture: true,
onMouseDownCapture: true,
onMouseMoveCapture: true,
onMouseUpCapture: true
});
/**
* Implements a <button> native component that does not receive mouse events
* when `disabled` is set.
*/
var ReactDOMButton = ReactCompositeComponent.createClass({
displayName: 'ReactDOMButton',
mixins: [AutoFocusMixin, ReactBrowserComponentMixin],
render: function() {
var props = {};
// Copy the props; except the mouse listeners if we're disabled
for (var key in this.props) {
if (this.props.hasOwnProperty(key) &&
(!this.props.disabled || !mouseListenerNames[key])) {
props[key] = this.props[key];
}
}
return button(props, this.props.children);
}
});
module.exports = ReactDOMButton;
},{"./AutoFocusMixin":1,"./ReactBrowserComponentMixin":28,"./ReactCompositeComponent":33,"./ReactDOM":36,"./keyMirror":126}],38:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMComponent
* @typechecks static-only
*/
"use strict";
var CSSPropertyOperations = _dereq_("./CSSPropertyOperations");
var DOMProperty = _dereq_("./DOMProperty");
var DOMPropertyOperations = _dereq_("./DOMPropertyOperations");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactComponent = _dereq_("./ReactComponent");
var ReactBrowserEventEmitter = _dereq_("./ReactBrowserEventEmitter");
var ReactMount = _dereq_("./ReactMount");
var ReactMultiChild = _dereq_("./ReactMultiChild");
var ReactPerf = _dereq_("./ReactPerf");
var escapeTextForBrowser = _dereq_("./escapeTextForBrowser");
var invariant = _dereq_("./invariant");
var keyOf = _dereq_("./keyOf");
var merge = _dereq_("./merge");
var mixInto = _dereq_("./mixInto");
var deleteListener = ReactBrowserEventEmitter.deleteListener;
var listenTo = ReactBrowserEventEmitter.listenTo;
var registrationNameModules = ReactBrowserEventEmitter.registrationNameModules;
// For quickly matching children type, to test if can be treated as content.
var CONTENT_TYPES = {'string': true, 'number': true};
var STYLE = keyOf({style: null});
var ELEMENT_NODE_TYPE = 1;
/**
* @param {?object} props
*/
function assertValidProps(props) {
if (!props) {
return;
}
// Note the use of `==` which checks for null or undefined.
("production" !== "development" ? invariant(
props.children == null || props.dangerouslySetInnerHTML == null,
'Can only set one of `children` or `props.dangerouslySetInnerHTML`.'
) : invariant(props.children == null || props.dangerouslySetInnerHTML == null));
("production" !== "development" ? invariant(
props.style == null || typeof props.style === 'object',
'The `style` prop expects a mapping from style properties to values, ' +
'not a string.'
) : invariant(props.style == null || typeof props.style === 'object'));
}
function putListener(id, registrationName, listener, transaction) {
var container = ReactMount.findReactContainerForID(id);
if (container) {
var doc = container.nodeType === ELEMENT_NODE_TYPE ?
container.ownerDocument :
container;
listenTo(registrationName, doc);
}
transaction.getPutListenerQueue().enqueuePutListener(
id,
registrationName,
listener
);
}
/**
* @constructor ReactDOMComponent
* @extends ReactComponent
* @extends ReactMultiChild
*/
function ReactDOMComponent(tag, omitClose) {
this._tagOpen = '<' + tag;
this._tagClose = omitClose ? '' : '</' + tag + '>';
this.tagName = tag.toUpperCase();
}
ReactDOMComponent.Mixin = {
/**
* Generates root tag markup then recurses. This method has side effects and
* is not idempotent.
*
* @internal
* @param {string} rootID The root DOM ID for this node.
* @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction
* @param {number} mountDepth number of components in the owner hierarchy
* @return {string} The computed markup.
*/
mountComponent: ReactPerf.measure(
'ReactDOMComponent',
'mountComponent',
function(rootID, transaction, mountDepth) {
ReactComponent.Mixin.mountComponent.call(
this,
rootID,
transaction,
mountDepth
);
assertValidProps(this.props);
return (
this._createOpenTagMarkupAndPutListeners(transaction) +
this._createContentMarkup(transaction) +
this._tagClose
);
}
),
/**
* Creates markup for the open tag and all attributes.
*
* This method has side effects because events get registered.
*
* Iterating over object properties is faster than iterating over arrays.
* @see http://jsperf.com/obj-vs-arr-iteration
*
* @private
* @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction
* @return {string} Markup of opening tag.
*/
_createOpenTagMarkupAndPutListeners: function(transaction) {
var props = this.props;
var ret = this._tagOpen;
for (var propKey in props) {
if (!props.hasOwnProperty(propKey)) {
continue;
}
var propValue = props[propKey];
if (propValue == null) {
continue;
}
if (registrationNameModules.hasOwnProperty(propKey)) {
putListener(this._rootNodeID, propKey, propValue, transaction);
} else {
if (propKey === STYLE) {
if (propValue) {
propValue = props.style = merge(props.style);
}
propValue = CSSPropertyOperations.createMarkupForStyles(propValue);
}
var markup =
DOMPropertyOperations.createMarkupForProperty(propKey, propValue);
if (markup) {
ret += ' ' + markup;
}
}
}
// For static pages, no need to put React ID and checksum. Saves lots of
// bytes.
if (transaction.renderToStaticMarkup) {
return ret + '>';
}
var markupForID = DOMPropertyOperations.createMarkupForID(this._rootNodeID);
return ret + ' ' + markupForID + '>';
},
/**
* Creates markup for the content between the tags.
*
* @private
* @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction
* @return {string} Content markup.
*/
_createContentMarkup: function(transaction) {
// Intentional use of != to avoid catching zero/false.
var innerHTML = this.props.dangerouslySetInnerHTML;
if (innerHTML != null) {
if (innerHTML.__html != null) {
return innerHTML.__html;
}
} else {
var contentToUse =
CONTENT_TYPES[typeof this.props.children] ? this.props.children : null;
var childrenToUse = contentToUse != null ? null : this.props.children;
if (contentToUse != null) {
return escapeTextForBrowser(contentToUse);
} else if (childrenToUse != null) {
var mountImages = this.mountChildren(
childrenToUse,
transaction
);
return mountImages.join('');
}
}
return '';
},
receiveComponent: function(nextDescriptor, transaction) {
if (nextDescriptor === this._descriptor &&
nextDescriptor._owner != null) {
// Since descriptors are immutable after the owner is rendered,
// we can do a cheap identity compare here to determine if this is a
// superfluous reconcile. It's possible for state to be mutable but such
// change should trigger an update of the owner which would recreate
// the descriptor. We explicitly check for the existence of an owner since
// it's possible for a descriptor created outside a composite to be
// deeply mutated and reused.
return;
}
ReactComponent.Mixin.receiveComponent.call(
this,
nextDescriptor,
transaction
);
},
/**
* Updates a native DOM component after it has already been allocated and
* attached to the DOM. Reconciles the root DOM node, then recurses.
*
* @param {ReactReconcileTransaction} transaction
* @param {ReactDescriptor} prevDescriptor
* @internal
* @overridable
*/
updateComponent: ReactPerf.measure(
'ReactDOMComponent',
'updateComponent',
function(transaction, prevDescriptor) {
assertValidProps(this._descriptor.props);
ReactComponent.Mixin.updateComponent.call(
this,
transaction,
prevDescriptor
);
this._updateDOMProperties(prevDescriptor.props, transaction);
this._updateDOMChildren(prevDescriptor.props, transaction);
}
),
/**
* Reconciles the properties by detecting differences in property values and
* updating the DOM as necessary. This function is probably the single most
* critical path for performance optimization.
*
* TODO: Benchmark whether checking for changed values in memory actually
* improves performance (especially statically positioned elements).
* TODO: Benchmark the effects of putting this at the top since 99% of props
* do not change for a given reconciliation.
* TODO: Benchmark areas that can be improved with caching.
*
* @private
* @param {object} lastProps
* @param {ReactReconcileTransaction} transaction
*/
_updateDOMProperties: function(lastProps, transaction) {
var nextProps = this.props;
var propKey;
var styleName;
var styleUpdates;
for (propKey in lastProps) {
if (nextProps.hasOwnProperty(propKey) ||
!lastProps.hasOwnProperty(propKey)) {
continue;
}
if (propKey === STYLE) {
var lastStyle = lastProps[propKey];
for (styleName in lastStyle) {
if (lastStyle.hasOwnProperty(styleName)) {
styleUpdates = styleUpdates || {};
styleUpdates[styleName] = '';
}
}
} else if (registrationNameModules.hasOwnProperty(propKey)) {
deleteListener(this._rootNodeID, propKey);
} else if (
DOMProperty.isStandardName[propKey] ||
DOMProperty.isCustomAttribute(propKey)) {
ReactComponent.BackendIDOperations.deletePropertyByID(
this._rootNodeID,
propKey
);
}
}
for (propKey in nextProps) {
var nextProp = nextProps[propKey];
var lastProp = lastProps[propKey];
if (!nextProps.hasOwnProperty(propKey) || nextProp === lastProp) {
continue;
}
if (propKey === STYLE) {
if (nextProp) {
nextProp = nextProps.style = merge(nextProp);
}
if (lastProp) {
// Unset styles on `lastProp` but not on `nextProp`.
for (styleName in lastProp) {
if (lastProp.hasOwnProperty(styleName) &&
(!nextProp || !nextProp.hasOwnProperty(styleName))) {
styleUpdates = styleUpdates || {};
styleUpdates[styleName] = '';
}
}
// Update styles that changed since `lastProp`.
for (styleName in nextProp) {
if (nextProp.hasOwnProperty(styleName) &&
lastProp[styleName] !== nextProp[styleName]) {
styleUpdates = styleUpdates || {};
styleUpdates[styleName] = nextProp[styleName];
}
}
} else {
// Relies on `updateStylesByID` not mutating `styleUpdates`.
styleUpdates = nextProp;
}
} else if (registrationNameModules.hasOwnProperty(propKey)) {
putListener(this._rootNodeID, propKey, nextProp, transaction);
} else if (
DOMProperty.isStandardName[propKey] ||
DOMProperty.isCustomAttribute(propKey)) {
ReactComponent.BackendIDOperations.updatePropertyByID(
this._rootNodeID,
propKey,
nextProp
);
}
}
if (styleUpdates) {
ReactComponent.BackendIDOperations.updateStylesByID(
this._rootNodeID,
styleUpdates
);
}
},
/**
* Reconciles the children with the various properties that affect the
* children content.
*
* @param {object} lastProps
* @param {ReactReconcileTransaction} transaction
*/
_updateDOMChildren: function(lastProps, transaction) {
var nextProps = this.props;
var lastContent =
CONTENT_TYPES[typeof lastProps.children] ? lastProps.children : null;
var nextContent =
CONTENT_TYPES[typeof nextProps.children] ? nextProps.children : null;
var lastHtml =
lastProps.dangerouslySetInnerHTML &&
lastProps.dangerouslySetInnerHTML.__html;
var nextHtml =
nextProps.dangerouslySetInnerHTML &&
nextProps.dangerouslySetInnerHTML.__html;
// Note the use of `!=` which checks for null or undefined.
var lastChildren = lastContent != null ? null : lastProps.children;
var nextChildren = nextContent != null ? null : nextProps.children;
// If we're switching from children to content/html or vice versa, remove
// the old content
var lastHasContentOrHtml = lastContent != null || lastHtml != null;
var nextHasContentOrHtml = nextContent != null || nextHtml != null;
if (lastChildren != null && nextChildren == null) {
this.updateChildren(null, transaction);
} else if (lastHasContentOrHtml && !nextHasContentOrHtml) {
this.updateTextContent('');
}
if (nextContent != null) {
if (lastContent !== nextContent) {
this.updateTextContent('' + nextContent);
}
} else if (nextHtml != null) {
if (lastHtml !== nextHtml) {
ReactComponent.BackendIDOperations.updateInnerHTMLByID(
this._rootNodeID,
nextHtml
);
}
} else if (nextChildren != null) {
this.updateChildren(nextChildren, transaction);
}
},
/**
* Destroys all event registrations for this instance. Does not remove from
* the DOM. That must be done by the parent.
*
* @internal
*/
unmountComponent: function() {
this.unmountChildren();
ReactBrowserEventEmitter.deleteAllListeners(this._rootNodeID);
ReactComponent.Mixin.unmountComponent.call(this);
}
};
mixInto(ReactDOMComponent, ReactComponent.Mixin);
mixInto(ReactDOMComponent, ReactDOMComponent.Mixin);
mixInto(ReactDOMComponent, ReactMultiChild.Mixin);
mixInto(ReactDOMComponent, ReactBrowserComponentMixin);
module.exports = ReactDOMComponent;
},{"./CSSPropertyOperations":4,"./DOMProperty":10,"./DOMPropertyOperations":11,"./ReactBrowserComponentMixin":28,"./ReactBrowserEventEmitter":29,"./ReactComponent":31,"./ReactMount":61,"./ReactMultiChild":62,"./ReactPerf":65,"./escapeTextForBrowser":104,"./invariant":120,"./keyOf":127,"./merge":130,"./mixInto":133}],39:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMForm
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var LocalEventTrapMixin = _dereq_("./LocalEventTrapMixin");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
// Store a reference to the <form> `ReactDOMComponent`.
var form = ReactDOM.form;
/**
* Since onSubmit doesn't bubble OR capture on the top level in IE8, we need
* to capture it on the <form> element itself. There are lots of hacks we could
* do to accomplish this, but the most reliable is to make <form> a
* composite component and use `componentDidMount` to attach the event handlers.
*/
var ReactDOMForm = ReactCompositeComponent.createClass({
displayName: 'ReactDOMForm',
mixins: [ReactBrowserComponentMixin, LocalEventTrapMixin],
render: function() {
// TODO: Instead of using `ReactDOM` directly, we should use JSX. However,
// `jshint` fails to parse JSX so in order for linting to work in the open
// source repo, we need to just use `ReactDOM.form`.
return this.transferPropsTo(form(null, this.props.children));
},
componentDidMount: function() {
this.trapBubbledEvent(EventConstants.topLevelTypes.topReset, 'reset');
this.trapBubbledEvent(EventConstants.topLevelTypes.topSubmit, 'submit');
}
});
module.exports = ReactDOMForm;
},{"./EventConstants":15,"./LocalEventTrapMixin":24,"./ReactBrowserComponentMixin":28,"./ReactCompositeComponent":33,"./ReactDOM":36}],40:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMIDOperations
* @typechecks static-only
*/
/*jslint evil: true */
"use strict";
var CSSPropertyOperations = _dereq_("./CSSPropertyOperations");
var DOMChildrenOperations = _dereq_("./DOMChildrenOperations");
var DOMPropertyOperations = _dereq_("./DOMPropertyOperations");
var ReactMount = _dereq_("./ReactMount");
var ReactPerf = _dereq_("./ReactPerf");
var invariant = _dereq_("./invariant");
var setInnerHTML = _dereq_("./setInnerHTML");
/**
* Errors for properties that should not be updated with `updatePropertyById()`.
*
* @type {object}
* @private
*/
var INVALID_PROPERTY_ERRORS = {
dangerouslySetInnerHTML:
'`dangerouslySetInnerHTML` must be set using `updateInnerHTMLByID()`.',
style: '`style` must be set using `updateStylesByID()`.'
};
/**
* Operations used to process updates to DOM nodes. This is made injectable via
* `ReactComponent.BackendIDOperations`.
*/
var ReactDOMIDOperations = {
/**
* Updates a DOM node with new property values. This should only be used to
* update DOM properties in `DOMProperty`.
*
* @param {string} id ID of the node to update.
* @param {string} name A valid property name, see `DOMProperty`.
* @param {*} value New value of the property.
* @internal
*/
updatePropertyByID: ReactPerf.measure(
'ReactDOMIDOperations',
'updatePropertyByID',
function(id, name, value) {
var node = ReactMount.getNode(id);
("production" !== "development" ? invariant(
!INVALID_PROPERTY_ERRORS.hasOwnProperty(name),
'updatePropertyByID(...): %s',
INVALID_PROPERTY_ERRORS[name]
) : invariant(!INVALID_PROPERTY_ERRORS.hasOwnProperty(name)));
// If we're updating to null or undefined, we should remove the property
// from the DOM node instead of inadvertantly setting to a string. This
// brings us in line with the same behavior we have on initial render.
if (value != null) {
DOMPropertyOperations.setValueForProperty(node, name, value);
} else {
DOMPropertyOperations.deleteValueForProperty(node, name);
}
}
),
/**
* Updates a DOM node to remove a property. This should only be used to remove
* DOM properties in `DOMProperty`.
*
* @param {string} id ID of the node to update.
* @param {string} name A property name to remove, see `DOMProperty`.
* @internal
*/
deletePropertyByID: ReactPerf.measure(
'ReactDOMIDOperations',
'deletePropertyByID',
function(id, name, value) {
var node = ReactMount.getNode(id);
("production" !== "development" ? invariant(
!INVALID_PROPERTY_ERRORS.hasOwnProperty(name),
'updatePropertyByID(...): %s',
INVALID_PROPERTY_ERRORS[name]
) : invariant(!INVALID_PROPERTY_ERRORS.hasOwnProperty(name)));
DOMPropertyOperations.deleteValueForProperty(node, name, value);
}
),
/**
* Updates a DOM node with new style values. If a value is specified as '',
* the corresponding style property will be unset.
*
* @param {string} id ID of the node to update.
* @param {object} styles Mapping from styles to values.
* @internal
*/
updateStylesByID: ReactPerf.measure(
'ReactDOMIDOperations',
'updateStylesByID',
function(id, styles) {
var node = ReactMount.getNode(id);
CSSPropertyOperations.setValueForStyles(node, styles);
}
),
/**
* Updates a DOM node's innerHTML.
*
* @param {string} id ID of the node to update.
* @param {string} html An HTML string.
* @internal
*/
updateInnerHTMLByID: ReactPerf.measure(
'ReactDOMIDOperations',
'updateInnerHTMLByID',
function(id, html) {
var node = ReactMount.getNode(id);
setInnerHTML(node, html);
}
),
/**
* Updates a DOM node's text content set by `props.content`.
*
* @param {string} id ID of the node to update.
* @param {string} content Text content.
* @internal
*/
updateTextContentByID: ReactPerf.measure(
'ReactDOMIDOperations',
'updateTextContentByID',
function(id, content) {
var node = ReactMount.getNode(id);
DOMChildrenOperations.updateTextContent(node, content);
}
),
/**
* Replaces a DOM node that exists in the document with markup.
*
* @param {string} id ID of child to be replaced.
* @param {string} markup Dangerous markup to inject in place of child.
* @internal
* @see {Danger.dangerouslyReplaceNodeWithMarkup}
*/
dangerouslyReplaceNodeWithMarkupByID: ReactPerf.measure(
'ReactDOMIDOperations',
'dangerouslyReplaceNodeWithMarkupByID',
function(id, markup) {
var node = ReactMount.getNode(id);
DOMChildrenOperations.dangerouslyReplaceNodeWithMarkup(node, markup);
}
),
/**
* Updates a component's children by processing a series of updates.
*
* @param {array<object>} updates List of update configurations.
* @param {array<string>} markup List of markup strings.
* @internal
*/
dangerouslyProcessChildrenUpdates: ReactPerf.measure(
'ReactDOMIDOperations',
'dangerouslyProcessChildrenUpdates',
function(updates, markup) {
for (var i = 0; i < updates.length; i++) {
updates[i].parentNode = ReactMount.getNode(updates[i].parentID);
}
DOMChildrenOperations.processUpdates(updates, markup);
}
)
};
module.exports = ReactDOMIDOperations;
},{"./CSSPropertyOperations":4,"./DOMChildrenOperations":9,"./DOMPropertyOperations":11,"./ReactMount":61,"./ReactPerf":65,"./invariant":120,"./setInnerHTML":138}],41:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMImg
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var LocalEventTrapMixin = _dereq_("./LocalEventTrapMixin");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
// Store a reference to the <img> `ReactDOMComponent`.
var img = ReactDOM.img;
/**
* Since onLoad doesn't bubble OR capture on the top level in IE8, we need to
* capture it on the <img> element itself. There are lots of hacks we could do
* to accomplish this, but the most reliable is to make <img> a composite
* component and use `componentDidMount` to attach the event handlers.
*/
var ReactDOMImg = ReactCompositeComponent.createClass({
displayName: 'ReactDOMImg',
tagName: 'IMG',
mixins: [ReactBrowserComponentMixin, LocalEventTrapMixin],
render: function() {
return img(this.props);
},
componentDidMount: function() {
this.trapBubbledEvent(EventConstants.topLevelTypes.topLoad, 'load');
this.trapBubbledEvent(EventConstants.topLevelTypes.topError, 'error');
}
});
module.exports = ReactDOMImg;
},{"./EventConstants":15,"./LocalEventTrapMixin":24,"./ReactBrowserComponentMixin":28,"./ReactCompositeComponent":33,"./ReactDOM":36}],42:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMInput
*/
"use strict";
var AutoFocusMixin = _dereq_("./AutoFocusMixin");
var DOMPropertyOperations = _dereq_("./DOMPropertyOperations");
var LinkedValueUtils = _dereq_("./LinkedValueUtils");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
var ReactMount = _dereq_("./ReactMount");
var invariant = _dereq_("./invariant");
var merge = _dereq_("./merge");
// Store a reference to the <input> `ReactDOMComponent`.
var input = ReactDOM.input;
var instancesByReactID = {};
/**
* Implements an <input> native component that allows setting these optional
* props: `checked`, `value`, `defaultChecked`, and `defaultValue`.
*
* If `checked` or `value` are not supplied (or null/undefined), user actions
* that affect the checked state or value will trigger updates to the element.
*
* If they are supplied (and not null/undefined), the rendered element will not
* trigger updates to the element. Instead, the props must change in order for
* the rendered element to be updated.
*
* The rendered element will be initialized as unchecked (or `defaultChecked`)
* with an empty value (or `defaultValue`).
*
* @see http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html
*/
var ReactDOMInput = ReactCompositeComponent.createClass({
displayName: 'ReactDOMInput',
mixins: [AutoFocusMixin, LinkedValueUtils.Mixin, ReactBrowserComponentMixin],
getInitialState: function() {
var defaultValue = this.props.defaultValue;
return {
checked: this.props.defaultChecked || false,
value: defaultValue != null ? defaultValue : null
};
},
shouldComponentUpdate: function() {
// Defer any updates to this component during the `onChange` handler.
return !this._isChanging;
},
render: function() {
// Clone `this.props` so we don't mutate the input.
var props = merge(this.props);
props.defaultChecked = null;
props.defaultValue = null;
var value = LinkedValueUtils.getValue(this);
props.value = value != null ? value : this.state.value;
var checked = LinkedValueUtils.getChecked(this);
props.checked = checked != null ? checked : this.state.checked;
props.onChange = this._handleChange;
return input(props, this.props.children);
},
componentDidMount: function() {
var id = ReactMount.getID(this.getDOMNode());
instancesByReactID[id] = this;
},
componentWillUnmount: function() {
var rootNode = this.getDOMNode();
var id = ReactMount.getID(rootNode);
delete instancesByReactID[id];
},
componentDidUpdate: function(prevProps, prevState, prevContext) {
var rootNode = this.getDOMNode();
if (this.props.checked != null) {
DOMPropertyOperations.setValueForProperty(
rootNode,
'checked',
this.props.checked || false
);
}
var value = LinkedValueUtils.getValue(this);
if (value != null) {
// Cast `value` to a string to ensure the value is set correctly. While
// browsers typically do this as necessary, jsdom doesn't.
DOMPropertyOperations.setValueForProperty(rootNode, 'value', '' + value);
}
},
_handleChange: function(event) {
var returnValue;
var onChange = LinkedValueUtils.getOnChange(this);
if (onChange) {
this._isChanging = true;
returnValue = onChange.call(this, event);
this._isChanging = false;
}
this.setState({
checked: event.target.checked,
value: event.target.value
});
var name = this.props.name;
if (this.props.type === 'radio' && name != null) {
var rootNode = this.getDOMNode();
var queryRoot = rootNode;
while (queryRoot.parentNode) {
queryRoot = queryRoot.parentNode;
}
// If `rootNode.form` was non-null, then we could try `form.elements`,
// but that sometimes behaves strangely in IE8. We could also try using
// `form.getElementsByName`, but that will only return direct children
// and won't include inputs that use the HTML5 `form=` attribute. Since
// the input might not even be in a form, let's just use the global
// `querySelectorAll` to ensure we don't miss anything.
var group = queryRoot.querySelectorAll(
'input[name=' + JSON.stringify('' + name) + '][type="radio"]');
for (var i = 0, groupLen = group.length; i < groupLen; i++) {
var otherNode = group[i];
if (otherNode === rootNode ||
otherNode.form !== rootNode.form) {
continue;
}
var otherID = ReactMount.getID(otherNode);
("production" !== "development" ? invariant(
otherID,
'ReactDOMInput: Mixing React and non-React radio inputs with the ' +
'same `name` is not supported.'
) : invariant(otherID));
var otherInstance = instancesByReactID[otherID];
("production" !== "development" ? invariant(
otherInstance,
'ReactDOMInput: Unknown radio button ID %s.',
otherID
) : invariant(otherInstance));
// In some cases, this will actually change the `checked` state value.
// In other cases, there's no change but this forces a reconcile upon
// which componentDidUpdate will reset the DOM property to whatever it
// should be.
otherInstance.setState({
checked: false
});
}
}
return returnValue;
}
});
module.exports = ReactDOMInput;
},{"./AutoFocusMixin":1,"./DOMPropertyOperations":11,"./LinkedValueUtils":23,"./ReactBrowserComponentMixin":28,"./ReactCompositeComponent":33,"./ReactDOM":36,"./ReactMount":61,"./invariant":120,"./merge":130}],43:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMOption
*/
"use strict";
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
var warning = _dereq_("./warning");
// Store a reference to the <option> `ReactDOMComponent`.
var option = ReactDOM.option;
/**
* Implements an <option> native component that warns when `selected` is set.
*/
var ReactDOMOption = ReactCompositeComponent.createClass({
displayName: 'ReactDOMOption',
mixins: [ReactBrowserComponentMixin],
componentWillMount: function() {
// TODO (yungsters): Remove support for `selected` in <option>.
if ("production" !== "development") {
("production" !== "development" ? warning(
this.props.selected == null,
'Use the `defaultValue` or `value` props on <select> instead of ' +
'setting `selected` on <option>.'
) : null);
}
},
render: function() {
return option(this.props, this.props.children);
}
});
module.exports = ReactDOMOption;
},{"./ReactBrowserComponentMixin":28,"./ReactCompositeComponent":33,"./ReactDOM":36,"./warning":143}],44:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMSelect
*/
"use strict";
var AutoFocusMixin = _dereq_("./AutoFocusMixin");
var LinkedValueUtils = _dereq_("./LinkedValueUtils");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
var merge = _dereq_("./merge");
// Store a reference to the <select> `ReactDOMComponent`.
var select = ReactDOM.select;
/**
* Validation function for `value` and `defaultValue`.
* @private
*/
function selectValueType(props, propName, componentName) {
if (props[propName] == null) {
return;
}
if (props.multiple) {
if (!Array.isArray(props[propName])) {
return new Error(
("The `" + propName + "` prop supplied to <select> must be an array if ") +
("`multiple` is true.")
);
}
} else {
if (Array.isArray(props[propName])) {
return new Error(
("The `" + propName + "` prop supplied to <select> must be a scalar ") +
("value if `multiple` is false.")
);
}
}
}
/**
* If `value` is supplied, updates <option> elements on mount and update.
* @param {ReactComponent} component Instance of ReactDOMSelect
* @param {?*} propValue For uncontrolled components, null/undefined. For
* controlled components, a string (or with `multiple`, a list of strings).
* @private
*/
function updateOptions(component, propValue) {
var multiple = component.props.multiple;
var value = propValue != null ? propValue : component.state.value;
var options = component.getDOMNode().options;
var selectedValue, i, l;
if (multiple) {
selectedValue = {};
for (i = 0, l = value.length; i < l; ++i) {
selectedValue['' + value[i]] = true;
}
} else {
selectedValue = '' + value;
}
for (i = 0, l = options.length; i < l; i++) {
var selected = multiple ?
selectedValue.hasOwnProperty(options[i].value) :
options[i].value === selectedValue;
if (selected !== options[i].selected) {
options[i].selected = selected;
}
}
}
/**
* Implements a <select> native component that allows optionally setting the
* props `value` and `defaultValue`. If `multiple` is false, the prop must be a
* string. If `multiple` is true, the prop must be an array of strings.
*
* If `value` is not supplied (or null/undefined), user actions that change the
* selected option will trigger updates to the rendered options.
*
* If it is supplied (and not null/undefined), the rendered options will not
* update in response to user actions. Instead, the `value` prop must change in
* order for the rendered options to update.
*
* If `defaultValue` is provided, any options with the supplied values will be
* selected.
*/
var ReactDOMSelect = ReactCompositeComponent.createClass({
displayName: 'ReactDOMSelect',
mixins: [AutoFocusMixin, LinkedValueUtils.Mixin, ReactBrowserComponentMixin],
propTypes: {
defaultValue: selectValueType,
value: selectValueType
},
getInitialState: function() {
return {value: this.props.defaultValue || (this.props.multiple ? [] : '')};
},
componentWillReceiveProps: function(nextProps) {
if (!this.props.multiple && nextProps.multiple) {
this.setState({value: [this.state.value]});
} else if (this.props.multiple && !nextProps.multiple) {
this.setState({value: this.state.value[0]});
}
},
shouldComponentUpdate: function() {
// Defer any updates to this component during the `onChange` handler.
return !this._isChanging;
},
render: function() {
// Clone `this.props` so we don't mutate the input.
var props = merge(this.props);
props.onChange = this._handleChange;
props.value = null;
return select(props, this.props.children);
},
componentDidMount: function() {
updateOptions(this, LinkedValueUtils.getValue(this));
},
componentDidUpdate: function(prevProps) {
var value = LinkedValueUtils.getValue(this);
var prevMultiple = !!prevProps.multiple;
var multiple = !!this.props.multiple;
if (value != null || prevMultiple !== multiple) {
updateOptions(this, value);
}
},
_handleChange: function(event) {
var returnValue;
var onChange = LinkedValueUtils.getOnChange(this);
if (onChange) {
this._isChanging = true;
returnValue = onChange.call(this, event);
this._isChanging = false;
}
var selectedValue;
if (this.props.multiple) {
selectedValue = [];
var options = event.target.options;
for (var i = 0, l = options.length; i < l; i++) {
if (options[i].selected) {
selectedValue.push(options[i].value);
}
}
} else {
selectedValue = event.target.value;
}
this.setState({value: selectedValue});
return returnValue;
}
});
module.exports = ReactDOMSelect;
},{"./AutoFocusMixin":1,"./LinkedValueUtils":23,"./ReactBrowserComponentMixin":28,"./ReactCompositeComponent":33,"./ReactDOM":36,"./merge":130}],45:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMSelection
*/
"use strict";
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var getNodeForCharacterOffset = _dereq_("./getNodeForCharacterOffset");
var getTextContentAccessor = _dereq_("./getTextContentAccessor");
/**
* While `isCollapsed` is available on the Selection object and `collapsed`
* is available on the Range object, IE11 sometimes gets them wrong.
* If the anchor/focus nodes and offsets are the same, the range is collapsed.
*/
function isCollapsed(anchorNode, anchorOffset, focusNode, focusOffset) {
return anchorNode === focusNode && anchorOffset === focusOffset;
}
/**
* Get the appropriate anchor and focus node/offset pairs for IE.
*
* The catch here is that IE's selection API doesn't provide information
* about whether the selection is forward or backward, so we have to
* behave as though it's always forward.
*
* IE text differs from modern selection in that it behaves as though
* block elements end with a new line. This means character offsets will
* differ between the two APIs.
*
* @param {DOMElement} node
* @return {object}
*/
function getIEOffsets(node) {
var selection = document.selection;
var selectedRange = selection.createRange();
var selectedLength = selectedRange.text.length;
// Duplicate selection so we can move range without breaking user selection.
var fromStart = selectedRange.duplicate();
fromStart.moveToElementText(node);
fromStart.setEndPoint('EndToStart', selectedRange);
var startOffset = fromStart.text.length;
var endOffset = startOffset + selectedLength;
return {
start: startOffset,
end: endOffset
};
}
/**
* @param {DOMElement} node
* @return {?object}
*/
function getModernOffsets(node) {
var selection = window.getSelection();
if (selection.rangeCount === 0) {
return null;
}
var anchorNode = selection.anchorNode;
var anchorOffset = selection.anchorOffset;
var focusNode = selection.focusNode;
var focusOffset = selection.focusOffset;
var currentRange = selection.getRangeAt(0);
// If the node and offset values are the same, the selection is collapsed.
// `Selection.isCollapsed` is available natively, but IE sometimes gets
// this value wrong.
var isSelectionCollapsed = isCollapsed(
selection.anchorNode,
selection.anchorOffset,
selection.focusNode,
selection.focusOffset
);
var rangeLength = isSelectionCollapsed ? 0 : currentRange.toString().length;
var tempRange = currentRange.cloneRange();
tempRange.selectNodeContents(node);
tempRange.setEnd(currentRange.startContainer, currentRange.startOffset);
var isTempRangeCollapsed = isCollapsed(
tempRange.startContainer,
tempRange.startOffset,
tempRange.endContainer,
tempRange.endOffset
);
var start = isTempRangeCollapsed ? 0 : tempRange.toString().length;
var end = start + rangeLength;
// Detect whether the selection is backward.
var detectionRange = document.createRange();
detectionRange.setStart(anchorNode, anchorOffset);
detectionRange.setEnd(focusNode, focusOffset);
var isBackward = detectionRange.collapsed;
detectionRange.detach();
return {
start: isBackward ? end : start,
end: isBackward ? start : end
};
}
/**
* @param {DOMElement|DOMTextNode} node
* @param {object} offsets
*/
function setIEOffsets(node, offsets) {
var range = document.selection.createRange().duplicate();
var start, end;
if (typeof offsets.end === 'undefined') {
start = offsets.start;
end = start;
} else if (offsets.start > offsets.end) {
start = offsets.end;
end = offsets.start;
} else {
start = offsets.start;
end = offsets.end;
}
range.moveToElementText(node);
range.moveStart('character', start);
range.setEndPoint('EndToStart', range);
range.moveEnd('character', end - start);
range.select();
}
/**
* In modern non-IE browsers, we can support both forward and backward
* selections.
*
* Note: IE10+ supports the Selection object, but it does not support
* the `extend` method, which means that even in modern IE, it's not possible
* to programatically create a backward selection. Thus, for all IE
* versions, we use the old IE API to create our selections.
*
* @param {DOMElement|DOMTextNode} node
* @param {object} offsets
*/
function setModernOffsets(node, offsets) {
var selection = window.getSelection();
var length = node[getTextContentAccessor()].length;
var start = Math.min(offsets.start, length);
var end = typeof offsets.end === 'undefined' ?
start : Math.min(offsets.end, length);
// IE 11 uses modern selection, but doesn't support the extend method.
// Flip backward selections, so we can set with a single range.
if (!selection.extend && start > end) {
var temp = end;
end = start;
start = temp;
}
var startMarker = getNodeForCharacterOffset(node, start);
var endMarker = getNodeForCharacterOffset(node, end);
if (startMarker && endMarker) {
var range = document.createRange();
range.setStart(startMarker.node, startMarker.offset);
selection.removeAllRanges();
if (start > end) {
selection.addRange(range);
selection.extend(endMarker.node, endMarker.offset);
} else {
range.setEnd(endMarker.node, endMarker.offset);
selection.addRange(range);
}
range.detach();
}
}
var useIEOffsets = ExecutionEnvironment.canUseDOM && document.selection;
var ReactDOMSelection = {
/**
* @param {DOMElement} node
*/
getOffsets: useIEOffsets ? getIEOffsets : getModernOffsets,
/**
* @param {DOMElement|DOMTextNode} node
* @param {object} offsets
*/
setOffsets: useIEOffsets ? setIEOffsets : setModernOffsets
};
module.exports = ReactDOMSelection;
},{"./ExecutionEnvironment":21,"./getNodeForCharacterOffset":113,"./getTextContentAccessor":115}],46:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDOMTextarea
*/
"use strict";
var AutoFocusMixin = _dereq_("./AutoFocusMixin");
var DOMPropertyOperations = _dereq_("./DOMPropertyOperations");
var LinkedValueUtils = _dereq_("./LinkedValueUtils");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
var invariant = _dereq_("./invariant");
var merge = _dereq_("./merge");
var warning = _dereq_("./warning");
// Store a reference to the <textarea> `ReactDOMComponent`.
var textarea = ReactDOM.textarea;
/**
* Implements a <textarea> native component that allows setting `value`, and
* `defaultValue`. This differs from the traditional DOM API because value is
* usually set as PCDATA children.
*
* If `value` is not supplied (or null/undefined), user actions that affect the
* value will trigger updates to the element.
*
* If `value` is supplied (and not null/undefined), the rendered element will
* not trigger updates to the element. Instead, the `value` prop must change in
* order for the rendered element to be updated.
*
* The rendered element will be initialized with an empty value, the prop
* `defaultValue` if specified, or the children content (deprecated).
*/
var ReactDOMTextarea = ReactCompositeComponent.createClass({
displayName: 'ReactDOMTextarea',
mixins: [AutoFocusMixin, LinkedValueUtils.Mixin, ReactBrowserComponentMixin],
getInitialState: function() {
var defaultValue = this.props.defaultValue;
// TODO (yungsters): Remove support for children content in <textarea>.
var children = this.props.children;
if (children != null) {
if ("production" !== "development") {
("production" !== "development" ? warning(
false,
'Use the `defaultValue` or `value` props instead of setting ' +
'children on <textarea>.'
) : null);
}
("production" !== "development" ? invariant(
defaultValue == null,
'If you supply `defaultValue` on a <textarea>, do not pass children.'
) : invariant(defaultValue == null));
if (Array.isArray(children)) {
("production" !== "development" ? invariant(
children.length <= 1,
'<textarea> can only have at most one child.'
) : invariant(children.length <= 1));
children = children[0];
}
defaultValue = '' + children;
}
if (defaultValue == null) {
defaultValue = '';
}
var value = LinkedValueUtils.getValue(this);
return {
// We save the initial value so that `ReactDOMComponent` doesn't update
// `textContent` (unnecessary since we update value).
// The initial value can be a boolean or object so that's why it's
// forced to be a string.
initialValue: '' + (value != null ? value : defaultValue)
};
},
shouldComponentUpdate: function() {
// Defer any updates to this component during the `onChange` handler.
return !this._isChanging;
},
render: function() {
// Clone `this.props` so we don't mutate the input.
var props = merge(this.props);
("production" !== "development" ? invariant(
props.dangerouslySetInnerHTML == null,
'`dangerouslySetInnerHTML` does not make sense on <textarea>.'
) : invariant(props.dangerouslySetInnerHTML == null));
props.defaultValue = null;
props.value = null;
props.onChange = this._handleChange;
// Always set children to the same thing. In IE9, the selection range will
// get reset if `textContent` is mutated.
return textarea(props, this.state.initialValue);
},
componentDidUpdate: function(prevProps, prevState, prevContext) {
var value = LinkedValueUtils.getValue(this);
if (value != null) {
var rootNode = this.getDOMNode();
// Cast `value` to a string to ensure the value is set correctly. While
// browsers typically do this as necessary, jsdom doesn't.
DOMPropertyOperations.setValueForProperty(rootNode, 'value', '' + value);
}
},
_handleChange: function(event) {
var returnValue;
var onChange = LinkedValueUtils.getOnChange(this);
if (onChange) {
this._isChanging = true;
returnValue = onChange.call(this, event);
this._isChanging = false;
}
this.setState({value: event.target.value});
return returnValue;
}
});
module.exports = ReactDOMTextarea;
},{"./AutoFocusMixin":1,"./DOMPropertyOperations":11,"./LinkedValueUtils":23,"./ReactBrowserComponentMixin":28,"./ReactCompositeComponent":33,"./ReactDOM":36,"./invariant":120,"./merge":130,"./warning":143}],47:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDefaultBatchingStrategy
*/
"use strict";
var ReactUpdates = _dereq_("./ReactUpdates");
var Transaction = _dereq_("./Transaction");
var emptyFunction = _dereq_("./emptyFunction");
var mixInto = _dereq_("./mixInto");
var RESET_BATCHED_UPDATES = {
initialize: emptyFunction,
close: function() {
ReactDefaultBatchingStrategy.isBatchingUpdates = false;
}
};
var FLUSH_BATCHED_UPDATES = {
initialize: emptyFunction,
close: ReactUpdates.flushBatchedUpdates.bind(ReactUpdates)
};
var TRANSACTION_WRAPPERS = [FLUSH_BATCHED_UPDATES, RESET_BATCHED_UPDATES];
function ReactDefaultBatchingStrategyTransaction() {
this.reinitializeTransaction();
}
mixInto(ReactDefaultBatchingStrategyTransaction, Transaction.Mixin);
mixInto(ReactDefaultBatchingStrategyTransaction, {
getTransactionWrappers: function() {
return TRANSACTION_WRAPPERS;
}
});
var transaction = new ReactDefaultBatchingStrategyTransaction();
var ReactDefaultBatchingStrategy = {
isBatchingUpdates: false,
/**
* Call the provided function in a context within which calls to `setState`
* and friends are batched such that components aren't updated unnecessarily.
*/
batchedUpdates: function(callback, a, b) {
var alreadyBatchingUpdates = ReactDefaultBatchingStrategy.isBatchingUpdates;
ReactDefaultBatchingStrategy.isBatchingUpdates = true;
// The code is written this way to avoid extra allocations
if (alreadyBatchingUpdates) {
callback(a, b);
} else {
transaction.perform(callback, null, a, b);
}
}
};
module.exports = ReactDefaultBatchingStrategy;
},{"./ReactUpdates":76,"./Transaction":92,"./emptyFunction":102,"./mixInto":133}],48:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDefaultInjection
*/
"use strict";
var BeforeInputEventPlugin = _dereq_("./BeforeInputEventPlugin");
var ChangeEventPlugin = _dereq_("./ChangeEventPlugin");
var ClientReactRootIndex = _dereq_("./ClientReactRootIndex");
var CompositionEventPlugin = _dereq_("./CompositionEventPlugin");
var DefaultEventPluginOrder = _dereq_("./DefaultEventPluginOrder");
var EnterLeaveEventPlugin = _dereq_("./EnterLeaveEventPlugin");
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var HTMLDOMPropertyConfig = _dereq_("./HTMLDOMPropertyConfig");
var MobileSafariClickEventPlugin = _dereq_("./MobileSafariClickEventPlugin");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactComponentBrowserEnvironment =
_dereq_("./ReactComponentBrowserEnvironment");
var ReactDefaultBatchingStrategy = _dereq_("./ReactDefaultBatchingStrategy");
var ReactDOM = _dereq_("./ReactDOM");
var ReactDOMButton = _dereq_("./ReactDOMButton");
var ReactDOMForm = _dereq_("./ReactDOMForm");
var ReactDOMImg = _dereq_("./ReactDOMImg");
var ReactDOMInput = _dereq_("./ReactDOMInput");
var ReactDOMOption = _dereq_("./ReactDOMOption");
var ReactDOMSelect = _dereq_("./ReactDOMSelect");
var ReactDOMTextarea = _dereq_("./ReactDOMTextarea");
var ReactEventListener = _dereq_("./ReactEventListener");
var ReactInjection = _dereq_("./ReactInjection");
var ReactInstanceHandles = _dereq_("./ReactInstanceHandles");
var ReactMount = _dereq_("./ReactMount");
var SelectEventPlugin = _dereq_("./SelectEventPlugin");
var ServerReactRootIndex = _dereq_("./ServerReactRootIndex");
var SimpleEventPlugin = _dereq_("./SimpleEventPlugin");
var SVGDOMPropertyConfig = _dereq_("./SVGDOMPropertyConfig");
var createFullPageComponent = _dereq_("./createFullPageComponent");
function inject() {
ReactInjection.EventEmitter.injectReactEventListener(
ReactEventListener
);
/**
* Inject modules for resolving DOM hierarchy and plugin ordering.
*/
ReactInjection.EventPluginHub.injectEventPluginOrder(DefaultEventPluginOrder);
ReactInjection.EventPluginHub.injectInstanceHandle(ReactInstanceHandles);
ReactInjection.EventPluginHub.injectMount(ReactMount);
/**
* Some important event plugins included by default (without having to require
* them).
*/
ReactInjection.EventPluginHub.injectEventPluginsByName({
SimpleEventPlugin: SimpleEventPlugin,
EnterLeaveEventPlugin: EnterLeaveEventPlugin,
ChangeEventPlugin: ChangeEventPlugin,
CompositionEventPlugin: CompositionEventPlugin,
MobileSafariClickEventPlugin: MobileSafariClickEventPlugin,
SelectEventPlugin: SelectEventPlugin,
BeforeInputEventPlugin: BeforeInputEventPlugin
});
ReactInjection.DOM.injectComponentClasses({
button: ReactDOMButton,
form: ReactDOMForm,
img: ReactDOMImg,
input: ReactDOMInput,
option: ReactDOMOption,
select: ReactDOMSelect,
textarea: ReactDOMTextarea,
html: createFullPageComponent(ReactDOM.html),
head: createFullPageComponent(ReactDOM.head),
body: createFullPageComponent(ReactDOM.body)
});
// This needs to happen after createFullPageComponent() otherwise the mixin
// gets double injected.
ReactInjection.CompositeComponent.injectMixin(ReactBrowserComponentMixin);
ReactInjection.DOMProperty.injectDOMPropertyConfig(HTMLDOMPropertyConfig);
ReactInjection.DOMProperty.injectDOMPropertyConfig(SVGDOMPropertyConfig);
ReactInjection.EmptyComponent.injectEmptyComponent(ReactDOM.noscript);
ReactInjection.Updates.injectReconcileTransaction(
ReactComponentBrowserEnvironment.ReactReconcileTransaction
);
ReactInjection.Updates.injectBatchingStrategy(
ReactDefaultBatchingStrategy
);
ReactInjection.RootIndex.injectCreateReactRootIndex(
ExecutionEnvironment.canUseDOM ?
ClientReactRootIndex.createReactRootIndex :
ServerReactRootIndex.createReactRootIndex
);
ReactInjection.Component.injectEnvironment(ReactComponentBrowserEnvironment);
if ("production" !== "development") {
var url = (ExecutionEnvironment.canUseDOM && window.location.href) || '';
if ((/[?&]react_perf\b/).test(url)) {
var ReactDefaultPerf = _dereq_("./ReactDefaultPerf");
ReactDefaultPerf.start();
}
}
}
module.exports = {
inject: inject
};
},{"./BeforeInputEventPlugin":2,"./ChangeEventPlugin":6,"./ClientReactRootIndex":7,"./CompositionEventPlugin":8,"./DefaultEventPluginOrder":13,"./EnterLeaveEventPlugin":14,"./ExecutionEnvironment":21,"./HTMLDOMPropertyConfig":22,"./MobileSafariClickEventPlugin":25,"./ReactBrowserComponentMixin":28,"./ReactComponentBrowserEnvironment":32,"./ReactDOM":36,"./ReactDOMButton":37,"./ReactDOMForm":39,"./ReactDOMImg":41,"./ReactDOMInput":42,"./ReactDOMOption":43,"./ReactDOMSelect":44,"./ReactDOMTextarea":46,"./ReactDefaultBatchingStrategy":47,"./ReactDefaultPerf":49,"./ReactEventListener":56,"./ReactInjection":57,"./ReactInstanceHandles":59,"./ReactMount":61,"./SVGDOMPropertyConfig":77,"./SelectEventPlugin":78,"./ServerReactRootIndex":79,"./SimpleEventPlugin":80,"./createFullPageComponent":99}],49:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDefaultPerf
* @typechecks static-only
*/
"use strict";
var DOMProperty = _dereq_("./DOMProperty");
var ReactDefaultPerfAnalysis = _dereq_("./ReactDefaultPerfAnalysis");
var ReactMount = _dereq_("./ReactMount");
var ReactPerf = _dereq_("./ReactPerf");
var performanceNow = _dereq_("./performanceNow");
function roundFloat(val) {
return Math.floor(val * 100) / 100;
}
function addValue(obj, key, val) {
obj[key] = (obj[key] || 0) + val;
}
var ReactDefaultPerf = {
_allMeasurements: [], // last item in the list is the current one
_mountStack: [0],
_injected: false,
start: function() {
if (!ReactDefaultPerf._injected) {
ReactPerf.injection.injectMeasure(ReactDefaultPerf.measure);
}
ReactDefaultPerf._allMeasurements.length = 0;
ReactPerf.enableMeasure = true;
},
stop: function() {
ReactPerf.enableMeasure = false;
},
getLastMeasurements: function() {
return ReactDefaultPerf._allMeasurements;
},
printExclusive: function(measurements) {
measurements = measurements || ReactDefaultPerf._allMeasurements;
var summary = ReactDefaultPerfAnalysis.getExclusiveSummary(measurements);
console.table(summary.map(function(item) {
return {
'Component class name': item.componentName,
'Total inclusive time (ms)': roundFloat(item.inclusive),
'Exclusive mount time (ms)': roundFloat(item.exclusive),
'Exclusive render time (ms)': roundFloat(item.render),
'Mount time per instance (ms)': roundFloat(item.exclusive / item.count),
'Render time per instance (ms)': roundFloat(item.render / item.count),
'Instances': item.count
};
}));
// TODO: ReactDefaultPerfAnalysis.getTotalTime() does not return the correct
// number.
},
printInclusive: function(measurements) {
measurements = measurements || ReactDefaultPerf._allMeasurements;
var summary = ReactDefaultPerfAnalysis.getInclusiveSummary(measurements);
console.table(summary.map(function(item) {
return {
'Owner > component': item.componentName,
'Inclusive time (ms)': roundFloat(item.time),
'Instances': item.count
};
}));
console.log(
'Total time:',
ReactDefaultPerfAnalysis.getTotalTime(measurements).toFixed(2) + ' ms'
);
},
printWasted: function(measurements) {
measurements = measurements || ReactDefaultPerf._allMeasurements;
var summary = ReactDefaultPerfAnalysis.getInclusiveSummary(
measurements,
true
);
console.table(summary.map(function(item) {
return {
'Owner > component': item.componentName,
'Wasted time (ms)': item.time,
'Instances': item.count
};
}));
console.log(
'Total time:',
ReactDefaultPerfAnalysis.getTotalTime(measurements).toFixed(2) + ' ms'
);
},
printDOM: function(measurements) {
measurements = measurements || ReactDefaultPerf._allMeasurements;
var summary = ReactDefaultPerfAnalysis.getDOMSummary(measurements);
console.table(summary.map(function(item) {
var result = {};
result[DOMProperty.ID_ATTRIBUTE_NAME] = item.id;
result['type'] = item.type;
result['args'] = JSON.stringify(item.args);
return result;
}));
console.log(
'Total time:',
ReactDefaultPerfAnalysis.getTotalTime(measurements).toFixed(2) + ' ms'
);
},
_recordWrite: function(id, fnName, totalTime, args) {
// TODO: totalTime isn't that useful since it doesn't count paints/reflows
var writes =
ReactDefaultPerf
._allMeasurements[ReactDefaultPerf._allMeasurements.length - 1]
.writes;
writes[id] = writes[id] || [];
writes[id].push({
type: fnName,
time: totalTime,
args: args
});
},
measure: function(moduleName, fnName, func) {
return function() {var args=Array.prototype.slice.call(arguments,0);
var totalTime;
var rv;
var start;
if (fnName === '_renderNewRootComponent' ||
fnName === 'flushBatchedUpdates') {
// A "measurement" is a set of metrics recorded for each flush. We want
// to group the metrics for a given flush together so we can look at the
// components that rendered and the DOM operations that actually
// happened to determine the amount of "wasted work" performed.
ReactDefaultPerf._allMeasurements.push({
exclusive: {},
inclusive: {},
render: {},
counts: {},
writes: {},
displayNames: {},
totalTime: 0
});
start = performanceNow();
rv = func.apply(this, args);
ReactDefaultPerf._allMeasurements[
ReactDefaultPerf._allMeasurements.length - 1
].totalTime = performanceNow() - start;
return rv;
} else if (moduleName === 'ReactDOMIDOperations' ||
moduleName === 'ReactComponentBrowserEnvironment') {
start = performanceNow();
rv = func.apply(this, args);
totalTime = performanceNow() - start;
if (fnName === 'mountImageIntoNode') {
var mountID = ReactMount.getID(args[1]);
ReactDefaultPerf._recordWrite(mountID, fnName, totalTime, args[0]);
} else if (fnName === 'dangerouslyProcessChildrenUpdates') {
// special format
args[0].forEach(function(update) {
var writeArgs = {};
if (update.fromIndex !== null) {
writeArgs.fromIndex = update.fromIndex;
}
if (update.toIndex !== null) {
writeArgs.toIndex = update.toIndex;
}
if (update.textContent !== null) {
writeArgs.textContent = update.textContent;
}
if (update.markupIndex !== null) {
writeArgs.markup = args[1][update.markupIndex];
}
ReactDefaultPerf._recordWrite(
update.parentID,
update.type,
totalTime,
writeArgs
);
});
} else {
// basic format
ReactDefaultPerf._recordWrite(
args[0],
fnName,
totalTime,
Array.prototype.slice.call(args, 1)
);
}
return rv;
} else if (moduleName === 'ReactCompositeComponent' && (
fnName === 'mountComponent' ||
fnName === 'updateComponent' || // TODO: receiveComponent()?
fnName === '_renderValidatedComponent')) {
var rootNodeID = fnName === 'mountComponent' ?
args[0] :
this._rootNodeID;
var isRender = fnName === '_renderValidatedComponent';
var isMount = fnName === 'mountComponent';
var mountStack = ReactDefaultPerf._mountStack;
var entry = ReactDefaultPerf._allMeasurements[
ReactDefaultPerf._allMeasurements.length - 1
];
if (isRender) {
addValue(entry.counts, rootNodeID, 1);
} else if (isMount) {
mountStack.push(0);
}
start = performanceNow();
rv = func.apply(this, args);
totalTime = performanceNow() - start;
if (isRender) {
addValue(entry.render, rootNodeID, totalTime);
} else if (isMount) {
var subMountTime = mountStack.pop();
mountStack[mountStack.length - 1] += totalTime;
addValue(entry.exclusive, rootNodeID, totalTime - subMountTime);
addValue(entry.inclusive, rootNodeID, totalTime);
} else {
addValue(entry.inclusive, rootNodeID, totalTime);
}
entry.displayNames[rootNodeID] = {
current: this.constructor.displayName,
owner: this._owner ? this._owner.constructor.displayName : '<root>'
};
return rv;
} else {
return func.apply(this, args);
}
};
}
};
module.exports = ReactDefaultPerf;
},{"./DOMProperty":10,"./ReactDefaultPerfAnalysis":50,"./ReactMount":61,"./ReactPerf":65,"./performanceNow":137}],50:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDefaultPerfAnalysis
*/
var merge = _dereq_("./merge");
// Don't try to save users less than 1.2ms (a number I made up)
var DONT_CARE_THRESHOLD = 1.2;
var DOM_OPERATION_TYPES = {
'mountImageIntoNode': 'set innerHTML',
INSERT_MARKUP: 'set innerHTML',
MOVE_EXISTING: 'move',
REMOVE_NODE: 'remove',
TEXT_CONTENT: 'set textContent',
'updatePropertyByID': 'update attribute',
'deletePropertyByID': 'delete attribute',
'updateStylesByID': 'update styles',
'updateInnerHTMLByID': 'set innerHTML',
'dangerouslyReplaceNodeWithMarkupByID': 'replace'
};
function getTotalTime(measurements) {
// TODO: return number of DOM ops? could be misleading.
// TODO: measure dropped frames after reconcile?
// TODO: log total time of each reconcile and the top-level component
// class that triggered it.
var totalTime = 0;
for (var i = 0; i < measurements.length; i++) {
var measurement = measurements[i];
totalTime += measurement.totalTime;
}
return totalTime;
}
function getDOMSummary(measurements) {
var items = [];
for (var i = 0; i < measurements.length; i++) {
var measurement = measurements[i];
var id;
for (id in measurement.writes) {
measurement.writes[id].forEach(function(write) {
items.push({
id: id,
type: DOM_OPERATION_TYPES[write.type] || write.type,
args: write.args
});
});
}
}
return items;
}
function getExclusiveSummary(measurements) {
var candidates = {};
var displayName;
for (var i = 0; i < measurements.length; i++) {
var measurement = measurements[i];
var allIDs = merge(measurement.exclusive, measurement.inclusive);
for (var id in allIDs) {
displayName = measurement.displayNames[id].current;
candidates[displayName] = candidates[displayName] || {
componentName: displayName,
inclusive: 0,
exclusive: 0,
render: 0,
count: 0
};
if (measurement.render[id]) {
candidates[displayName].render += measurement.render[id];
}
if (measurement.exclusive[id]) {
candidates[displayName].exclusive += measurement.exclusive[id];
}
if (measurement.inclusive[id]) {
candidates[displayName].inclusive += measurement.inclusive[id];
}
if (measurement.counts[id]) {
candidates[displayName].count += measurement.counts[id];
}
}
}
// Now make a sorted array with the results.
var arr = [];
for (displayName in candidates) {
if (candidates[displayName].exclusive >= DONT_CARE_THRESHOLD) {
arr.push(candidates[displayName]);
}
}
arr.sort(function(a, b) {
return b.exclusive - a.exclusive;
});
return arr;
}
function getInclusiveSummary(measurements, onlyClean) {
var candidates = {};
var inclusiveKey;
for (var i = 0; i < measurements.length; i++) {
var measurement = measurements[i];
var allIDs = merge(measurement.exclusive, measurement.inclusive);
var cleanComponents;
if (onlyClean) {
cleanComponents = getUnchangedComponents(measurement);
}
for (var id in allIDs) {
if (onlyClean && !cleanComponents[id]) {
continue;
}
var displayName = measurement.displayNames[id];
// Inclusive time is not useful for many components without knowing where
// they are instantiated. So we aggregate inclusive time with both the
// owner and current displayName as the key.
inclusiveKey = displayName.owner + ' > ' + displayName.current;
candidates[inclusiveKey] = candidates[inclusiveKey] || {
componentName: inclusiveKey,
time: 0,
count: 0
};
if (measurement.inclusive[id]) {
candidates[inclusiveKey].time += measurement.inclusive[id];
}
if (measurement.counts[id]) {
candidates[inclusiveKey].count += measurement.counts[id];
}
}
}
// Now make a sorted array with the results.
var arr = [];
for (inclusiveKey in candidates) {
if (candidates[inclusiveKey].time >= DONT_CARE_THRESHOLD) {
arr.push(candidates[inclusiveKey]);
}
}
arr.sort(function(a, b) {
return b.time - a.time;
});
return arr;
}
function getUnchangedComponents(measurement) {
// For a given reconcile, look at which components did not actually
// render anything to the DOM and return a mapping of their ID to
// the amount of time it took to render the entire subtree.
var cleanComponents = {};
var dirtyLeafIDs = Object.keys(measurement.writes);
var allIDs = merge(measurement.exclusive, measurement.inclusive);
for (var id in allIDs) {
var isDirty = false;
// For each component that rendered, see if a component that triggerd
// a DOM op is in its subtree.
for (var i = 0; i < dirtyLeafIDs.length; i++) {
if (dirtyLeafIDs[i].indexOf(id) === 0) {
isDirty = true;
break;
}
}
if (!isDirty && measurement.counts[id] > 0) {
cleanComponents[id] = true;
}
}
return cleanComponents;
}
var ReactDefaultPerfAnalysis = {
getExclusiveSummary: getExclusiveSummary,
getInclusiveSummary: getInclusiveSummary,
getDOMSummary: getDOMSummary,
getTotalTime: getTotalTime
};
module.exports = ReactDefaultPerfAnalysis;
},{"./merge":130}],51:[function(_dereq_,module,exports){
/**
* Copyright 2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDescriptor
*/
"use strict";
var ReactContext = _dereq_("./ReactContext");
var ReactCurrentOwner = _dereq_("./ReactCurrentOwner");
var merge = _dereq_("./merge");
var warning = _dereq_("./warning");
/**
* Warn for mutations.
*
* @internal
* @param {object} object
* @param {string} key
*/
function defineWarningProperty(object, key) {
Object.defineProperty(object, key, {
configurable: false,
enumerable: true,
get: function() {
if (!this._store) {
return null;
}
return this._store[key];
},
set: function(value) {
("production" !== "development" ? warning(
false,
'Don\'t set the ' + key + ' property of the component. ' +
'Mutate the existing props object instead.'
) : null);
this._store[key] = value;
}
});
}
/**
* This is updated to true if the membrane is successfully created.
*/
var useMutationMembrane = false;
/**
* Warn for mutations.
*
* @internal
* @param {object} descriptor
*/
function defineMutationMembrane(prototype) {
try {
var pseudoFrozenProperties = {
props: true
};
for (var key in pseudoFrozenProperties) {
defineWarningProperty(prototype, key);
}
useMutationMembrane = true;
} catch (x) {
// IE will fail on defineProperty
}
}
/**
* Transfer static properties from the source to the target. Functions are
* rebound to have this reflect the original source.
*/
function proxyStaticMethods(target, source) {
if (typeof source !== 'function') {
return;
}
for (var key in source) {
if (source.hasOwnProperty(key)) {
var value = source[key];
if (typeof value === 'function') {
target[key] = value.bind(source);
} else {
target[key] = value;
}
}
}
}
/**
* Base constructor for all React descriptors. This is only used to make this
* work with a dynamic instanceof check. Nothing should live on this prototype.
*
* @param {*} type
* @internal
*/
var ReactDescriptor = function() {};
if ("production" !== "development") {
defineMutationMembrane(ReactDescriptor.prototype);
}
ReactDescriptor.createFactory = function(type) {
var descriptorPrototype = Object.create(ReactDescriptor.prototype);
var factory = function(props, children) {
// For consistency we currently allocate a new object for every descriptor.
// This protects the descriptor from being mutated by the original props
// object being mutated. It also protects the original props object from
// being mutated by children arguments and default props. This behavior
// comes with a performance cost and could be deprecated in the future.
// It could also be optimized with a smarter JSX transform.
if (props == null) {
props = {};
} else if (typeof props === 'object') {
props = merge(props);
}
// Children can be more than one argument, and those are transferred onto
// the newly allocated props object.
var childrenLength = arguments.length - 1;
if (childrenLength === 1) {
props.children = children;
} else if (childrenLength > 1) {
var childArray = Array(childrenLength);
for (var i = 0; i < childrenLength; i++) {
childArray[i] = arguments[i + 1];
}
props.children = childArray;
}
// Initialize the descriptor object
var descriptor = Object.create(descriptorPrototype);
// Record the component responsible for creating this descriptor.
descriptor._owner = ReactCurrentOwner.current;
// TODO: Deprecate withContext, and then the context becomes accessible
// through the owner.
descriptor._context = ReactContext.current;
if ("production" !== "development") {
// The validation flag and props are currently mutative. We put them on
// an external backing store so that we can freeze the whole object.
// This can be replaced with a WeakMap once they are implemented in
// commonly used development environments.
descriptor._store = { validated: false, props: props };
// We're not allowed to set props directly on the object so we early
// return and rely on the prototype membrane to forward to the backing
// store.
if (useMutationMembrane) {
Object.freeze(descriptor);
return descriptor;
}
}
descriptor.props = props;
return descriptor;
};
// Currently we expose the prototype of the descriptor so that
// <Foo /> instanceof Foo works. This is controversial pattern.
factory.prototype = descriptorPrototype;
// Expose the type on the factory and the prototype so that it can be
// easily accessed on descriptors. E.g. <Foo />.type === Foo.type and for
// static methods like <Foo />.type.staticMethod();
// This should not be named constructor since this may not be the function
// that created the descriptor, and it may not even be a constructor.
factory.type = type;
descriptorPrototype.type = type;
proxyStaticMethods(factory, type);
// Expose a unique constructor on the prototype is that this works with type
// systems that compare constructor properties: <Foo />.constructor === Foo
// This may be controversial since it requires a known factory function.
descriptorPrototype.constructor = factory;
return factory;
};
ReactDescriptor.cloneAndReplaceProps = function(oldDescriptor, newProps) {
var newDescriptor = Object.create(oldDescriptor.constructor.prototype);
// It's important that this property order matches the hidden class of the
// original descriptor to maintain perf.
newDescriptor._owner = oldDescriptor._owner;
newDescriptor._context = oldDescriptor._context;
if ("production" !== "development") {
newDescriptor._store = {
validated: oldDescriptor._store.validated,
props: newProps
};
if (useMutationMembrane) {
Object.freeze(newDescriptor);
return newDescriptor;
}
}
newDescriptor.props = newProps;
return newDescriptor;
};
/**
* Checks if a value is a valid descriptor constructor.
*
* @param {*}
* @return {boolean}
* @public
*/
ReactDescriptor.isValidFactory = function(factory) {
return typeof factory === 'function' &&
factory.prototype instanceof ReactDescriptor;
};
/**
* @param {?object} object
* @return {boolean} True if `object` is a valid component.
* @final
*/
ReactDescriptor.isValidDescriptor = function(object) {
return object instanceof ReactDescriptor;
};
module.exports = ReactDescriptor;
},{"./ReactContext":34,"./ReactCurrentOwner":35,"./merge":130,"./warning":143}],52:[function(_dereq_,module,exports){
/**
* Copyright 2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactDescriptorValidator
*/
/**
* ReactDescriptorValidator provides a wrapper around a descriptor factory
* which validates the props passed to the descriptor. This is intended to be
* used only in DEV and could be replaced by a static type checker for languages
* that support it.
*/
"use strict";
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactPropTypeLocations = _dereq_("./ReactPropTypeLocations");
var ReactCurrentOwner = _dereq_("./ReactCurrentOwner");
var monitorCodeUse = _dereq_("./monitorCodeUse");
/**
* Warn if there's no key explicitly set on dynamic arrays of children or
* object keys are not valid. This allows us to keep track of children between
* updates.
*/
var ownerHasKeyUseWarning = {
'react_key_warning': {},
'react_numeric_key_warning': {}
};
var ownerHasMonitoredObjectMap = {};
var loggedTypeFailures = {};
var NUMERIC_PROPERTY_REGEX = /^\d+$/;
/**
* Gets the current owner's displayName for use in warnings.
*
* @internal
* @return {?string} Display name or undefined
*/
function getCurrentOwnerDisplayName() {
var current = ReactCurrentOwner.current;
return current && current.constructor.displayName || undefined;
}
/**
* Warn if the component doesn't have an explicit key assigned to it.
* This component is in an array. The array could grow and shrink or be
* reordered. All children that haven't already been validated are required to
* have a "key" property assigned to it.
*
* @internal
* @param {ReactComponent} component Component that requires a key.
* @param {*} parentType component's parent's type.
*/
function validateExplicitKey(component, parentType) {
if (component._store.validated || component.props.key != null) {
return;
}
component._store.validated = true;
warnAndMonitorForKeyUse(
'react_key_warning',
'Each child in an array should have a unique "key" prop.',
component,
parentType
);
}
/**
* Warn if the key is being defined as an object property but has an incorrect
* value.
*
* @internal
* @param {string} name Property name of the key.
* @param {ReactComponent} component Component that requires a key.
* @param {*} parentType component's parent's type.
*/
function validatePropertyKey(name, component, parentType) {
if (!NUMERIC_PROPERTY_REGEX.test(name)) {
return;
}
warnAndMonitorForKeyUse(
'react_numeric_key_warning',
'Child objects should have non-numeric keys so ordering is preserved.',
component,
parentType
);
}
/**
* Shared warning and monitoring code for the key warnings.
*
* @internal
* @param {string} warningID The id used when logging.
* @param {string} message The base warning that gets output.
* @param {ReactComponent} component Component that requires a key.
* @param {*} parentType component's parent's type.
*/
function warnAndMonitorForKeyUse(warningID, message, component, parentType) {
var ownerName = getCurrentOwnerDisplayName();
var parentName = parentType.displayName;
var useName = ownerName || parentName;
var memoizer = ownerHasKeyUseWarning[warningID];
if (memoizer.hasOwnProperty(useName)) {
return;
}
memoizer[useName] = true;
message += ownerName ?
(" Check the render method of " + ownerName + ".") :
(" Check the renderComponent call using <" + parentName + ">.");
// Usually the current owner is the offender, but if it accepts children as a
// property, it may be the creator of the child that's responsible for
// assigning it a key.
var childOwnerName = null;
if (component._owner && component._owner !== ReactCurrentOwner.current) {
// Name of the component that originally created this child.
childOwnerName = component._owner.constructor.displayName;
message += (" It was passed a child from " + childOwnerName + ".");
}
message += ' See http://fb.me/react-warning-keys for more information.';
monitorCodeUse(warningID, {
component: useName,
componentOwner: childOwnerName
});
console.warn(message);
}
/**
* Log that we're using an object map. We're considering deprecating this
* feature and replace it with proper Map and ImmutableMap data structures.
*
* @internal
*/
function monitorUseOfObjectMap() {
var currentName = getCurrentOwnerDisplayName() || '';
if (ownerHasMonitoredObjectMap.hasOwnProperty(currentName)) {
return;
}
ownerHasMonitoredObjectMap[currentName] = true;
monitorCodeUse('react_object_map_children');
}
/**
* Ensure that every component either is passed in a static location, in an
* array with an explicit keys property defined, or in an object literal
* with valid key property.
*
* @internal
* @param {*} component Statically passed child of any type.
* @param {*} parentType component's parent's type.
* @return {boolean}
*/
function validateChildKeys(component, parentType) {
if (Array.isArray(component)) {
for (var i = 0; i < component.length; i++) {
var child = component[i];
if (ReactDescriptor.isValidDescriptor(child)) {
validateExplicitKey(child, parentType);
}
}
} else if (ReactDescriptor.isValidDescriptor(component)) {
// This component was passed in a valid location.
component._store.validated = true;
} else if (component && typeof component === 'object') {
monitorUseOfObjectMap();
for (var name in component) {
validatePropertyKey(name, component[name], parentType);
}
}
}
/**
* Assert that the props are valid
*
* @param {string} componentName Name of the component for error messages.
* @param {object} propTypes Map of prop name to a ReactPropType
* @param {object} props
* @param {string} location e.g. "prop", "context", "child context"
* @private
*/
function checkPropTypes(componentName, propTypes, props, location) {
for (var propName in propTypes) {
if (propTypes.hasOwnProperty(propName)) {
var error;
// Prop type validation may throw. In case they do, we don't want to
// fail the render phase where it didn't fail before. So we log it.
// After these have been cleaned up, we'll let them throw.
try {
error = propTypes[propName](props, propName, componentName, location);
} catch (ex) {
error = ex;
}
if (error instanceof Error && !(error.message in loggedTypeFailures)) {
// Only monitor this failure once because there tends to be a lot of the
// same error.
loggedTypeFailures[error.message] = true;
// This will soon use the warning module
monitorCodeUse(
'react_failed_descriptor_type_check',
{ message: error.message }
);
}
}
}
}
var ReactDescriptorValidator = {
/**
* Wraps a descriptor factory function in another function which validates
* the props and context of the descriptor and warns about any failed type
* checks.
*
* @param {function} factory The original descriptor factory
* @param {object?} propTypes A prop type definition set
* @param {object?} contextTypes A context type definition set
* @return {object} The component descriptor, which may be invalid.
* @private
*/
createFactory: function(factory, propTypes, contextTypes) {
var validatedFactory = function(props, children) {
var descriptor = factory.apply(this, arguments);
for (var i = 1; i < arguments.length; i++) {
validateChildKeys(arguments[i], descriptor.type);
}
var name = descriptor.type.displayName;
if (propTypes) {
checkPropTypes(
name,
propTypes,
descriptor.props,
ReactPropTypeLocations.prop
);
}
if (contextTypes) {
checkPropTypes(
name,
contextTypes,
descriptor._context,
ReactPropTypeLocations.context
);
}
return descriptor;
};
validatedFactory.prototype = factory.prototype;
validatedFactory.type = factory.type;
// Copy static properties
for (var key in factory) {
if (factory.hasOwnProperty(key)) {
validatedFactory[key] = factory[key];
}
}
return validatedFactory;
}
};
module.exports = ReactDescriptorValidator;
},{"./ReactCurrentOwner":35,"./ReactDescriptor":51,"./ReactPropTypeLocations":68,"./monitorCodeUse":134}],53:[function(_dereq_,module,exports){
/**
* Copyright 2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactEmptyComponent
*/
"use strict";
var invariant = _dereq_("./invariant");
var component;
// This registry keeps track of the React IDs of the components that rendered to
// `null` (in reality a placeholder such as `noscript`)
var nullComponentIdsRegistry = {};
var ReactEmptyComponentInjection = {
injectEmptyComponent: function(emptyComponent) {
component = emptyComponent;
}
};
/**
* @return {ReactComponent} component The injected empty component.
*/
function getEmptyComponent() {
("production" !== "development" ? invariant(
component,
'Trying to return null from a render, but no null placeholder component ' +
'was injected.'
) : invariant(component));
return component();
}
/**
* Mark the component as having rendered to null.
* @param {string} id Component's `_rootNodeID`.
*/
function registerNullComponentID(id) {
nullComponentIdsRegistry[id] = true;
}
/**
* Unmark the component as having rendered to null: it renders to something now.
* @param {string} id Component's `_rootNodeID`.
*/
function deregisterNullComponentID(id) {
delete nullComponentIdsRegistry[id];
}
/**
* @param {string} id Component's `_rootNodeID`.
* @return {boolean} True if the component is rendered to null.
*/
function isNullComponentID(id) {
return nullComponentIdsRegistry[id];
}
var ReactEmptyComponent = {
deregisterNullComponentID: deregisterNullComponentID,
getEmptyComponent: getEmptyComponent,
injection: ReactEmptyComponentInjection,
isNullComponentID: isNullComponentID,
registerNullComponentID: registerNullComponentID
};
module.exports = ReactEmptyComponent;
},{"./invariant":120}],54:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactErrorUtils
* @typechecks
*/
"use strict";
var ReactErrorUtils = {
/**
* Creates a guarded version of a function. This is supposed to make debugging
* of event handlers easier. To aid debugging with the browser's debugger,
* this currently simply returns the original function.
*
* @param {function} func Function to be executed
* @param {string} name The name of the guard
* @return {function}
*/
guard: function(func, name) {
return func;
}
};
module.exports = ReactErrorUtils;
},{}],55:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactEventEmitterMixin
*/
"use strict";
var EventPluginHub = _dereq_("./EventPluginHub");
function runEventQueueInBatch(events) {
EventPluginHub.enqueueEvents(events);
EventPluginHub.processEventQueue();
}
var ReactEventEmitterMixin = {
/**
* Streams a fired top-level event to `EventPluginHub` where plugins have the
* opportunity to create `ReactEvent`s to be dispatched.
*
* @param {string} topLevelType Record from `EventConstants`.
* @param {object} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native environment event.
*/
handleTopLevel: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var events = EventPluginHub.extractEvents(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent
);
runEventQueueInBatch(events);
}
};
module.exports = ReactEventEmitterMixin;
},{"./EventPluginHub":17}],56:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactEventListener
* @typechecks static-only
*/
"use strict";
var EventListener = _dereq_("./EventListener");
var ExecutionEnvironment = _dereq_("./ExecutionEnvironment");
var PooledClass = _dereq_("./PooledClass");
var ReactInstanceHandles = _dereq_("./ReactInstanceHandles");
var ReactMount = _dereq_("./ReactMount");
var ReactUpdates = _dereq_("./ReactUpdates");
var getEventTarget = _dereq_("./getEventTarget");
var getUnboundedScrollPosition = _dereq_("./getUnboundedScrollPosition");
var mixInto = _dereq_("./mixInto");
/**
* Finds the parent React component of `node`.
*
* @param {*} node
* @return {?DOMEventTarget} Parent container, or `null` if the specified node
* is not nested.
*/
function findParent(node) {
// TODO: It may be a good idea to cache this to prevent unnecessary DOM
// traversal, but caching is difficult to do correctly without using a
// mutation observer to listen for all DOM changes.
var nodeID = ReactMount.getID(node);
var rootID = ReactInstanceHandles.getReactRootIDFromNodeID(nodeID);
var container = ReactMount.findReactContainerForID(rootID);
var parent = ReactMount.getFirstReactDOM(container);
return parent;
}
// Used to store ancestor hierarchy in top level callback
function TopLevelCallbackBookKeeping(topLevelType, nativeEvent) {
this.topLevelType = topLevelType;
this.nativeEvent = nativeEvent;
this.ancestors = [];
}
mixInto(TopLevelCallbackBookKeeping, {
destructor: function() {
this.topLevelType = null;
this.nativeEvent = null;
this.ancestors.length = 0;
}
});
PooledClass.addPoolingTo(
TopLevelCallbackBookKeeping,
PooledClass.twoArgumentPooler
);
function handleTopLevelImpl(bookKeeping) {
var topLevelTarget = ReactMount.getFirstReactDOM(
getEventTarget(bookKeeping.nativeEvent)
) || window;
// Loop through the hierarchy, in case there's any nested components.
// It's important that we build the array of ancestors before calling any
// event handlers, because event handlers can modify the DOM, leading to
// inconsistencies with ReactMount's node cache. See #1105.
var ancestor = topLevelTarget;
while (ancestor) {
bookKeeping.ancestors.push(ancestor);
ancestor = findParent(ancestor);
}
for (var i = 0, l = bookKeeping.ancestors.length; i < l; i++) {
topLevelTarget = bookKeeping.ancestors[i];
var topLevelTargetID = ReactMount.getID(topLevelTarget) || '';
ReactEventListener._handleTopLevel(
bookKeeping.topLevelType,
topLevelTarget,
topLevelTargetID,
bookKeeping.nativeEvent
);
}
}
function scrollValueMonitor(cb) {
var scrollPosition = getUnboundedScrollPosition(window);
cb(scrollPosition);
}
var ReactEventListener = {
_enabled: true,
_handleTopLevel: null,
WINDOW_HANDLE: ExecutionEnvironment.canUseDOM ? window : null,
setHandleTopLevel: function(handleTopLevel) {
ReactEventListener._handleTopLevel = handleTopLevel;
},
setEnabled: function(enabled) {
ReactEventListener._enabled = !!enabled;
},
isEnabled: function() {
return ReactEventListener._enabled;
},
/**
* Traps top-level events by using event bubbling.
*
* @param {string} topLevelType Record from `EventConstants`.
* @param {string} handlerBaseName Event name (e.g. "click").
* @param {object} handle Element on which to attach listener.
* @return {object} An object with a remove function which will forcefully
* remove the listener.
* @internal
*/
trapBubbledEvent: function(topLevelType, handlerBaseName, handle) {
var element = handle;
if (!element) {
return;
}
return EventListener.listen(
element,
handlerBaseName,
ReactEventListener.dispatchEvent.bind(null, topLevelType)
);
},
/**
* Traps a top-level event by using event capturing.
*
* @param {string} topLevelType Record from `EventConstants`.
* @param {string} handlerBaseName Event name (e.g. "click").
* @param {object} handle Element on which to attach listener.
* @return {object} An object with a remove function which will forcefully
* remove the listener.
* @internal
*/
trapCapturedEvent: function(topLevelType, handlerBaseName, handle) {
var element = handle;
if (!element) {
return;
}
return EventListener.capture(
element,
handlerBaseName,
ReactEventListener.dispatchEvent.bind(null, topLevelType)
);
},
monitorScrollValue: function(refresh) {
var callback = scrollValueMonitor.bind(null, refresh);
EventListener.listen(window, 'scroll', callback);
EventListener.listen(window, 'resize', callback);
},
dispatchEvent: function(topLevelType, nativeEvent) {
if (!ReactEventListener._enabled) {
return;
}
var bookKeeping = TopLevelCallbackBookKeeping.getPooled(
topLevelType,
nativeEvent
);
try {
// Event queue being processed in the same cycle allows
// `preventDefault`.
ReactUpdates.batchedUpdates(handleTopLevelImpl, bookKeeping);
} finally {
TopLevelCallbackBookKeeping.release(bookKeeping);
}
}
};
module.exports = ReactEventListener;
},{"./EventListener":16,"./ExecutionEnvironment":21,"./PooledClass":26,"./ReactInstanceHandles":59,"./ReactMount":61,"./ReactUpdates":76,"./getEventTarget":111,"./getUnboundedScrollPosition":116,"./mixInto":133}],57:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactInjection
*/
"use strict";
var DOMProperty = _dereq_("./DOMProperty");
var EventPluginHub = _dereq_("./EventPluginHub");
var ReactComponent = _dereq_("./ReactComponent");
var ReactCompositeComponent = _dereq_("./ReactCompositeComponent");
var ReactDOM = _dereq_("./ReactDOM");
var ReactEmptyComponent = _dereq_("./ReactEmptyComponent");
var ReactBrowserEventEmitter = _dereq_("./ReactBrowserEventEmitter");
var ReactPerf = _dereq_("./ReactPerf");
var ReactRootIndex = _dereq_("./ReactRootIndex");
var ReactUpdates = _dereq_("./ReactUpdates");
var ReactInjection = {
Component: ReactComponent.injection,
CompositeComponent: ReactCompositeComponent.injection,
DOMProperty: DOMProperty.injection,
EmptyComponent: ReactEmptyComponent.injection,
EventPluginHub: EventPluginHub.injection,
DOM: ReactDOM.injection,
EventEmitter: ReactBrowserEventEmitter.injection,
Perf: ReactPerf.injection,
RootIndex: ReactRootIndex.injection,
Updates: ReactUpdates.injection
};
module.exports = ReactInjection;
},{"./DOMProperty":10,"./EventPluginHub":17,"./ReactBrowserEventEmitter":29,"./ReactComponent":31,"./ReactCompositeComponent":33,"./ReactDOM":36,"./ReactEmptyComponent":53,"./ReactPerf":65,"./ReactRootIndex":72,"./ReactUpdates":76}],58:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactInputSelection
*/
"use strict";
var ReactDOMSelection = _dereq_("./ReactDOMSelection");
var containsNode = _dereq_("./containsNode");
var focusNode = _dereq_("./focusNode");
var getActiveElement = _dereq_("./getActiveElement");
function isInDocument(node) {
return containsNode(document.documentElement, node);
}
/**
* @ReactInputSelection: React input selection module. Based on Selection.js,
* but modified to be suitable for react and has a couple of bug fixes (doesn't
* assume buttons have range selections allowed).
* Input selection module for React.
*/
var ReactInputSelection = {
hasSelectionCapabilities: function(elem) {
return elem && (
(elem.nodeName === 'INPUT' && elem.type === 'text') ||
elem.nodeName === 'TEXTAREA' ||
elem.contentEditable === 'true'
);
},
getSelectionInformation: function() {
var focusedElem = getActiveElement();
return {
focusedElem: focusedElem,
selectionRange:
ReactInputSelection.hasSelectionCapabilities(focusedElem) ?
ReactInputSelection.getSelection(focusedElem) :
null
};
},
/**
* @restoreSelection: If any selection information was potentially lost,
* restore it. This is useful when performing operations that could remove dom
* nodes and place them back in, resulting in focus being lost.
*/
restoreSelection: function(priorSelectionInformation) {
var curFocusedElem = getActiveElement();
var priorFocusedElem = priorSelectionInformation.focusedElem;
var priorSelectionRange = priorSelectionInformation.selectionRange;
if (curFocusedElem !== priorFocusedElem &&
isInDocument(priorFocusedElem)) {
if (ReactInputSelection.hasSelectionCapabilities(priorFocusedElem)) {
ReactInputSelection.setSelection(
priorFocusedElem,
priorSelectionRange
);
}
focusNode(priorFocusedElem);
}
},
/**
* @getSelection: Gets the selection bounds of a focused textarea, input or
* contentEditable node.
* -@input: Look up selection bounds of this input
* -@return {start: selectionStart, end: selectionEnd}
*/
getSelection: function(input) {
var selection;
if ('selectionStart' in input) {
// Modern browser with input or textarea.
selection = {
start: input.selectionStart,
end: input.selectionEnd
};
} else if (document.selection && input.nodeName === 'INPUT') {
// IE8 input.
var range = document.selection.createRange();
// There can only be one selection per document in IE, so it must
// be in our element.
if (range.parentElement() === input) {
selection = {
start: -range.moveStart('character', -input.value.length),
end: -range.moveEnd('character', -input.value.length)
};
}
} else {
// Content editable or old IE textarea.
selection = ReactDOMSelection.getOffsets(input);
}
return selection || {start: 0, end: 0};
},
/**
* @setSelection: Sets the selection bounds of a textarea or input and focuses
* the input.
* -@input Set selection bounds of this input or textarea
* -@offsets Object of same form that is returned from get*
*/
setSelection: function(input, offsets) {
var start = offsets.start;
var end = offsets.end;
if (typeof end === 'undefined') {
end = start;
}
if ('selectionStart' in input) {
input.selectionStart = start;
input.selectionEnd = Math.min(end, input.value.length);
} else if (document.selection && input.nodeName === 'INPUT') {
var range = input.createTextRange();
range.collapse(true);
range.moveStart('character', start);
range.moveEnd('character', end - start);
range.select();
} else {
ReactDOMSelection.setOffsets(input, offsets);
}
}
};
module.exports = ReactInputSelection;
},{"./ReactDOMSelection":45,"./containsNode":96,"./focusNode":106,"./getActiveElement":108}],59:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactInstanceHandles
* @typechecks static-only
*/
"use strict";
var ReactRootIndex = _dereq_("./ReactRootIndex");
var invariant = _dereq_("./invariant");
var SEPARATOR = '.';
var SEPARATOR_LENGTH = SEPARATOR.length;
/**
* Maximum depth of traversals before we consider the possibility of a bad ID.
*/
var MAX_TREE_DEPTH = 100;
/**
* Creates a DOM ID prefix to use when mounting React components.
*
* @param {number} index A unique integer
* @return {string} React root ID.
* @internal
*/
function getReactRootIDString(index) {
return SEPARATOR + index.toString(36);
}
/**
* Checks if a character in the supplied ID is a separator or the end.
*
* @param {string} id A React DOM ID.
* @param {number} index Index of the character to check.
* @return {boolean} True if the character is a separator or end of the ID.
* @private
*/
function isBoundary(id, index) {
return id.charAt(index) === SEPARATOR || index === id.length;
}
/**
* Checks if the supplied string is a valid React DOM ID.
*
* @param {string} id A React DOM ID, maybe.
* @return {boolean} True if the string is a valid React DOM ID.
* @private
*/
function isValidID(id) {
return id === '' || (
id.charAt(0) === SEPARATOR && id.charAt(id.length - 1) !== SEPARATOR
);
}
/**
* Checks if the first ID is an ancestor of or equal to the second ID.
*
* @param {string} ancestorID
* @param {string} descendantID
* @return {boolean} True if `ancestorID` is an ancestor of `descendantID`.
* @internal
*/
function isAncestorIDOf(ancestorID, descendantID) {
return (
descendantID.indexOf(ancestorID) === 0 &&
isBoundary(descendantID, ancestorID.length)
);
}
/**
* Gets the parent ID of the supplied React DOM ID, `id`.
*
* @param {string} id ID of a component.
* @return {string} ID of the parent, or an empty string.
* @private
*/
function getParentID(id) {
return id ? id.substr(0, id.lastIndexOf(SEPARATOR)) : '';
}
/**
* Gets the next DOM ID on the tree path from the supplied `ancestorID` to the
* supplied `destinationID`. If they are equal, the ID is returned.
*
* @param {string} ancestorID ID of an ancestor node of `destinationID`.
* @param {string} destinationID ID of the destination node.
* @return {string} Next ID on the path from `ancestorID` to `destinationID`.
* @private
*/
function getNextDescendantID(ancestorID, destinationID) {
("production" !== "development" ? invariant(
isValidID(ancestorID) && isValidID(destinationID),
'getNextDescendantID(%s, %s): Received an invalid React DOM ID.',
ancestorID,
destinationID
) : invariant(isValidID(ancestorID) && isValidID(destinationID)));
("production" !== "development" ? invariant(
isAncestorIDOf(ancestorID, destinationID),
'getNextDescendantID(...): React has made an invalid assumption about ' +
'the DOM hierarchy. Expected `%s` to be an ancestor of `%s`.',
ancestorID,
destinationID
) : invariant(isAncestorIDOf(ancestorID, destinationID)));
if (ancestorID === destinationID) {
return ancestorID;
}
// Skip over the ancestor and the immediate separator. Traverse until we hit
// another separator or we reach the end of `destinationID`.
var start = ancestorID.length + SEPARATOR_LENGTH;
for (var i = start; i < destinationID.length; i++) {
if (isBoundary(destinationID, i)) {
break;
}
}
return destinationID.substr(0, i);
}
/**
* Gets the nearest common ancestor ID of two IDs.
*
* Using this ID scheme, the nearest common ancestor ID is the longest common
* prefix of the two IDs that immediately preceded a "marker" in both strings.
*
* @param {string} oneID
* @param {string} twoID
* @return {string} Nearest common ancestor ID, or the empty string if none.
* @private
*/
function getFirstCommonAncestorID(oneID, twoID) {
var minLength = Math.min(oneID.length, twoID.length);
if (minLength === 0) {
return '';
}
var lastCommonMarkerIndex = 0;
// Use `<=` to traverse until the "EOL" of the shorter string.
for (var i = 0; i <= minLength; i++) {
if (isBoundary(oneID, i) && isBoundary(twoID, i)) {
lastCommonMarkerIndex = i;
} else if (oneID.charAt(i) !== twoID.charAt(i)) {
break;
}
}
var longestCommonID = oneID.substr(0, lastCommonMarkerIndex);
("production" !== "development" ? invariant(
isValidID(longestCommonID),
'getFirstCommonAncestorID(%s, %s): Expected a valid React DOM ID: %s',
oneID,
twoID,
longestCommonID
) : invariant(isValidID(longestCommonID)));
return longestCommonID;
}
/**
* Traverses the parent path between two IDs (either up or down). The IDs must
* not be the same, and there must exist a parent path between them. If the
* callback returns `false`, traversal is stopped.
*
* @param {?string} start ID at which to start traversal.
* @param {?string} stop ID at which to end traversal.
* @param {function} cb Callback to invoke each ID with.
* @param {?boolean} skipFirst Whether or not to skip the first node.
* @param {?boolean} skipLast Whether or not to skip the last node.
* @private
*/
function traverseParentPath(start, stop, cb, arg, skipFirst, skipLast) {
start = start || '';
stop = stop || '';
("production" !== "development" ? invariant(
start !== stop,
'traverseParentPath(...): Cannot traverse from and to the same ID, `%s`.',
start
) : invariant(start !== stop));
var traverseUp = isAncestorIDOf(stop, start);
("production" !== "development" ? invariant(
traverseUp || isAncestorIDOf(start, stop),
'traverseParentPath(%s, %s, ...): Cannot traverse from two IDs that do ' +
'not have a parent path.',
start,
stop
) : invariant(traverseUp || isAncestorIDOf(start, stop)));
// Traverse from `start` to `stop` one depth at a time.
var depth = 0;
var traverse = traverseUp ? getParentID : getNextDescendantID;
for (var id = start; /* until break */; id = traverse(id, stop)) {
var ret;
if ((!skipFirst || id !== start) && (!skipLast || id !== stop)) {
ret = cb(id, traverseUp, arg);
}
if (ret === false || id === stop) {
// Only break //after// visiting `stop`.
break;
}
("production" !== "development" ? invariant(
depth++ < MAX_TREE_DEPTH,
'traverseParentPath(%s, %s, ...): Detected an infinite loop while ' +
'traversing the React DOM ID tree. This may be due to malformed IDs: %s',
start, stop
) : invariant(depth++ < MAX_TREE_DEPTH));
}
}
/**
* Manages the IDs assigned to DOM representations of React components. This
* uses a specific scheme in order to traverse the DOM efficiently (e.g. in
* order to simulate events).
*
* @internal
*/
var ReactInstanceHandles = {
/**
* Constructs a React root ID
* @return {string} A React root ID.
*/
createReactRootID: function() {
return getReactRootIDString(ReactRootIndex.createReactRootIndex());
},
/**
* Constructs a React ID by joining a root ID with a name.
*
* @param {string} rootID Root ID of a parent component.
* @param {string} name A component's name (as flattened children).
* @return {string} A React ID.
* @internal
*/
createReactID: function(rootID, name) {
return rootID + name;
},
/**
* Gets the DOM ID of the React component that is the root of the tree that
* contains the React component with the supplied DOM ID.
*
* @param {string} id DOM ID of a React component.
* @return {?string} DOM ID of the React component that is the root.
* @internal
*/
getReactRootIDFromNodeID: function(id) {
if (id && id.charAt(0) === SEPARATOR && id.length > 1) {
var index = id.indexOf(SEPARATOR, 1);
return index > -1 ? id.substr(0, index) : id;
}
return null;
},
/**
* Traverses the ID hierarchy and invokes the supplied `cb` on any IDs that
* should would receive a `mouseEnter` or `mouseLeave` event.
*
* NOTE: Does not invoke the callback on the nearest common ancestor because
* nothing "entered" or "left" that element.
*
* @param {string} leaveID ID being left.
* @param {string} enterID ID being entered.
* @param {function} cb Callback to invoke on each entered/left ID.
* @param {*} upArg Argument to invoke the callback with on left IDs.
* @param {*} downArg Argument to invoke the callback with on entered IDs.
* @internal
*/
traverseEnterLeave: function(leaveID, enterID, cb, upArg, downArg) {
var ancestorID = getFirstCommonAncestorID(leaveID, enterID);
if (ancestorID !== leaveID) {
traverseParentPath(leaveID, ancestorID, cb, upArg, false, true);
}
if (ancestorID !== enterID) {
traverseParentPath(ancestorID, enterID, cb, downArg, true, false);
}
},
/**
* Simulates the traversal of a two-phase, capture/bubble event dispatch.
*
* NOTE: This traversal happens on IDs without touching the DOM.
*
* @param {string} targetID ID of the target node.
* @param {function} cb Callback to invoke.
* @param {*} arg Argument to invoke the callback with.
* @internal
*/
traverseTwoPhase: function(targetID, cb, arg) {
if (targetID) {
traverseParentPath('', targetID, cb, arg, true, false);
traverseParentPath(targetID, '', cb, arg, false, true);
}
},
/**
* Traverse a node ID, calling the supplied `cb` for each ancestor ID. For
* example, passing `.0.$row-0.1` would result in `cb` getting called
* with `.0`, `.0.$row-0`, and `.0.$row-0.1`.
*
* NOTE: This traversal happens on IDs without touching the DOM.
*
* @param {string} targetID ID of the target node.
* @param {function} cb Callback to invoke.
* @param {*} arg Argument to invoke the callback with.
* @internal
*/
traverseAncestors: function(targetID, cb, arg) {
traverseParentPath('', targetID, cb, arg, true, false);
},
/**
* Exposed for unit testing.
* @private
*/
_getFirstCommonAncestorID: getFirstCommonAncestorID,
/**
* Exposed for unit testing.
* @private
*/
_getNextDescendantID: getNextDescendantID,
isAncestorIDOf: isAncestorIDOf,
SEPARATOR: SEPARATOR
};
module.exports = ReactInstanceHandles;
},{"./ReactRootIndex":72,"./invariant":120}],60:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactMarkupChecksum
*/
"use strict";
var adler32 = _dereq_("./adler32");
var ReactMarkupChecksum = {
CHECKSUM_ATTR_NAME: 'data-react-checksum',
/**
* @param {string} markup Markup string
* @return {string} Markup string with checksum attribute attached
*/
addChecksumToMarkup: function(markup) {
var checksum = adler32(markup);
return markup.replace(
'>',
' ' + ReactMarkupChecksum.CHECKSUM_ATTR_NAME + '="' + checksum + '">'
);
},
/**
* @param {string} markup to use
* @param {DOMElement} element root React element
* @returns {boolean} whether or not the markup is the same
*/
canReuseMarkup: function(markup, element) {
var existingChecksum = element.getAttribute(
ReactMarkupChecksum.CHECKSUM_ATTR_NAME
);
existingChecksum = existingChecksum && parseInt(existingChecksum, 10);
var markupChecksum = adler32(markup);
return markupChecksum === existingChecksum;
}
};
module.exports = ReactMarkupChecksum;
},{"./adler32":95}],61:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactMount
*/
"use strict";
var DOMProperty = _dereq_("./DOMProperty");
var ReactBrowserEventEmitter = _dereq_("./ReactBrowserEventEmitter");
var ReactCurrentOwner = _dereq_("./ReactCurrentOwner");
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactInstanceHandles = _dereq_("./ReactInstanceHandles");
var ReactPerf = _dereq_("./ReactPerf");
var containsNode = _dereq_("./containsNode");
var getReactRootElementInContainer = _dereq_("./getReactRootElementInContainer");
var instantiateReactComponent = _dereq_("./instantiateReactComponent");
var invariant = _dereq_("./invariant");
var shouldUpdateReactComponent = _dereq_("./shouldUpdateReactComponent");
var warning = _dereq_("./warning");
var SEPARATOR = ReactInstanceHandles.SEPARATOR;
var ATTR_NAME = DOMProperty.ID_ATTRIBUTE_NAME;
var nodeCache = {};
var ELEMENT_NODE_TYPE = 1;
var DOC_NODE_TYPE = 9;
/** Mapping from reactRootID to React component instance. */
var instancesByReactRootID = {};
/** Mapping from reactRootID to `container` nodes. */
var containersByReactRootID = {};
if ("production" !== "development") {
/** __DEV__-only mapping from reactRootID to root elements. */
var rootElementsByReactRootID = {};
}
// Used to store breadth-first search state in findComponentRoot.
var findComponentRootReusableArray = [];
/**
* @param {DOMElement} container DOM element that may contain a React component.
* @return {?string} A "reactRoot" ID, if a React component is rendered.
*/
function getReactRootID(container) {
var rootElement = getReactRootElementInContainer(container);
return rootElement && ReactMount.getID(rootElement);
}
/**
* Accessing node[ATTR_NAME] or calling getAttribute(ATTR_NAME) on a form
* element can return its control whose name or ID equals ATTR_NAME. All
* DOM nodes support `getAttributeNode` but this can also get called on
* other objects so just return '' if we're given something other than a
* DOM node (such as window).
*
* @param {?DOMElement|DOMWindow|DOMDocument|DOMTextNode} node DOM node.
* @return {string} ID of the supplied `domNode`.
*/
function getID(node) {
var id = internalGetID(node);
if (id) {
if (nodeCache.hasOwnProperty(id)) {
var cached = nodeCache[id];
if (cached !== node) {
("production" !== "development" ? invariant(
!isValid(cached, id),
'ReactMount: Two valid but unequal nodes with the same `%s`: %s',
ATTR_NAME, id
) : invariant(!isValid(cached, id)));
nodeCache[id] = node;
}
} else {
nodeCache[id] = node;
}
}
return id;
}
function internalGetID(node) {
// If node is something like a window, document, or text node, none of
// which support attributes or a .getAttribute method, gracefully return
// the empty string, as if the attribute were missing.
return node && node.getAttribute && node.getAttribute(ATTR_NAME) || '';
}
/**
* Sets the React-specific ID of the given node.
*
* @param {DOMElement} node The DOM node whose ID will be set.
* @param {string} id The value of the ID attribute.
*/
function setID(node, id) {
var oldID = internalGetID(node);
if (oldID !== id) {
delete nodeCache[oldID];
}
node.setAttribute(ATTR_NAME, id);
nodeCache[id] = node;
}
/**
* Finds the node with the supplied React-generated DOM ID.
*
* @param {string} id A React-generated DOM ID.
* @return {DOMElement} DOM node with the suppled `id`.
* @internal
*/
function getNode(id) {
if (!nodeCache.hasOwnProperty(id) || !isValid(nodeCache[id], id)) {
nodeCache[id] = ReactMount.findReactNodeByID(id);
}
return nodeCache[id];
}
/**
* A node is "valid" if it is contained by a currently mounted container.
*
* This means that the node does not have to be contained by a document in
* order to be considered valid.
*
* @param {?DOMElement} node The candidate DOM node.
* @param {string} id The expected ID of the node.
* @return {boolean} Whether the node is contained by a mounted container.
*/
function isValid(node, id) {
if (node) {
("production" !== "development" ? invariant(
internalGetID(node) === id,
'ReactMount: Unexpected modification of `%s`',
ATTR_NAME
) : invariant(internalGetID(node) === id));
var container = ReactMount.findReactContainerForID(id);
if (container && containsNode(container, node)) {
return true;
}
}
return false;
}
/**
* Causes the cache to forget about one React-specific ID.
*
* @param {string} id The ID to forget.
*/
function purgeID(id) {
delete nodeCache[id];
}
var deepestNodeSoFar = null;
function findDeepestCachedAncestorImpl(ancestorID) {
var ancestor = nodeCache[ancestorID];
if (ancestor && isValid(ancestor, ancestorID)) {
deepestNodeSoFar = ancestor;
} else {
// This node isn't populated in the cache, so presumably none of its
// descendants are. Break out of the loop.
return false;
}
}
/**
* Return the deepest cached node whose ID is a prefix of `targetID`.
*/
function findDeepestCachedAncestor(targetID) {
deepestNodeSoFar = null;
ReactInstanceHandles.traverseAncestors(
targetID,
findDeepestCachedAncestorImpl
);
var foundNode = deepestNodeSoFar;
deepestNodeSoFar = null;
return foundNode;
}
/**
* Mounting is the process of initializing a React component by creatings its
* representative DOM elements and inserting them into a supplied `container`.
* Any prior content inside `container` is destroyed in the process.
*
* ReactMount.renderComponent(
* component,
* document.getElementById('container')
* );
*
* <div id="container"> <-- Supplied `container`.
* <div data-reactid=".3"> <-- Rendered reactRoot of React
* // ... component.
* </div>
* </div>
*
* Inside of `container`, the first element rendered is the "reactRoot".
*/
var ReactMount = {
/** Exposed for debugging purposes **/
_instancesByReactRootID: instancesByReactRootID,
/**
* This is a hook provided to support rendering React components while
* ensuring that the apparent scroll position of its `container` does not
* change.
*
* @param {DOMElement} container The `container` being rendered into.
* @param {function} renderCallback This must be called once to do the render.
*/
scrollMonitor: function(container, renderCallback) {
renderCallback();
},
/**
* Take a component that's already mounted into the DOM and replace its props
* @param {ReactComponent} prevComponent component instance already in the DOM
* @param {ReactComponent} nextComponent component instance to render
* @param {DOMElement} container container to render into
* @param {?function} callback function triggered on completion
*/
_updateRootComponent: function(
prevComponent,
nextComponent,
container,
callback) {
var nextProps = nextComponent.props;
ReactMount.scrollMonitor(container, function() {
prevComponent.replaceProps(nextProps, callback);
});
if ("production" !== "development") {
// Record the root element in case it later gets transplanted.
rootElementsByReactRootID[getReactRootID(container)] =
getReactRootElementInContainer(container);
}
return prevComponent;
},
/**
* Register a component into the instance map and starts scroll value
* monitoring
* @param {ReactComponent} nextComponent component instance to render
* @param {DOMElement} container container to render into
* @return {string} reactRoot ID prefix
*/
_registerComponent: function(nextComponent, container) {
("production" !== "development" ? invariant(
container && (
container.nodeType === ELEMENT_NODE_TYPE ||
container.nodeType === DOC_NODE_TYPE
),
'_registerComponent(...): Target container is not a DOM element.'
) : invariant(container && (
container.nodeType === ELEMENT_NODE_TYPE ||
container.nodeType === DOC_NODE_TYPE
)));
ReactBrowserEventEmitter.ensureScrollValueMonitoring();
var reactRootID = ReactMount.registerContainer(container);
instancesByReactRootID[reactRootID] = nextComponent;
return reactRootID;
},
/**
* Render a new component into the DOM.
* @param {ReactComponent} nextComponent component instance to render
* @param {DOMElement} container container to render into
* @param {boolean} shouldReuseMarkup if we should skip the markup insertion
* @return {ReactComponent} nextComponent
*/
_renderNewRootComponent: ReactPerf.measure(
'ReactMount',
'_renderNewRootComponent',
function(
nextComponent,
container,
shouldReuseMarkup) {
// Various parts of our code (such as ReactCompositeComponent's
// _renderValidatedComponent) assume that calls to render aren't nested;
// verify that that's the case.
("production" !== "development" ? warning(
ReactCurrentOwner.current == null,
'_renderNewRootComponent(): Render methods should be a pure function ' +
'of props and state; triggering nested component updates from ' +
'render is not allowed. If necessary, trigger nested updates in ' +
'componentDidUpdate.'
) : null);
var componentInstance = instantiateReactComponent(nextComponent);
var reactRootID = ReactMount._registerComponent(
componentInstance,
container
);
componentInstance.mountComponentIntoNode(
reactRootID,
container,
shouldReuseMarkup
);
if ("production" !== "development") {
// Record the root element in case it later gets transplanted.
rootElementsByReactRootID[reactRootID] =
getReactRootElementInContainer(container);
}
return componentInstance;
}
),
/**
* Renders a React component into the DOM in the supplied `container`.
*
* If the React component was previously rendered into `container`, this will
* perform an update on it and only mutate the DOM as necessary to reflect the
* latest React component.
*
* @param {ReactDescriptor} nextDescriptor Component descriptor to render.
* @param {DOMElement} container DOM element to render into.
* @param {?function} callback function triggered on completion
* @return {ReactComponent} Component instance rendered in `container`.
*/
renderComponent: function(nextDescriptor, container, callback) {
("production" !== "development" ? invariant(
ReactDescriptor.isValidDescriptor(nextDescriptor),
'renderComponent(): Invalid component descriptor.%s',
(
ReactDescriptor.isValidFactory(nextDescriptor) ?
' Instead of passing a component class, make sure to instantiate ' +
'it first by calling it with props.' :
// Check if it quacks like a descriptor
typeof nextDescriptor.props !== "undefined" ?
' This may be caused by unintentionally loading two independent ' +
'copies of React.' :
''
)
) : invariant(ReactDescriptor.isValidDescriptor(nextDescriptor)));
var prevComponent = instancesByReactRootID[getReactRootID(container)];
if (prevComponent) {
var prevDescriptor = prevComponent._descriptor;
if (shouldUpdateReactComponent(prevDescriptor, nextDescriptor)) {
return ReactMount._updateRootComponent(
prevComponent,
nextDescriptor,
container,
callback
);
} else {
ReactMount.unmountComponentAtNode(container);
}
}
var reactRootElement = getReactRootElementInContainer(container);
var containerHasReactMarkup =
reactRootElement && ReactMount.isRenderedByReact(reactRootElement);
var shouldReuseMarkup = containerHasReactMarkup && !prevComponent;
var component = ReactMount._renderNewRootComponent(
nextDescriptor,
container,
shouldReuseMarkup
);
callback && callback.call(component);
return component;
},
/**
* Constructs a component instance of `constructor` with `initialProps` and
* renders it into the supplied `container`.
*
* @param {function} constructor React component constructor.
* @param {?object} props Initial props of the component instance.
* @param {DOMElement} container DOM element to render into.
* @return {ReactComponent} Component instance rendered in `container`.
*/
constructAndRenderComponent: function(constructor, props, container) {
return ReactMount.renderComponent(constructor(props), container);
},
/**
* Constructs a component instance of `constructor` with `initialProps` and
* renders it into a container node identified by supplied `id`.
*
* @param {function} componentConstructor React component constructor
* @param {?object} props Initial props of the component instance.
* @param {string} id ID of the DOM element to render into.
* @return {ReactComponent} Component instance rendered in the container node.
*/
constructAndRenderComponentByID: function(constructor, props, id) {
var domNode = document.getElementById(id);
("production" !== "development" ? invariant(
domNode,
'Tried to get element with id of "%s" but it is not present on the page.',
id
) : invariant(domNode));
return ReactMount.constructAndRenderComponent(constructor, props, domNode);
},
/**
* Registers a container node into which React components will be rendered.
* This also creates the "reactRoot" ID that will be assigned to the element
* rendered within.
*
* @param {DOMElement} container DOM element to register as a container.
* @return {string} The "reactRoot" ID of elements rendered within.
*/
registerContainer: function(container) {
var reactRootID = getReactRootID(container);
if (reactRootID) {
// If one exists, make sure it is a valid "reactRoot" ID.
reactRootID = ReactInstanceHandles.getReactRootIDFromNodeID(reactRootID);
}
if (!reactRootID) {
// No valid "reactRoot" ID found, create one.
reactRootID = ReactInstanceHandles.createReactRootID();
}
containersByReactRootID[reactRootID] = container;
return reactRootID;
},
/**
* Unmounts and destroys the React component rendered in the `container`.
*
* @param {DOMElement} container DOM element containing a React component.
* @return {boolean} True if a component was found in and unmounted from
* `container`
*/
unmountComponentAtNode: function(container) {
// Various parts of our code (such as ReactCompositeComponent's
// _renderValidatedComponent) assume that calls to render aren't nested;
// verify that that's the case. (Strictly speaking, unmounting won't cause a
// render but we still don't expect to be in a render call here.)
("production" !== "development" ? warning(
ReactCurrentOwner.current == null,
'unmountComponentAtNode(): Render methods should be a pure function of ' +
'props and state; triggering nested component updates from render is ' +
'not allowed. If necessary, trigger nested updates in ' +
'componentDidUpdate.'
) : null);
var reactRootID = getReactRootID(container);
var component = instancesByReactRootID[reactRootID];
if (!component) {
return false;
}
ReactMount.unmountComponentFromNode(component, container);
delete instancesByReactRootID[reactRootID];
delete containersByReactRootID[reactRootID];
if ("production" !== "development") {
delete rootElementsByReactRootID[reactRootID];
}
return true;
},
/**
* Unmounts a component and removes it from the DOM.
*
* @param {ReactComponent} instance React component instance.
* @param {DOMElement} container DOM element to unmount from.
* @final
* @internal
* @see {ReactMount.unmountComponentAtNode}
*/
unmountComponentFromNode: function(instance, container) {
instance.unmountComponent();
if (container.nodeType === DOC_NODE_TYPE) {
container = container.documentElement;
}
// http://jsperf.com/emptying-a-node
while (container.lastChild) {
container.removeChild(container.lastChild);
}
},
/**
* Finds the container DOM element that contains React component to which the
* supplied DOM `id` belongs.
*
* @param {string} id The ID of an element rendered by a React component.
* @return {?DOMElement} DOM element that contains the `id`.
*/
findReactContainerForID: function(id) {
var reactRootID = ReactInstanceHandles.getReactRootIDFromNodeID(id);
var container = containersByReactRootID[reactRootID];
if ("production" !== "development") {
var rootElement = rootElementsByReactRootID[reactRootID];
if (rootElement && rootElement.parentNode !== container) {
("production" !== "development" ? invariant(
// Call internalGetID here because getID calls isValid which calls
// findReactContainerForID (this function).
internalGetID(rootElement) === reactRootID,
'ReactMount: Root element ID differed from reactRootID.'
) : invariant(// Call internalGetID here because getID calls isValid which calls
// findReactContainerForID (this function).
internalGetID(rootElement) === reactRootID));
var containerChild = container.firstChild;
if (containerChild &&
reactRootID === internalGetID(containerChild)) {
// If the container has a new child with the same ID as the old
// root element, then rootElementsByReactRootID[reactRootID] is
// just stale and needs to be updated. The case that deserves a
// warning is when the container is empty.
rootElementsByReactRootID[reactRootID] = containerChild;
} else {
console.warn(
'ReactMount: Root element has been removed from its original ' +
'container. New container:', rootElement.parentNode
);
}
}
}
return container;
},
/**
* Finds an element rendered by React with the supplied ID.
*
* @param {string} id ID of a DOM node in the React component.
* @return {DOMElement} Root DOM node of the React component.
*/
findReactNodeByID: function(id) {
var reactRoot = ReactMount.findReactContainerForID(id);
return ReactMount.findComponentRoot(reactRoot, id);
},
/**
* True if the supplied `node` is rendered by React.
*
* @param {*} node DOM Element to check.
* @return {boolean} True if the DOM Element appears to be rendered by React.
* @internal
*/
isRenderedByReact: function(node) {
if (node.nodeType !== 1) {
// Not a DOMElement, therefore not a React component
return false;
}
var id = ReactMount.getID(node);
return id ? id.charAt(0) === SEPARATOR : false;
},
/**
* Traverses up the ancestors of the supplied node to find a node that is a
* DOM representation of a React component.
*
* @param {*} node
* @return {?DOMEventTarget}
* @internal
*/
getFirstReactDOM: function(node) {
var current = node;
while (current && current.parentNode !== current) {
if (ReactMount.isRenderedByReact(current)) {
return current;
}
current = current.parentNode;
}
return null;
},
/**
* Finds a node with the supplied `targetID` inside of the supplied
* `ancestorNode`. Exploits the ID naming scheme to perform the search
* quickly.
*
* @param {DOMEventTarget} ancestorNode Search from this root.
* @pararm {string} targetID ID of the DOM representation of the component.
* @return {DOMEventTarget} DOM node with the supplied `targetID`.
* @internal
*/
findComponentRoot: function(ancestorNode, targetID) {
var firstChildren = findComponentRootReusableArray;
var childIndex = 0;
var deepestAncestor = findDeepestCachedAncestor(targetID) || ancestorNode;
firstChildren[0] = deepestAncestor.firstChild;
firstChildren.length = 1;
while (childIndex < firstChildren.length) {
var child = firstChildren[childIndex++];
var targetChild;
while (child) {
var childID = ReactMount.getID(child);
if (childID) {
// Even if we find the node we're looking for, we finish looping
// through its siblings to ensure they're cached so that we don't have
// to revisit this node again. Otherwise, we make n^2 calls to getID
// when visiting the many children of a single node in order.
if (targetID === childID) {
targetChild = child;
} else if (ReactInstanceHandles.isAncestorIDOf(childID, targetID)) {
// If we find a child whose ID is an ancestor of the given ID,
// then we can be sure that we only want to search the subtree
// rooted at this child, so we can throw out the rest of the
// search state.
firstChildren.length = childIndex = 0;
firstChildren.push(child.firstChild);
}
} else {
// If this child had no ID, then there's a chance that it was
// injected automatically by the browser, as when a `<table>`
// element sprouts an extra `<tbody>` child as a side effect of
// `.innerHTML` parsing. Optimistically continue down this
// branch, but not before examining the other siblings.
firstChildren.push(child.firstChild);
}
child = child.nextSibling;
}
if (targetChild) {
// Emptying firstChildren/findComponentRootReusableArray is
// not necessary for correctness, but it helps the GC reclaim
// any nodes that were left at the end of the search.
firstChildren.length = 0;
return targetChild;
}
}
firstChildren.length = 0;
("production" !== "development" ? invariant(
false,
'findComponentRoot(..., %s): Unable to find element. This probably ' +
'means the DOM was unexpectedly mutated (e.g., by the browser), ' +
'usually due to forgetting a <tbody> when using tables, nesting <p> ' +
'or <a> tags, or using non-SVG elements in an <svg> parent. Try ' +
'inspecting the child nodes of the element with React ID `%s`.',
targetID,
ReactMount.getID(ancestorNode)
) : invariant(false));
},
/**
* React ID utilities.
*/
getReactRootID: getReactRootID,
getID: getID,
setID: setID,
getNode: getNode,
purgeID: purgeID
};
module.exports = ReactMount;
},{"./DOMProperty":10,"./ReactBrowserEventEmitter":29,"./ReactCurrentOwner":35,"./ReactDescriptor":51,"./ReactInstanceHandles":59,"./ReactPerf":65,"./containsNode":96,"./getReactRootElementInContainer":114,"./instantiateReactComponent":119,"./invariant":120,"./shouldUpdateReactComponent":140,"./warning":143}],62:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactMultiChild
* @typechecks static-only
*/
"use strict";
var ReactComponent = _dereq_("./ReactComponent");
var ReactMultiChildUpdateTypes = _dereq_("./ReactMultiChildUpdateTypes");
var flattenChildren = _dereq_("./flattenChildren");
var instantiateReactComponent = _dereq_("./instantiateReactComponent");
var shouldUpdateReactComponent = _dereq_("./shouldUpdateReactComponent");
/**
* Updating children of a component may trigger recursive updates. The depth is
* used to batch recursive updates to render markup more efficiently.
*
* @type {number}
* @private
*/
var updateDepth = 0;
/**
* Queue of update configuration objects.
*
* Each object has a `type` property that is in `ReactMultiChildUpdateTypes`.
*
* @type {array<object>}
* @private
*/
var updateQueue = [];
/**
* Queue of markup to be rendered.
*
* @type {array<string>}
* @private
*/
var markupQueue = [];
/**
* Enqueues markup to be rendered and inserted at a supplied index.
*
* @param {string} parentID ID of the parent component.
* @param {string} markup Markup that renders into an element.
* @param {number} toIndex Destination index.
* @private
*/
function enqueueMarkup(parentID, markup, toIndex) {
// NOTE: Null values reduce hidden classes.
updateQueue.push({
parentID: parentID,
parentNode: null,
type: ReactMultiChildUpdateTypes.INSERT_MARKUP,
markupIndex: markupQueue.push(markup) - 1,
textContent: null,
fromIndex: null,
toIndex: toIndex
});
}
/**
* Enqueues moving an existing element to another index.
*
* @param {string} parentID ID of the parent component.
* @param {number} fromIndex Source index of the existing element.
* @param {number} toIndex Destination index of the element.
* @private
*/
function enqueueMove(parentID, fromIndex, toIndex) {
// NOTE: Null values reduce hidden classes.
updateQueue.push({
parentID: parentID,
parentNode: null,
type: ReactMultiChildUpdateTypes.MOVE_EXISTING,
markupIndex: null,
textContent: null,
fromIndex: fromIndex,
toIndex: toIndex
});
}
/**
* Enqueues removing an element at an index.
*
* @param {string} parentID ID of the parent component.
* @param {number} fromIndex Index of the element to remove.
* @private
*/
function enqueueRemove(parentID, fromIndex) {
// NOTE: Null values reduce hidden classes.
updateQueue.push({
parentID: parentID,
parentNode: null,
type: ReactMultiChildUpdateTypes.REMOVE_NODE,
markupIndex: null,
textContent: null,
fromIndex: fromIndex,
toIndex: null
});
}
/**
* Enqueues setting the text content.
*
* @param {string} parentID ID of the parent component.
* @param {string} textContent Text content to set.
* @private
*/
function enqueueTextContent(parentID, textContent) {
// NOTE: Null values reduce hidden classes.
updateQueue.push({
parentID: parentID,
parentNode: null,
type: ReactMultiChildUpdateTypes.TEXT_CONTENT,
markupIndex: null,
textContent: textContent,
fromIndex: null,
toIndex: null
});
}
/**
* Processes any enqueued updates.
*
* @private
*/
function processQueue() {
if (updateQueue.length) {
ReactComponent.BackendIDOperations.dangerouslyProcessChildrenUpdates(
updateQueue,
markupQueue
);
clearQueue();
}
}
/**
* Clears any enqueued updates.
*
* @private
*/
function clearQueue() {
updateQueue.length = 0;
markupQueue.length = 0;
}
/**
* ReactMultiChild are capable of reconciling multiple children.
*
* @class ReactMultiChild
* @internal
*/
var ReactMultiChild = {
/**
* Provides common functionality for components that must reconcile multiple
* children. This is used by `ReactDOMComponent` to mount, update, and
* unmount child components.
*
* @lends {ReactMultiChild.prototype}
*/
Mixin: {
/**
* Generates a "mount image" for each of the supplied children. In the case
* of `ReactDOMComponent`, a mount image is a string of markup.
*
* @param {?object} nestedChildren Nested child maps.
* @return {array} An array of mounted representations.
* @internal
*/
mountChildren: function(nestedChildren, transaction) {
var children = flattenChildren(nestedChildren);
var mountImages = [];
var index = 0;
this._renderedChildren = children;
for (var name in children) {
var child = children[name];
if (children.hasOwnProperty(name)) {
// The rendered children must be turned into instances as they're
// mounted.
var childInstance = instantiateReactComponent(child);
children[name] = childInstance;
// Inlined for performance, see `ReactInstanceHandles.createReactID`.
var rootID = this._rootNodeID + name;
var mountImage = childInstance.mountComponent(
rootID,
transaction,
this._mountDepth + 1
);
childInstance._mountIndex = index;
mountImages.push(mountImage);
index++;
}
}
return mountImages;
},
/**
* Replaces any rendered children with a text content string.
*
* @param {string} nextContent String of content.
* @internal
*/
updateTextContent: function(nextContent) {
updateDepth++;
var errorThrown = true;
try {
var prevChildren = this._renderedChildren;
// Remove any rendered children.
for (var name in prevChildren) {
if (prevChildren.hasOwnProperty(name)) {
this._unmountChildByName(prevChildren[name], name);
}
}
// Set new text content.
this.setTextContent(nextContent);
errorThrown = false;
} finally {
updateDepth--;
if (!updateDepth) {
errorThrown ? clearQueue() : processQueue();
}
}
},
/**
* Updates the rendered children with new children.
*
* @param {?object} nextNestedChildren Nested child maps.
* @param {ReactReconcileTransaction} transaction
* @internal
*/
updateChildren: function(nextNestedChildren, transaction) {
updateDepth++;
var errorThrown = true;
try {
this._updateChildren(nextNestedChildren, transaction);
errorThrown = false;
} finally {
updateDepth--;
if (!updateDepth) {
errorThrown ? clearQueue() : processQueue();
}
}
},
/**
* Improve performance by isolating this hot code path from the try/catch
* block in `updateChildren`.
*
* @param {?object} nextNestedChildren Nested child maps.
* @param {ReactReconcileTransaction} transaction
* @final
* @protected
*/
_updateChildren: function(nextNestedChildren, transaction) {
var nextChildren = flattenChildren(nextNestedChildren);
var prevChildren = this._renderedChildren;
if (!nextChildren && !prevChildren) {
return;
}
var name;
// `nextIndex` will increment for each child in `nextChildren`, but
// `lastIndex` will be the last index visited in `prevChildren`.
var lastIndex = 0;
var nextIndex = 0;
for (name in nextChildren) {
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
var prevChild = prevChildren && prevChildren[name];
var prevDescriptor = prevChild && prevChild._descriptor;
var nextDescriptor = nextChildren[name];
if (shouldUpdateReactComponent(prevDescriptor, nextDescriptor)) {
this.moveChild(prevChild, nextIndex, lastIndex);
lastIndex = Math.max(prevChild._mountIndex, lastIndex);
prevChild.receiveComponent(nextDescriptor, transaction);
prevChild._mountIndex = nextIndex;
} else {
if (prevChild) {
// Update `lastIndex` before `_mountIndex` gets unset by unmounting.
lastIndex = Math.max(prevChild._mountIndex, lastIndex);
this._unmountChildByName(prevChild, name);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextDescriptor);
this._mountChildByNameAtIndex(
nextChildInstance, name, nextIndex, transaction
);
}
nextIndex++;
}
// Remove children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) &&
!(nextChildren && nextChildren[name])) {
this._unmountChildByName(prevChildren[name], name);
}
}
},
/**
* Unmounts all rendered children. This should be used to clean up children
* when this component is unmounted.
*
* @internal
*/
unmountChildren: function() {
var renderedChildren = this._renderedChildren;
for (var name in renderedChildren) {
var renderedChild = renderedChildren[name];
// TODO: When is this not true?
if (renderedChild.unmountComponent) {
renderedChild.unmountComponent();
}
}
this._renderedChildren = null;
},
/**
* Moves a child component to the supplied index.
*
* @param {ReactComponent} child Component to move.
* @param {number} toIndex Destination index of the element.
* @param {number} lastIndex Last index visited of the siblings of `child`.
* @protected
*/
moveChild: function(child, toIndex, lastIndex) {
// If the index of `child` is less than `lastIndex`, then it needs to
// be moved. Otherwise, we do not need to move it because a child will be
// inserted or moved before `child`.
if (child._mountIndex < lastIndex) {
enqueueMove(this._rootNodeID, child._mountIndex, toIndex);
}
},
/**
* Creates a child component.
*
* @param {ReactComponent} child Component to create.
* @param {string} mountImage Markup to insert.
* @protected
*/
createChild: function(child, mountImage) {
enqueueMarkup(this._rootNodeID, mountImage, child._mountIndex);
},
/**
* Removes a child component.
*
* @param {ReactComponent} child Child to remove.
* @protected
*/
removeChild: function(child) {
enqueueRemove(this._rootNodeID, child._mountIndex);
},
/**
* Sets this text content string.
*
* @param {string} textContent Text content to set.
* @protected
*/
setTextContent: function(textContent) {
enqueueTextContent(this._rootNodeID, textContent);
},
/**
* Mounts a child with the supplied name.
*
* NOTE: This is part of `updateChildren` and is here for readability.
*
* @param {ReactComponent} child Component to mount.
* @param {string} name Name of the child.
* @param {number} index Index at which to insert the child.
* @param {ReactReconcileTransaction} transaction
* @private
*/
_mountChildByNameAtIndex: function(child, name, index, transaction) {
// Inlined for performance, see `ReactInstanceHandles.createReactID`.
var rootID = this._rootNodeID + name;
var mountImage = child.mountComponent(
rootID,
transaction,
this._mountDepth + 1
);
child._mountIndex = index;
this.createChild(child, mountImage);
this._renderedChildren = this._renderedChildren || {};
this._renderedChildren[name] = child;
},
/**
* Unmounts a rendered child by name.
*
* NOTE: This is part of `updateChildren` and is here for readability.
*
* @param {ReactComponent} child Component to unmount.
* @param {string} name Name of the child in `this._renderedChildren`.
* @private
*/
_unmountChildByName: function(child, name) {
this.removeChild(child);
child._mountIndex = null;
child.unmountComponent();
delete this._renderedChildren[name];
}
}
};
module.exports = ReactMultiChild;
},{"./ReactComponent":31,"./ReactMultiChildUpdateTypes":63,"./flattenChildren":105,"./instantiateReactComponent":119,"./shouldUpdateReactComponent":140}],63:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactMultiChildUpdateTypes
*/
"use strict";
var keyMirror = _dereq_("./keyMirror");
/**
* When a component's children are updated, a series of update configuration
* objects are created in order to batch and serialize the required changes.
*
* Enumerates all the possible types of update configurations.
*
* @internal
*/
var ReactMultiChildUpdateTypes = keyMirror({
INSERT_MARKUP: null,
MOVE_EXISTING: null,
REMOVE_NODE: null,
TEXT_CONTENT: null
});
module.exports = ReactMultiChildUpdateTypes;
},{"./keyMirror":126}],64:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactOwner
*/
"use strict";
var emptyObject = _dereq_("./emptyObject");
var invariant = _dereq_("./invariant");
/**
* ReactOwners are capable of storing references to owned components.
*
* All components are capable of //being// referenced by owner components, but
* only ReactOwner components are capable of //referencing// owned components.
* The named reference is known as a "ref".
*
* Refs are available when mounted and updated during reconciliation.
*
* var MyComponent = React.createClass({
* render: function() {
* return (
* <div onClick={this.handleClick}>
* <CustomComponent ref="custom" />
* </div>
* );
* },
* handleClick: function() {
* this.refs.custom.handleClick();
* },
* componentDidMount: function() {
* this.refs.custom.initialize();
* }
* });
*
* Refs should rarely be used. When refs are used, they should only be done to
* control data that is not handled by React's data flow.
*
* @class ReactOwner
*/
var ReactOwner = {
/**
* @param {?object} object
* @return {boolean} True if `object` is a valid owner.
* @final
*/
isValidOwner: function(object) {
return !!(
object &&
typeof object.attachRef === 'function' &&
typeof object.detachRef === 'function'
);
},
/**
* Adds a component by ref to an owner component.
*
* @param {ReactComponent} component Component to reference.
* @param {string} ref Name by which to refer to the component.
* @param {ReactOwner} owner Component on which to record the ref.
* @final
* @internal
*/
addComponentAsRefTo: function(component, ref, owner) {
("production" !== "development" ? invariant(
ReactOwner.isValidOwner(owner),
'addComponentAsRefTo(...): Only a ReactOwner can have refs. This ' +
'usually means that you\'re trying to add a ref to a component that ' +
'doesn\'t have an owner (that is, was not created inside of another ' +
'component\'s `render` method). Try rendering this component inside of ' +
'a new top-level component which will hold the ref.'
) : invariant(ReactOwner.isValidOwner(owner)));
owner.attachRef(ref, component);
},
/**
* Removes a component by ref from an owner component.
*
* @param {ReactComponent} component Component to dereference.
* @param {string} ref Name of the ref to remove.
* @param {ReactOwner} owner Component on which the ref is recorded.
* @final
* @internal
*/
removeComponentAsRefFrom: function(component, ref, owner) {
("production" !== "development" ? invariant(
ReactOwner.isValidOwner(owner),
'removeComponentAsRefFrom(...): Only a ReactOwner can have refs. This ' +
'usually means that you\'re trying to remove a ref to a component that ' +
'doesn\'t have an owner (that is, was not created inside of another ' +
'component\'s `render` method). Try rendering this component inside of ' +
'a new top-level component which will hold the ref.'
) : invariant(ReactOwner.isValidOwner(owner)));
// Check that `component` is still the current ref because we do not want to
// detach the ref if another component stole it.
if (owner.refs[ref] === component) {
owner.detachRef(ref);
}
},
/**
* A ReactComponent must mix this in to have refs.
*
* @lends {ReactOwner.prototype}
*/
Mixin: {
construct: function() {
this.refs = emptyObject;
},
/**
* Lazily allocates the refs object and stores `component` as `ref`.
*
* @param {string} ref Reference name.
* @param {component} component Component to store as `ref`.
* @final
* @private
*/
attachRef: function(ref, component) {
("production" !== "development" ? invariant(
component.isOwnedBy(this),
'attachRef(%s, ...): Only a component\'s owner can store a ref to it.',
ref
) : invariant(component.isOwnedBy(this)));
var refs = this.refs === emptyObject ? (this.refs = {}) : this.refs;
refs[ref] = component;
},
/**
* Detaches a reference name.
*
* @param {string} ref Name to dereference.
* @final
* @private
*/
detachRef: function(ref) {
delete this.refs[ref];
}
}
};
module.exports = ReactOwner;
},{"./emptyObject":103,"./invariant":120}],65:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactPerf
* @typechecks static-only
*/
"use strict";
/**
* ReactPerf is a general AOP system designed to measure performance. This
* module only has the hooks: see ReactDefaultPerf for the analysis tool.
*/
var ReactPerf = {
/**
* Boolean to enable/disable measurement. Set to false by default to prevent
* accidental logging and perf loss.
*/
enableMeasure: false,
/**
* Holds onto the measure function in use. By default, don't measure
* anything, but we'll override this if we inject a measure function.
*/
storedMeasure: _noMeasure,
/**
* Use this to wrap methods you want to measure. Zero overhead in production.
*
* @param {string} objName
* @param {string} fnName
* @param {function} func
* @return {function}
*/
measure: function(objName, fnName, func) {
if ("production" !== "development") {
var measuredFunc = null;
return function() {
if (ReactPerf.enableMeasure) {
if (!measuredFunc) {
measuredFunc = ReactPerf.storedMeasure(objName, fnName, func);
}
return measuredFunc.apply(this, arguments);
}
return func.apply(this, arguments);
};
}
return func;
},
injection: {
/**
* @param {function} measure
*/
injectMeasure: function(measure) {
ReactPerf.storedMeasure = measure;
}
}
};
/**
* Simply passes through the measured function, without measuring it.
*
* @param {string} objName
* @param {string} fnName
* @param {function} func
* @return {function}
*/
function _noMeasure(objName, fnName, func) {
return func;
}
module.exports = ReactPerf;
},{}],66:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactPropTransferer
*/
"use strict";
var emptyFunction = _dereq_("./emptyFunction");
var invariant = _dereq_("./invariant");
var joinClasses = _dereq_("./joinClasses");
var merge = _dereq_("./merge");
/**
* Creates a transfer strategy that will merge prop values using the supplied
* `mergeStrategy`. If a prop was previously unset, this just sets it.
*
* @param {function} mergeStrategy
* @return {function}
*/
function createTransferStrategy(mergeStrategy) {
return function(props, key, value) {
if (!props.hasOwnProperty(key)) {
props[key] = value;
} else {
props[key] = mergeStrategy(props[key], value);
}
};
}
var transferStrategyMerge = createTransferStrategy(function(a, b) {
// `merge` overrides the first object's (`props[key]` above) keys using the
// second object's (`value`) keys. An object's style's existing `propA` would
// get overridden. Flip the order here.
return merge(b, a);
});
/**
* Transfer strategies dictate how props are transferred by `transferPropsTo`.
* NOTE: if you add any more exceptions to this list you should be sure to
* update `cloneWithProps()` accordingly.
*/
var TransferStrategies = {
/**
* Never transfer `children`.
*/
children: emptyFunction,
/**
* Transfer the `className` prop by merging them.
*/
className: createTransferStrategy(joinClasses),
/**
* Never transfer the `key` prop.
*/
key: emptyFunction,
/**
* Never transfer the `ref` prop.
*/
ref: emptyFunction,
/**
* Transfer the `style` prop (which is an object) by merging them.
*/
style: transferStrategyMerge
};
/**
* Mutates the first argument by transferring the properties from the second
* argument.
*
* @param {object} props
* @param {object} newProps
* @return {object}
*/
function transferInto(props, newProps) {
for (var thisKey in newProps) {
if (!newProps.hasOwnProperty(thisKey)) {
continue;
}
var transferStrategy = TransferStrategies[thisKey];
if (transferStrategy && TransferStrategies.hasOwnProperty(thisKey)) {
transferStrategy(props, thisKey, newProps[thisKey]);
} else if (!props.hasOwnProperty(thisKey)) {
props[thisKey] = newProps[thisKey];
}
}
return props;
}
/**
* ReactPropTransferer are capable of transferring props to another component
* using a `transferPropsTo` method.
*
* @class ReactPropTransferer
*/
var ReactPropTransferer = {
TransferStrategies: TransferStrategies,
/**
* Merge two props objects using TransferStrategies.
*
* @param {object} oldProps original props (they take precedence)
* @param {object} newProps new props to merge in
* @return {object} a new object containing both sets of props merged.
*/
mergeProps: function(oldProps, newProps) {
return transferInto(merge(oldProps), newProps);
},
/**
* @lends {ReactPropTransferer.prototype}
*/
Mixin: {
/**
* Transfer props from this component to a target component.
*
* Props that do not have an explicit transfer strategy will be transferred
* only if the target component does not already have the prop set.
*
* This is usually used to pass down props to a returned root component.
*
* @param {ReactDescriptor} descriptor Component receiving the properties.
* @return {ReactDescriptor} The supplied `component`.
* @final
* @protected
*/
transferPropsTo: function(descriptor) {
("production" !== "development" ? invariant(
descriptor._owner === this,
'%s: You can\'t call transferPropsTo() on a component that you ' +
'don\'t own, %s. This usually means you are calling ' +
'transferPropsTo() on a component passed in as props or children.',
this.constructor.displayName,
descriptor.type.displayName
) : invariant(descriptor._owner === this));
// Because descriptors are immutable we have to merge into the existing
// props object rather than clone it.
transferInto(descriptor.props, this.props);
return descriptor;
}
}
};
module.exports = ReactPropTransferer;
},{"./emptyFunction":102,"./invariant":120,"./joinClasses":125,"./merge":130}],67:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactPropTypeLocationNames
*/
"use strict";
var ReactPropTypeLocationNames = {};
if ("production" !== "development") {
ReactPropTypeLocationNames = {
prop: 'prop',
context: 'context',
childContext: 'child context'
};
}
module.exports = ReactPropTypeLocationNames;
},{}],68:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactPropTypeLocations
*/
"use strict";
var keyMirror = _dereq_("./keyMirror");
var ReactPropTypeLocations = keyMirror({
prop: null,
context: null,
childContext: null
});
module.exports = ReactPropTypeLocations;
},{"./keyMirror":126}],69:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactPropTypes
*/
"use strict";
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactPropTypeLocationNames = _dereq_("./ReactPropTypeLocationNames");
var emptyFunction = _dereq_("./emptyFunction");
/**
* Collection of methods that allow declaration and validation of props that are
* supplied to React components. Example usage:
*
* var Props = require('ReactPropTypes');
* var MyArticle = React.createClass({
* propTypes: {
* // An optional string prop named "description".
* description: Props.string,
*
* // A required enum prop named "category".
* category: Props.oneOf(['News','Photos']).isRequired,
*
* // A prop named "dialog" that requires an instance of Dialog.
* dialog: Props.instanceOf(Dialog).isRequired
* },
* render: function() { ... }
* });
*
* A more formal specification of how these methods are used:
*
* type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)
* decl := ReactPropTypes.{type}(.isRequired)?
*
* Each and every declaration produces a function with the same signature. This
* allows the creation of custom validation functions. For example:
*
* var MyLink = React.createClass({
* propTypes: {
* // An optional string or URI prop named "href".
* href: function(props, propName, componentName) {
* var propValue = props[propName];
* if (propValue != null && typeof propValue !== 'string' &&
* !(propValue instanceof URI)) {
* return new Error(
* 'Expected a string or an URI for ' + propName + ' in ' +
* componentName
* );
* }
* }
* },
* render: function() {...}
* });
*
* @internal
*/
var ANONYMOUS = '<<anonymous>>';
var ReactPropTypes = {
array: createPrimitiveTypeChecker('array'),
bool: createPrimitiveTypeChecker('boolean'),
func: createPrimitiveTypeChecker('function'),
number: createPrimitiveTypeChecker('number'),
object: createPrimitiveTypeChecker('object'),
string: createPrimitiveTypeChecker('string'),
any: createAnyTypeChecker(),
arrayOf: createArrayOfTypeChecker,
component: createComponentTypeChecker(),
instanceOf: createInstanceTypeChecker,
objectOf: createObjectOfTypeChecker,
oneOf: createEnumTypeChecker,
oneOfType: createUnionTypeChecker,
renderable: createRenderableTypeChecker(),
shape: createShapeTypeChecker
};
function createChainableTypeChecker(validate) {
function checkType(isRequired, props, propName, componentName, location) {
componentName = componentName || ANONYMOUS;
if (props[propName] == null) {
var locationName = ReactPropTypeLocationNames[location];
if (isRequired) {
return new Error(
("Required " + locationName + " `" + propName + "` was not specified in ")+
("`" + componentName + "`.")
);
}
} else {
return validate(props, propName, componentName, location);
}
}
var chainedCheckType = checkType.bind(null, false);
chainedCheckType.isRequired = checkType.bind(null, true);
return chainedCheckType;
}
function createPrimitiveTypeChecker(expectedType) {
function validate(props, propName, componentName, location) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== expectedType) {
var locationName = ReactPropTypeLocationNames[location];
// `propValue` being instance of, say, date/regexp, pass the 'object'
// check, but we can offer a more precise error message here rather than
// 'of type `object`'.
var preciseType = getPreciseType(propValue);
return new Error(
("Invalid " + locationName + " `" + propName + "` of type `" + preciseType + "` ") +
("supplied to `" + componentName + "`, expected `" + expectedType + "`.")
);
}
}
return createChainableTypeChecker(validate);
}
function createAnyTypeChecker() {
return createChainableTypeChecker(emptyFunction.thatReturns());
}
function createArrayOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location) {
var propValue = props[propName];
if (!Array.isArray(propValue)) {
var locationName = ReactPropTypeLocationNames[location];
var propType = getPropType(propValue);
return new Error(
("Invalid " + locationName + " `" + propName + "` of type ") +
("`" + propType + "` supplied to `" + componentName + "`, expected an array.")
);
}
for (var i = 0; i < propValue.length; i++) {
var error = typeChecker(propValue, i, componentName, location);
if (error instanceof Error) {
return error;
}
}
}
return createChainableTypeChecker(validate);
}
function createComponentTypeChecker() {
function validate(props, propName, componentName, location) {
if (!ReactDescriptor.isValidDescriptor(props[propName])) {
var locationName = ReactPropTypeLocationNames[location];
return new Error(
("Invalid " + locationName + " `" + propName + "` supplied to ") +
("`" + componentName + "`, expected a React component.")
);
}
}
return createChainableTypeChecker(validate);
}
function createInstanceTypeChecker(expectedClass) {
function validate(props, propName, componentName, location) {
if (!(props[propName] instanceof expectedClass)) {
var locationName = ReactPropTypeLocationNames[location];
var expectedClassName = expectedClass.name || ANONYMOUS;
return new Error(
("Invalid " + locationName + " `" + propName + "` supplied to ") +
("`" + componentName + "`, expected instance of `" + expectedClassName + "`.")
);
}
}
return createChainableTypeChecker(validate);
}
function createEnumTypeChecker(expectedValues) {
function validate(props, propName, componentName, location) {
var propValue = props[propName];
for (var i = 0; i < expectedValues.length; i++) {
if (propValue === expectedValues[i]) {
return;
}
}
var locationName = ReactPropTypeLocationNames[location];
var valuesString = JSON.stringify(expectedValues);
return new Error(
("Invalid " + locationName + " `" + propName + "` of value `" + propValue + "` ") +
("supplied to `" + componentName + "`, expected one of " + valuesString + ".")
);
}
return createChainableTypeChecker(validate);
}
function createObjectOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
var locationName = ReactPropTypeLocationNames[location];
return new Error(
("Invalid " + locationName + " `" + propName + "` of type ") +
("`" + propType + "` supplied to `" + componentName + "`, expected an object.")
);
}
for (var key in propValue) {
if (propValue.hasOwnProperty(key)) {
var error = typeChecker(propValue, key, componentName, location);
if (error instanceof Error) {
return error;
}
}
}
}
return createChainableTypeChecker(validate);
}
function createUnionTypeChecker(arrayOfTypeCheckers) {
function validate(props, propName, componentName, location) {
for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
var checker = arrayOfTypeCheckers[i];
if (checker(props, propName, componentName, location) == null) {
return;
}
}
var locationName = ReactPropTypeLocationNames[location];
return new Error(
("Invalid " + locationName + " `" + propName + "` supplied to ") +
("`" + componentName + "`.")
);
}
return createChainableTypeChecker(validate);
}
function createRenderableTypeChecker() {
function validate(props, propName, componentName, location) {
if (!isRenderable(props[propName])) {
var locationName = ReactPropTypeLocationNames[location];
return new Error(
("Invalid " + locationName + " `" + propName + "` supplied to ") +
("`" + componentName + "`, expected a renderable prop.")
);
}
}
return createChainableTypeChecker(validate);
}
function createShapeTypeChecker(shapeTypes) {
function validate(props, propName, componentName, location) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
var locationName = ReactPropTypeLocationNames[location];
return new Error(
("Invalid " + locationName + " `" + propName + "` of type `" + propType + "` ") +
("supplied to `" + componentName + "`, expected `object`.")
);
}
for (var key in shapeTypes) {
var checker = shapeTypes[key];
if (!checker) {
continue;
}
var error = checker(propValue, key, componentName, location);
if (error) {
return error;
}
}
}
return createChainableTypeChecker(validate, 'expected `object`');
}
function isRenderable(propValue) {
switch(typeof propValue) {
// TODO: this was probably written with the assumption that we're not
// returning `this.props.component` directly from `render`. This is
// currently not supported but we should, to make it consistent.
case 'number':
case 'string':
return true;
case 'boolean':
return !propValue;
case 'object':
if (Array.isArray(propValue)) {
return propValue.every(isRenderable);
}
if (ReactDescriptor.isValidDescriptor(propValue)) {
return true;
}
for (var k in propValue) {
if (!isRenderable(propValue[k])) {
return false;
}
}
return true;
default:
return false;
}
}
// Equivalent of `typeof` but with special handling for array and regexp.
function getPropType(propValue) {
var propType = typeof propValue;
if (Array.isArray(propValue)) {
return 'array';
}
if (propValue instanceof RegExp) {
// Old webkits (at least until Android 4.0) return 'function' rather than
// 'object' for typeof a RegExp. We'll normalize this here so that /bla/
// passes PropTypes.object.
return 'object';
}
return propType;
}
// This handles more types than `getPropType`. Only used for error messages.
// See `createPrimitiveTypeChecker`.
function getPreciseType(propValue) {
var propType = getPropType(propValue);
if (propType === 'object') {
if (propValue instanceof Date) {
return 'date';
} else if (propValue instanceof RegExp) {
return 'regexp';
}
}
return propType;
}
module.exports = ReactPropTypes;
},{"./ReactDescriptor":51,"./ReactPropTypeLocationNames":67,"./emptyFunction":102}],70:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactPutListenerQueue
*/
"use strict";
var PooledClass = _dereq_("./PooledClass");
var ReactBrowserEventEmitter = _dereq_("./ReactBrowserEventEmitter");
var mixInto = _dereq_("./mixInto");
function ReactPutListenerQueue() {
this.listenersToPut = [];
}
mixInto(ReactPutListenerQueue, {
enqueuePutListener: function(rootNodeID, propKey, propValue) {
this.listenersToPut.push({
rootNodeID: rootNodeID,
propKey: propKey,
propValue: propValue
});
},
putListeners: function() {
for (var i = 0; i < this.listenersToPut.length; i++) {
var listenerToPut = this.listenersToPut[i];
ReactBrowserEventEmitter.putListener(
listenerToPut.rootNodeID,
listenerToPut.propKey,
listenerToPut.propValue
);
}
},
reset: function() {
this.listenersToPut.length = 0;
},
destructor: function() {
this.reset();
}
});
PooledClass.addPoolingTo(ReactPutListenerQueue);
module.exports = ReactPutListenerQueue;
},{"./PooledClass":26,"./ReactBrowserEventEmitter":29,"./mixInto":133}],71:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactReconcileTransaction
* @typechecks static-only
*/
"use strict";
var CallbackQueue = _dereq_("./CallbackQueue");
var PooledClass = _dereq_("./PooledClass");
var ReactBrowserEventEmitter = _dereq_("./ReactBrowserEventEmitter");
var ReactInputSelection = _dereq_("./ReactInputSelection");
var ReactPutListenerQueue = _dereq_("./ReactPutListenerQueue");
var Transaction = _dereq_("./Transaction");
var mixInto = _dereq_("./mixInto");
/**
* Ensures that, when possible, the selection range (currently selected text
* input) is not disturbed by performing the transaction.
*/
var SELECTION_RESTORATION = {
/**
* @return {Selection} Selection information.
*/
initialize: ReactInputSelection.getSelectionInformation,
/**
* @param {Selection} sel Selection information returned from `initialize`.
*/
close: ReactInputSelection.restoreSelection
};
/**
* Suppresses events (blur/focus) that could be inadvertently dispatched due to
* high level DOM manipulations (like temporarily removing a text input from the
* DOM).
*/
var EVENT_SUPPRESSION = {
/**
* @return {boolean} The enabled status of `ReactBrowserEventEmitter` before
* the reconciliation.
*/
initialize: function() {
var currentlyEnabled = ReactBrowserEventEmitter.isEnabled();
ReactBrowserEventEmitter.setEnabled(false);
return currentlyEnabled;
},
/**
* @param {boolean} previouslyEnabled Enabled status of
* `ReactBrowserEventEmitter` before the reconciliation occured. `close`
* restores the previous value.
*/
close: function(previouslyEnabled) {
ReactBrowserEventEmitter.setEnabled(previouslyEnabled);
}
};
/**
* Provides a queue for collecting `componentDidMount` and
* `componentDidUpdate` callbacks during the the transaction.
*/
var ON_DOM_READY_QUEUEING = {
/**
* Initializes the internal `onDOMReady` queue.
*/
initialize: function() {
this.reactMountReady.reset();
},
/**
* After DOM is flushed, invoke all registered `onDOMReady` callbacks.
*/
close: function() {
this.reactMountReady.notifyAll();
}
};
var PUT_LISTENER_QUEUEING = {
initialize: function() {
this.putListenerQueue.reset();
},
close: function() {
this.putListenerQueue.putListeners();
}
};
/**
* Executed within the scope of the `Transaction` instance. Consider these as
* being member methods, but with an implied ordering while being isolated from
* each other.
*/
var TRANSACTION_WRAPPERS = [
PUT_LISTENER_QUEUEING,
SELECTION_RESTORATION,
EVENT_SUPPRESSION,
ON_DOM_READY_QUEUEING
];
/**
* Currently:
* - The order that these are listed in the transaction is critical:
* - Suppresses events.
* - Restores selection range.
*
* Future:
* - Restore document/overflow scroll positions that were unintentionally
* modified via DOM insertions above the top viewport boundary.
* - Implement/integrate with customized constraint based layout system and keep
* track of which dimensions must be remeasured.
*
* @class ReactReconcileTransaction
*/
function ReactReconcileTransaction() {
this.reinitializeTransaction();
// Only server-side rendering really needs this option (see
// `ReactServerRendering`), but server-side uses
// `ReactServerRenderingTransaction` instead. This option is here so that it's
// accessible and defaults to false when `ReactDOMComponent` and
// `ReactTextComponent` checks it in `mountComponent`.`
this.renderToStaticMarkup = false;
this.reactMountReady = CallbackQueue.getPooled(null);
this.putListenerQueue = ReactPutListenerQueue.getPooled();
}
var Mixin = {
/**
* @see Transaction
* @abstract
* @final
* @return {array<object>} List of operation wrap proceedures.
* TODO: convert to array<TransactionWrapper>
*/
getTransactionWrappers: function() {
return TRANSACTION_WRAPPERS;
},
/**
* @return {object} The queue to collect `onDOMReady` callbacks with.
*/
getReactMountReady: function() {
return this.reactMountReady;
},
getPutListenerQueue: function() {
return this.putListenerQueue;
},
/**
* `PooledClass` looks for this, and will invoke this before allowing this
* instance to be resused.
*/
destructor: function() {
CallbackQueue.release(this.reactMountReady);
this.reactMountReady = null;
ReactPutListenerQueue.release(this.putListenerQueue);
this.putListenerQueue = null;
}
};
mixInto(ReactReconcileTransaction, Transaction.Mixin);
mixInto(ReactReconcileTransaction, Mixin);
PooledClass.addPoolingTo(ReactReconcileTransaction);
module.exports = ReactReconcileTransaction;
},{"./CallbackQueue":5,"./PooledClass":26,"./ReactBrowserEventEmitter":29,"./ReactInputSelection":58,"./ReactPutListenerQueue":70,"./Transaction":92,"./mixInto":133}],72:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactRootIndex
* @typechecks
*/
"use strict";
var ReactRootIndexInjection = {
/**
* @param {function} _createReactRootIndex
*/
injectCreateReactRootIndex: function(_createReactRootIndex) {
ReactRootIndex.createReactRootIndex = _createReactRootIndex;
}
};
var ReactRootIndex = {
createReactRootIndex: null,
injection: ReactRootIndexInjection
};
module.exports = ReactRootIndex;
},{}],73:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @typechecks static-only
* @providesModule ReactServerRendering
*/
"use strict";
var ReactDescriptor = _dereq_("./ReactDescriptor");
var ReactInstanceHandles = _dereq_("./ReactInstanceHandles");
var ReactMarkupChecksum = _dereq_("./ReactMarkupChecksum");
var ReactServerRenderingTransaction =
_dereq_("./ReactServerRenderingTransaction");
var instantiateReactComponent = _dereq_("./instantiateReactComponent");
var invariant = _dereq_("./invariant");
/**
* @param {ReactComponent} component
* @return {string} the HTML markup
*/
function renderComponentToString(component) {
("production" !== "development" ? invariant(
ReactDescriptor.isValidDescriptor(component),
'renderComponentToString(): You must pass a valid ReactComponent.'
) : invariant(ReactDescriptor.isValidDescriptor(component)));
("production" !== "development" ? invariant(
!(arguments.length === 2 && typeof arguments[1] === 'function'),
'renderComponentToString(): This function became synchronous and now ' +
'returns the generated markup. Please remove the second parameter.'
) : invariant(!(arguments.length === 2 && typeof arguments[1] === 'function')));
var transaction;
try {
var id = ReactInstanceHandles.createReactRootID();
transaction = ReactServerRenderingTransaction.getPooled(false);
return transaction.perform(function() {
var componentInstance = instantiateReactComponent(component);
var markup = componentInstance.mountComponent(id, transaction, 0);
return ReactMarkupChecksum.addChecksumToMarkup(markup);
}, null);
} finally {
ReactServerRenderingTransaction.release(transaction);
}
}
/**
* @param {ReactComponent} component
* @return {string} the HTML markup, without the extra React ID and checksum
* (for generating static pages)
*/
function renderComponentToStaticMarkup(component) {
("production" !== "development" ? invariant(
ReactDescriptor.isValidDescriptor(component),
'renderComponentToStaticMarkup(): You must pass a valid ReactComponent.'
) : invariant(ReactDescriptor.isValidDescriptor(component)));
var transaction;
try {
var id = ReactInstanceHandles.createReactRootID();
transaction = ReactServerRenderingTransaction.getPooled(true);
return transaction.perform(function() {
var componentInstance = instantiateReactComponent(component);
return componentInstance.mountComponent(id, transaction, 0);
}, null);
} finally {
ReactServerRenderingTransaction.release(transaction);
}
}
module.exports = {
renderComponentToString: renderComponentToString,
renderComponentToStaticMarkup: renderComponentToStaticMarkup
};
},{"./ReactDescriptor":51,"./ReactInstanceHandles":59,"./ReactMarkupChecksum":60,"./ReactServerRenderingTransaction":74,"./instantiateReactComponent":119,"./invariant":120}],74:[function(_dereq_,module,exports){
/**
* Copyright 2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactServerRenderingTransaction
* @typechecks
*/
"use strict";
var PooledClass = _dereq_("./PooledClass");
var CallbackQueue = _dereq_("./CallbackQueue");
var ReactPutListenerQueue = _dereq_("./ReactPutListenerQueue");
var Transaction = _dereq_("./Transaction");
var emptyFunction = _dereq_("./emptyFunction");
var mixInto = _dereq_("./mixInto");
/**
* Provides a `CallbackQueue` queue for collecting `onDOMReady` callbacks
* during the performing of the transaction.
*/
var ON_DOM_READY_QUEUEING = {
/**
* Initializes the internal `onDOMReady` queue.
*/
initialize: function() {
this.reactMountReady.reset();
},
close: emptyFunction
};
var PUT_LISTENER_QUEUEING = {
initialize: function() {
this.putListenerQueue.reset();
},
close: emptyFunction
};
/**
* Executed within the scope of the `Transaction` instance. Consider these as
* being member methods, but with an implied ordering while being isolated from
* each other.
*/
var TRANSACTION_WRAPPERS = [
PUT_LISTENER_QUEUEING,
ON_DOM_READY_QUEUEING
];
/**
* @class ReactServerRenderingTransaction
* @param {boolean} renderToStaticMarkup
*/
function ReactServerRenderingTransaction(renderToStaticMarkup) {
this.reinitializeTransaction();
this.renderToStaticMarkup = renderToStaticMarkup;
this.reactMountReady = CallbackQueue.getPooled(null);
this.putListenerQueue = ReactPutListenerQueue.getPooled();
}
var Mixin = {
/**
* @see Transaction
* @abstract
* @final
* @return {array} Empty list of operation wrap proceedures.
*/
getTransactionWrappers: function() {
return TRANSACTION_WRAPPERS;
},
/**
* @return {object} The queue to collect `onDOMReady` callbacks with.
*/
getReactMountReady: function() {
return this.reactMountReady;
},
getPutListenerQueue: function() {
return this.putListenerQueue;
},
/**
* `PooledClass` looks for this, and will invoke this before allowing this
* instance to be resused.
*/
destructor: function() {
CallbackQueue.release(this.reactMountReady);
this.reactMountReady = null;
ReactPutListenerQueue.release(this.putListenerQueue);
this.putListenerQueue = null;
}
};
mixInto(ReactServerRenderingTransaction, Transaction.Mixin);
mixInto(ReactServerRenderingTransaction, Mixin);
PooledClass.addPoolingTo(ReactServerRenderingTransaction);
module.exports = ReactServerRenderingTransaction;
},{"./CallbackQueue":5,"./PooledClass":26,"./ReactPutListenerQueue":70,"./Transaction":92,"./emptyFunction":102,"./mixInto":133}],75:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactTextComponent
* @typechecks static-only
*/
"use strict";
var DOMPropertyOperations = _dereq_("./DOMPropertyOperations");
var ReactBrowserComponentMixin = _dereq_("./ReactBrowserComponentMixin");
var ReactComponent = _dereq_("./ReactComponent");
var ReactDescriptor = _dereq_("./ReactDescriptor");
var escapeTextForBrowser = _dereq_("./escapeTextForBrowser");
var mixInto = _dereq_("./mixInto");
/**
* Text nodes violate a couple assumptions that React makes about components:
*
* - When mounting text into the DOM, adjacent text nodes are merged.
* - Text nodes cannot be assigned a React root ID.
*
* This component is used to wrap strings in elements so that they can undergo
* the same reconciliation that is applied to elements.
*
* TODO: Investigate representing React components in the DOM with text nodes.
*
* @class ReactTextComponent
* @extends ReactComponent
* @internal
*/
var ReactTextComponent = function(descriptor) {
this.construct(descriptor);
};
mixInto(ReactTextComponent, ReactComponent.Mixin);
mixInto(ReactTextComponent, ReactBrowserComponentMixin);
mixInto(ReactTextComponent, {
/**
* Creates the markup for this text node. This node is not intended to have
* any features besides containing text content.
*
* @param {string} rootID DOM ID of the root node.
* @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction
* @param {number} mountDepth number of components in the owner hierarchy
* @return {string} Markup for this text node.
* @internal
*/
mountComponent: function(rootID, transaction, mountDepth) {
ReactComponent.Mixin.mountComponent.call(
this,
rootID,
transaction,
mountDepth
);
var escapedText = escapeTextForBrowser(this.props);
if (transaction.renderToStaticMarkup) {
// Normally we'd wrap this in a `span` for the reasons stated above, but
// since this is a situation where React won't take over (static pages),
// we can simply return the text as it is.
return escapedText;
}
return (
'<span ' + DOMPropertyOperations.createMarkupForID(rootID) + '>' +
escapedText +
'</span>'
);
},
/**
* Updates this component by updating the text content.
*
* @param {object} nextComponent Contains the next text content.
* @param {ReactReconcileTransaction} transaction
* @internal
*/
receiveComponent: function(nextComponent, transaction) {
var nextProps = nextComponent.props;
if (nextProps !== this.props) {
this.props = nextProps;
ReactComponent.BackendIDOperations.updateTextContentByID(
this._rootNodeID,
nextProps
);
}
}
});
module.exports = ReactDescriptor.createFactory(ReactTextComponent);
},{"./DOMPropertyOperations":11,"./ReactBrowserComponentMixin":28,"./ReactComponent":31,"./ReactDescriptor":51,"./escapeTextForBrowser":104,"./mixInto":133}],76:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ReactUpdates
*/
"use strict";
var CallbackQueue = _dereq_("./CallbackQueue");
var PooledClass = _dereq_("./PooledClass");
var ReactCurrentOwner = _dereq_("./ReactCurrentOwner");
var ReactPerf = _dereq_("./ReactPerf");
var Transaction = _dereq_("./Transaction");
var invariant = _dereq_("./invariant");
var mixInto = _dereq_("./mixInto");
var warning = _dereq_("./warning");
var dirtyComponents = [];
var batchingStrategy = null;
function ensureInjected() {
("production" !== "development" ? invariant(
ReactUpdates.ReactReconcileTransaction && batchingStrategy,
'ReactUpdates: must inject a reconcile transaction class and batching ' +
'strategy'
) : invariant(ReactUpdates.ReactReconcileTransaction && batchingStrategy));
}
var NESTED_UPDATES = {
initialize: function() {
this.dirtyComponentsLength = dirtyComponents.length;
},
close: function() {
if (this.dirtyComponentsLength !== dirtyComponents.length) {
// Additional updates were enqueued by componentDidUpdate handlers or
// similar; before our own UPDATE_QUEUEING wrapper closes, we want to run
// these new updates so that if A's componentDidUpdate calls setState on
// B, B will update before the callback A's updater provided when calling
// setState.
dirtyComponents.splice(0, this.dirtyComponentsLength);
flushBatchedUpdates();
} else {
dirtyComponents.length = 0;
}
}
};
var UPDATE_QUEUEING = {
initialize: function() {
this.callbackQueue.reset();
},
close: function() {
this.callbackQueue.notifyAll();
}
};
var TRANSACTION_WRAPPERS = [NESTED_UPDATES, UPDATE_QUEUEING];
function ReactUpdatesFlushTransaction() {
this.reinitializeTransaction();
this.dirtyComponentsLength = null;
this.callbackQueue = CallbackQueue.getPooled(null);
this.reconcileTransaction =
ReactUpdates.ReactReconcileTransaction.getPooled();
}
mixInto(ReactUpdatesFlushTransaction, Transaction.Mixin);
mixInto(ReactUpdatesFlushTransaction, {
getTransactionWrappers: function() {
return TRANSACTION_WRAPPERS;
},
destructor: function() {
this.dirtyComponentsLength = null;
CallbackQueue.release(this.callbackQueue);
this.callbackQueue = null;
ReactUpdates.ReactReconcileTransaction.release(this.reconcileTransaction);
this.reconcileTransaction = null;
},
perform: function(method, scope, a) {
// Essentially calls `this.reconcileTransaction.perform(method, scope, a)`
// with this transaction's wrappers around it.
return Transaction.Mixin.perform.call(
this,
this.reconcileTransaction.perform,
this.reconcileTransaction,
method,
scope,
a
);
}
});
PooledClass.addPoolingTo(ReactUpdatesFlushTransaction);
function batchedUpdates(callback, a, b) {
ensureInjected();
batchingStrategy.batchedUpdates(callback, a, b);
}
/**
* Array comparator for ReactComponents by owner depth
*
* @param {ReactComponent} c1 first component you're comparing
* @param {ReactComponent} c2 second component you're comparing
* @return {number} Return value usable by Array.prototype.sort().
*/
function mountDepthComparator(c1, c2) {
return c1._mountDepth - c2._mountDepth;
}
function runBatchedUpdates(transaction) {
var len = transaction.dirtyComponentsLength;
("production" !== "development" ? invariant(
len === dirtyComponents.length,
'Expected flush transaction\'s stored dirty-components length (%s) to ' +
'match dirty-components array length (%s).',
len,
dirtyComponents.length
) : invariant(len === dirtyComponents.length));
// Since reconciling a component higher in the owner hierarchy usually (not
// always -- see shouldComponentUpdate()) will reconcile children, reconcile
// them before their children by sorting the array.
dirtyComponents.sort(mountDepthComparator);
for (var i = 0; i < len; i++) {
// If a component is unmounted before pending changes apply, ignore them
// TODO: Queue unmounts in the same list to avoid this happening at all
var component = dirtyComponents[i];
if (component.isMounted()) {
// If performUpdateIfNecessary happens to enqueue any new updates, we
// shouldn't execute the callbacks until the next render happens, so
// stash the callbacks first
var callbacks = component._pendingCallbacks;
component._pendingCallbacks = null;
component.performUpdateIfNecessary(transaction.reconcileTransaction);
if (callbacks) {
for (var j = 0; j < callbacks.length; j++) {
transaction.callbackQueue.enqueue(
callbacks[j],
component
);
}
}
}
}
}
var flushBatchedUpdates = ReactPerf.measure(
'ReactUpdates',
'flushBatchedUpdates',
function() {
// ReactUpdatesFlushTransaction's wrappers will clear the dirtyComponents
// array and perform any updates enqueued by mount-ready handlers (i.e.,
// componentDidUpdate) but we need to check here too in order to catch
// updates enqueued by setState callbacks.
while (dirtyComponents.length) {
var transaction = ReactUpdatesFlushTransaction.getPooled();
transaction.perform(runBatchedUpdates, null, transaction);
ReactUpdatesFlushTransaction.release(transaction);
}
}
);
/**
* Mark a component as needing a rerender, adding an optional callback to a
* list of functions which will be executed once the rerender occurs.
*/
function enqueueUpdate(component, callback) {
("production" !== "development" ? invariant(
!callback || typeof callback === "function",
'enqueueUpdate(...): You called `setProps`, `replaceProps`, ' +
'`setState`, `replaceState`, or `forceUpdate` with a callback that ' +
'isn\'t callable.'
) : invariant(!callback || typeof callback === "function"));
ensureInjected();
// Various parts of our code (such as ReactCompositeComponent's
// _renderValidatedComponent) assume that calls to render aren't nested;
// verify that that's the case. (This is called by each top-level update
// function, like setProps, setState, forceUpdate, etc.; creation and
// destruction of top-level components is guarded in ReactMount.)
("production" !== "development" ? warning(
ReactCurrentOwner.current == null,
'enqueueUpdate(): Render methods should be a pure function of props ' +
'and state; triggering nested component updates from render is not ' +
'allowed. If necessary, trigger nested updates in ' +
'componentDidUpdate.'
) : null);
if (!batchingStrategy.isBatchingUpdates) {
batchingStrategy.batchedUpdates(enqueueUpdate, component, callback);
return;
}
dirtyComponents.push(component);
if (callback) {
if (component._pendingCallbacks) {
component._pendingCallbacks.push(callback);
} else {
component._pendingCallbacks = [callback];
}
}
}
var ReactUpdatesInjection = {
injectReconcileTransaction: function(ReconcileTransaction) {
("production" !== "development" ? invariant(
ReconcileTransaction,
'ReactUpdates: must provide a reconcile transaction class'
) : invariant(ReconcileTransaction));
ReactUpdates.ReactReconcileTransaction = ReconcileTransaction;
},
injectBatchingStrategy: function(_batchingStrategy) {
("production" !== "development" ? invariant(
_batchingStrategy,
'ReactUpdates: must provide a batching strategy'
) : invariant(_batchingStrategy));
("production" !== "development" ? invariant(
typeof _batchingStrategy.batchedUpdates === 'function',
'ReactUpdates: must provide a batchedUpdates() function'
) : invariant(typeof _batchingStrategy.batchedUpdates === 'function'));
("production" !== "development" ? invariant(
typeof _batchingStrategy.isBatchingUpdates === 'boolean',
'ReactUpdates: must provide an isBatchingUpdates boolean attribute'
) : invariant(typeof _batchingStrategy.isBatchingUpdates === 'boolean'));
batchingStrategy = _batchingStrategy;
}
};
var ReactUpdates = {
/**
* React references `ReactReconcileTransaction` using this property in order
* to allow dependency injection.
*
* @internal
*/
ReactReconcileTransaction: null,
batchedUpdates: batchedUpdates,
enqueueUpdate: enqueueUpdate,
flushBatchedUpdates: flushBatchedUpdates,
injection: ReactUpdatesInjection
};
module.exports = ReactUpdates;
},{"./CallbackQueue":5,"./PooledClass":26,"./ReactCurrentOwner":35,"./ReactPerf":65,"./Transaction":92,"./invariant":120,"./mixInto":133,"./warning":143}],77:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SVGDOMPropertyConfig
*/
/*jslint bitwise: true*/
"use strict";
var DOMProperty = _dereq_("./DOMProperty");
var MUST_USE_ATTRIBUTE = DOMProperty.injection.MUST_USE_ATTRIBUTE;
var SVGDOMPropertyConfig = {
Properties: {
cx: MUST_USE_ATTRIBUTE,
cy: MUST_USE_ATTRIBUTE,
d: MUST_USE_ATTRIBUTE,
dx: MUST_USE_ATTRIBUTE,
dy: MUST_USE_ATTRIBUTE,
fill: MUST_USE_ATTRIBUTE,
fillOpacity: MUST_USE_ATTRIBUTE,
fontFamily: MUST_USE_ATTRIBUTE,
fontSize: MUST_USE_ATTRIBUTE,
fx: MUST_USE_ATTRIBUTE,
fy: MUST_USE_ATTRIBUTE,
gradientTransform: MUST_USE_ATTRIBUTE,
gradientUnits: MUST_USE_ATTRIBUTE,
markerEnd: MUST_USE_ATTRIBUTE,
markerMid: MUST_USE_ATTRIBUTE,
markerStart: MUST_USE_ATTRIBUTE,
offset: MUST_USE_ATTRIBUTE,
opacity: MUST_USE_ATTRIBUTE,
patternContentUnits: MUST_USE_ATTRIBUTE,
patternUnits: MUST_USE_ATTRIBUTE,
points: MUST_USE_ATTRIBUTE,
preserveAspectRatio: MUST_USE_ATTRIBUTE,
r: MUST_USE_ATTRIBUTE,
rx: MUST_USE_ATTRIBUTE,
ry: MUST_USE_ATTRIBUTE,
spreadMethod: MUST_USE_ATTRIBUTE,
stopColor: MUST_USE_ATTRIBUTE,
stopOpacity: MUST_USE_ATTRIBUTE,
stroke: MUST_USE_ATTRIBUTE,
strokeDasharray: MUST_USE_ATTRIBUTE,
strokeLinecap: MUST_USE_ATTRIBUTE,
strokeOpacity: MUST_USE_ATTRIBUTE,
strokeWidth: MUST_USE_ATTRIBUTE,
textAnchor: MUST_USE_ATTRIBUTE,
transform: MUST_USE_ATTRIBUTE,
version: MUST_USE_ATTRIBUTE,
viewBox: MUST_USE_ATTRIBUTE,
x1: MUST_USE_ATTRIBUTE,
x2: MUST_USE_ATTRIBUTE,
x: MUST_USE_ATTRIBUTE,
y1: MUST_USE_ATTRIBUTE,
y2: MUST_USE_ATTRIBUTE,
y: MUST_USE_ATTRIBUTE
},
DOMAttributeNames: {
fillOpacity: 'fill-opacity',
fontFamily: 'font-family',
fontSize: 'font-size',
gradientTransform: 'gradientTransform',
gradientUnits: 'gradientUnits',
markerEnd: 'marker-end',
markerMid: 'marker-mid',
markerStart: 'marker-start',
patternContentUnits: 'patternContentUnits',
patternUnits: 'patternUnits',
preserveAspectRatio: 'preserveAspectRatio',
spreadMethod: 'spreadMethod',
stopColor: 'stop-color',
stopOpacity: 'stop-opacity',
strokeDasharray: 'stroke-dasharray',
strokeLinecap: 'stroke-linecap',
strokeOpacity: 'stroke-opacity',
strokeWidth: 'stroke-width',
textAnchor: 'text-anchor',
viewBox: 'viewBox'
}
};
module.exports = SVGDOMPropertyConfig;
},{"./DOMProperty":10}],78:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SelectEventPlugin
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPropagators = _dereq_("./EventPropagators");
var ReactInputSelection = _dereq_("./ReactInputSelection");
var SyntheticEvent = _dereq_("./SyntheticEvent");
var getActiveElement = _dereq_("./getActiveElement");
var isTextInputElement = _dereq_("./isTextInputElement");
var keyOf = _dereq_("./keyOf");
var shallowEqual = _dereq_("./shallowEqual");
var topLevelTypes = EventConstants.topLevelTypes;
var eventTypes = {
select: {
phasedRegistrationNames: {
bubbled: keyOf({onSelect: null}),
captured: keyOf({onSelectCapture: null})
},
dependencies: [
topLevelTypes.topBlur,
topLevelTypes.topContextMenu,
topLevelTypes.topFocus,
topLevelTypes.topKeyDown,
topLevelTypes.topMouseDown,
topLevelTypes.topMouseUp,
topLevelTypes.topSelectionChange
]
}
};
var activeElement = null;
var activeElementID = null;
var lastSelection = null;
var mouseDown = false;
/**
* Get an object which is a unique representation of the current selection.
*
* The return value will not be consistent across nodes or browsers, but
* two identical selections on the same node will return identical objects.
*
* @param {DOMElement} node
* @param {object}
*/
function getSelection(node) {
if ('selectionStart' in node &&
ReactInputSelection.hasSelectionCapabilities(node)) {
return {
start: node.selectionStart,
end: node.selectionEnd
};
} else if (document.selection) {
var range = document.selection.createRange();
return {
parentElement: range.parentElement(),
text: range.text,
top: range.boundingTop,
left: range.boundingLeft
};
} else {
var selection = window.getSelection();
return {
anchorNode: selection.anchorNode,
anchorOffset: selection.anchorOffset,
focusNode: selection.focusNode,
focusOffset: selection.focusOffset
};
}
}
/**
* Poll selection to see whether it's changed.
*
* @param {object} nativeEvent
* @return {?SyntheticEvent}
*/
function constructSelectEvent(nativeEvent) {
// Ensure we have the right element, and that the user is not dragging a
// selection (this matches native `select` event behavior). In HTML5, select
// fires only on input and textarea thus if there's no focused element we
// won't dispatch.
if (mouseDown ||
activeElement == null ||
activeElement != getActiveElement()) {
return;
}
// Only fire when selection has actually changed.
var currentSelection = getSelection(activeElement);
if (!lastSelection || !shallowEqual(lastSelection, currentSelection)) {
lastSelection = currentSelection;
var syntheticEvent = SyntheticEvent.getPooled(
eventTypes.select,
activeElementID,
nativeEvent
);
syntheticEvent.type = 'select';
syntheticEvent.target = activeElement;
EventPropagators.accumulateTwoPhaseDispatches(syntheticEvent);
return syntheticEvent;
}
}
/**
* This plugin creates an `onSelect` event that normalizes select events
* across form elements.
*
* Supported elements are:
* - input (see `isTextInputElement`)
* - textarea
* - contentEditable
*
* This differs from native browser implementations in the following ways:
* - Fires on contentEditable fields as well as inputs.
* - Fires for collapsed selection.
* - Fires after user input.
*/
var SelectEventPlugin = {
eventTypes: eventTypes,
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
switch (topLevelType) {
// Track the input node that has focus.
case topLevelTypes.topFocus:
if (isTextInputElement(topLevelTarget) ||
topLevelTarget.contentEditable === 'true') {
activeElement = topLevelTarget;
activeElementID = topLevelTargetID;
lastSelection = null;
}
break;
case topLevelTypes.topBlur:
activeElement = null;
activeElementID = null;
lastSelection = null;
break;
// Don't fire the event while the user is dragging. This matches the
// semantics of the native select event.
case topLevelTypes.topMouseDown:
mouseDown = true;
break;
case topLevelTypes.topContextMenu:
case topLevelTypes.topMouseUp:
mouseDown = false;
return constructSelectEvent(nativeEvent);
// Chrome and IE fire non-standard event when selection is changed (and
// sometimes when it hasn't).
// Firefox doesn't support selectionchange, so check selection status
// after each key entry. The selection changes after keydown and before
// keyup, but we check on keydown as well in the case of holding down a
// key, when multiple keydown events are fired but only one keyup is.
case topLevelTypes.topSelectionChange:
case topLevelTypes.topKeyDown:
case topLevelTypes.topKeyUp:
return constructSelectEvent(nativeEvent);
}
}
};
module.exports = SelectEventPlugin;
},{"./EventConstants":15,"./EventPropagators":20,"./ReactInputSelection":58,"./SyntheticEvent":84,"./getActiveElement":108,"./isTextInputElement":123,"./keyOf":127,"./shallowEqual":139}],79:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ServerReactRootIndex
* @typechecks
*/
"use strict";
/**
* Size of the reactRoot ID space. We generate random numbers for React root
* IDs and if there's a collision the events and DOM update system will
* get confused. In the future we need a way to generate GUIDs but for
* now this will work on a smaller scale.
*/
var GLOBAL_MOUNT_POINT_MAX = Math.pow(2, 53);
var ServerReactRootIndex = {
createReactRootIndex: function() {
return Math.ceil(Math.random() * GLOBAL_MOUNT_POINT_MAX);
}
};
module.exports = ServerReactRootIndex;
},{}],80:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SimpleEventPlugin
*/
"use strict";
var EventConstants = _dereq_("./EventConstants");
var EventPluginUtils = _dereq_("./EventPluginUtils");
var EventPropagators = _dereq_("./EventPropagators");
var SyntheticClipboardEvent = _dereq_("./SyntheticClipboardEvent");
var SyntheticEvent = _dereq_("./SyntheticEvent");
var SyntheticFocusEvent = _dereq_("./SyntheticFocusEvent");
var SyntheticKeyboardEvent = _dereq_("./SyntheticKeyboardEvent");
var SyntheticMouseEvent = _dereq_("./SyntheticMouseEvent");
var SyntheticDragEvent = _dereq_("./SyntheticDragEvent");
var SyntheticTouchEvent = _dereq_("./SyntheticTouchEvent");
var SyntheticUIEvent = _dereq_("./SyntheticUIEvent");
var SyntheticWheelEvent = _dereq_("./SyntheticWheelEvent");
var invariant = _dereq_("./invariant");
var keyOf = _dereq_("./keyOf");
var topLevelTypes = EventConstants.topLevelTypes;
var eventTypes = {
blur: {
phasedRegistrationNames: {
bubbled: keyOf({onBlur: true}),
captured: keyOf({onBlurCapture: true})
}
},
click: {
phasedRegistrationNames: {
bubbled: keyOf({onClick: true}),
captured: keyOf({onClickCapture: true})
}
},
contextMenu: {
phasedRegistrationNames: {
bubbled: keyOf({onContextMenu: true}),
captured: keyOf({onContextMenuCapture: true})
}
},
copy: {
phasedRegistrationNames: {
bubbled: keyOf({onCopy: true}),
captured: keyOf({onCopyCapture: true})
}
},
cut: {
phasedRegistrationNames: {
bubbled: keyOf({onCut: true}),
captured: keyOf({onCutCapture: true})
}
},
doubleClick: {
phasedRegistrationNames: {
bubbled: keyOf({onDoubleClick: true}),
captured: keyOf({onDoubleClickCapture: true})
}
},
drag: {
phasedRegistrationNames: {
bubbled: keyOf({onDrag: true}),
captured: keyOf({onDragCapture: true})
}
},
dragEnd: {
phasedRegistrationNames: {
bubbled: keyOf({onDragEnd: true}),
captured: keyOf({onDragEndCapture: true})
}
},
dragEnter: {
phasedRegistrationNames: {
bubbled: keyOf({onDragEnter: true}),
captured: keyOf({onDragEnterCapture: true})
}
},
dragExit: {
phasedRegistrationNames: {
bubbled: keyOf({onDragExit: true}),
captured: keyOf({onDragExitCapture: true})
}
},
dragLeave: {
phasedRegistrationNames: {
bubbled: keyOf({onDragLeave: true}),
captured: keyOf({onDragLeaveCapture: true})
}
},
dragOver: {
phasedRegistrationNames: {
bubbled: keyOf({onDragOver: true}),
captured: keyOf({onDragOverCapture: true})
}
},
dragStart: {
phasedRegistrationNames: {
bubbled: keyOf({onDragStart: true}),
captured: keyOf({onDragStartCapture: true})
}
},
drop: {
phasedRegistrationNames: {
bubbled: keyOf({onDrop: true}),
captured: keyOf({onDropCapture: true})
}
},
focus: {
phasedRegistrationNames: {
bubbled: keyOf({onFocus: true}),
captured: keyOf({onFocusCapture: true})
}
},
input: {
phasedRegistrationNames: {
bubbled: keyOf({onInput: true}),
captured: keyOf({onInputCapture: true})
}
},
keyDown: {
phasedRegistrationNames: {
bubbled: keyOf({onKeyDown: true}),
captured: keyOf({onKeyDownCapture: true})
}
},
keyPress: {
phasedRegistrationNames: {
bubbled: keyOf({onKeyPress: true}),
captured: keyOf({onKeyPressCapture: true})
}
},
keyUp: {
phasedRegistrationNames: {
bubbled: keyOf({onKeyUp: true}),
captured: keyOf({onKeyUpCapture: true})
}
},
load: {
phasedRegistrationNames: {
bubbled: keyOf({onLoad: true}),
captured: keyOf({onLoadCapture: true})
}
},
error: {
phasedRegistrationNames: {
bubbled: keyOf({onError: true}),
captured: keyOf({onErrorCapture: true})
}
},
// Note: We do not allow listening to mouseOver events. Instead, use the
// onMouseEnter/onMouseLeave created by `EnterLeaveEventPlugin`.
mouseDown: {
phasedRegistrationNames: {
bubbled: keyOf({onMouseDown: true}),
captured: keyOf({onMouseDownCapture: true})
}
},
mouseMove: {
phasedRegistrationNames: {
bubbled: keyOf({onMouseMove: true}),
captured: keyOf({onMouseMoveCapture: true})
}
},
mouseOut: {
phasedRegistrationNames: {
bubbled: keyOf({onMouseOut: true}),
captured: keyOf({onMouseOutCapture: true})
}
},
mouseOver: {
phasedRegistrationNames: {
bubbled: keyOf({onMouseOver: true}),
captured: keyOf({onMouseOverCapture: true})
}
},
mouseUp: {
phasedRegistrationNames: {
bubbled: keyOf({onMouseUp: true}),
captured: keyOf({onMouseUpCapture: true})
}
},
paste: {
phasedRegistrationNames: {
bubbled: keyOf({onPaste: true}),
captured: keyOf({onPasteCapture: true})
}
},
reset: {
phasedRegistrationNames: {
bubbled: keyOf({onReset: true}),
captured: keyOf({onResetCapture: true})
}
},
scroll: {
phasedRegistrationNames: {
bubbled: keyOf({onScroll: true}),
captured: keyOf({onScrollCapture: true})
}
},
submit: {
phasedRegistrationNames: {
bubbled: keyOf({onSubmit: true}),
captured: keyOf({onSubmitCapture: true})
}
},
touchCancel: {
phasedRegistrationNames: {
bubbled: keyOf({onTouchCancel: true}),
captured: keyOf({onTouchCancelCapture: true})
}
},
touchEnd: {
phasedRegistrationNames: {
bubbled: keyOf({onTouchEnd: true}),
captured: keyOf({onTouchEndCapture: true})
}
},
touchMove: {
phasedRegistrationNames: {
bubbled: keyOf({onTouchMove: true}),
captured: keyOf({onTouchMoveCapture: true})
}
},
touchStart: {
phasedRegistrationNames: {
bubbled: keyOf({onTouchStart: true}),
captured: keyOf({onTouchStartCapture: true})
}
},
wheel: {
phasedRegistrationNames: {
bubbled: keyOf({onWheel: true}),
captured: keyOf({onWheelCapture: true})
}
}
};
var topLevelEventsToDispatchConfig = {
topBlur: eventTypes.blur,
topClick: eventTypes.click,
topContextMenu: eventTypes.contextMenu,
topCopy: eventTypes.copy,
topCut: eventTypes.cut,
topDoubleClick: eventTypes.doubleClick,
topDrag: eventTypes.drag,
topDragEnd: eventTypes.dragEnd,
topDragEnter: eventTypes.dragEnter,
topDragExit: eventTypes.dragExit,
topDragLeave: eventTypes.dragLeave,
topDragOver: eventTypes.dragOver,
topDragStart: eventTypes.dragStart,
topDrop: eventTypes.drop,
topError: eventTypes.error,
topFocus: eventTypes.focus,
topInput: eventTypes.input,
topKeyDown: eventTypes.keyDown,
topKeyPress: eventTypes.keyPress,
topKeyUp: eventTypes.keyUp,
topLoad: eventTypes.load,
topMouseDown: eventTypes.mouseDown,
topMouseMove: eventTypes.mouseMove,
topMouseOut: eventTypes.mouseOut,
topMouseOver: eventTypes.mouseOver,
topMouseUp: eventTypes.mouseUp,
topPaste: eventTypes.paste,
topReset: eventTypes.reset,
topScroll: eventTypes.scroll,
topSubmit: eventTypes.submit,
topTouchCancel: eventTypes.touchCancel,
topTouchEnd: eventTypes.touchEnd,
topTouchMove: eventTypes.touchMove,
topTouchStart: eventTypes.touchStart,
topWheel: eventTypes.wheel
};
for (var topLevelType in topLevelEventsToDispatchConfig) {
topLevelEventsToDispatchConfig[topLevelType].dependencies = [topLevelType];
}
var SimpleEventPlugin = {
eventTypes: eventTypes,
/**
* Same as the default implementation, except cancels the event when return
* value is false.
*
* @param {object} Event to be dispatched.
* @param {function} Application-level callback.
* @param {string} domID DOM ID to pass to the callback.
*/
executeDispatch: function(event, listener, domID) {
var returnValue = EventPluginUtils.executeDispatch(event, listener, domID);
if (returnValue === false) {
event.stopPropagation();
event.preventDefault();
}
},
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var dispatchConfig = topLevelEventsToDispatchConfig[topLevelType];
if (!dispatchConfig) {
return null;
}
var EventConstructor;
switch (topLevelType) {
case topLevelTypes.topInput:
case topLevelTypes.topLoad:
case topLevelTypes.topError:
case topLevelTypes.topReset:
case topLevelTypes.topSubmit:
// HTML Events
// @see http://www.w3.org/TR/html5/index.html#events-0
EventConstructor = SyntheticEvent;
break;
case topLevelTypes.topKeyPress:
// FireFox creates a keypress event for function keys too. This removes
// the unwanted keypress events.
if (nativeEvent.charCode === 0) {
return null;
}
/* falls through */
case topLevelTypes.topKeyDown:
case topLevelTypes.topKeyUp:
EventConstructor = SyntheticKeyboardEvent;
break;
case topLevelTypes.topBlur:
case topLevelTypes.topFocus:
EventConstructor = SyntheticFocusEvent;
break;
case topLevelTypes.topClick:
// Firefox creates a click event on right mouse clicks. This removes the
// unwanted click events.
if (nativeEvent.button === 2) {
return null;
}
/* falls through */
case topLevelTypes.topContextMenu:
case topLevelTypes.topDoubleClick:
case topLevelTypes.topMouseDown:
case topLevelTypes.topMouseMove:
case topLevelTypes.topMouseOut:
case topLevelTypes.topMouseOver:
case topLevelTypes.topMouseUp:
EventConstructor = SyntheticMouseEvent;
break;
case topLevelTypes.topDrag:
case topLevelTypes.topDragEnd:
case topLevelTypes.topDragEnter:
case topLevelTypes.topDragExit:
case topLevelTypes.topDragLeave:
case topLevelTypes.topDragOver:
case topLevelTypes.topDragStart:
case topLevelTypes.topDrop:
EventConstructor = SyntheticDragEvent;
break;
case topLevelTypes.topTouchCancel:
case topLevelTypes.topTouchEnd:
case topLevelTypes.topTouchMove:
case topLevelTypes.topTouchStart:
EventConstructor = SyntheticTouchEvent;
break;
case topLevelTypes.topScroll:
EventConstructor = SyntheticUIEvent;
break;
case topLevelTypes.topWheel:
EventConstructor = SyntheticWheelEvent;
break;
case topLevelTypes.topCopy:
case topLevelTypes.topCut:
case topLevelTypes.topPaste:
EventConstructor = SyntheticClipboardEvent;
break;
}
("production" !== "development" ? invariant(
EventConstructor,
'SimpleEventPlugin: Unhandled event type, `%s`.',
topLevelType
) : invariant(EventConstructor));
var event = EventConstructor.getPooled(
dispatchConfig,
topLevelTargetID,
nativeEvent
);
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}
};
module.exports = SimpleEventPlugin;
},{"./EventConstants":15,"./EventPluginUtils":19,"./EventPropagators":20,"./SyntheticClipboardEvent":81,"./SyntheticDragEvent":83,"./SyntheticEvent":84,"./SyntheticFocusEvent":85,"./SyntheticKeyboardEvent":87,"./SyntheticMouseEvent":88,"./SyntheticTouchEvent":89,"./SyntheticUIEvent":90,"./SyntheticWheelEvent":91,"./invariant":120,"./keyOf":127}],81:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticClipboardEvent
* @typechecks static-only
*/
"use strict";
var SyntheticEvent = _dereq_("./SyntheticEvent");
/**
* @interface Event
* @see http://www.w3.org/TR/clipboard-apis/
*/
var ClipboardEventInterface = {
clipboardData: function(event) {
return (
'clipboardData' in event ?
event.clipboardData :
window.clipboardData
);
}
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticClipboardEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticEvent.augmentClass(SyntheticClipboardEvent, ClipboardEventInterface);
module.exports = SyntheticClipboardEvent;
},{"./SyntheticEvent":84}],82:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticCompositionEvent
* @typechecks static-only
*/
"use strict";
var SyntheticEvent = _dereq_("./SyntheticEvent");
/**
* @interface Event
* @see http://www.w3.org/TR/DOM-Level-3-Events/#events-compositionevents
*/
var CompositionEventInterface = {
data: null
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticCompositionEvent(
dispatchConfig,
dispatchMarker,
nativeEvent) {
SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticEvent.augmentClass(
SyntheticCompositionEvent,
CompositionEventInterface
);
module.exports = SyntheticCompositionEvent;
},{"./SyntheticEvent":84}],83:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticDragEvent
* @typechecks static-only
*/
"use strict";
var SyntheticMouseEvent = _dereq_("./SyntheticMouseEvent");
/**
* @interface DragEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var DragEventInterface = {
dataTransfer: null
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticDragEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticMouseEvent.augmentClass(SyntheticDragEvent, DragEventInterface);
module.exports = SyntheticDragEvent;
},{"./SyntheticMouseEvent":88}],84:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticEvent
* @typechecks static-only
*/
"use strict";
var PooledClass = _dereq_("./PooledClass");
var emptyFunction = _dereq_("./emptyFunction");
var getEventTarget = _dereq_("./getEventTarget");
var merge = _dereq_("./merge");
var mergeInto = _dereq_("./mergeInto");
/**
* @interface Event
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var EventInterface = {
type: null,
target: getEventTarget,
// currentTarget is set when dispatching; no use in copying it here
currentTarget: emptyFunction.thatReturnsNull,
eventPhase: null,
bubbles: null,
cancelable: null,
timeStamp: function(event) {
return event.timeStamp || Date.now();
},
defaultPrevented: null,
isTrusted: null
};
/**
* Synthetic events are dispatched by event plugins, typically in response to a
* top-level event delegation handler.
*
* These systems should generally use pooling to reduce the frequency of garbage
* collection. The system should check `isPersistent` to determine whether the
* event should be released into the pool after being dispatched. Users that
* need a persisted event should invoke `persist`.
*
* Synthetic events (and subclasses) implement the DOM Level 3 Events API by
* normalizing browser quirks. Subclasses do not necessarily have to implement a
* DOM interface; custom application-specific events can also subclass this.
*
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
*/
function SyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent) {
this.dispatchConfig = dispatchConfig;
this.dispatchMarker = dispatchMarker;
this.nativeEvent = nativeEvent;
var Interface = this.constructor.Interface;
for (var propName in Interface) {
if (!Interface.hasOwnProperty(propName)) {
continue;
}
var normalize = Interface[propName];
if (normalize) {
this[propName] = normalize(nativeEvent);
} else {
this[propName] = nativeEvent[propName];
}
}
var defaultPrevented = nativeEvent.defaultPrevented != null ?
nativeEvent.defaultPrevented :
nativeEvent.returnValue === false;
if (defaultPrevented) {
this.isDefaultPrevented = emptyFunction.thatReturnsTrue;
} else {
this.isDefaultPrevented = emptyFunction.thatReturnsFalse;
}
this.isPropagationStopped = emptyFunction.thatReturnsFalse;
}
mergeInto(SyntheticEvent.prototype, {
preventDefault: function() {
this.defaultPrevented = true;
var event = this.nativeEvent;
event.preventDefault ? event.preventDefault() : event.returnValue = false;
this.isDefaultPrevented = emptyFunction.thatReturnsTrue;
},
stopPropagation: function() {
var event = this.nativeEvent;
event.stopPropagation ? event.stopPropagation() : event.cancelBubble = true;
this.isPropagationStopped = emptyFunction.thatReturnsTrue;
},
/**
* We release all dispatched `SyntheticEvent`s after each event loop, adding
* them back into the pool. This allows a way to hold onto a reference that
* won't be added back into the pool.
*/
persist: function() {
this.isPersistent = emptyFunction.thatReturnsTrue;
},
/**
* Checks if this event should be released back into the pool.
*
* @return {boolean} True if this should not be released, false otherwise.
*/
isPersistent: emptyFunction.thatReturnsFalse,
/**
* `PooledClass` looks for `destructor` on each instance it releases.
*/
destructor: function() {
var Interface = this.constructor.Interface;
for (var propName in Interface) {
this[propName] = null;
}
this.dispatchConfig = null;
this.dispatchMarker = null;
this.nativeEvent = null;
}
});
SyntheticEvent.Interface = EventInterface;
/**
* Helper to reduce boilerplate when creating subclasses.
*
* @param {function} Class
* @param {?object} Interface
*/
SyntheticEvent.augmentClass = function(Class, Interface) {
var Super = this;
var prototype = Object.create(Super.prototype);
mergeInto(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = merge(Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.threeArgumentPooler);
};
PooledClass.addPoolingTo(SyntheticEvent, PooledClass.threeArgumentPooler);
module.exports = SyntheticEvent;
},{"./PooledClass":26,"./emptyFunction":102,"./getEventTarget":111,"./merge":130,"./mergeInto":132}],85:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticFocusEvent
* @typechecks static-only
*/
"use strict";
var SyntheticUIEvent = _dereq_("./SyntheticUIEvent");
/**
* @interface FocusEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var FocusEventInterface = {
relatedTarget: null
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticFocusEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticUIEvent.augmentClass(SyntheticFocusEvent, FocusEventInterface);
module.exports = SyntheticFocusEvent;
},{"./SyntheticUIEvent":90}],86:[function(_dereq_,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticInputEvent
* @typechecks static-only
*/
"use strict";
var SyntheticEvent = _dereq_("./SyntheticEvent");
/**
* @interface Event
* @see http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105
* /#events-inputevents
*/
var InputEventInterface = {
data: null
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticInputEvent(
dispatchConfig,
dispatchMarker,
nativeEvent) {
SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticEvent.augmentClass(
SyntheticInputEvent,
InputEventInterface
);
module.exports = SyntheticInputEvent;
},{"./SyntheticEvent":84}],87:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticKeyboardEvent
* @typechecks static-only
*/
"use strict";
var SyntheticUIEvent = _dereq_("./SyntheticUIEvent");
var getEventKey = _dereq_("./getEventKey");
var getEventModifierState = _dereq_("./getEventModifierState");
/**
* @interface KeyboardEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var KeyboardEventInterface = {
key: getEventKey,
location: null,
ctrlKey: null,
shiftKey: null,
altKey: null,
metaKey: null,
repeat: null,
locale: null,
getModifierState: getEventModifierState,
// Legacy Interface
charCode: function(event) {
// `charCode` is the result of a KeyPress event and represents the value of
// the actual printable character.
// KeyPress is deprecated but its replacement is not yet final and not
// implemented in any major browser.
if (event.type === 'keypress') {
// IE8 does not implement "charCode", but "keyCode" has the correct value.
return 'charCode' in event ? event.charCode : event.keyCode;
}
return 0;
},
keyCode: function(event) {
// `keyCode` is the result of a KeyDown/Up event and represents the value of
// physical keyboard key.
// The actual meaning of the value depends on the users' keyboard layout
// which cannot be detected. Assuming that it is a US keyboard layout
// provides a surprisingly accurate mapping for US and European users.
// Due to this, it is left to the user to implement at this time.
if (event.type === 'keydown' || event.type === 'keyup') {
return event.keyCode;
}
return 0;
},
which: function(event) {
// `which` is an alias for either `keyCode` or `charCode` depending on the
// type of the event. There is no need to determine the type of the event
// as `keyCode` and `charCode` are either aliased or default to zero.
return event.keyCode || event.charCode;
}
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticKeyboardEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticUIEvent.augmentClass(SyntheticKeyboardEvent, KeyboardEventInterface);
module.exports = SyntheticKeyboardEvent;
},{"./SyntheticUIEvent":90,"./getEventKey":109,"./getEventModifierState":110}],88:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticMouseEvent
* @typechecks static-only
*/
"use strict";
var SyntheticUIEvent = _dereq_("./SyntheticUIEvent");
var ViewportMetrics = _dereq_("./ViewportMetrics");
var getEventModifierState = _dereq_("./getEventModifierState");
/**
* @interface MouseEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var MouseEventInterface = {
screenX: null,
screenY: null,
clientX: null,
clientY: null,
ctrlKey: null,
shiftKey: null,
altKey: null,
metaKey: null,
getEventModifierState: getEventModifierState,
button: function(event) {
// Webkit, Firefox, IE9+
// which: 1 2 3
// button: 0 1 2 (standard)
var button = event.button;
if ('which' in event) {
return button;
}
// IE<9
// which: undefined
// button: 0 0 0
// button: 1 4 2 (onmouseup)
return button === 2 ? 2 : button === 4 ? 1 : 0;
},
buttons: null,
relatedTarget: function(event) {
return event.relatedTarget || (
event.fromElement === event.srcElement ?
event.toElement :
event.fromElement
);
},
// "Proprietary" Interface.
pageX: function(event) {
return 'pageX' in event ?
event.pageX :
event.clientX + ViewportMetrics.currentScrollLeft;
},
pageY: function(event) {
return 'pageY' in event ?
event.pageY :
event.clientY + ViewportMetrics.currentScrollTop;
}
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticMouseEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticUIEvent.augmentClass(SyntheticMouseEvent, MouseEventInterface);
module.exports = SyntheticMouseEvent;
},{"./SyntheticUIEvent":90,"./ViewportMetrics":93,"./getEventModifierState":110}],89:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticTouchEvent
* @typechecks static-only
*/
"use strict";
var SyntheticUIEvent = _dereq_("./SyntheticUIEvent");
var getEventModifierState = _dereq_("./getEventModifierState");
/**
* @interface TouchEvent
* @see http://www.w3.org/TR/touch-events/
*/
var TouchEventInterface = {
touches: null,
targetTouches: null,
changedTouches: null,
altKey: null,
metaKey: null,
ctrlKey: null,
shiftKey: null,
getModifierState: getEventModifierState
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticUIEvent}
*/
function SyntheticTouchEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticUIEvent.augmentClass(SyntheticTouchEvent, TouchEventInterface);
module.exports = SyntheticTouchEvent;
},{"./SyntheticUIEvent":90,"./getEventModifierState":110}],90:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticUIEvent
* @typechecks static-only
*/
"use strict";
var SyntheticEvent = _dereq_("./SyntheticEvent");
var getEventTarget = _dereq_("./getEventTarget");
/**
* @interface UIEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var UIEventInterface = {
view: function(event) {
if (event.view) {
return event.view;
}
var target = getEventTarget(event);
if (target != null && target.window === target) {
// target is a window object
return target;
}
var doc = target.ownerDocument;
// TODO: Figure out why `ownerDocument` is sometimes undefined in IE8.
if (doc) {
return doc.defaultView || doc.parentWindow;
} else {
return window;
}
},
detail: function(event) {
return event.detail || 0;
}
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticEvent}
*/
function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticEvent.augmentClass(SyntheticUIEvent, UIEventInterface);
module.exports = SyntheticUIEvent;
},{"./SyntheticEvent":84,"./getEventTarget":111}],91:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule SyntheticWheelEvent
* @typechecks static-only
*/
"use strict";
var SyntheticMouseEvent = _dereq_("./SyntheticMouseEvent");
/**
* @interface WheelEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var WheelEventInterface = {
deltaX: function(event) {
return (
'deltaX' in event ? event.deltaX :
// Fallback to `wheelDeltaX` for Webkit and normalize (right is positive).
'wheelDeltaX' in event ? -event.wheelDeltaX : 0
);
},
deltaY: function(event) {
return (
'deltaY' in event ? event.deltaY :
// Fallback to `wheelDeltaY` for Webkit and normalize (down is positive).
'wheelDeltaY' in event ? -event.wheelDeltaY :
// Fallback to `wheelDelta` for IE<9 and normalize (down is positive).
'wheelDelta' in event ? -event.wheelDelta : 0
);
},
deltaZ: null,
// Browsers without "deltaMode" is reporting in raw wheel delta where one
// notch on the scroll is always +/- 120, roughly equivalent to pixels.
// A good approximation of DOM_DELTA_LINE (1) is 5% of viewport size or
// ~40 pixels, for DOM_DELTA_SCREEN (2) it is 87.5% of viewport size.
deltaMode: null
};
/**
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {string} dispatchMarker Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @extends {SyntheticMouseEvent}
*/
function SyntheticWheelEvent(dispatchConfig, dispatchMarker, nativeEvent) {
SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent);
}
SyntheticMouseEvent.augmentClass(SyntheticWheelEvent, WheelEventInterface);
module.exports = SyntheticWheelEvent;
},{"./SyntheticMouseEvent":88}],92:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule Transaction
*/
"use strict";
var invariant = _dereq_("./invariant");
/**
* `Transaction` creates a black box that is able to wrap any method such that
* certain invariants are maintained before and after the method is invoked
* (Even if an exception is thrown while invoking the wrapped method). Whoever
* instantiates a transaction can provide enforcers of the invariants at
* creation time. The `Transaction` class itself will supply one additional
* automatic invariant for you - the invariant that any transaction instance
* should not be run while it is already being run. You would typically create a
* single instance of a `Transaction` for reuse multiple times, that potentially
* is used to wrap several different methods. Wrappers are extremely simple -
* they only require implementing two methods.
*
* <pre>
* wrappers (injected at creation time)
* + +
* | |
* +-----------------|--------|--------------+
* | v | |
* | +---------------+ | |
* | +--| wrapper1 |---|----+ |
* | | +---------------+ v | |
* | | +-------------+ | |
* | | +----| wrapper2 |--------+ |
* | | | +-------------+ | | |
* | | | | | |
* | v v v v | wrapper
* | +---+ +---+ +---------+ +---+ +---+ | invariants
* perform(anyMethod) | | | | | | | | | | | | maintained
* +----------------->|-|---|-|---|-->|anyMethod|---|---|-|---|-|-------->
* | | | | | | | | | | | |
* | | | | | | | | | | | |
* | | | | | | | | | | | |
* | +---+ +---+ +---------+ +---+ +---+ |
* | initialize close |
* +-----------------------------------------+
* </pre>
*
* Use cases:
* - Preserving the input selection ranges before/after reconciliation.
* Restoring selection even in the event of an unexpected error.
* - Deactivating events while rearranging the DOM, preventing blurs/focuses,
* while guaranteeing that afterwards, the event system is reactivated.
* - Flushing a queue of collected DOM mutations to the main UI thread after a
* reconciliation takes place in a worker thread.
* - Invoking any collected `componentDidUpdate` callbacks after rendering new
* content.
* - (Future use case): Wrapping particular flushes of the `ReactWorker` queue
* to preserve the `scrollTop` (an automatic scroll aware DOM).
* - (Future use case): Layout calculations before and after DOM upates.
*
* Transactional plugin API:
* - A module that has an `initialize` method that returns any precomputation.
* - and a `close` method that accepts the precomputation. `close` is invoked
* when the wrapped process is completed, or has failed.
*
* @param {Array<TransactionalWrapper>} transactionWrapper Wrapper modules
* that implement `initialize` and `close`.
* @return {Transaction} Single transaction for reuse in thread.
*
* @class Transaction
*/
var Mixin = {
/**
* Sets up this instance so that it is prepared for collecting metrics. Does
* so such that this setup method may be used on an instance that is already
* initialized, in a way that does not consume additional memory upon reuse.
* That can be useful if you decide to make your subclass of this mixin a
* "PooledClass".
*/
reinitializeTransaction: function() {
this.transactionWrappers = this.getTransactionWrappers();
if (!this.wrapperInitData) {
this.wrapperInitData = [];
} else {
this.wrapperInitData.length = 0;
}
this._isInTransaction = false;
},
_isInTransaction: false,
/**
* @abstract
* @return {Array<TransactionWrapper>} Array of transaction wrappers.
*/
getTransactionWrappers: null,
isInTransaction: function() {
return !!this._isInTransaction;
},
/**
* Executes the function within a safety window. Use this for the top level
* methods that result in large amounts of computation/mutations that would
* need to be safety checked.
*
* @param {function} method Member of scope to call.
* @param {Object} scope Scope to invoke from.
* @param {Object?=} args... Arguments to pass to the method (optional).
* Helps prevent need to bind in many cases.
* @return Return value from `method`.
*/
perform: function(method, scope, a, b, c, d, e, f) {
("production" !== "development" ? invariant(
!this.isInTransaction(),
'Transaction.perform(...): Cannot initialize a transaction when there ' +
'is already an outstanding transaction.'
) : invariant(!this.isInTransaction()));
var errorThrown;
var ret;
try {
this._isInTransaction = true;
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// one of these calls threw.
errorThrown = true;
this.initializeAll(0);
ret = method.call(scope, a, b, c, d, e, f);
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
try {
this.closeAll(0);
} catch (err) {
}
} else {
// Since `method` didn't throw, we don't want to silence the exception
// here.
this.closeAll(0);
}
} finally {
this._isInTransaction = false;
}
}
return ret;
},
initializeAll: function(startIndex) {
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
try {
// Catching errors makes debugging more difficult, so we start with the
// OBSERVED_ERROR state before overwriting it with the real return value
// of initialize -- if it's still set to OBSERVED_ERROR in the finally
// block, it means wrapper.initialize threw.
this.wrapperInitData[i] = Transaction.OBSERVED_ERROR;
this.wrapperInitData[i] = wrapper.initialize ?
wrapper.initialize.call(this) :
null;
} finally {
if (this.wrapperInitData[i] === Transaction.OBSERVED_ERROR) {
// The initializer for wrapper i threw an error; initialize the
// remaining wrappers but silence any exceptions from them to ensure
// that the first error is the one to bubble up.
try {
this.initializeAll(i + 1);
} catch (err) {
}
}
}
}
},
/**
* Invokes each of `this.transactionWrappers.close[i]` functions, passing into
* them the respective return values of `this.transactionWrappers.init[i]`
* (`close`rs that correspond to initializers that failed will not be
* invoked).
*/
closeAll: function(startIndex) {
("production" !== "development" ? invariant(
this.isInTransaction(),
'Transaction.closeAll(): Cannot close transaction when none are open.'
) : invariant(this.isInTransaction()));
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
var initData = this.wrapperInitData[i];
var errorThrown;
try {
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// wrapper.close threw.
errorThrown = true;
if (initData !== Transaction.OBSERVED_ERROR) {
wrapper.close && wrapper.close.call(this, initData);
}
errorThrown = false;
} finally {
if (errorThrown) {
// The closer for wrapper i threw an error; close the remaining
// wrappers but silence any exceptions from them to ensure that the
// first error is the one to bubble up.
try {
this.closeAll(i + 1);
} catch (e) {
}
}
}
}
this.wrapperInitData.length = 0;
}
};
var Transaction = {
Mixin: Mixin,
/**
* Token to look for to determine if an error occured.
*/
OBSERVED_ERROR: {}
};
module.exports = Transaction;
},{"./invariant":120}],93:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ViewportMetrics
*/
"use strict";
var getUnboundedScrollPosition = _dereq_("./getUnboundedScrollPosition");
var ViewportMetrics = {
currentScrollLeft: 0,
currentScrollTop: 0,
refreshScrollValues: function() {
var scrollPosition = getUnboundedScrollPosition(window);
ViewportMetrics.currentScrollLeft = scrollPosition.x;
ViewportMetrics.currentScrollTop = scrollPosition.y;
}
};
module.exports = ViewportMetrics;
},{"./getUnboundedScrollPosition":116}],94:[function(_dereq_,module,exports){
/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under
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