Created
December 13, 2018 15:29
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browerify.js
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var require = function (file, cwd) { | |
var resolved = require.resolve(file, cwd || '/'); | |
var mod = require.modules[resolved]; | |
if (!mod) throw new Error( | |
'Failed to resolve module ' + file + ', tried ' + resolved | |
); | |
var res = mod._cached ? mod._cached : mod(); | |
return res; | |
} | |
require.paths = []; | |
require.modules = {}; | |
require.extensions = [".js",".coffee"]; | |
require._core = { | |
'assert': true, | |
'events': true, | |
'fs': true, | |
'path': true, | |
'vm': true | |
}; | |
require.resolve = (function () { | |
return function (x, cwd) { | |
if (!cwd) cwd = '/'; | |
if (require._core[x]) return x; | |
var path = require.modules.path(); | |
cwd = path.resolve('/', cwd); | |
var y = cwd || '/'; | |
if (x.match(/^(?:\.\.?\/|\/)/)) { | |
var m = loadAsFileSync(path.resolve(y, x)) | |
|| loadAsDirectorySync(path.resolve(y, x)); | |
if (m) return m; | |
} | |
var n = loadNodeModulesSync(x, y); | |
if (n) return n; | |
throw new Error("Cannot find module '" + x + "'"); | |
function loadAsFileSync (x) { | |
if (require.modules[x]) { | |
return x; | |
} | |
for (var i = 0; i < require.extensions.length; i++) { | |
var ext = require.extensions[i]; | |
if (require.modules[x + ext]) return x + ext; | |
} | |
} | |
function loadAsDirectorySync (x) { | |
x = x.replace(/\/+$/, ''); | |
var pkgfile = x + '/package.json'; | |
if (require.modules[pkgfile]) { | |
var pkg = require.modules[pkgfile](); | |
var b = pkg.browserify; | |
if (typeof b === 'object' && b.main) { | |
var m = loadAsFileSync(path.resolve(x, b.main)); | |
if (m) return m; | |
} | |
else if (typeof b === 'string') { | |
var m = loadAsFileSync(path.resolve(x, b)); | |
if (m) return m; | |
} | |
else if (pkg.main) { | |
var m = loadAsFileSync(path.resolve(x, pkg.main)); | |
if (m) return m; | |
} | |
} | |
return loadAsFileSync(x + '/index'); | |
} | |
function loadNodeModulesSync (x, start) { | |
var dirs = nodeModulesPathsSync(start); | |
for (var i = 0; i < dirs.length; i++) { | |
var dir = dirs[i]; | |
var m = loadAsFileSync(dir + '/' + x); | |
if (m) return m; | |
var n = loadAsDirectorySync(dir + '/' + x); | |
if (n) return n; | |
} | |
var m = loadAsFileSync(x); | |
if (m) return m; | |
} | |
function nodeModulesPathsSync (start) { | |
var parts; | |
if (start === '/') parts = [ '' ]; | |
else parts = path.normalize(start).split('/'); | |
var dirs = []; | |
for (var i = parts.length - 1; i >= 0; i--) { | |
if (parts[i] === 'node_modules') continue; | |
var dir = parts.slice(0, i + 1).join('/') + '/node_modules'; | |
dirs.push(dir); | |
} | |
return dirs; | |
} | |
}; | |
})(); | |
require.alias = function (from, to) { | |
var path = require.modules.path(); | |
var res = null; | |
try { | |
res = require.resolve(from + '/package.json', '/'); | |
} | |
catch (err) { | |
res = require.resolve(from, '/'); | |
} | |
var basedir = path.dirname(res); | |
var keys = (Object.keys || function (obj) { | |
var res = []; | |
for (var key in obj) res.push(key) | |
return res; | |
})(require.modules); | |
for (var i = 0; i < keys.length; i++) { | |
var key = keys[i]; | |
if (key.slice(0, basedir.length + 1) === basedir + '/') { | |
var f = key.slice(basedir.length); | |
require.modules[to + f] = require.modules[basedir + f]; | |
} | |
else if (key === basedir) { | |
require.modules[to] = require.modules[basedir]; | |
} | |
} | |
}; | |
require.define = function (filename, fn) { | |
var dirname = require._core[filename] | |
? '' | |
: require.modules.path().dirname(filename) | |
; | |
var require_ = function (file) { | |
return require(file, dirname) | |
}; | |
require_.resolve = function (name) { | |
return require.resolve(name, dirname); | |
}; | |
require_.modules = require.modules; | |
require_.define = require.define; | |
var module_ = { exports : {} }; | |
require.modules[filename] = function () { | |
require.modules[filename]._cached = module_.exports; | |
fn.call( | |
module_.exports, | |
require_, | |
module_, | |
module_.exports, | |
dirname, | |
filename | |
); | |
require.modules[filename]._cached = module_.exports; | |
return module_.exports; | |
}; | |
}; | |
if (typeof process === 'undefined') process = {}; | |
if (!process.nextTick) process.nextTick = (function () { | |
var queue = []; | |
var canPost = typeof window !== 'undefined' | |
&& window.postMessage && window.addEventListener | |
; | |
if (canPost) { | |
window.addEventListener('message', function (ev) { | |
if (ev.source === window && ev.data === 'browserify-tick') { | |
ev.stopPropagation(); | |
if (queue.length > 0) { | |
var fn = queue.shift(); | |
fn(); | |
} | |
} | |
}, true); | |
} | |
return function (fn) { | |
if (canPost) { | |
queue.push(fn); | |
window.postMessage('browserify-tick', '*'); | |
} | |
else setTimeout(fn, 0); | |
}; | |
})(); | |
if (!process.title) process.title = 'browser'; | |
if (!process.binding) process.binding = function (name) { | |
if (name === 'evals') return require('vm') | |
else throw new Error('No such module') | |
}; | |
if (!process.cwd) process.cwd = function () { return '.' }; | |
if (!process.env) process.env = {}; | |
if (!process.argv) process.argv = []; | |
require.define("path", Function( | |
[ 'require', 'module', 'exports', '__dirname', '__filename' ], | |
"function filter (xs, fn) {\n var res = [];\n for (var i = 0; i < xs.length; i++) {\n if (fn(xs[i], i, xs)) res.push(xs[i]);\n }\n return res;\n}\n\n// resolves . and .. elements in a path array with directory names there\n// must be no slashes, empty elements, or device names (c:\\) in the array\n// (so also no leading and trailing slashes - it does not distinguish\n// relative and absolute paths)\nfunction normalizeArray(parts, allowAboveRoot) {\n // if the path tries to go above the root, `up` ends up > 0\n var up = 0;\n for (var i = parts.length; i >= 0; i--) {\n var last = parts[i];\n if (last == '.') {\n parts.splice(i, 1);\n } else if (last === '..') {\n parts.splice(i, 1);\n up++;\n } else if (up) {\n parts.splice(i, 1);\n up--;\n }\n }\n\n // if the path is allowed to go above the root, restore leading ..s\n if (allowAboveRoot) {\n for (; up--; up) {\n parts.unshift('..');\n }\n }\n\n return parts;\n}\n\n// Regex to split a filename into [*, dir, basename, ext]\n// posix version\nvar splitPathRe = /^(.+\\/(?!$)|\\/)?((?:.+?)?(\\.[^.]*)?)$/;\n\n// path.resolve([from ...], to)\n// posix version\nexports.resolve = function() {\nvar resolvedPath = '',\n resolvedAbsolute = false;\n\nfor (var i = arguments.length; i >= -1 && !resolvedAbsolute; i--) {\n var path = (i >= 0)\n ? arguments[i]\n : process.cwd();\n\n // Skip empty and invalid entries\n if (typeof path !== 'string' || !path) {\n continue;\n }\n\n resolvedPath = path + '/' + resolvedPath;\n resolvedAbsolute = path.charAt(0) === '/';\n}\n\n// At this point the path should be resolved to a full absolute path, but\n// handle relative paths to be safe (might happen when process.cwd() fails)\n\n// Normalize the path\nresolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {\n return !!p;\n }), !resolvedAbsolute).join('/');\n\n return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';\n};\n\n// path.normalize(path)\n// posix version\nexports.normalize = function(path) {\nvar isAbsolute = path.charAt(0) === '/',\n trailingSlash = path.slice(-1) === '/';\n\n// Normalize the path\npath = normalizeArray(filter(path.split('/'), function(p) {\n return !!p;\n }), !isAbsolute).join('/');\n\n if (!path && !isAbsolute) {\n path = '.';\n }\n if (path && trailingSlash) {\n path += '/';\n }\n \n return (isAbsolute ? '/' : '') + path;\n};\n\n\n// posix version\nexports.join = function() {\n var paths = Array.prototype.slice.call(arguments, 0);\n return exports.normalize(filter(paths, function(p, index) {\n return p && typeof p === 'string';\n }).join('/'));\n};\n\n\nexports.dirname = function(path) {\n var dir = splitPathRe.exec(path)[1] || '';\n var isWindows = false;\n if (!dir) {\n // No dirname\n return '.';\n } else if (dir.length === 1 ||\n (isWindows && dir.length <= 3 && dir.charAt(1) === ':')) {\n // It is just a slash or a drive letter with a slash\n return dir;\n } else {\n // It is a full dirname, strip trailing slash\n return dir.substring(0, dir.length - 1);\n }\n};\n\n\nexports.basename = function(path, ext) {\n var f = splitPathRe.exec(path)[2] || '';\n // TODO: make this comparison case-insensitive on windows?\n if (ext && f.substr(-1 * ext.length) === ext) {\n f = f.substr(0, f.length - ext.length);\n }\n return f;\n};\n\n\nexports.extname = function(path) {\n return splitPathRe.exec(path)[3] || '';\n};\n\n//@ sourceURL=path" | |
)); | |
require.define("timers", Function( | |
[ 'require', 'module', 'exports', '__dirname', '__filename' ], | |
"module.exports = require(\"timers-browserify\")\n//@ sourceURL=timers" | |
)); | |
require.define("/node_modules/timers-browserify/package.json", Function( | |
[ 'require', 'module', 'exports', '__dirname', '__filename' ], | |
"module.exports = {\"main\":\"main.js\"}\n//@ sourceURL=/node_modules/timers-browserify/package.json" | |
)); | |
require.define("/node_modules/timers-browserify/main.js", Function( | |
[ 'require', 'module', 'exports', '__dirname', '__filename' ], | |
"// DOM APIs, for completeness\n\nexports.setTimeout = setTimeout;\nexports.clearTimeout = clearTimeout;\nexports.setInterval = setInterval;\nexports.clearInterval = clearInterval;\n\n// TODO: Change to more effiecient list approach used in Node.js\n// For now, we just implement the APIs using the primitives above.\n\nexports.enroll = function(item, delay) {\n item._timeoutID = setTimeout(item._onTimeout, delay);\n};\n\nexports.unenroll = function(item) {\n clearTimeout(item._timeoutID);\n};\n\nexports.active = function(item) {\n // our naive impl doesn't care (correctness is still preserved)\n};\n\n//@ sourceURL=/node_modules/timers-browserify/main.js" | |
)); | |
require.define("/main.js", Function( | |
[ 'require', 'module', 'exports', '__dirname', '__filename' ], | |
"var timers = require('timers');\n\nvar obj = {\n _onTimeout: function() {\n console.log('Timer ran for: ' + (new Date().getTime() - obj.now) + ' ms');\n },\n start: function() {\n console.log('Timer should run for 100 ms');\n this.now = new Date().getTime();\n timers.enroll(this, 100);\n }\n};\n\nobj.start();\n\n//@ sourceURL=/main.js" | |
)); | |
require("/main.js"); |
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