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webidl2js example
[Exposed=Window]
interface CharacterData : Node {
attribute [TreatNullAs=EmptyString] DOMString data;
readonly attribute unsigned long length;
DOMString substringData(unsigned long offset, unsigned long count);
void appendData(DOMString data);
void insertData(unsigned long offset, DOMString data);
void deleteData(unsigned long offset, unsigned long count);
void replaceData(unsigned long offset, unsigned long count, DOMString data);
};
"use strict";
const { mixin } = require("../../utils");
const NodeImpl = require("./Node-impl").implementation;
const ChildNodeImpl = require("./ChildNode-impl").implementation;
const NonDocumentTypeChildNodeImpl = require("./NonDocumentTypeChildNode-impl").implementation;
const DOMException = require("domexception");
const { TEXT_NODE } = require("../node-type");
class CharacterDataImpl extends NodeImpl {
constructor(args, privateData) {
super(args, privateData);
this._data = privateData.data;
}
get data() {
return this._data;
}
set data(data) {
this.replaceData(0, this.length, data);
}
get length() {
return this._data.length;
}
substringData(offset, count) {
const { length } = this;
if (offset > length) {
throw new DOMException("The index is not in the allowed range.", "IndexSizeError");
}
if (offset + count > length) {
return this._data.substring(offset);
}
return this._data.substring(offset, offset + count);
}
appendData(data) {
this.replaceData(this.length, 0, data);
}
insertData(offset, data) {
this.replaceData(offset, 0, data);
}
deleteData(offset, count) {
this.replaceData(offset, count, "");
}
replaceData(offset, count, data) {
const { length } = this;
if (offset > length) {
throw new DOMException("The index is not in the allowed range.", "IndexSizeError");
}
if (offset + count > length) {
count = length - offset;
}
const start = this._data.substring(0, offset);
const end = this._data.substring(offset + count);
this._data = start + data + end;
// TODO: range stuff
if (this.nodeType === TEXT_NODE && this.parentNode) {
this.parentNode._childTextContentChangeSteps();
}
}
}
mixin(CharacterDataImpl.prototype, NonDocumentTypeChildNodeImpl.prototype);
mixin(CharacterDataImpl.prototype, ChildNodeImpl.prototype);
module.exports = {
implementation: CharacterDataImpl
};
"use strict";
const conversions = require("webidl-conversions");
const utils = require("./utils.js");
const isNode = require("./Node.js").is;
const impl = utils.implSymbol;
const Node = require("./Node.js");
const ChildNode = require("./ChildNode.js");
const NonDocumentTypeChildNode = require("./NonDocumentTypeChildNode.js");
class CharacterData extends Node.interface {
constructor() {
throw new TypeError("Illegal constructor");
}
substringData(offset, count) {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
if (arguments.length < 2) {
throw new TypeError(
"Failed to execute 'substringData' on 'CharacterData': 2 arguments required, but only " +
arguments.length +
" present."
);
}
const args = [];
{
let curArg = arguments[0];
curArg = conversions["unsigned long"](curArg, {
context: "Failed to execute 'substringData' on 'CharacterData': parameter 1"
});
args.push(curArg);
}
{
let curArg = arguments[1];
curArg = conversions["unsigned long"](curArg, {
context: "Failed to execute 'substringData' on 'CharacterData': parameter 2"
});
args.push(curArg);
}
return this[impl].substringData(...args);
}
appendData(data) {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
if (arguments.length < 1) {
throw new TypeError(
"Failed to execute 'appendData' on 'CharacterData': 1 argument required, but only " +
arguments.length +
" present."
);
}
const args = [];
{
let curArg = arguments[0];
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'appendData' on 'CharacterData': parameter 1"
});
args.push(curArg);
}
return this[impl].appendData(...args);
}
insertData(offset, data) {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
if (arguments.length < 2) {
throw new TypeError(
"Failed to execute 'insertData' on 'CharacterData': 2 arguments required, but only " +
arguments.length +
" present."
);
}
const args = [];
{
let curArg = arguments[0];
curArg = conversions["unsigned long"](curArg, {
context: "Failed to execute 'insertData' on 'CharacterData': parameter 1"
});
args.push(curArg);
}
{
let curArg = arguments[1];
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'insertData' on 'CharacterData': parameter 2"
});
args.push(curArg);
}
return this[impl].insertData(...args);
}
deleteData(offset, count) {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
if (arguments.length < 2) {
throw new TypeError(
"Failed to execute 'deleteData' on 'CharacterData': 2 arguments required, but only " +
arguments.length +
" present."
);
}
const args = [];
{
let curArg = arguments[0];
curArg = conversions["unsigned long"](curArg, {
context: "Failed to execute 'deleteData' on 'CharacterData': parameter 1"
});
args.push(curArg);
}
{
let curArg = arguments[1];
curArg = conversions["unsigned long"](curArg, {
context: "Failed to execute 'deleteData' on 'CharacterData': parameter 2"
});
args.push(curArg);
}
return this[impl].deleteData(...args);
}
replaceData(offset, count, data) {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
if (arguments.length < 3) {
throw new TypeError(
"Failed to execute 'replaceData' on 'CharacterData': 3 arguments required, but only " +
arguments.length +
" present."
);
}
const args = [];
{
let curArg = arguments[0];
curArg = conversions["unsigned long"](curArg, {
context: "Failed to execute 'replaceData' on 'CharacterData': parameter 1"
});
args.push(curArg);
}
{
let curArg = arguments[1];
curArg = conversions["unsigned long"](curArg, {
context: "Failed to execute 'replaceData' on 'CharacterData': parameter 2"
});
args.push(curArg);
}
{
let curArg = arguments[2];
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'replaceData' on 'CharacterData': parameter 3"
});
args.push(curArg);
}
return this[impl].replaceData(...args);
}
before() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
const args = [];
for (let i = 0; i < arguments.length; i++) {
let curArg = arguments[i];
if (isNode(curArg)) {
curArg = utils.implForWrapper(curArg);
} else {
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'before' on 'CharacterData': parameter " + (i + 1)
});
}
args.push(curArg);
}
return this[impl].before(...args);
}
after() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
const args = [];
for (let i = 0; i < arguments.length; i++) {
let curArg = arguments[i];
if (isNode(curArg)) {
curArg = utils.implForWrapper(curArg);
} else {
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'after' on 'CharacterData': parameter " + (i + 1)
});
}
args.push(curArg);
}
return this[impl].after(...args);
}
replaceWith() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
const args = [];
for (let i = 0; i < arguments.length; i++) {
let curArg = arguments[i];
if (isNode(curArg)) {
curArg = utils.implForWrapper(curArg);
} else {
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'replaceWith' on 'CharacterData': parameter " + (i + 1)
});
}
args.push(curArg);
}
return this[impl].replaceWith(...args);
}
remove() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return this[impl].remove();
}
get data() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return this[impl]["data"];
}
set data(V) {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
V = conversions["DOMString"](V, {
context: "Failed to set the 'data' property on 'CharacterData': The provided value",
treatNullAsEmptyString: true
});
this[impl]["data"] = V;
}
get length() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return this[impl]["length"];
}
get previousElementSibling() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return utils.tryWrapperForImpl(this[impl]["previousElementSibling"]);
}
get nextElementSibling() {
if (!this || !module.exports.is(this)) {
throw new TypeError("Illegal invocation");
}
return utils.tryWrapperForImpl(this[impl]["nextElementSibling"]);
}
}
Object.defineProperties(CharacterData.prototype, {
substringData: { enumerable: true },
appendData: { enumerable: true },
insertData: { enumerable: true },
deleteData: { enumerable: true },
replaceData: { enumerable: true },
before: { enumerable: true },
after: { enumerable: true },
replaceWith: { enumerable: true },
remove: { enumerable: true },
data: { enumerable: true },
length: { enumerable: true },
previousElementSibling: { enumerable: true },
nextElementSibling: { enumerable: true },
[Symbol.toStringTag]: { value: "CharacterData", configurable: true }
});
const iface = {
// When an interface-module that implements this interface as a mixin is loaded, it will append its own `.is()`
// method into this array. It allows objects that directly implements *those* interfaces to be recognized as
// implementing this mixin interface.
_mixedIntoPredicates: [],
is(obj) {
if (obj) {
if (utils.hasOwn(obj, impl) && obj[impl] instanceof Impl.implementation) {
return true;
}
for (const isMixedInto of module.exports._mixedIntoPredicates) {
if (isMixedInto(obj)) {
return true;
}
}
}
return false;
},
isImpl(obj) {
if (obj) {
if (obj instanceof Impl.implementation) {
return true;
}
const wrapper = utils.wrapperForImpl(obj);
for (const isMixedInto of module.exports._mixedIntoPredicates) {
if (isMixedInto(wrapper)) {
return true;
}
}
}
return false;
},
convert(obj, { context = "The provided value" } = {}) {
if (module.exports.is(obj)) {
return utils.implForWrapper(obj);
}
throw new TypeError(`${context} is not of type 'CharacterData'.`);
},
create(constructorArgs, privateData) {
let obj = Object.create(CharacterData.prototype);
obj = this.setup(obj, constructorArgs, privateData);
return obj;
},
createImpl(constructorArgs, privateData) {
let obj = Object.create(CharacterData.prototype);
obj = this.setup(obj, constructorArgs, privateData);
return utils.implForWrapper(obj);
},
_internalSetup(obj) {
Node._internalSetup(obj);
},
setup(obj, constructorArgs, privateData) {
if (!privateData) privateData = {};
privateData.wrapper = obj;
this._internalSetup(obj);
Object.defineProperty(obj, impl, {
value: new Impl.implementation(constructorArgs, privateData),
configurable: true
});
obj[impl][utils.wrapperSymbol] = obj;
if (Impl.init) {
Impl.init(obj[impl], privateData);
}
return obj;
},
interface: CharacterData,
expose: {
Window: { CharacterData }
}
}; // iface
module.exports = iface;
ChildNode._mixedIntoPredicates.push(module.exports.is);
NonDocumentTypeChildNode._mixedIntoPredicates.push(module.exports.is);
const Impl = require("../nodes/CharacterData-impl.js");
@snuggs

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commented Dec 22, 2016

@domenic thanks for this. Answers many questions. Just getting familiar to understand JSDOM more. #Forked 🍴

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