858f2bdf5
 Boyan Georgiev
fixes
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"use strict";
const DOMException = require("domexception/webidl2js-wrapper");
const { mixin } = require("../../utils");
const NodeImpl = require("./Node-impl").implementation;
const ChildNodeImpl = require("./ChildNode-impl").implementation;
const NonDocumentTypeChildNodeImpl = require("./NonDocumentTypeChildNode-impl").implementation;
const { TEXT_NODE } = require("../node-type");
const { MUTATION_TYPE, queueMutationRecord } = require("../helpers/mutation-observers");
// https://dom.spec.whatwg.org/#characterdata
class CharacterDataImpl extends NodeImpl {
constructor(globalObject, args, privateData) {
super(globalObject, args, privateData);
this._data = privateData.data;
}
// https://dom.spec.whatwg.org/#dom-characterdata-data
get data() {
return this._data;
}
set data(data) {
this.replaceData(0, this.length, data);
}
// https://dom.spec.whatwg.org/#dom-characterdata-length
get length() {
return this._data.length;
}
// https://dom.spec.whatwg.org/#dom-characterdata-substringdata
// https://dom.spec.whatwg.org/#concept-cd-substring
substringData(offset, count) {
const { length } = this;
if (offset > length) {
throw DOMException.create(this._globalObject, ["The index is not in the allowed range.", "IndexSizeError"]);
}
if (offset + count > length) {
return this._data.slice(offset);
}
return this._data.slice(offset, offset + count);
}
// https://dom.spec.whatwg.org/#dom-characterdata-appenddata
appendData(data) {
this.replaceData(this.length, 0, data);
}
// https://dom.spec.whatwg.org/#dom-characterdata-insertdata
insertData(offset, data) {
this.replaceData(offset, 0, data);
}
// https://dom.spec.whatwg.org/#dom-characterdata-deletedata
deleteData(offset, count) {
this.replaceData(offset, count, "");
}
// https://dom.spec.whatwg.org/#dom-characterdata-replacedata
// https://dom.spec.whatwg.org/#concept-cd-replace
replaceData(offset, count, data) {
const { length } = this;
if (offset > length) {
throw DOMException.create(this._globalObject, [
"The index is not in the allowed range.",
"IndexSizeError"
]);
}
if (offset + count > length) {
count = length - offset;
}
queueMutationRecord(MUTATION_TYPE.CHARACTER_DATA, this, null, null, this._data, [], [], null, null);
const start = this._data.slice(0, offset);
const end = this._data.slice(offset + count);
this._data = start + data + end;
for (const range of this._referencedRanges) {
const { _start, _end } = range;
if (_start.offset > offset && _start.offset <= offset + count) {
range._setLiveRangeStart(this, offset);
}
if (_end.offset > offset && _end.offset <= offset + count) {
range._setLiveRangeEnd(this, offset);
}
if (_start.offset > offset + count) {
range._setLiveRangeStart(this, _start.offset + data.length - count);
}
if (_end.offset > offset + count) {
range._setLiveRangeEnd(this, _end.offset + data.length - count);
}
}
if (this.nodeType === TEXT_NODE && this.parentNode) {
this.parentNode._childTextContentChangeSteps();
}
}
}
mixin(CharacterDataImpl.prototype, NonDocumentTypeChildNodeImpl.prototype);
mixin(CharacterDataImpl.prototype, ChildNodeImpl.prototype);
module.exports = {
implementation: CharacterDataImpl
};
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