27 lines
772 B
JavaScript
27 lines
772 B
JavaScript
import CloneObject from './clone-object.js';
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export default class CloneWeakMap extends CloneObject {
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constructor(value, path, argumentsList, hasOnValidate) {
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super(undefined, path, argumentsList, hasOnValidate);
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this._weakKey = argumentsList[0];
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this._weakHas = value.has(this._weakKey);
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this._weakValue = value.get(this._weakKey);
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}
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isChanged(value, _equals) {
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return this._weakValue !== value.get(this._weakKey);
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}
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undo(object) {
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const weakHas = object.has(this._weakKey);
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if (this._weakHas && !weakHas) {
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object.set(this._weakKey, this._weakValue);
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} else if (!this._weakHas && weakHas) {
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object.delete(this._weakKey);
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} else if (this._weakValue !== object.get(this._weakKey)) {
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object.set(this._weakKey, this._weakValue);
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}
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}
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}
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