forked from Fediversity/fediversity.eu
39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
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import { applyReviver } from '../doc/applyReviver.js';
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import { NODE_TYPE, isDocument } from './identity.js';
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import { toJS } from './toJS.js';
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class NodeBase {
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constructor(type) {
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Object.defineProperty(this, NODE_TYPE, { value: type });
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}
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/** Create a copy of this node. */
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clone() {
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const copy = Object.create(Object.getPrototypeOf(this), Object.getOwnPropertyDescriptors(this));
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if (this.range)
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copy.range = this.range.slice();
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return copy;
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}
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/** A plain JavaScript representation of this node. */
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toJS(doc, { mapAsMap, maxAliasCount, onAnchor, reviver } = {}) {
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if (!isDocument(doc))
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throw new TypeError('A document argument is required');
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const ctx = {
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anchors: new Map(),
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doc,
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keep: true,
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mapAsMap: mapAsMap === true,
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mapKeyWarned: false,
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maxAliasCount: typeof maxAliasCount === 'number' ? maxAliasCount : 100
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};
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const res = toJS(this, '', ctx);
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if (typeof onAnchor === 'function')
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for (const { count, res } of ctx.anchors.values())
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onAnchor(res, count);
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return typeof reviver === 'function'
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? applyReviver(reviver, { '': res }, '', res)
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: res;
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}
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}
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export { NodeBase };
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