46 lines
1021 B
JavaScript
46 lines
1021 B
JavaScript
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/* eslint-disable @typescript-eslint/no-unsafe-member-access */
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/* eslint-disable @typescript-eslint/no-explicit-any */
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/**
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* Helper to decycle json objects
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*/
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function memoBuilder() {
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const hasWeakSet = typeof WeakSet === 'function';
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const inner = hasWeakSet ? new WeakSet() : [];
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function memoize(obj) {
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if (hasWeakSet) {
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if (inner.has(obj)) {
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return true;
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}
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inner.add(obj);
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return false;
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}
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// eslint-disable-next-line @typescript-eslint/prefer-for-of
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for (let i = 0; i < inner.length; i++) {
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const value = inner[i];
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if (value === obj) {
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return true;
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}
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}
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inner.push(obj);
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return false;
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}
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function unmemoize(obj) {
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if (hasWeakSet) {
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inner.delete(obj);
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} else {
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for (let i = 0; i < inner.length; i++) {
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if (inner[i] === obj) {
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inner.splice(i, 1);
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break;
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}
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}
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}
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}
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return [memoize, unmemoize];
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}
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export { memoBuilder };
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//# sourceMappingURL=memo.js.map
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