48 lines
1.6 KiB
JavaScript
Executable file
48 lines
1.6 KiB
JavaScript
Executable file
"use strict";
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.deepCopy = exports.mapObject = void 0;
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/** @deprecated Since v12.0, unused by the Angular tooling */
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function mapObject(obj, mapper) {
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return Object.keys(obj).reduce((acc, k) => {
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acc[k] = mapper(k, obj[k]);
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return acc;
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}, {});
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}
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exports.mapObject = mapObject;
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const copySymbol = Symbol();
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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function deepCopy(value) {
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if (Array.isArray(value)) {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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return value.map((o) => deepCopy(o));
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}
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else if (value && typeof value === 'object') {
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const valueCasted = value;
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if (valueCasted[copySymbol]) {
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// This is a circular dependency. Just return the cloned value.
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return valueCasted[copySymbol];
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}
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if (valueCasted['toJSON']) {
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return JSON.parse(valueCasted['toJSON']());
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}
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const copy = Object.create(Object.getPrototypeOf(valueCasted));
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valueCasted[copySymbol] = copy;
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for (const key of Object.getOwnPropertyNames(valueCasted)) {
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copy[key] = deepCopy(valueCasted[key]);
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}
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valueCasted[copySymbol] = undefined;
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return copy;
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}
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else {
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return value;
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}
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}
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exports.deepCopy = deepCopy;
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