30 строки
1.0 KiB
TypeScript
30 строки
1.0 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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/**
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* Creates a shallow copy of a given object by copying the properties to a new object
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* Note: this does not copy the method prototypes, so it's a shallow data copy only.
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*
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* @param {input} any javascript object
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* @param {filter} Array<string> of properties to filter out from the copy.
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*/
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export function shallowCopy(input: any, ...filter: Array<string>): any {
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if (!input) {
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return input;
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}
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const keys = input.Keys ? input.Keys : Object.getOwnPropertyNames(input);
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const result: any = {};
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for (const key of keys) {
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if (filter.indexOf(key) == -1) {
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const value = input[key];
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if (value !== undefined) {
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result[key] = value;
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}
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}
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}
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return result;
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}
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