29 lines
684 B
TypeScript
29 lines
684 B
TypeScript
/**
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* Copyright (c) 2016 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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/*
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* A simple utility for cloning values
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*/
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export function clone<T>(val: T, depth: number = 5): T | null {
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if (typeof val !== 'object') {
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return val;
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}
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// cloning null always returns null
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if (val === null) {
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return null;
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}
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// If we're cloning an array, use an array as the base, otherwise use an object
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const clonedObject: any = Array.isArray(val) ? [] : {};
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for (const key in val) {
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// Recursively clone eack item unless we're at the maximum depth
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clonedObject[key] = depth <= 1 ? val[key] : clone(val[key], depth - 1);
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}
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return clonedObject as T;
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}
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