41 lines
933 B
TypeScript
41 lines
933 B
TypeScript
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/**
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* Clones the object, incorporating functions as functions in the result.
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*/
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export function structuredCloneWithFunctions(obj, seen = new WeakMap()) {
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// Handle null, primitives, and functions
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if (obj === null || typeof obj !== 'object') {
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return obj;
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}
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if (typeof obj === 'function') {
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return obj; // copy function by reference
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}
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// Handle circular references
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if (seen.has(obj)) {
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return seen.get(obj);
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}
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// Handle Date
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if (obj instanceof Date) {
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return new Date(obj.getTime());
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}
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// Handle Array
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if (Array.isArray(obj)) {
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const arrCopy = [];
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seen.set(obj, arrCopy);
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for (const item of obj) {
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arrCopy.push(structuredCloneWithFunctions(item, seen));
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}
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return arrCopy;
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}
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// Handle Object
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const copy = {};
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seen.set(obj, copy);
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for (const key of Object.keys(obj)) {
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copy[key] = structuredCloneWithFunctions(obj[key], seen);
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}
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return copy;
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}
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