import { getSymbols } from '../compat/_internal/getSymbols.mjs'; import { getTag } from '../compat/_internal/getTag.mjs'; import { uint32ArrayTag, uint16ArrayTag, uint8ClampedArrayTag, uint8ArrayTag, symbolTag, stringTag, setTag, regexpTag, objectTag, numberTag, mapTag, int32ArrayTag, int16ArrayTag, int8ArrayTag, float64ArrayTag, float32ArrayTag, dateTag, booleanTag, dataViewTag, arrayBufferTag, arrayTag, argumentsTag } from '../compat/_internal/tags.mjs'; import { isPrimitive } from '../predicate/isPrimitive.mjs'; import { isTypedArray } from '../predicate/isTypedArray.mjs'; function cloneDeepWith(obj, cloneValue) { return cloneDeepWithImpl(obj, undefined, obj, new Map(), cloneValue); } function cloneDeepWithImpl(valueToClone, keyToClone, objectToClone, stack = new Map(), cloneValue = undefined) { const cloned = cloneValue?.(valueToClone, keyToClone, objectToClone, stack); if (cloned !== undefined) { return cloned; } if (isPrimitive(valueToClone)) { return valueToClone; } if (stack.has(valueToClone)) { return stack.get(valueToClone); } if (Array.isArray(valueToClone)) { const result = new Array(valueToClone.length); stack.set(valueToClone, result); for (let i = 0; i < valueToClone.length; i++) { result[i] = cloneDeepWithImpl(valueToClone[i], i, objectToClone, stack, cloneValue); } if (Object.hasOwn(valueToClone, 'index')) { result.index = valueToClone.index; } if (Object.hasOwn(valueToClone, 'input')) { result.input = valueToClone.input; } return result; } if (valueToClone instanceof Date) { return new Date(valueToClone.getTime()); } if (valueToClone instanceof RegExp) { const result = new RegExp(valueToClone.source, valueToClone.flags); result.lastIndex = valueToClone.lastIndex; return result; } if (valueToClone instanceof Map) { const result = new Map(); stack.set(valueToClone, result); for (const [key, value] of valueToClone) { result.set(key, cloneDeepWithImpl(value, key, objectToClone, stack, cloneValue)); } return result; } if (valueToClone instanceof Set) { const result = new Set(); stack.set(valueToClone, result); for (const value of valueToClone) { result.add(cloneDeepWithImpl(value, undefined, objectToClone, stack, cloneValue)); } return result; } if (typeof Buffer !== 'undefined' && Buffer.isBuffer(valueToClone)) { return valueToClone.subarray(); } if (isTypedArray(valueToClone)) { const result = new (Object.getPrototypeOf(valueToClone).constructor)(valueToClone.length); stack.set(valueToClone, result); for (let i = 0; i < valueToClone.length; i++) { result[i] = cloneDeepWithImpl(valueToClone[i], i, objectToClone, stack, cloneValue); } return result; } if (valueToClone instanceof ArrayBuffer || (typeof SharedArrayBuffer !== 'undefined' && valueToClone instanceof SharedArrayBuffer)) { return valueToClone.slice(0); } if (valueToClone instanceof DataView) { const result = new DataView(valueToClone.buffer.slice(0), valueToClone.byteOffset, valueToClone.byteLength); stack.set(valueToClone, result); copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } if (typeof File !== 'undefined' && valueToClone instanceof File) { const result = new File([valueToClone], valueToClone.name, { type: valueToClone.type, }); stack.set(valueToClone, result); copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } if (typeof Blob !== 'undefined' && valueToClone instanceof Blob) { const result = new Blob([valueToClone], { type: valueToClone.type }); stack.set(valueToClone, result); copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } if (valueToClone instanceof Error) { const result = new valueToClone.constructor(); stack.set(valueToClone, result); result.message = valueToClone.message; result.name = valueToClone.name; result.stack = valueToClone.stack; result.cause = valueToClone.cause; copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } if (valueToClone instanceof Boolean) { const result = new Boolean(valueToClone.valueOf()); stack.set(valueToClone, result); copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } if (valueToClone instanceof Number) { const result = new Number(valueToClone.valueOf()); stack.set(valueToClone, result); copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } if (valueToClone instanceof String) { const result = new String(valueToClone.valueOf()); stack.set(valueToClone, result); copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } if (typeof valueToClone === 'object' && isCloneableObject(valueToClone)) { const result = Object.create(Object.getPrototypeOf(valueToClone)); stack.set(valueToClone, result); copyProperties(result, valueToClone, objectToClone, stack, cloneValue); return result; } return valueToClone; } function copyProperties(target, source, objectToClone = target, stack, cloneValue) { const keys = [...Object.keys(source), ...getSymbols(source)]; for (let i = 0; i < keys.length; i++) { const key = keys[i]; const descriptor = Object.getOwnPropertyDescriptor(target, key); if (descriptor == null || descriptor.writable) { target[key] = cloneDeepWithImpl(source[key], key, objectToClone, stack, cloneValue); } } } function isCloneableObject(object) { switch (getTag(object)) { case argumentsTag: case arrayTag: case arrayBufferTag: case dataViewTag: case booleanTag: case dateTag: case float32ArrayTag: case float64ArrayTag: case int8ArrayTag: case int16ArrayTag: case int32ArrayTag: case mapTag: case numberTag: case objectTag: case regexpTag: case setTag: case stringTag: case symbolTag: case uint8ArrayTag: case uint8ClampedArrayTag: case uint16ArrayTag: case uint32ArrayTag: { return true; } default: { return false; } } } export { cloneDeepWith, cloneDeepWithImpl, copyProperties };