LendAndRegret/node_modules/es-toolkit/dist/compat/object/mergeWith.js
2026-05-02 17:27:43 +08:00

111 lines
4.2 KiB
JavaScript

'use strict';
Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
const cloneDeep = require('./cloneDeep.js');
const isUnsafeProperty = require('../../_internal/isUnsafeProperty.js');
const clone = require('../../object/clone.js');
const isBuffer = require('../../predicate/isBuffer.js');
const isPrimitive = require('../../predicate/isPrimitive.js');
const getSymbols = require('../_internal/getSymbols.js');
const isArguments = require('../predicate/isArguments.js');
const isArrayLikeObject = require('../predicate/isArrayLikeObject.js');
const isObjectLike = require('../predicate/isObjectLike.js');
const isPlainObject = require('../predicate/isPlainObject.js');
const isTypedArray = require('../predicate/isTypedArray.js');
function mergeWith(object, ...otherArgs) {
const sources = otherArgs.slice(0, -1);
const merge = otherArgs[otherArgs.length - 1];
let result = object;
for (let i = 0; i < sources.length; i++) {
const source = sources[i];
result = mergeWithDeep(result, source, merge, new Map());
}
return result;
}
function mergeWithDeep(target, source, merge, stack) {
if (isPrimitive.isPrimitive(target)) {
target = Object(target);
}
if (source == null || typeof source !== 'object') {
return target;
}
if (stack.has(source)) {
return clone.clone(stack.get(source));
}
stack.set(source, target);
if (Array.isArray(source)) {
source = source.slice();
for (let i = 0; i < source.length; i++) {
source[i] = source[i] ?? undefined;
}
}
const sourceKeys = [...Object.keys(source), ...getSymbols.getSymbols(source)];
for (let i = 0; i < sourceKeys.length; i++) {
const key = sourceKeys[i];
if (isUnsafeProperty.isUnsafeProperty(key)) {
continue;
}
let sourceValue = source[key];
let targetValue = target[key];
if (isArguments.isArguments(sourceValue)) {
sourceValue = { ...sourceValue };
}
if (isArguments.isArguments(targetValue)) {
targetValue = { ...targetValue };
}
if (isBuffer.isBuffer(sourceValue)) {
sourceValue = cloneDeep.cloneDeep(sourceValue);
}
if (Array.isArray(sourceValue)) {
if (Array.isArray(targetValue)) {
const cloned = [];
const targetKeys = Reflect.ownKeys(targetValue);
for (let i = 0; i < targetKeys.length; i++) {
const targetKey = targetKeys[i];
cloned[targetKey] = targetValue[targetKey];
}
targetValue = cloned;
}
else if (isArrayLikeObject.isArrayLikeObject(targetValue)) {
const cloned = [];
for (let i = 0; i < targetValue.length; i++) {
cloned[i] = targetValue[i];
}
targetValue = cloned;
}
else {
targetValue = [];
}
}
const merged = merge(targetValue, sourceValue, key, target, source, stack);
if (merged !== undefined) {
target[key] = merged;
}
else if (Array.isArray(sourceValue)) {
target[key] = mergeWithDeep(targetValue, sourceValue, merge, stack);
}
else if (isObjectLike.isObjectLike(targetValue) &&
isObjectLike.isObjectLike(sourceValue) &&
(isPlainObject.isPlainObject(targetValue) ||
isPlainObject.isPlainObject(sourceValue) ||
isTypedArray.isTypedArray(targetValue) ||
isTypedArray.isTypedArray(sourceValue))) {
target[key] = mergeWithDeep(targetValue, sourceValue, merge, stack);
}
else if (targetValue == null && isPlainObject.isPlainObject(sourceValue)) {
target[key] = mergeWithDeep({}, sourceValue, merge, stack);
}
else if (targetValue == null && isTypedArray.isTypedArray(sourceValue)) {
target[key] = cloneDeep.cloneDeep(sourceValue);
}
else if (targetValue === undefined || sourceValue !== undefined) {
target[key] = sourceValue;
}
}
return target;
}
exports.mergeWith = mergeWith;