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

31 lines
987 B
JavaScript

import { keys } from './keys.mjs';
import { isEqualsSameValueZero } from '../../_internal/isEqualsSameValueZero.mjs';
function assignWith(object, ...sources) {
let getValueToAssign = sources[sources.length - 1];
if (typeof getValueToAssign === 'function') {
sources.pop();
}
else {
getValueToAssign = undefined;
}
for (let i = 0; i < sources.length; i++) {
assignWithImpl(object, sources[i], getValueToAssign);
}
return object;
}
function assignWithImpl(object, source, getValueToAssign) {
const keys$1 = keys(source);
for (let i = 0; i < keys$1.length; i++) {
const key = keys$1[i];
const objValue = object[key];
const srcValue = source[key];
const newValue = getValueToAssign?.(objValue, srcValue, key, object, source) ?? srcValue;
if (!(key in object) || !isEqualsSameValueZero(objValue, newValue)) {
object[key] = newValue;
}
}
}
export { assignWith };