32 lines
981 B
JavaScript
32 lines
981 B
JavaScript
'use strict';
|
|
|
|
Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
|
|
|
|
const isIterateeCall = require('../_internal/isIterateeCall.js');
|
|
const eq = require('../util/eq.js');
|
|
|
|
function defaults(object, ...sources) {
|
|
object = Object(object);
|
|
const objectProto = Object.prototype;
|
|
let length = sources.length;
|
|
const guard = length > 2 ? sources[2] : undefined;
|
|
if (guard && isIterateeCall.isIterateeCall(sources[0], sources[1], guard)) {
|
|
length = 1;
|
|
}
|
|
for (let i = 0; i < length; i++) {
|
|
const source = sources[i];
|
|
const keys = Object.keys(source);
|
|
for (let j = 0; j < keys.length; j++) {
|
|
const key = keys[j];
|
|
const value = object[key];
|
|
if (value === undefined ||
|
|
(!Object.hasOwn(object, key) && eq.eq(value, objectProto[key]))) {
|
|
object[key] = source[key];
|
|
}
|
|
}
|
|
}
|
|
return object;
|
|
}
|
|
|
|
exports.defaults = defaults;
|