ant-design-vue/components/_util/shallowequal.js

51 lines
1.1 KiB
JavaScript

import { toRaw } from 'vue';
function shallowEqual(objA, objB, compare, compareContext) {
let ret = compare ? compare.call(compareContext, objA, objB) : void 0;
if (ret !== void 0) {
return !!ret;
}
if (objA === objB) {
return true;
}
if (typeof objA !== 'object' || !objA || typeof objB !== 'object' || !objB) {
return false;
}
const keysA = Object.keys(objA);
const keysB = Object.keys(objB);
if (keysA.length !== keysB.length) {
return false;
}
const bHasOwnProperty = Object.prototype.hasOwnProperty.bind(objB);
// Test for A's keys different from B.
for (let idx = 0; idx < keysA.length; idx++) {
const key = keysA[idx];
if (!bHasOwnProperty(key)) {
return false;
}
const valueA = objA[key];
const valueB = objB[key];
ret = compare ? compare.call(compareContext, valueA, valueB, key) : void 0;
if (ret === false || (ret === void 0 && valueA !== valueB)) {
return false;
}
}
return true;
}
export default function (value, other, customizer, thisArg) {
return shallowEqual(toRaw(value), toRaw(other), customizer, thisArg);
}