51 lines
1.1 KiB
JavaScript
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);
|
|
}
|