ngrx-rtk-query
Version:
Angular RTK Query
29 lines • 3.62 kB
JavaScript
function is(x, y) {
if (x === y) {
return x !== 0 || y !== 0 || 1 / x === 1 / y;
}
else {
return x !== x && y !== y;
}
}
export function shallowEqual(objA, objB) {
if (is(objA, objB)) {
return true;
}
if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) {
return false;
}
const keysA = Object.keys(objA);
const keysB = Object.keys(objB);
if (keysA.length !== keysB.length) {
return false;
}
// eslint-disable-next-line @typescript-eslint/prefer-for-of
for (let i = 0; i < keysA.length; i++) {
if (!Object.prototype.hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
return false;
}
}
return true;
}
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