50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
function shallow$1(objA, objB) {
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if (Object.is(objA, objB)) {
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return true;
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}
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if (typeof objA !== "object" || objA === null || typeof objB !== "object" || objB === null) {
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return false;
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}
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if (objA instanceof Map && objB instanceof Map) {
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if (objA.size !== objB.size)
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return false;
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for (const [key, value] of objA) {
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if (!Object.is(value, objB.get(key))) {
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return false;
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}
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}
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return true;
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}
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if (objA instanceof Set && objB instanceof Set) {
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if (objA.size !== objB.size)
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return false;
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for (const value of objA) {
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if (!objB.has(value)) {
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return false;
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}
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}
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return true;
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}
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const keysA = Object.keys(objA);
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if (keysA.length !== Object.keys(objB).length) {
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return false;
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}
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for (const keyA of keysA) {
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if (!Object.prototype.hasOwnProperty.call(objB, keyA) || !Object.is(objA[keyA], objB[keyA])) {
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return false;
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}
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}
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return true;
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}
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var shallow = (objA, objB) => {
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if (process.env.NODE_ENV !== "production") {
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console.warn(
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"[DEPRECATED] Default export is deprecated. Instead use `import { shallow } from 'zustand/shallow'`."
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);
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}
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return shallow$1(objA, objB);
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};
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export { shallow as default, shallow$1 as shallow };
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