33 lines
574 B
TypeScript
Executable File
33 lines
574 B
TypeScript
Executable File
export function shallowEqual<
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T extends Record<string, unknown> = Record<string, unknown>
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>(objA?: T, objB?: T) {
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if (objA === objB) {
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return true;
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}
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if (!objA || !objB) {
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return false;
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}
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const aKeys = Object.keys(objA);
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const bKeys = Object.keys(objB);
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const len = aKeys.length;
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if (bKeys.length !== len) {
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return false;
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}
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for (let i = 0; i < len; i++) {
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const key = aKeys[i];
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if (
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objA[key] !== objB[key] ||
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!Object.prototype.hasOwnProperty.call(objB, key)
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) {
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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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