@tanstack/react-store
Version:
Framework agnostic type-safe store w/ reactive framework adapters
49 lines (48 loc) • 1.31 kB
JavaScript
export * from "@tanstack/store";
import { useStore } from "./useStore.js";
function shallow(objA, objB) {
if (Object.is(objA, objB)) {
return true;
}
if (typeof objA !== "object" || objA === null || typeof objB !== "object" || objB === null) {
return false;
}
if (objA instanceof Map && objB instanceof Map) {
if (objA.size !== objB.size) return false;
for (const [k, v] of objA) {
if (!objB.has(k) || !Object.is(v, objB.get(k))) return false;
}
return true;
}
if (objA instanceof Set && objB instanceof Set) {
if (objA.size !== objB.size) return false;
for (const v of objA) {
if (!objB.has(v)) return false;
}
return true;
}
if (objA instanceof Date && objB instanceof Date) {
if (objA.getTime() !== objB.getTime()) return false;
return true;
}
const keysA = getOwnKeys(objA);
if (keysA.length !== getOwnKeys(objB).length) {
return false;
}
for (let i = 0; i < keysA.length; i++) {
if (!Object.prototype.hasOwnProperty.call(objB, keysA[i]) || !Object.is(objA[keysA[i]], objB[keysA[i]])) {
return false;
}
}
return true;
}
function getOwnKeys(obj) {
return Object.keys(obj).concat(
Object.getOwnPropertySymbols(obj)
);
}
export {
shallow,
useStore
};
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