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const OBJ_PROTO = Object.prototype;
export const deepEqual = (a: unknown, b: unknown): boolean => {
// Primitives
if (a === b) return true;
let length: number = 0,
i: number = 0;
// Arrays
if (isArray(a)) {
if (!isArray(b)) return false;
length = a.length;
if (length !== (b as Array<unknown>).length) return false;
for (i = length; i-- !== 0; ) if (!deepEqual(a[i], (b as Array<unknown>)[i])) return false;
return true;
}
// Objects
if (a && b && typeof a === 'object' && typeof b === 'object') {
specific: {
if ((<any>a).__proto__ === OBJ_PROTO) break specific;
Eif (a instanceof Uint8Array) {
if (!(b instanceof Uint8Array)) return false;
const length = a.length;
if (length !== b.length) return false;
for (let i = 0; i < length; i++) Iif (a[i] !== b[i]) return false;
return true;
}
}
const keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length) return false;
if (isArray(b)) return false;
for (i = length; i-- !== 0; ) {
const key = keys[i];
if (!deepEqual((a as Record<string, unknown>)[key], (b as Record<string, unknown>)[key])) return false;
}
return true;
}
return false;
};
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