@gecut/utilities/data-types/unknown.js

The ultimate utility toolkit from Gecut Company, crafted with TypeScript for optimal speed and efficiency. Designed to boost productivity with a suite of fast and optimized tools.

export function isEqual(a, b) {
    // Early exit for identical references
    if (a === b) {
        return true;
    }
    // Handle null and undefined values
    if (a == null || b == null) {
        return false;
    }
    // Check types
    if (typeof a !== typeof b) {
        return false;
    }
    // Handle arrays
    if (Array.isArray(a) && Array.isArray(b)) {
        if (a.length !== b.length) {
            return false;
        }
        for (let i = 0; i < a.length; i++) {
            if (!isEqual(a[i], b[i])) {
                return false;
            }
        }
        return true;
    }
    // Handle objects
    if (typeof a === 'object' && typeof b === 'object') {
        const aKeys = Object.keys(a);
        const bKeys = Object.keys(b);
        if (aKeys.length !== bKeys.length) {
            return false;
        }
        for (const key of aKeys) {
            if (!bKeys.includes(key) || !isEqual(a[key], b[key])) {
                return false;
            }
        }
        return true;
    }
    // Handle primitive values
    return a === b;
}
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