2628-json-deep-equal

DevGod

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Caution

DevGod needs to write an editorial for this problem!

js

/**
 * @param {any} o1
 * @param {any} o2
 * @return {boolean}
 */
var areDeeplyEqual = function(o1, o2) {
    if(o1 === o2){return true;}
    if(o1 === null || o2 === null) return false;

    if (typeof o1 !== 'object') {
        return o1 === o2;
    }

    if (Array.isArray(o1)) {
        if (o1.length !== o2.length) return false;

        for (let i = 0; i < o1.length; i++) {
            if (!areDeeplyEqual(o1[i], o2[i])) return false;
        }

        return true;
    }

    if (Object.keys(o1).length !== Object.keys(o2).length) return false;

    for (const key in o1) {
        if (!areDeeplyEqual(o1[key], o2[key])) return false;
    }

    return true;
};