typescript-ds-lib/dist/lib/utils.js

A collection of TypeScript data structure implementations

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Utils = void 0;
class Utils {
    static equals(key1, key2) {
        if (key1 === key2)
            return true;
        if (key1 == null || key2 == null)
            return key1 === key2;
        // Check for custom equals method
        if (typeof key1.equals === 'function') {
            return key1.equals(key2);
        }
        const type1 = typeof key1;
        const type2 = typeof key2;
        // Handle primitives
        if (type1 !== 'object' && type2 !== 'object') {
            if (type1 === 'number' && type2 === 'number') {
                return key1 === key2 || (isNaN(key1) && isNaN(key2));
            }
            return key1 === key2;
        }
        // Handle special object types
        if (key1 instanceof Date) {
            return key2 instanceof Date &&
                (key1.getTime() === key2.getTime() || (isNaN(key1.getTime()) && isNaN(key2.getTime())));
        }
        if (key1 instanceof RegExp) {
            return key2 instanceof RegExp && key1.toString() === key2.toString();
        }
        if (Array.isArray(key1)) {
            if (!Array.isArray(key2) || key1.length !== key2.length)
                return false;
            for (let i = 0; i < key1.length; i++) {
                if (!Utils.equals(key1[i], key2[i]))
                    return false;
            }
            return true;
        }
        // Handle plain objects
        if (typeof key1 === 'object' && typeof key2 === 'object') {
            const keys1 = Object.keys(key1);
            const keys2 = Object.keys(key2);
            return keys1.length === keys2.length &&
                keys1.every(k => k in key2 && Utils.equals(key1[k], key2[k]));
        }
        return false;
    }
}
exports.Utils = Utils;
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