ts-predicate/lib/esm/ValueGuard.js

TypeScript predicates and assertions library

import { TypeGuard } from "./TypeGuard.js";
/**
* ValueGuard
*
* @class
*/
class ValueGuard {
    /**
    * IsSimilar
    *
    * @description check if two value are similar (same key and values)
    * @public
    * @static
    * @param {unknown} a first argument
    * @param {unknown} b second argument
    * @return {boolean} a boolean
    */
    static IsSimilar(a, b) {
        if (a === b) {
            return true;
        }
        if (Number.isNaN(a) && Number.isNaN(b)) {
            return true;
        }
        if (TypeGuard.IsRecord(a) && TypeGuard.IsRecord(b)) {
            const KEYS_A = Object.keys(a);
            const KEYS_B = Object.keys(b);
            if (!ValueGuard.IsSimilar(KEYS_A, KEYS_B)) {
                return false;
            }
            return KEYS_A.every((key) => {
                return ValueGuard.IsSimilar(a[key], b[key]);
            });
        }
        if (Array.isArray(a) && Array.isArray(b) && a.length === b.length) {
            // Stryker disable next-line EqualityOperator: Accessing out of bound values on both arrays
            for (let i = 0; i < a.length; ++i) {
                if (!ValueGuard.IsSimilar(a[i], b[i])) {
                    return false;
                }
            }
            return true;
        }
        return false;
    }
}
export { ValueGuard };