codetrix/dist/objects/isEmpty.js

A lightweight lodash-style utility library

/**
 * Checks if a value is considered empty.
 * Supports strings, arrays, objects, maps, and sets.
 *
 * @param value - The value to check.
 * @returns `true` if the value is empty, `false` otherwise.
 *
 * @example
 * isEmpty(''); // true
 * isEmpty([]); // true
 * isEmpty({}); // true
 * isEmpty([1]); // false
 */
export function isEmpty(value) {
    if (value == null)
        return true;
    if (typeof value === 'string' || Array.isArray(value)) {
        return value.length === 0;
    }
    if (value instanceof Map || value instanceof Set) {
        return value.size === 0;
    }
    if (typeof value === 'object') {
        return Object.keys(value).length === 0;
    }
    return false;
}