@techmely/utils/isEmpty.js

Collection of helpful JavaScript / TypeScript utils

'use strict';

/*!
 * @techmely/utils
 * Copyright(c) 2021-2024 Techmely <techmely.creation@gmail.com>
 * MIT Licensed
 */


// src/isArray.ts
function isArray(val) {
  return val && Array.isArray(val);
}

// src/isEmptyArray.ts
function isEmptyArr(array) {
  return array?.length === 0;
}

// src/isObject.ts
function isObject(val) {
  return toString.call(val) === "[object Object]";
}

// src/isString.ts
function isString(val) {
  return typeof val === "string";
}

// src/isEmpty.ts
function isEmpty(val) {
  if (!val) {
    return true;
  }
  if (isArray(val)) {
    return isEmptyArr(val);
  }
  if (isString(val)) {
    return val.trim().length === 0;
  }
  if (val instanceof Map || val instanceof Set) {
    return val.size === 0;
  }
  if (isObject(val)) {
    return Object.keys(val).length === 0;
  }
  return false;
}

exports.isEmpty = isEmpty;