@simongrasinovski/str-utils/dist/longestWord.js

A lightweight utility library for effortless string manipulation. Simplify common tasks like case validation, conversion and formatting with easy-to-use functions that enhance your JavaScript applications

"use strict";

var _require = require('./utils'),
  ensureString = _require.ensureString;
var _require2 = require('./constants'),
  EMPTY_SPACES_REGEX = _require2.EMPTY_SPACES_REGEX;

/**
 * Finds the longest word in a string.
 *
 * @function
 * @param {string} input - The string to analyze.
 * @returns {string} Longest word found.
 *
 * @throws {TypeError} Throws an error if the input is not a string.
 *
 * @example
 * const result = longestWord('this is a multiple word string');
 * console.log(result); // 'multiple'
 */
module.exports = ensureString(function (input) {
  var words = input.trim().split(EMPTY_SPACES_REGEX);
  return words.reduce(function (acc, curr) {
    return curr.length > acc.length ? curr : acc;
  }, '');
});