checkForSpace.js

/**
 * Checks if a given string contains any space character.
 *
 * @param {string} str - The input string to be checked.
 * @throws {Error} Throws an error if the string contains a space.
 * @returns {boolean} - Returns true if the string does not contain a space.
 */
function checkForSpace(str) {
  // Check if the string includes a space character
  if (str.includes(' ')) {
    // If a space is found, throw an error with a specific message
    throw new Error('String should not contain space');
  }

  // If the string does not contain a space, return true or perform any other desired operation
  return true;
}

function checkForSpace_test() {
  checkForSpace('hello'); // Returns true
  checkForSpace('hello world'); // Throws an error with message 'String should not contain space'
}