find possiblities

index.js

// given a string, list the possible cenarios for each character, given that if the word has a
// ? it should be either "E" or "U"
// example: "???" -> ["EEE", "EEU", "EUE", "EUU", "UEE", "UEU", "UUE", "UUU"]
// example: "??U" -> ["EEU", "EUU", "UEU", "UUU"]
// example "fo?" -> ["foE", "foU"]

/**
 *
 * @param {string} str
 * @returns {string[]}
 */
function questionMark(str) {
  // implement
}


/**
 *
 * @param {string} name
 * @param { } callback
 */
function assement(name, callback) {
  let counter = 0,
    failed = 0,
    errorList = [];

  console.log("Starting the program");

  /**
   *
   * @param {any} expected
   * @param {any} actual
   * @returns {void}
   */
  const assert = (expected, actual) => {
    counter++;
    if (expected !== actual) {
      failed++;
      errorList.push(new Error(`Expected ${expected} but got ${actual}`));
    }
  };

  callback(assert);
  console.log(`Total tests: ${counter}, Failed: ${failed}`);
  if (failed > 0) {
    console.log("Errors:");
    errorList.forEach((err) => console.log(err.message));
  }
}
void (function () {
  assement("questionMark", (assert) => {
    assert(
      ["EEE", "EEU", "EUE", "EUU", "UEE", "UEU", "UUE", "UUU"],
      questionMark("???")
    );
    assert(["EEU", "EUU", "UEU", "UUU"], questionMark("??U"));
    assert(["foE", "foU"], questionMark("fo?"));
  });
  console.log("Program finished");
})();