Method replaceSymbols

src/modules/helpers/index.ts:310–356

* Parses the given string symbol by symbol and replaces the placeholder appropriately. * * - `#` will be replaced with a digit (`0` - `9`). * - `?` will be replaced with an upper letter ('A' - 'Z') * - and `*` will be replaced with either a digit or letter. * * @param string The te

(string: string = '')

   * @since 3.0.0
   */
  replaceSymbols(string: string = ''): string {
    const alpha = [
      'A',
      'B',
      'C',
      'D',
      'E',
      'F',
      'G',
      'H',
      'I',
      'J',
      'K',
      'L',
      'M',
      'N',
      'O',
      'P',
      'Q',
      'R',
      'S',
      'T',
      'U',
      'V',
      'W',
      'X',
      'Y',
      'Z',
    ];
    let result = '';

    for (let i = 0; i < string.length; i++) {
      if (string.charAt(i) === '#') {
        result += this.faker.number.int(9);
      } else if (string.charAt(i) === '?') {
        result += this.arrayElement(alpha);
      } else if (string.charAt(i) === '*') {
        result += this.faker.datatype.boolean()
          ? this.arrayElement(alpha)
          : this.faker.number.int(9);
      } else {
        result += string.charAt(i);
      }
    }

    return result;
  }

  /**
   * Replaces the symbols and patterns in a credit card schema including Luhn checksum.