@qbyco/tjs-cli/lib/helpers/string.js

TrafaletJS CLI Tool

(function () {

  /**
   * @method toUniqueId
   * Gets the provided string and uses it as a salt for
   * creating a unique ID
   */
  Object.defineProperty(String.prototype, "toUniqueId", {
    value: function (keyLength) {
      let text = "",
        size = 10,
        possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

      possible += this.toString();
      if(undefined !== keyLength) {
        size = keyLength;
      }

      for( var i=0; i < size; i++ ) {
        text += possible.charAt(Math.floor(Math.random() * possible.length));
      }

      return text;
    }
  });


  /**
   * @method sprintf
   * The good ol` sprintf
   */
  Object.defineProperty(String.prototype, "sprintf", {
    value: function () {
      let text,
        i_argument;

      text = this.toString();

      for (i_argument = 0; i_argument < arguments.length; i_argument += 1) {
        text = text.replace("%s", arguments[i_argument]);
      }
      return text;
    }
  });

  /**
   * @method capitalizeFirstLetter
   * @memberof String
   * @description Will make first letter in string upper case
   * @return {string}
   */
  Object.defineProperty(String.prototype, "capitalizeFirstLetter", {
    value: function () {
      return this.charAt(0).toUpperCase() + this.slice(1);
    }
  });

}());