Use correct var for let

[rbdr/tomato-sauce] / lib / screens / random.js

'use strict';

/**
 * Draws random colors
 *
 * @function RandomScreen
 * @implements IScreen
 */
module.exports = function (modulation, width, height, renderer) {

  let response = '';

  for (let i = 0; i < height; ++i) {
    for (let j = 0; j < width; ++j) {
      const red = Math.floor(Math.random() * 255);
      const blue = Math.floor(Math.random() * 255);
      const green = Math.floor(Math.random() * 255);

      response = response + renderer(red, blue, green);
      response = response + ' ';
    }

    if (i < height - 1) {
      response = response + '\n';
    }
  }

  return response;
};