index.js

const fs = require('fs');
const path = require('path');

module.exports = function (robot, scripts) {
  const scriptsPath = path.resolve(__dirname, 'src', 'scripts');
  return fs.exists(scriptsPath, function (exists) {
    if (exists) {
      return (() => {
        const result = [];
        for (var script of Array.from(fs.readdirSync(scriptsPath))) {
          if (scripts != null && !Array.from(scripts).includes('*')) {
            if (Array.from(scripts).includes(script)) {
              result.push(robot.loadFile(scriptsPath, script));
            } else {
              result.push(undefined);
            }
          } else {
            result.push(robot.loadFile(scriptsPath, script));
          }
        }
        return result;
      })();
    }
  });
};