/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *
 * @format
 */
"use strict";

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }
  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}

function _asyncToGenerator(fn) {
  return function() {
    var self = this,
      args = arguments;
    return new Promise(function(resolve, reject) {
      var gen = fn.apply(self, args);
      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }
      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }
      _next(undefined);
    });
  };
}

const fs = require("fs-extra");

exports.watchFile =
  /*#__PURE__*/
  (function() {
    var _ref = _asyncToGenerator(function*(filename, callback) {
      fs.watchFile(filename, () => {
        callback();
      });
      yield callback();
    });

    return function(_x, _x2) {
      return _ref.apply(this, arguments);
    };
  })();

exports.makeAsyncCommand = (
  command // eslint-disable-next-line lint/no-unclear-flowtypes
) => argv => {
  Promise.resolve(command(argv)).catch(error => {
    console.error(error.stack);
    process.exitCode = 1;
  });
};