goes-install/lib/index.js

Install GoES for your platform using npm

'use strict';

var _https = require('https');

var _https2 = _interopRequireDefault(_https);

var _os = require('os');

var _os2 = _interopRequireDefault(_os);

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _decompress = require('decompress');

var _decompress2 = _interopRequireDefault(_decompress);

var _mkdirp = require('mkdirp');

var _mkdirp2 = _interopRequireDefault(_mkdirp);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var config = {
  versionToDownload: '20170211',
  urlBase: 'https://nicdex.com/files/goes/'
};

// supported platforms: darwin, linux, win32
// supported architecture: x64
function detect() {
  console.log('Detecting platform...');
  var _process = process,
      platform = _process.platform,
      arch = _process.arch;

  if (platform !== 'win32' && platform !== 'linux') {
    return Promise.reject(new Error('Only Windows and Linux are supported for now.'));
  }
  if (arch !== 'x64') {
    return Promise.reject(new Error('Only x64 processor architecture is supported.'));
  }
  var ext = platform === 'win32' ? 'zip' : 'tar.gz';
  var versionToDownload = config.versionToDownload,
      urlBase = config.urlBase;

  var fileName = 'goes-' + platform + '-' + arch + '-' + versionToDownload + '.' + ext;
  var tmpdir = _os2.default.tmpdir();
  var pathsep = _path2.default.sep;
  var options = {
    platform: platform,
    arch: arch,
    ext: ext,
    fileName: fileName,
    remoteUrl: '' + urlBase + fileName,
    localPath: '' + tmpdir + pathsep + fileName
  };
  console.log('- Platform: ' + platform + '\n- Architecture: ' + arch + '\n');
  return Promise.resolve(options);
}

function download(options) {
  return new Promise(function (resolve, reject) {
    console.log('Downloading archive from server...');
    var remoteUrl = options.remoteUrl,
        localPath = options.localPath,
        fileName = options.fileName;

    var fileStream = _fs2.default.createWriteStream(localPath);
    fileStream.on('error', function (err) {
      return reject(err);
    });
    fileStream.on('finish', function () {
      console.log('- Downloaded ' + fileName + '\n');
      resolve(options);
    });
    _https2.default.get(remoteUrl, function (res) {
      if (res.statusCode !== 200) return reject(new Error('Request failed: GET ' + remoteUrl + ' returned ' + res.statusCode + '.'));
      res.pipe(fileStream);
    }).on('error', function (err) {
      reject(new Error('Failed to download archive from ' + remoteUrl + '. ' + err));
    });
  });
}

function install(options) {
  return new Promise(function (resolve, reject) {
    console.log('Installing GoES...');
    var destParts = ['.deps', 'goes'];
    if (options.platform === 'win32') {
      destParts.push('bin');
    }
    var destPath = _path2.default.resolve(destParts.join(_path2.default.sep)).replace('/node_modules/goes-install', '');
    console.log('Installing to', destPath);
    (0, _mkdirp2.default)(destPath, function (err) {
      if (err) return reject(err);
      (0, _decompress2.default)(options.localPath, destPath).then(resolve, reject);
    });
  });
}

detect().then(download).then(install).catch(function (err) {
  console.log(err.message);
  process.exit(-1);
});