1  const fs = require('./../../core/fs.js');
 2  const utils = require('./../../utils/utils.js');
 3  const async = require('async');
 4  
 5  class PluginCommand {
 6    constructor(embark) {
 7      this.embark = embark;
 8      this.config = this.embark.pluginConfig;
 9      this.embarkConfig = this.config.embarkConfig;
10      this.registerCommand();
11    }
12  
13    registerCommand() {
14      this.embark.registerConsoleCommand((cmd, _options) => {
15        let cmdArray = cmd.split(' ');
16        cmdArray = cmdArray.filter(cmd => cmd.trim().length > 0);
17        let cmdName = cmdArray[0];
18        return {
19          match: () => cmdName === 'plugin',
20          process: this.installPlugin.bind(this, cmdArray)
21        };
22      });
23    }
24  
25    installPlugin(cmdArray, callback) {
26      const self = this;
27  
28      if (cmdArray.length < 3 || cmdArray[1] !== 'install' || typeof cmdArray[2] === 'undefined') {
29        return callback(__('Invalid use of plugin command. Please use `plugin install <package>`'));
30      }
31      let npmInstall = ['npm', 'install', '--save'];
32      npmInstall = npmInstall.concat(cmdArray.slice(2));
33      let npmPackage = npmInstall[3];
34      if (!npmPackage.startsWith('embark')) {
35        npmPackage = 'embark-' + npmPackage;
36      }
37      self.embark.logger.info(__('Installing npm package %s...', npmPackage));
38      async.waterfall([
39        function npmInstallAsync(cb) {
40          utils.runCmd(npmInstall.join(' '), {silent: false, exitOnError: false}, (err) => {
41            if (err) {
42              return cb(err);
43            }
44            cb();
45          });
46        },
47        function addToEmbarkConfig(cb) {
48          // get the installed package from package.json
49          let packageFile = fs.readJSONSync(self.config.packageFile);
50          let dependencies = Object.keys(packageFile.dependencies);
51          let installedPackage = dependencies.filter((dep) => npmPackage.indexOf(dep) >= 0);
52          self.embarkConfig.plugins[installedPackage[0]] = {};
53          fs.writeFile(self.config.embarkConfigFile, JSON.stringify(self.embarkConfig, null, 2), cb);
54        }
55      ], (err) => {
56        if (err) {
57          self.embark.logger.error(__('Error installing npm package %s. Please visit ' +
58            'https://embark.status.im/plugins/ for all supported plugins', npmPackage));
59          return callback(__('Error occurred'));
60        }
61        callback(null, __('NPM package %s successfully installed as a plugin', npmPackage));
62      });
63    }
64  }
65  
66  module.exports = PluginCommand;