hence-inquisitor/lib/scaffold/multiInstall.js

A streamlined scaffolding installer utility, incorporating inquirer and glup-utils at it's core.

var _ = require('lodash');
var async = require('async');
var ascii = require('../ascii');

/**
 *
 * @param scaffold
 * @param steps
 * @param installOptions
 * @param done
 */
var multiInstall = function (scaffold, steps, installOptions, done) {
  var installers = [];
  var originalInstaller = _.cloneDeep(scaffold);
  var doneMessage = originalInstaller.content.done; // store the current done message for later

  originalInstaller.renderIntro();

  // Clear out content messages now, until the actual end when we can render the done message again.
  _.extend(originalInstaller.content, {
    intro: '',
    done: ''
  });

  _.each(installOptions, function (opts) {
    _.defaultsDeep(opts,{
      content: {
        done: ascii.spacer()
      }
    });

    installers.push(function (cb) {
      var tempInstaller = _.defaultsDeep({defaults: {skipToInstall: true}}, opts, _.cloneDeep(originalInstaller));

      if (originalInstaller.debug) {
        console.log('>> Start multi-installer with defaults of: ', _.pick(tempInstaller, 'content', 'defaults'));
      }

      tempInstaller.start(steps, cb);
    });
  });

  async.series(installers, function (err) {
    // Now that all of the installers are finished, provide the done message finally if no errors occurred
    if (!err && doneMessage) {
      ascii.complete(doneMessage, true);
    }

    // Call the stream/cli callback now everything is finished
    done();
  });
};

module.exports = multiInstall;