output a composition root from conventional bower based angularjs projects to a bundled browserified project using gulp

convert-angularjs-from-bower-globals-to-commonjs-require.js

/* jshint node: true */
'use strict';

var gulp = require('gulp'),
  bower = require('./bower'),
  replace = require('gulp-replace'),
  through2 = require('through2');


/**
 * All AngularJS application files as a stream
 */
function appFiles () {
  var files = [
    './.tmp/' + bower.name + '-templates.js',
    './.tmp/app/**/*.js',
    '!./.tmp/app/**/*.spec.js',
    './src/**/*.js',
    '!./src/**/*.spec.js'
  ];
  return gulp.src(files)
    //.pipe(g.angularFilesort())
    ;
}

function moduleFiles(){
  var folder = process.env.DIR;
  folder = !folder ? '' : folder + '/';
  folder = './src/'+folder+'**/*.js';
  console.log('folder', folder);
  return gulp.src([
    folder,
    '!**/*.spec.js'
  ]);

}

var regex = ( /.*angular\s*\.\s*module\s*\('([^']*)'\)\s*\.\s*(directive|factory|service|controller)\('([^']*)',.*/ );
gulp.task('temp', function() {
  //var modules = [];
  var moduleComponents = {};
  return moduleFiles()

    .pipe(through2.obj(
      function transformFn(file, encoding, done) {
        var contents = file.contents.toString();
        var matches = regex.exec(contents);
        if (!!matches && matches.constructor === Array) {
          matches =  matches.slice(1);
          //console.log(matches, file.relative);
          var moduleName = matches[0];
          var components = moduleComponents[moduleName];
          if (!components) {
            components = [];
            moduleComponents[moduleName] = components;
          }
          var item = {
            componentType: matches[1],
            name: matches[2],
            path: file.relative
          };
          components.push(item);
        }
        else {
          console.log('// match failure: '+file.relative);
        }
        done();
      },
      function flushFn(done) {
        //console.log(moduleComponents);
        var invalid = []
        for (var moduleName in moduleComponents) {
          if (moduleComponents.hasOwnProperty((moduleName))) {
            var modules = moduleComponents[moduleName];
            console.log("angular.module('"+moduleName+"')");
            modules.forEach(function(module) {
              var statement;
              if (module.name.indexOf('[') >= 0) {
                invalid.push(module.path);
              }
              else {
                statement = module.path.replace( /\\/g , '/');
                statement = 'require(\'./'+statement+'\')';
                statement = '    .' + module.componentType + '(\'' + module.name + '\', ' + statement + ')';
                console.log(statement);
              }
            });
            console.log(';');
          }
        }
        invalid.forEach(function(path) {
          console.log("// invalid file: "+path);
        });
        done();
      }
  ));
});




gulp.task('convert', function() {
  //var modules = [];
  var moduleComponents = {};
  return moduleFiles()
    .pipe(replace(/angular\.module\s*\(\'(.*)'\)\s*\.(directive|factory|service|controller)\(\'(.*)\'\,\s*function\s*\(([\$\w\,\s]*)\)\s*\{([\s\/\w\=\'\:\.\-\;\{\}\?\,\(\)\\\*\[\]\%\<\>\+\&\$\!\@\|\^\%\"\#]*)\s*\}\)\;/ig,
      '/**\n * @ngInject\n */\nfunction $3 ($4) { $5 } \n\nmodule.exports = $3;'))
    .pipe(gulp.dest('convertedFiles'))

    ;
});