How to bundle Angular 2 Typescript app using Gulp and SystemJS?

Question

I\'m using Typescript with SystemJS for module loading and Gulp for task runner in my Angular 2 project. The current version of Angular in the project is RC2 but the problem is

Answer 1

Have you tried using SystemJS Builder in your bundle:app gulp task instead of jspm?

Below is a simplified version of how to bundle Tour of Heroes running 2.0.0-rc.1 (source, live example).

gulpfile.js

var gulp = require('gulp');
var sourcemaps = require('gulp-sourcemaps');
var concat = require('gulp-concat');
var typescript = require('gulp-typescript');
var systemjsBuilder = require('systemjs-builder');

// Compile TypeScript app to JS
gulp.task('compile:ts', function () {
  return gulp
    .src([
        "appTS/**/*.ts",
        "typings/*.d.ts"
    ])
    .pipe(sourcemaps.init())
    .pipe(typescript({
        "module": "system",
        "moduleResolution": "node",
        "outDir": "app",
        "target": "ES5"
    }))
    .pipe(sourcemaps.write('.'))
    .pipe(gulp.dest('app'));
});

// Generate systemjs-based bundle (app/app.js)
gulp.task('bundle:app', function() {
  var builder = new systemjsBuilder('public', './system.config.js');
  return builder.buildStatic('app', 'app/app.js');
});

// Copy and bundle dependencies into one file (vendor/vendors.js)
// system.config.js can also bundled for convenience
gulp.task('bundle:vendor', function () {
    return gulp.src([
        'node_modules/zone.js/dist/zone.js',
        'node_modules/reflect-metadata/Reflect.js',
        'node_modules/systemjs/dist/system-polyfills.js',
        'node_modules/core-js/client/shim.min.js',
        'node_modules/systemjs/dist/system.js',
        'system.config.js',
      ])
        .pipe(concat('vendors.js'))
        .pipe(gulp.dest('vendor'));
});

// Copy dependencies loaded through SystemJS into dir from node_modules
gulp.task('copy:vendor', function () {
    return gulp.src([
        'node_modules/rxjs/bundles/Rx.js',
        'node_modules/@angular/**/*'
    ])
    .pipe(gulp.dest('vendor'));
});

gulp.task('vendor', ['bundle:vendor', 'copy:vendor']);
gulp.task('app', ['compile:ts', 'bundle:app']);

// Bundle dependencies and app into one file (app.bundle.js)
gulp.task('bundle', ['vendor', 'app'], function () {
    return gulp.src([
        'app/app.js',
        'vendor/vendors.js'
        ])
    .pipe(concat('app.bundle.js'))
    .pipe(uglify())
    .pipe(gulp.dest('./app'));
});

gulp.task('default', ['bundle']);

system.config.js

var map = {
  'app':                                'app',
  'rxjs':                               'vendor/rxjs',
  'zonejs':                             'vendor/zone.js',
  'reflect-metadata':                   'vendor/reflect-metadata',
  '@angular':                           'vendor/@angular'
};

var packages = {
  'app':                                { main: 'main', defaultExtension: 'js' },
  'rxjs':                               { defaultExtension: 'js' },
  'zonejs':                             { main: 'zone', defaultExtension: 'js' },
  'reflect-metadata':                   { main: 'Reflect', defaultExtension: 'js' }
};

var packageNames = [
  '@angular/common',
  '@angular/compiler',
  '@angular/core',
  '@angular/http',
  '@angular/platform-browser',
  '@angular/platform-browser-dynamic',
  '@angular/router',
  '@angular/router-deprecated',
  '@angular/testing',
  '@angular/upgrade',
];

packageNames.forEach(function(pkgName) {
  packages[pkgName] = { main: 'index.js', defaultExtension: 'js' };
});

System.config({
  map: map,
  packages: packages
});