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import { NgModule } from '@angular/core';
import * as ts from 'typescript';

const startTime = Date.now();

main()
  .then(() => Date.now())
  .then(endTime => console.log(`Done in ${endTime - startTime}ms`))
  .catch(e => {
    console.error(e);

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This is small script that can help generating routes manifest for @angular/service-worker. It is alternative way for ng-pwa-tools to generate manifest without ever running angular application on the server.

It requires you to have installed ng-pwa-tools and ng-router-resolver libraries.

It is a drop-in replacement for command ngu-sw-manifest.

NOTE: --out argument should point to existing manifest json file.

routes.js:

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// Precompile angular module before server-side rendering
import typescript from 'rollup-plugin-typescript2';
import angular from 'rollup-plugin-angular';
import nodeResolve from 'rollup-plugin-node-resolve';
import alias from 'rollup-plugin-alias';
import { GLOBAL, globalsRegex } from 'rollup-globals-regex';

export default {
  entry: 'src/app/app.module.ts',
  dest: 'dist-ngu/app.module.js',

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This shows how you can customize zone behavior in which Angular App will run.

Can be useful for example if you want to intercept all events that angular dispatches to your handlers.

First, create a custom-zone.ts file:

import 'zone.js';

interface TaskInfo {
  delegate: ZoneDelegate;

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Advanced Renderer

The idea here is to have an abstraction to safely run browser dependent code in non browser-native environment (like webworker or server-side) without breaking the app and not changing any application logic code.

execute(expression: string, args?: ExpressionArguments): Promise

import { Injectable, NgModule, PLATFORM_INITIALIZER, Provider } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import {

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So consider we have Logger class. And also we have a LoggerInContext class which extends Logger. And Logger has factory method to create new LoggerInContext instances.

// logger.ts

import { LoggerInContext } from './logger-in-context';

export class Logger {

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// EXPECTED
new Set(...document.body.classList)
> {"l", "o", "g", "e", "d", …}

// ACTUAL
new (Set.bind.apply(Set, [void 0].concat(document.body.classList)))();
> {"logged-in", "env-production", "emoji-size-boost"}

// FIX

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import { setOutputsMock } from './testing-helpers';

declare module './testing-helpers' {
  interface MockedOutput extends jest.Mock {}
}

setOutputsMock(() => jest.fn());

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// function with branching
function giveAppleOrOrange(condition) {
  if (condition) {
    return 'apple';
  } else {
    return 'orange';
  }
}

// function without branching