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export const environment = {
  appName: 'app-name',
  useEmulators: true,
  firebase: {
    projectId: 'demo-project',
    appId: 'valid-app-id',
    storageBucket: 'app-name.appspot.com',
    apiKey: 'valid-api-key',
    authDomain: 'app-name.firebaseapp.com',
    messagingSenderId: '1111111',

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NOTA: Ejecutar comandos sobre POWERSHELL con permisos de Administrador.
OpenSSH está incluido con Windows 10, Actualización 1803.

#Verificando las caracteristicas
$> Get-WindowsCapability -Online | Where-Object -Property Name -Like "OpenSSH*"
Name : OpenSSH.Client~~~~0.0.1.0
State : Installed

Name : OpenSSH.Server~~~~0.0.1.0
State : NotPresent

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Angular Material Theming Cheatsheet

Create a theme for a component.

1. Create a new file for theming the component at the same level as the component itself. Call it "{{componentName}}.scss-theme.scss" (From now on called the theme file)
2. Inside the theme file import material theming utils with @use '~@angular/material/theming' as material;
3. Then create a mixing with the name of the component and make it receive a parameter of $theme in order to provide for the theme. @mixin app-banner-theme($theme) {...}.
4. Inside that mixing, add all the neccesary styling for the component. You can access the theme colors like this:

   $theme-colors: material.mat-get-color-config($theme);

$success-color: map-get($theme-colors, success);

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const { Observable } = require('rxjs/Observable');
require('rxjs/add/observable/fromEvent');
require('rxjs/add/operator/map');
require('rxjs/add/observable/merge');

function createOnline$() {
  //merge several events into one
  return Observable.merge(
    //use .map() to transform the returned Event type into a true/false value
  	Observable.fromEvent(window, 'offline').map(() => false),

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How to handle shutdown gracefully in an App Engine.

app.get('/_ah/stop', (req, res) => {
  console.info('Shutting down.');
  server.close();
  res.send();
});

app.get('/_ah/start', (req, res) => {

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{
  "firestore": {
    "rules": "firestore.rules",
    "indexes": "firestore.indexes.json"
  },
  "functions": {
    "predeploy": [
      "npm --prefix \"$RESOURCE_DIR\" run lint",
      "npm --prefix \"$RESOURCE_DIR\" run build",
      "npm --prefix \"$RESOURCE_DIR\" run predeploy"

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Repository Title Goes Here

INSERT GRAPHIC HERE (include hyperlink in image)

Subtitle or Short Description Goes Here

ideally one sentence >

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import { Component, OnInit } from '@angular/core';
import { Service } from '../services/service';

@Component({
  selector: 'selector-name',
  templateUrl: 'name.component.html'
})

export class NameComponent implements OnInit, OnDestroy {
  subscriptions$: SubscriptionLike[] = [];

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1. Install Jest (yarn add -D jest babel-jest @babel/core @babel/preset-env | npm install -D jest babel-jest @babel/core @babel/preset-env)
2. Create babel.config.js file in the root of the project with this content

   module.exports = {
       presets: [
           ['@babel/preset-env', { targets: { node: 'current' } }],
           '@babel/preset-typescript'
       ]
   };
   

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Debug with Nodemon and Typescript - Source

When we have our node project in typescript and want to debug we can use VSCode debugger. However we are not willing to sacrifice restarting the server on save or working directly in typescript. How can we achieve that?

Install dependencies

The first step is to install our dev-dependencies. We are going to need:

• typescript
• ts-node
• nodemon
• @types/node