davideast

import UIKit

class MyViewController: UIViewController {
  
  // Store ref and handle as implicitly unwrapped optionals
  var ref: Firebase!
  var handle: UInt!
  
  override func viewDidLoad() {
    super.viewDidLoad()

davideast

function selectText(selection) {
  var range = selection.getRangeAt(0);
  function replaceRange(s, start, end, substitute) {
    return s.substring(0, start) + substitute + s.substring(end);
  }
  var text = selection.baseNode.textContent.substring(range.startOffset, range.endOffset);

  var mark = `<mark>${text}</mark>`;
  range.startContainer.parentElement.innerHTML = replaceRange(range.startContainer.textContent, range.startOffset, range.endOffset, mark);
}

davideast

import { angularUniversal } from 'angular-universal-express';
import * as express from 'express';

const app = express();
// serving static requests
app.use(express.static(__dirname + '/static'));
// serving dynamic requests
app.get('/*', angularUniversal({
  index: __dirname + '/index.html',
  main: __dirname + '/main.<your-hash>.bundle',

davideast

# Build the browser bundle
ng build --prod
# Build the universal bundle
ng build --prod --app 1
# Move the browser index.html to generate the SSR version
mv dist/index.html dist-server/
# Treat dist as static within dist-server
mv dist/ dist-server/static

davideast

# Build the browser bundle
ng build --prod
# Build the universal bundle
ng build --prod --app 1
# Move the browser index.html to generate the SSR version
mv dist/index.html dist-server/
# Treat dist as static within dist-server
mv dist/ dist-server/static
# Transpile TS server code
node_modules/.bin/tsc -p server/tsconfig.json

davideast

{
  "compilerOptions": {
    "outDir": "../dist-server",
    "sourceMap": true,
    "moduleResolution": "node",
    "target": "es5",
    "lib": [ "es2017" ]
  }
}

davideast

import { angularUniversal } from 'angular-universal-express';
import * as express from 'express';

const app = express();
/* 
  I usually copy my Angular CLI "dist" build into my "dist-server" build 
  and serve them as static files so they aren't treated as dynamic routes.
*/
app.use(express.static(__dirname + '/dist'));
app.get('/*', angularUniversal({

davideast

import * as firebase from 'firebase/app'; // Provides firebase-app.js only
import 'firebase/auth'; // Not named, just naked

const app = firebase.initializeApp({ });

console.log(app.auth()); // auth object
console.log(app.database()); // undefined

davideast

/**
 * Increases view count by one.
 * @param: db {FirebaseDatabase} - Firebase Database instance
 * @param: id {String} - id of post
 * @return: Promise<{committed: boolean, snapshot: nullable firebase.database.DataSnapshot}>
 * @docs: https://firebase.google.com/docs/reference/js/firebase.database.Reference#transaction
 */
const incrementViews = (db, id) => {
  const ref = db.ref('views').child(id)
  return ref.transaction(currentViews => {

davideast

isUser(uid) = auth != null && auth.uid == uid;

type Post {
  uid: String;
  title: String;
  description: String;
  timestamp: Number;
}

type User {