General Express Server API with TypeScript

<form action="/new" method="post">
 
  <input name="title" type="text">
  <input name="description" type="text">
  <button type="submit">Submit Form</button>
 
</form>

npm install heroku-ssl-redirect

db.students.update(
   { _id: 1 },
   { $push: { scores: 89 } }
)

var mongoose = require('mongoose');
var Schema = mongoose.Schema;

const exampleSchema = new Schema({
    title: { type: String , required: true},
    content: [{type: String}]
});


var Example = mongoose.model('Example', exampleSchema);
module.exports = Example;

$ git status 
$ git add .
$ git commit -m "update information"
$ git push heroku master
$ git heroku open

var express = require("express");
var app = express();
const session = require('express-session');
var MemcachedStore = require('connect-memjs')(session);

// configure sessions
var store = new MemcachedStore({servers: [process.env.MEMCACHEDCLOUD_SERVERS], username: process.env.MEMCACHEDCLOUD_USERNAME, password: process.env.MEMCACHEDCLOUD_PASSWORD});
app.use(session({ secret: 'keyboard cat',
   resave: true,
   saveUninitialized: true,
   cookie: { secure: true }, 
   store: store
}))

router.post('/:id/edit', auth.requireLogin, (req, res, next) => {
  Post.findByIdAndUpdate(req.params.id, req.body, function(err, post) {
    if(err) { console.error(err) };

     res.redirect(`/`+req.params.id);
  });
});

function processSQLFile(fileName) {

  // Extract SQL queries from files. Assumes no ';' in the fileNames
  var queries = fs.readFileSync(fileName).toString()
    .replace(/(\r\n|\n|\r)/gm," ") // remove newlines
    .replace(/\s+/g, ' ') // excess white space
    .split(";") // split into all statements
    .map(Function.prototype.call, String.prototype.trim)
    .filter(function(el) {return el.length != 0}); // remove any empty ones

  // Execute each SQL query sequentially
  queries.forEach(function(query) {
    batch.push(function(done) {
      if (query.indexOf("COPY") === 0) { // COPY - needs special treatment
        var regexp = /COPY\ (.*)\ FROM\ (.*)\ DELIMITERS/gmi;
        var matches = regexp.exec(query);
        var table = matches[1];
        var fileName = matches[2];
        var copyString = "COPY " + table + " FROM STDIN DELIMITERS ',' CSV HEADER";
        var stream = client.copyFrom(copyString);
        stream.on('close', function () {
          done();
        });
        var csvFile = __dirname + '/' + fileName;
        var str = fs.readFileSync(csvFile);
        stream.write(str);
        stream.end();
      } else { // Other queries don't need special treatment
        client.query(query, function(result) {
          done();
        });
      }
    });
  });
}

array.sort((x, y) => +new Date(x.createdAt) - +new Date(y.createdAt));

var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var slug = require('mongoose-slug-generator');

mongoose.plugin(slug);

const pageSchema = new Schema({
    title: { type: String , required: true},
    slug: { type: String, slug: "title" }
});

var Page = mongoose.model('Page', pageSchema);
module.exports = Page;

import thunk, { ThunkDispatch } from 'redux-thunk'

export type IRootThunkDispatch = ThunkDispatch<IRootState, null, IRootAction>

const store = createStore<IRootState,IRootAction,{},{}>(
    rootReducer,
    composeEnhancers(
        applyMiddleware(logger),
        applyMiddleware(routerMiddleware(history)),
        applyMiddleware(thunk),
    )
);

export default store;

// store.ts
import {
  RouterState,
  connectRouter,
  routerMiddleware,
  CallHistoryMethodAction
} from 'connected-react-router';
import { createBrowserHistory } from 'history';

export const history = createBrowserHistory();

export interface IRootState{
    board: IBoardState,
    score: IScoreState
    router: RouterState
}

const rootReducer = combineReducers<IRootState>({
    board: boardReducers,
    score: scoreReducers,
    router: connectRouter(history)
});

type  IRootAction = ... | CallHistoryMethodAction;
const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose;

let store = createStore<IRootState,IRootAction,{},{}>(
                rootReducer,
                composeEnhancers(
                    applyMiddleware(logger),
                    applyMiddleware(routerMiddleware(history))
                )
            );

export default store;


//-----------------------------------------
// App.tsx
import { ConnectedRouter } from 'connected-react-router';
import { history } from './store';
import { Link } from 'react-router-dom';
/*Other imports are omitted for simplicity reason*/

class App extends React.Component {
  public render() {
    return (
      <Provider store={store}>
        <ConnectedRouter history={history}>
          <div>
            <nav className="nav-bar">
              <Link to="/" className="link">Home</Link>
              <Link to="/board" className="link">Open Board</Link>
              <Link to="/scores" className="link">Score Board</Link>
              <Link to="/about" className="link">About us</Link>
            </nav>
            <div>
                <Switch>
                  <Route path="/" exact={true} component={Home} />
                  <Route path="/scores"  component={Scores} />
                  <Route path="/board" component={Board} />
                  <Route path="/about" component={About} />
                  <Route component={NoMatch} />
                </Switch>
            </div>
          </div>
        </ConnectedRouter>
      </Provider>
    );
  }
}

export default App

import multer from 'multer';

// see customize section
const upload = multer({dest:'uploads/'})

const app = express();
app.use(bodyParser.urlencoded({extended:true}));
app.use(bodyParser.json());

app.post('/contact',upload.single('profile'),(req,res)=>{
    console.log(req.file.key); // get the name of the file
    console.log(req.body); // Other fields are in req.body
    res.redirect('/');
})

// ----------------------------------
// upload options
upload.single("field-name");
upload.array("field-name");
upload.fields([
  { name: 'avatar', maxCount: 1 },
  { name: 'gallery', maxCount: 8 }
])

// ---------------------------------
// customize multer
const storage = multer.diskStorage({
    destination: function (req, file, cb) {
      cb(null, path.resolve('/uploads'));
    },
    filename: function (req, file, cb) {
      cb(null, `${file.fieldname}-${Date.now()}.${file.mimetype.split('/')[1]}`);
    }
  })
const upload = multer({storage})