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BETTERZON-38: Switched Backend to TypeScript

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This commit is contained in:
Patrick Müller 2020-11-22 16:42:17 +01:00
parent 09793fbb40
commit 00baf5939e
15 changed files with 4146 additions and 682 deletions
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3
.gitignore vendored
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@ -52,3 +52,6 @@ testem.log
.DS_Store
Thumbs.db
/CucumberTests/target/
# Env files
.env

8
Backend/Backend.iml
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@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<module type="WEB_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

41
Backend/app.js
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@ -1,41 +0,0 @@
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({extended: false}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', indexRouter);
app.use('/users', usersRouter);
// catch 404 and forward to error handler
app.use(function (req, res, next) {
next(createError(404));
});
// error handler
app.use(function (err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
// render the error page
res.status(err.status || 500);
res.render('error');
});
module.exports = app;

90
Backend/bin/www
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@ -1,90 +0,0 @@
#!/usr/bin/env node
/**
* Module dependencies.
*/
var app = require('../app');
var debug = require('debug')('backend:server');
var http = require('http');
/**
* Get port from environment and store in Express.
*/
var port = normalizePort(process.env.PORT || '3000');
app.set('port', port);
/**
* Create HTTP server.
*/
var server = http.createServer(app);
/**
* Listen on provided port, on all network interfaces.
*/
server.listen(port);
server.on('error', onError);
server.on('listening', onListening);
/**
* Normalize a port into a number, string, or false.
*/
function normalizePort(val) {
var port = parseInt(val, 10);
if (isNaN(port)) {
// named pipe
return val;
}
if (port >= 0) {
// port number
return port;
}
return false;
}
/**
* Event listener for HTTP server "error" event.
*/
function onError(error) {
if (error.syscall !== 'listen') {
throw error;
}
var bind = typeof port === 'string'
? 'Pipe ' + port
: 'Port ' + port;
// handle specific listen errors with friendly messages
switch (error.code) {
case 'EACCES':
console.error(bind + ' requires elevated privileges');
process.exit(1);
break;
case 'EADDRINUSE':
console.error(bind + ' is already in use');
process.exit(1);
break;
default:
throw error;
}
}
/**
* Event listener for HTTP server "listening" event.
*/
function onListening() {
var addr = server.address();
var bind = typeof addr === 'string'
? 'pipe ' + addr
: 'port ' + addr.port;
debug('Listening on ' + bind);
}

4434
Backend/package-lock.json generated
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35
Backend/package.json
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@ -1,16 +1,31 @@
{
"name": "backend",
"version": "0.0.0",
"private": true,
"name": "Backend",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"start": "node ./bin/www"
"start": "node dist/index",
"webpack": "webpack --config webpack.config.ts"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"cookie-parser": "~1.4.4",
"debug": "~2.6.9",
"express": "~4.16.1",
"http-errors": "~1.6.3",
"morgan": "~1.9.1",
"pug": "2.0.0-beta11"
"cors": "^2.8.5",
"dotenv": "^8.2.0",
"express": "^4.17.1",
"helmet": "^4.2.0"
},
"devDependencies": {
"@types/cors": "^2.8.8",
"@types/dotenv": "^8.2.0",
"@types/express": "^4.17.9",
"@types/helmet": "^4.0.0",
"@types/node": "^14.14.9",
"ts-loader": "^6.2.2",
"typescript": "^4.1.2",
"webpack": "^4.44.2",
"webpack-cli": "^3.3.12",
"webpack-node-externals": "^1.7.2"
}
}

8
Backend/public/stylesheets/style.css
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@ -1,8 +0,0 @@
body {
padding: 50px;
font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}
a {
color: #00B7FF;
}

11
Backend/routes/index.js
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@ -1,11 +0,0 @@
var express = require('express');
var router = express.Router();
/* GET home page. */
router.get('/', function (req, res, next) {
res.render('index', {
title: 'Express'
});
});
module.exports = router;

9
Backend/routes/users.js
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@ -1,9 +0,0 @@
var express = require('express');
var router = express.Router();
/* GET users listing. */
router.get('/', function (req, res, next) {
res.send('respond with a resource');
});
module.exports = router;

68
Backend/src/index.ts Normal file
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@ -0,0 +1,68 @@
/**
* Required External Modules
*/
import * as dotenv from "dotenv";
import express from "express";
import cors from "cors";
import helmet from "helmet";
dotenv.config();
/**
* App Variables
*/
if (!process.env.PORT) {
process.exit(1);
}
const PORT: number = parseInt(process.env.PORT as string, 10);
const app = express();
/**
* App Configuration
*/
app.use(helmet());
app.use(cors());
app.use(express.json());
/**
* Server Activation
*/
const server = app.listen(PORT, () => {
console.log(`Listening on port ${PORT}`);
});
/**
* Webpack HMR Activation
*/
type ModuleId = string | number;
interface WebpackHotModule {
hot?: {
data: any;
accept(
dependencies: string[],
callback?: (updatedDependencies: ModuleId[]) => void,
): void;
accept(dependency: string, callback?: () => void): void;
accept(errHandler?: (err: Error) => void): void;
dispose(callback: (data: any) => void): void;
};
}
declare const module: WebpackHotModule;
if (module.hot) {
module.hot.accept();
module.hot.dispose(() => server.close());
}

70
Backend/tsconfig.json Normal file
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@ -0,0 +1,70 @@
{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig.json to read more about this file */
/* Basic Options */
// "incremental": true, /* Enable incremental compilation */
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation. */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
// "declaration": true, /* Generates corresponding '.d.ts' file. */
// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
// "sourceMap": true, /* Generates corresponding '.map' file. */
// "outFile": "./", /* Concatenate and emit output to single file. */
// "outDir": "./", /* Redirect output structure to the directory. */
// "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
// "composite": true, /* Enable project compilation */
// "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */
// "removeComments": true, /* Do not emit comments to output. */
// "noEmit": true, /* Do not emit outputs. */
// "importHelpers": true, /* Import emit helpers from 'tslib'. */
// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
/* Strict Type-Checking Options */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* Enable strict null checks. */
// "strictFunctionTypes": true, /* Enable strict checking of function types. */
// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
/* Additional Checks */
// "noUnusedLocals": true, /* Report errors on unused locals. */
// "noUnusedParameters": true, /* Report errors on unused parameters. */
// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
// "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */
/* Module Resolution Options */
// "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
// "typeRoots": [], /* List of folders to include type definitions from. */
// "types": [], /* Type declaration files to be included in compilation. */
// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
"esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
/* Source Map Options */
// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
/* Experimental Options */
// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
/* Advanced Options */
"skipLibCheck": true, /* Skip type checking of declaration files. */
"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
}
}

6
Backend/views/error.pug
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@ -1,6 +0,0 @@
extends layout
block content
h1= message
h2= error.status
pre #{error.stack}

6
Backend/views/index.pug
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@ -1,6 +0,0 @@
extends layout
block content
h1= title
p Welcome to #{title}, young Padawan! Glad you're here!
p Hello There! <br> - General Kenobi!

7
Backend/views/layout.pug
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@ -1,7 +0,0 @@
doctype html
html
head
title= title
link(rel='stylesheet', href='/stylesheets/style.css')
body
block content

32
Backend/webpack.config.ts Normal file
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@ -0,0 +1,32 @@
const webpack = require("webpack");
const path = require("path");
const nodeExternals = require("webpack-node-externals");
module.exports = {
entry: ["webpack/hot/poll?100", "./src/index.ts"],
watch: true,
target: "node",
externals: [
nodeExternals({
whitelist: ["webpack/hot/poll?100"]
})
],
module: {
rules: [
{
test: /.tsx?$/,
use: "ts-loader",
exclude: /node_modules/
}
]
},
mode: "development",
resolve: {
extensions: [".tsx", ".ts", ".js"]
},
plugins: [new webpack.HotModuleReplacementPlugin()],
output: {
path: path.join(__dirname, "dist"),
filename: "index.js"
}
};