FreekMencke

export const isDefined = <T>(value: T): value is NonNullable<T> => value !== undefined && value !== null;

FreekMencke

import { HttpClient } from '@angular/common/http';
import { Directive, ElementRef, Injectable, Input, OnInit } from '@angular/core';
import { map, Observable, shareReplay } from 'rxjs';

@Injectable({
  providedIn: 'root',
})
class CacheImageService {
  imageRequests$: Map<string, Observable<string>> = new Map();
}

FreekMencke

export class ArrayUtils {
  static chunk<T>(array: T[], chunkSize: number): T[][] {
    const chunks: T[][] = [];

    let index = 0;
    while (index < array.length) {
      chunks.push(array.slice(index, index + chunkSize));
      index += chunkSize;
    }
    return chunks;

FreekMencke

import os from 'os';
import { name, version } from '../package.json';

export class InformationLogger {

  static logApplicationInformation(): void {
    console.log({
      application: {
        name,
        version,

FreekMencke

{
  "compilerOptions": {
    "target": "esnext",
    "module": "esnext",
    "moduleResolution": "node",
    "lib": ["dom", "es2018"],
    "allowSyntheticDefaultImports": true,
    "noUnusedLocals":true,
    "removeComments": true,    
    "resolveJsonModule": true,

FreekMencke

'use strict';

const NodemonPlugin = require('nodemon-webpack-plugin');

module.exports = (env = {}) => {
  const config = {
    entry: ['./src/main.ts'], // Let's change our entry file's extension to '.ts'
    mode: env.development ? 'development' : 'production',
    target: 'node',
    devtool: env.development ? 'cheap-eval-source-map' : false,  

FreekMencke

{
  "name": "node-typescript",
  "version": "0.0.1",
  "author": "Freek Mencke",
  "homepage": "https://medium.com/@freek_mencke",
  "license": "MIT",
  "scripts": {
    "start": "webpack --progress --env.development --env.nodemon",
    "start:prod": "webpack --progress --env.nodemon",
    "build": "webpack --progress --env.development",

FreekMencke

'use strict';

const NodemonPlugin = require('nodemon-webpack-plugin');

module.exports = (env = {}) => {
  const config = {
    entry: ['./src/main.js'],
    mode: env.development ? 'development' : 'production',
    target: 'node',
    devtool: env.development ? 'inline-source-map' : false,  

FreekMencke

{
  "name": "node-typescript",
  "version": "0.0.1",
  "author": "Freek Mencke",
  "homepage": "https://medium.com/@freek_mencke",
  "license": "MIT",
  "scripts": {
    "start": "webpack --progress --env.development",
    "start:prod": "webpack --progress"
  },

FreekMencke

'use strict';

module.exports = (env = {}) => {
  const config = {
    entry: ['./src/main.js'],
    mode: env.development ? 'development' : 'production',
    target: 'node',
    // devtool alternatives: 'cheap-module-eval-source-map' (faster, less details) or 'cheap-eval-source-map' (fastest, even less details)
    devtool: env.development ? 'inline-source-map' : false,
  };