ganeshkbhat

Node.js package managers cheat sheet

Yarn and npm

Overview

features	npm	yarn
lock file	package-lock.json	yarn.lock
using workspaces	supported	supported

ganeshkbhat

// after-middleware alternative - 2

const express = require('express');
const app = express();

const beforeMiddleware = function(req, res, next) {
  console.log('Before middleware triggered');
  next();
}

ganeshkbhat

//
// SPECIAL LICENSE - PROPRIETARY LICENSE AGREEMENT ONLY
//
// https://github.com/ganeshkbhat/fastprimenumbers
//

/*
PROPRIETARY LICENSE AGREEMENT ONLY
Use for your opensource projects only. If you use it or modify it for your project please spend 2 minutes of your time crediting me 
by letting me know by either sending me an email, or logging an issue with subject heading `[User]`, or `star` my project. But 

ganeshkbhat

const checkEsm = import("check-esm");
let isesm = checkEsm._isESCode("./isESCode.mjs");
console.log(isesm);

ganeshkbhat

let regex = `import
  (?:
    ["'\s]*
      ([\w*{}\n, ]+)
      from\s*
  )?
  ["'\s]*
    ([@\w/_-]+)
  ["'\s]*
;?

ganeshkbhat

/**
 * Route Template: Config
 * Path: ./expressjs.api.config.js
*/
var config = {
  "pathRoute": "/main",
  "dbConfig": { 
    "path": "mongodb://localhost:27017/test",
    "conf": {
      "useNewUrlParser": true,

ganeshkbhat

/**
 * ExpressJS Template Based Routes
 Path: ./
*/
const path = require('path');
const fs = require('fs');
var app = require("express");
var normalizedPath = require("path").join(__dirname, "routes");

async function requireFiles(d, r = false, cb = (f) => { app.use(require(path.join(f, "index.js"))); }) {

ganeshkbhat

/**
 * ExpressJS Template Based Routes
 Path: ./
*/
var app = require("express");
const mainRoute = require("./templates/main.route.template");

app.use(mainRoute);
app.all("*", function(req, res, next) {
  res.send("Hello World Route Present");

ganeshkbhat

var app = require("express");
const mainRoute = require("./main.route")

app.use(mainRoute);

app.all("*", function(req, res, next) {
  res.send("Hello World Route Present");
})

app.listen(8000, function() {

ganeshkbhat

function someMiddlewareName(req, res, next) {
  console.log("Simple middleware Template");
  next();
}

module.exports = someMiddlewareName