pmayur

Install package from the github repository

Installs directly from the latest version of the repository upto the latest commit

npm i <package-name>/<repo-name>

npm i express/express

pmayur

Understanding calling of this in Javascript

Consider the following function

function Person(name) {
	this.name = name;
	return this;

pmayur

Javascript V8 Engine

Session Stack - Alexander Zlatkov Medium Blog

• Compilers in V8
• Hidden Classes
• Inline Caching
• Compilation process
• Garbage Collection
• Optimization

pmayur

GIT COMMANDS

$ git reset --hard HEAD

move to head

$ git reset --hard <branch-name>

move to branch

pmayur

Converting JS to TS

• Perform tsc --init in the repo for initiating a tsconfig.json file
• Edit tsconfig.json config as per required
• Use the following scripts to convert js files to ts one by one

find app/src -name "*.js" -exec sh -c 'mv "$0" "${0%.js}.ts"' {} \;

• Use the following script to add // @ts-nocheck comment on top of all ts files to avoid immediate ts errors or don't convert them to ts

pmayur

// 1. Open the browser developper console on the network tab
// 2. Start the video
// 3. In the dev tab, locate the load of the "master.json" file, copy its full URL
// 4. Run: node vimeo-downloader.js "<URL>"
// 5. Combine the m4v and m4a files with mkvmerge

const fs = require('fs');
const url = require('url');
const https = require('https');