Packages

- typescript # Type system
- ts-node # Compile and execute TS with one command
- nodemon # Watch files for changes
- concurrently # Run multiple commands in the same line
- ts-node-dev # Nodemon + ts-node in one line

tsc

# Build a .js file from the .ts file
tsc file.ts

# tsc by itself uses the "rootDir" to compile the files. tsc stands for Typescript Compiler
tsc

# Watch for changes
tsc -w

# Get help
tsc --help

ts-node

# Build and run ts files
ts-node `file.ts`
ts-node src/index.ts

concurrently

• Concurrently helps running multiple scripts at the same time

  "scripts": {
    "start:build": "tsc -w",
    "start:run": "nodemon build/index.js",
    "start": "concurrently npm:start:*"
  }

ts-node-dev

  "scripts": {
    "start": "ts-node-dev --respawn src/index.ts"
  }