TypeScript

Installation

npm i -g typescript

Usage

tsc [file] [option]
tsc <input-file> <output-file> # Ignores tsconfig.json

Options:

• --allowJs
• -b, --build
• -h, --help
• --init (creates a tsconfig.json file)
• -m --module <commonjs|amd|umd|system|es6|es2015|es2020|es2022|esnext|node12|nodenext> (output, depends up on target)
• --moduleResolution <classic|node> (input, depends up on module)
• --noImplicitAny <boolean>
• --outDir <dir>
• --outfile <file>
• -p, --project <config-file>
• --removeComments
• --rootDir <dir>
• --strict
• -t, --target <es3|es5|es6|es2015...es2021|esnext>
• --watch

More at tsc CLI Options (typescriptlang.org).

Configuration

// tsconfig.json e.g.:
{
  "compilerOptions": {
    "module": "ES6",
    "noImplicitAny": true,
    "outDir": "dist",
    "removeComments": true,
    "strict": true,
    "target": "ES6"
  },
  "files": [
    // ...
  ]
}

More at (typescriptlang.org):

• What is a tsconfig.json.
• Intro to the TSConfig Reference.