@zeit/ncc

Simple CLI for compiling a Node.js module into a single file, together with all its dependencies, gcc-style.

@zeit/ncc is no longer maintained. Please use @vercel/ncc instead.

Last updated 6 years ago by rauchg .

MIT · Original npm · Tarball · package.json

$ npm install @zeit/ncc

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ncc

Simple CLI for compiling a Node.js module into a single file, together with all its dependencies, gcc-style.

Motivation

Publish minimal packages to npm
Only ship relevant app code to serverless environments
Don't waste time configuring bundlers
Generally faster bootup time and less I/O overhead
Compiled language-like experience (e.g.: go)

Design goals

Zero configuration
Only support Node.js (soon, optionally with TypeScript) codebases
Make it work as well as possible with the entire Node.js / npm ecosystem

Usage

CLI

$ ncc build input.js -o dist

Outputs the build of input.js into dist/index.js.

Node.js

require('@zeit/ncc')('/path/to/input', {
  minify: true  // default
}).then(code => {
  console.log(code)
})

Known issues

[ ] Minification is creating problems
[ ] Native modules are not supported

Caveats

Files / assets are relocated based on a static evaluator. Dynamic non-statically analyzable asset loads may not work out.
Dynamic requires are inlined only so far as they are statically analyzable. There may be ways to improve this as discussed in https://github.com/zeit/ncc/issues/41.

Current Tags

0.19.0-beta.1 ... beta (5 years ago)
0.1.14 ... canary (6 years ago)
0.22.3 ... latest (4 years ago)

77 Versions

Maintainers (19)

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