npm-tarball

Download tarball of npm registry with stream/promise api

Installation

npm install npm-tarball --save

API

• resolveUri(packageName, semver) -> Promise<uri>

import {resolveUri} from 'npm-tarball'

resolveUri('jquery').then(uri => console.log(uri))
// https://registry.npmjs.org/jquery/-/jquery-2.2.4.tgz

resolveUri('jquery', 1).then(uri => console.log(uri))
// https://registry.npmjs.org/jquery/-/jquery-1.12.4.tgz

resolveUri('jquery', '~2.1').then(uri => console.log(uri))
// https://registry.npmjs.org/jquery/-/jquery-2.1.4.tgz

• fetch(packageName, semver) -> Promise<tarballBuffer>

import {fetch} from 'npm-tarball'
import {writeFileSync} from 'fs'

fetch('jquery').then(buffer => writeFileSync('jquery-latest.tgz', buffer))
fetch('jquery', 1).then(buffer => writeFileSync('jquery-v1.tgz', buffer))
fetch('jquery', '~2.1').then(buffer => writeFileSync('jquery-v2.1.tgz', buffer))

• new NpmTarball(packageName, semver) -> tarballReadableStream
• createReadStream(packageName, semver) -> tarballReadableStream

import {createReadStream} from 'npm-tarball'
import {createWriteStream} from 'fs'

createReadStream('jquery').pipe(createWriteStream('jquery-latest.tgz'))
createReadStream('jquery', 1).pipe(createWriteStream('jquery-v1.tgz'))
createReadStream('jquery', '~2.1').pipe(createWriteStream('jquery-v2.1.tgz'))

Related project

• npm-tarball.antle.red - npm tarball redirect server

Development

Requirement global

• NodeJS v5.11.1
• Npm v3.8.6 (or pnpm)

git clone https://github.com/59naga/npm-tarball
cd npm-tarball
npm install

npm test
npm run lint

License

MIT