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package-json

Get metadata of a package from the npm registry

package-json Build Status

Get metadata of a package from the npm registry

Install

$ npm install --save package-json

Usage

const packageJson = require('package-json');

packageJson('ava').then(json => {
    console.log(json);
    //=> {name: 'ava', ...}
});

// Also works with scoped packages
packageJson([email protected]/df').then(json => {
    console.log(json);
    //=> {name: [email protected]/df', ...}
});

API

packageJson(name, [options])

name

Type: string

Name of the package.

options

Type: Object

version

Type: string
Default: latest

Package version such as 1.0.0 or a dist tag such as latest.

The version can also be in any format supported by the semver module. For example:

  • 1 - get the latest 1.x.x
  • 1.2 - get the latest 1.2.x
  • ^1.2.3 - get the latest 1.x.x but at least 1.2.3
  • ~1.2.3 - get the latest 1.2.x but at least 1.2.3
fullMetadata

Type: boolean
Default: false

By default, only an abbreviated metadata object is returned for performance reasons. Read more.

allVersions

Type: boolean
Default: false

Return the main entry containing all versions.

Authentication

Both public and private registries are supported, for both scoped and unscoped packages, as long as the registry uses either bearer tokens or basic authentication.

License

MIT © Sindre Sorhus

Pincer is a project which aims to provide best library discovery tools for developers. We're growing day by day. We have only npm platform for now but we will add the others as much as we can.