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advocate

v2.2.0

Published

Check licenses of installed dependencies and their transitive dependencies and compare them to a give whitelist.

Downloads

38

Readme

Advocate

Greenkeeper badge npm Build Status Coverage Status Dependency Status devDependency Status License MIT

Your advocate doesn't let you down. He analyzes the licenses of all installed npm modules of your project and their transitive dependencies and compares them to a given whitelist.

This package works with yarn.

Installation

npm install advocate --save-dev

Usage

Advocate can be used as part of your project's automated tests. That way, you ensure to only use modules with whitelisted licenses.

advocate({licenses: ['MIT']})
    .then(function(moduleInformation) {
        for (module of moduleInformation.violatingModules) {
            console.log(`
                I advise you to not use ${module.name}@${module.version}
                because of the license ${module.license}.
            `);
        }
    });

Output:

I advise you to not use [email protected]
because of the license CC-BY-3.0.

API

advocate(whitelist?: Whitelist, options?: Options): Promise<ModuleInformation>

Determines modules whose license descriptions do not satisfy the given whitelist. In order to determine the license of a module, advocate respects the package.json but also tries to guess the license using text files such as README or LICENSE.

type ModuleInformation

{
    allModules: Array<Module>
    violatingModules: Array<Module>
}

type Module

Example:

{
  "[email protected]": {
    "name": "module1",
    "version": "1.0.0",
    "license": "MIT"
  }
}

type Whitelist

{
    licenses: Array<LicenseString>,
    licenseExceptions: Array<LicenseException>,
    modules: Array<WhitelistedModule>
}

type WhitelistedModule

{
    name: string
    license: LicenseString
    version: string
}

type LicenseString

Either a SPDX expression or a simple license identifier

type LicenseException

string

type Options

{
    path?: string // default: cwd
    dev?: boolean, // default: false
}

path

Specifies the directory of the npm module whose dependencies will be analyzed by advocate.

Defaults to the current working directory.

dev

Specifies whether to analyze production or development dependencies.

A value of false means advocate only respects your production dependencies and their transitive ones.

A value of true means advocate will only respect your devDependencies and their transitive production dependencies. advocate will never respect transitive devDependencies.

Defaults to false.