npcheck

NPCheck

"Node Package Checker" - A tool to run various checks on npm modules

Prerequisites

• Node.js - version 16.x or greater

Install

To install globally: npm i -g npcheck

Configuration

Npcheck requires a configuration file where custom behavior can be specified. The configuration file have to be named npcheck.json in order for npcheck to pick it up.

Options

• modules: The list of specified modules that npcheck will run checks on. (type: Array)

• [module].name: The name of the npm module. (type: String)

• [module].npmLink: Module's NPM url/link (type: String)

• licenses: Config object to define custom license check behavior. (type: Object)

• licenses.allow: List that defines global allowed licenses. (type: Array)

• licenses.rules: Custom per module rules about license checks. (type: Object)

• licenses.rules[module].allow: Allowed licenses only for the specified module. (type: Array)

• licenses.rules[modules].override: List of licenses that the cli will treat as warnings (future license decisions to be made) but won't break the CI. (type: Array)

• citgm.skip[modules]: Modules to be skipped by the CITGM checker (type: Array)

• allow: Config object do define vulnerabilities that have been accessed as ok to ignore. (type: Object)

• allow[CVE]: Module and effected modules that are allowed to be ignored for CVE. (type: Array)

• 'allow[CVE][i].name`: Name of the module against which the CVE is reported. (type: String)

• 'allow[CVE][i].effects: Modules that include the module againts which the CVE is reported. (type: Array)

Example

A simple npcheck configuration file.

{
  "modules": [
    {
      "name": "express",
      "npmLink": "https://www.npmjs.com/package/express"
    }
  ],
  "licenses": {
    "allow": ["MIT", "Apache-2.0"],
    "rules": {}
  },
  "citgm": {
    "skip": ["rhea"]
  },
  "audit": {
    "allow": {
      "CVE-2022-0235": [{
        "name": "node-fetch",
        "effects": ["opencollective"]
      }]
    }
  }
}

Advanced Options

While npcheck is very opinionated about how it works there is also some extra options you can use to change it's behavior.

version

Outputs the current version of npcheck.

github-token

GitHub's OAuth token npcheck will use when contacting the GitHub API.

no-errors

Treats all errors as warnings.

help

Shows the below help.

Usage: npcheck [options]

Options:
  --help                Show help                                      [boolean]
  --version             Show version number                            [boolean]
  --github-token        Custom GitHub token provided to the API for resources
                        (env variable GITHUB_TOKEN is also an option)
                                                            [string] [default: null]
  --no-errors           Treats every error as a warning     [boolean] [default: false]