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this package has been deprecated - please use 'license-checker-rseidelsohn' instead!

license-checker-dkbcodefactory

NPM License Checker

This is a fork of davglass' license-checker v.25.0.1 - I simply added a new option --relativeModulePath for stripping the local absolute path portions from modules (--relativeLicensePath already does this for the license file paths). Since that module doesn't seem to be updated regularly, I created this module for use in our workplace. A pull request has also been created for bringing that new option into the original module (see https://github.com/davglass/license-checker/pull/223). Also, I upgraded several node modules for this fork that are not upgraded in the original module. The latter is not part of my pull request.

As of v26.0.0 the exclude argument has been changed into excludeLicenses in order to prevent confusion and better align it with the excludePackages argument. Also, the argument includeLicenses has been added for listing only packages that include the licenses listed.

As of v17.0.0 the failOn and onlyAllow arguments take semicolons as delimeters instead of commas. Some license names contain commas and it messed with the parsing.

Ever needed to see all the license info for a module and its dependencies?

It's this easy:

npm install -g license-checker-dkbcodefactory
 
mkdir foo
cd foo
npm install yui-lint
license-checker-dkbcodefactory

You should see something like this:

├─ cli@0.4.3
│  ├─ repository: http://github.com/chriso/cli
│  └─ licenses: MIT
├─ glob@3.1.14
│  ├─ repository: https://github.com/isaacs/node-glob
│  └─ licenses: UNKNOWN
├─ graceful-fs@1.1.14
│  ├─ repository: https://github.com/isaacs/node-graceful-fs
│  └─ licenses: UNKNOWN
├─ inherits@1.0.0
│  ├─ repository: https://github.com/isaacs/inherits
│  └─ licenses: UNKNOWN
├─ jshint@0.9.1
│  └─ licenses: MIT
├─ lru-cache@1.0.6
│  ├─ repository: https://github.com/isaacs/node-lru-cache
│  └─ licenses: MIT
├─ lru-cache@2.0.4
│  ├─ repository: https://github.com/isaacs/node-lru-cache
│  └─ licenses: MIT
├─ minimatch@0.0.5
│  ├─ repository: https://github.com/isaacs/minimatch
│  └─ licenses: MIT
├─ minimatch@0.2.9
│  ├─ repository: https://github.com/isaacs/minimatch
│  └─ licenses: MIT
├─ sigmund@1.0.0
│  ├─ repository: https://github.com/isaacs/sigmund
│  └─ licenses: UNKNOWN
└─ yui-lint@0.1.1
   ├─ licenses: BSD
      └─ repository: http://github.com/yui/yui-lint

An asterisk next to a license name means that it was deduced from an other file than package.json (README, LICENSE, COPYING, ...) You could see something like this:

└─ debug@2.0.0
   ├─ repository: https://github.com/visionmedia/debug
   └─ licenses: MIT*

Options

• --production only show production dependencies.
• --development only show development dependencies.
• --start [filepath] path of the initial json to look for
• --unknown report guessed licenses as unknown licenses.
• --onlyunknown only list packages with unknown or guessed licenses.
• --markdown output in markdown format.
• --json output in json format.
• --csv output in csv format.
• --csvComponentPrefix prefix column for component in csv format.
• --out [filepath] write the data to a specific file.
• --files [path] copy all license files to path and rename them to [e-mail].
• --customPath to add a custom Format file in JSON
• --excludeLicenses [list] exclude modules which licenses are in the comma-separated list from the output
• --includeLicenses [list] include only modules which licenses are in the comma-separated list from the output
• --relativeLicensePath output the location of the license files as relative paths
• --relativeModulePath output the location of the module files as relative paths
• --summary output a summary of the license usage',
• --failOn [list] fail (exit with code 1) on the first occurrence of the licenses of the semicolon-separated list
• --onlyAllow [list] fail (exit with code 1) on the first occurrence of the licenses not in the semicolon-seperated list
• --includePackages [list] restrict output to the packages (either "package@fullversion" or "package@majorversion" or only "package") in the semicolon-seperated list
• --excludePackages [list] restrict output to the packages (either "package@fullversion" or "package@majorversion" or only "package") not in the semicolon-seperated list
• --excludePrivatePackages restrict output to not include any package marked as private
• --direct look for direct dependencies only

Exclusions

A list of licenses is the simplest way to describe what you want to exclude.

You can use valid SPDX identifiers. You can use valid SPDX expressions like MIT OR X11. You can use non-valid SPDX identifiers, like Public Domain, since npm does support some license strings that are not SPDX identifiers.

Examples

license-checker-dkbcodefactory --json > /path/to/licenses.json
license-checker-dkbcodefactory --csv --out /path/to/licenses.csv
license-checker-dkbcodefactory --unknown
license-checker-dkbcodefactory --customPath customFormatExample.json
license-checker-dkbcodefactory --excludeModules 'MIT, MIT OR X11, BSD, ISC'
license-checker-dkbcodefactory --includePackages 'react@16.3.0;react-dom@16.3.0;lodash@4.3.1'
license-checker-dkbcodefactory --excludePackages 'internal-1;internal-2'
license-checker-dkbcodefactory --onlyunknown

Custom format

The --customPath option can be used with CSV to specify the columns. Note that the first column, module_name, will always be used.

When used with JSON format, it will add the specified items to the usual ones.

The available items are the following:

• name
• version
• description
• repository
• publisher
• email
• url
• licenses
• licenseFile
• licenseText
• licenseModified

You can also give default values for each item. See an example in customFormatExample.json.

Requiring

var checker = require('license-checker');
 
checker.init(
  {
    start: '/path/to/start/looking',
  },
  function(err, packages) {
    if (err) {
      //Handle error
    } else {
      //The sorted package data
      //as an Object
    }
  }
);

Debugging

license-checker uses debug for internal logging. There’s two internal markers:

• license-checker-dkbcodefactory:error for errors
• license-checker-dkbcodefactory:log for non-errors

Set the DEBUG environment variable to one of these to see debug output:

$ export DEBUG=license-checker-dkbcodefactory*; license-checker-dkbcodefactory
scanning ./yui-lint
├─ cli@0.4.3
│  ├─ repository: http://github.com/chriso/cli
│  └─ licenses: MIT
# ... 

How Licenses are Found

We walk through the node_modules directory with the read-installed module. Once we gathered a list of modules we walk through them and look at all of their package.json's, We try to identify the license with the spdx module to see if it has a valid SPDX license attached. If that fails, we then look into the module for the following files: LICENSE, LICENCE, COPYING, & README.

If one of the those files are found (in that order) we will attempt to parse the license data from it with a list of known license texts. This will be shown with the * next to the name of the license to show that we "guessed" at it.