Get SPDX license text.

See available license types.

setup

# install as console app
$ npm install -g extra-license

# install as node.js package
$ npm install extra-license

console

# get mit license
$ elicense

# get artistic-2.0 license
$ elicense "artistic license"

# get isc license with fullname
$ elicense isc --fullname "Jehangir Ratanji Dadabhoy Tata"

# save mit license with year, fullname
$ elicense -y 2017 -n "Megasthenes" > LICENSE

# save isc license with environment variables
$ ELICENSE=isc
$ ELICENSE_YEAR=2017
$ ELICENSE_FULLNAME=Megasthenes
$ elicense > LICENSE

# search "disclose-source" licences
$ elicense search "disclose-source"

# search "document-changes", show "conditions", "limitations"
$ elicense search "document-changes" -f "conditions,limitations"

reference

$ elicense [command] [text] [options]
# Commands:
# - get: get license text (default)
# - search: search license properties
# Text: search text (mit/isc/...)
# Options:
# -y | --year: license year
# -n | --fullname: author name
# -e | --email: author email
# -p | --project: project details
# -u | --projecturl: project url
# -f | --filter: filter properties
# Environment variables:
# ELICENSE: license type
# ELICENSE_YEAR: license year
# ELICENSE_FULLNAME: author name
# ELICENSE_EMAIL: author email
# ELICENSE_PROJECT: project details
# ELICENSE_PROJECTURL: project url
# ELICENSE_FILTER: filter properties

package

const elicense = require('extra-license');

elicense.load();
/* load corpus first */

await elicense();
// MIT License
//
// Copyright (c) [year] [fullname]
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// ...

await elicense('isc', {year: 2017, fullname: 'Megasthenes'});
// ISC License
//
// Copyright (c) 2018, Megasthenes
//
// Permission to use, copy, modify, and/or distribute this software for any
// ...

elicense.search('network-use-disclose');
// [ { id: 'agpl-3.0',
//     title: 'GNU Affero General Public License v3.0',
//     nickname: 'GNU AGPLv3',
//     description:
//      'Permissions of this strongest copyleft license are conditioned on making available complete source code of licensed works and modifications, which include larger works using a licensed work, under the same license. Copyright and license notices must be preserved. Contributors provide an express grant of patent rights. When a modified version is used to provide a service over a network, the complete source code of the modified version must be made available.',
//     permissions:
//      'commercial-use modifications distribution patent-use private-use',
//     conditions:
//      'include-copyright document-changes disclose-source network-use-disclose same-license',
//     limitations: 'liability warranty' }, ... ]

await elicense.get('isc', {year: 2017, fullname: 'Megasthenes'});
// ISC License
//
// Copyright (c) 2017, Megasthenes
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// ...

reference

const elicense = require('extra-license');

elicense.corpus
// -> Map {id => {id, title, nickname, description, permissions, conditions, limitations}}
elicense.load()
// -> true (corpus loaded)
elicense.search(text)
// -> [{properties}]
elicense.get(id, [options])
// -> license
elicense(text, [options])
// -> license

All license texts obtained from choosealicense.com.