validate SPDX license expressions
Package: spdx-expression-validate
Created by: kemitchell
Last modified: Sun, 26 Jun 2022 22:40:38 GMT
Version: 2.0.0
License: (MIT AND CC-BY-3.0)
Downloads: 775,818
Repository: https://github.com/kemitchell/spdx-expression-validate.js
Install
npm install spdx-expression-validate
yarn add spdx-expression-validate
var assert = require('assert')
var valid = require('spdx-expression-validate')
Simple License Expressions
assert(!valid('Invalid-Identifier'))
assert(valid('GPL-2.0'))
assert(valid('GPL-2.0+'))
assert(valid('LicenseRef-23'))
assert(valid('LicenseRef-MIT-Style-1'))
assert(valid('DocumentRef-spdx-tool-1.2:LicenseRef-MIT-Style-2'))
Composite License Expressions
Disjunctive OR Operator
assert(valid('(LGPL-2.1 OR MIT)'))
assert(valid('(LGPL-2.1 OR MIT OR BSD-3-Clause)'))
Conjunctive AND Operator
assert(valid('(LGPL-2.1 AND MIT)'))
assert(valid('(LGPL-2.1 AND MIT AND BSD-2-Clause)'))
Exception WITH Operator
assert(valid('(GPL-2.0+ WITH Bison-exception-2.2)'))
Strict Whitespace Rules
assert(!valid('MIT '))
assert(!valid(' MIT'))
assert(!valid('MIT AND BSD-3-Clause'))
The Software Package Data Exchange (SPDX) specification is the work of the Linux Foundation and its contributors, and is licensed under the terms of the Creative Commons Attribution License 3.0 Unported (SPDX: "CC-BY-3.0"). "SPDX" is a United States federally registered trademark of the Linux Foundation.
