README
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
OR
Operator
Disjunctive assert(valid('(LGPL-2.1 OR MIT)'))
assert(valid('(LGPL-2.1 OR MIT OR BSD-3-Clause)'))
AND
Operator
Conjunctive assert(valid('(LGPL-2.1 AND MIT)'))
assert(valid('(LGPL-2.1 AND MIT AND BSD-2-Clause)'))
WITH
Operator
Exception 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.