Sha256: bb81b15cca6d4c7fbc3cbcc0c473359bdc257f772d5a836fc189027de1acde67

Contents?: true

Size: 1.88 KB

Versions: 122

Compression:

Stored size: 1.88 KB

Contents

var parse = require('spdx-expression-parse');
var correct = require('spdx-correct');

var genericWarning = (
  'license should be ' +
  'a valid SPDX license expression (without "LicenseRef"), ' +
  '"UNLICENSED", or ' +
  '"SEE LICENSE IN <filename>"'
);

var fileReferenceRE = /^SEE LICEN[CS]E IN (.+)$/;

function startsWith(prefix, string) {
  return string.slice(0, prefix.length) === prefix;
}

function usesLicenseRef(ast) {
  if (ast.hasOwnProperty('license')) {
    var license = ast.license;
    return (
      startsWith('LicenseRef', license) ||
      startsWith('DocumentRef', license)
    );
  } else {
    return (
      usesLicenseRef(ast.left) ||
      usesLicenseRef(ast.right)
    );
  }
}

module.exports = function(argument) {
  var ast;

  try {
    ast = parse(argument);
  } catch (e) {
    var match
    if (
      argument === 'UNLICENSED' ||
      argument === 'UNLICENCED'
    ) {
      return {
        validForOldPackages: true,
        validForNewPackages: true,
        unlicensed: true
      };
    } else if (match = fileReferenceRE.exec(argument)) {
      return {
        validForOldPackages: true,
        validForNewPackages: true,
        inFile: match[1]
      };
    } else {
      var result = {
        validForOldPackages: false,
        validForNewPackages: false,
        warnings: [genericWarning]
      };
      if (argument.trim().length !== 0) {
        var corrected = correct(argument);
        if (corrected) {
          result.warnings.push(
            'license is similar to the valid expression "' + corrected + '"'
          );
        }
      }
      return result;
    }
  }

  if (usesLicenseRef(ast)) {
    return {
      validForNewPackages: false,
      validForOldPackages: false,
      spdx: true,
      warnings: [genericWarning]
    };
  } else {
    return {
      validForNewPackages: true,
      validForOldPackages: true,
      spdx: true
    };
  }
};

Version data entries

122 entries across 121 versions & 15 rubygems

Version Path
govuk_publishing_components-17.0.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.29.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.28.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.27.1 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.27.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.26.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.25.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.24.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.23.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.22.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.21.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.20.1 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.20.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.19.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.18.0 node_modules/validate-npm-package-license/index.js
govuk_publishing_components-16.17.0 node_modules/validate-npm-package-license/index.js
locomotivecms-4.0.0.alpha1 app/javascript/node_modules/validate-npm-package-license/index.js
lux_assets-0.2.11 ./node_modules/validate-npm-package-license/index.js
lux_assets-0.2.9 ./node_modules/validate-npm-package-license/index.js
lux_assets-0.2.4 ./node_modules/validate-npm-package-license/index.js