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Name	Size	Permission	Action
index.js	1.88 KB	-rw-r--r--
package.json	748 B	-rw-r--r--

Code Editor : index.js

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;
}

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
    };
  }
};

${this.title}

Code Editor : index.js