Auto merge of #4257 - Turbo87:complex-license-rendering, r=locks

utils/license: Add support for parentheses

<img width="317" alt="Bildschirmfoto 2021-12-12 um 18 29 16" src="https://user-images.githubusercontent.com/141300/145722892-c331d94c-d22e-4fcb-a541-7a433724138f.png">

related to #2595

Author: bors

app/utils/license.js

@@ -41,14 +41,17 @@ const CAL_LICENSES = [
   'zlib',
 ];
 
-const LICENSE_KEYWORDS = new Set(['OR', 'AND', 'WITH']);
+const LICENSE_KEYWORDS = new Set(['OR', 'AND', 'WITH', '(', ')']);
 
 export function parseLicense(text) {
   return text
     .trim()
     .replace('/', ' OR ')
+    .replace(/(^\(| \()/, ' ( ')
+    .replace(/(\)$|\) )/, ' ) ')
     .replace(/ +/g, ' ')
     .split(' ')
+    .filter(Boolean)
     .map(text => {
       let lowerCaseText = text.toLowerCase();
 

tests/utils/license-test.js

@@ -55,6 +55,18 @@ module('parseLicense()', function () {
         { isKeyword: false, link: undefined, text: 'B' },
       ],
     ],
+    [
+      '(Apache-2.0 OR MIT) AND BSD-3-Clause',
+      [
+        { isKeyword: true, link: undefined, text: '(' },
+        { isKeyword: false, link: 'https://choosealicense.com/licenses/apache-2.0', text: 'Apache-2.0' },
+        { isKeyword: true, link: undefined, text: 'OR' },
+        { isKeyword: false, link: 'https://choosealicense.com/licenses/mit', text: 'MIT' },
+        { isKeyword: true, link: undefined, text: ')' },
+        { isKeyword: true, link: undefined, text: 'AND' },
+        { isKeyword: false, link: 'https://choosealicense.com/licenses/bsd-3-clause', text: 'BSD-3-Clause' },
+      ],
+    ],
   ];
 
   for (let [input, expectation] of TESTS) {