Allow GCC templates in no-undefined-types

Author: l1bbcsg

src/iterateJsdoc.js

@@ -189,20 +189,23 @@ const curryUtils = (
     return false;
   };
 
-  utils.classHasTag = (tagName) => {
+  utils.getClassJsdoc = () => {
     const classNode = utils.getClassNode();
     const classJsdocNode = getJSDocComment(sourceCode, classNode);
 
     if (classJsdocNode) {
       const indent = _.repeat(' ', classJsdocNode.loc.start.column);
-      const classJsdoc = parseComment(classJsdocNode, indent);
 
-      if (jsdocUtils.hasTag(classJsdoc, tagName)) {
-        return true;
-      }
+      return parseComment(classJsdocNode, indent);
     }
 
-    return false;
+    return null;
+  };
+
+  utils.classHasTag = (tagName) => {
+    const classJsdoc = utils.getClassJsdoc();
+
+    return classJsdoc && jsdocUtils.hasTag(classJsdoc, tagName);
   };
 
   utils.forEachTag = (tagName, arrayHandler) => {

src/rules/noUndefinedTypes.js

@@ -67,6 +67,18 @@ export default iterateJsdoc(({
     })
     .value();
 
+  let closureGenericTypes = [];
+  const classJsdoc = utils.getClassJsdoc();
+  if (classJsdoc && classJsdoc.tags) {
+    closureGenericTypes = classJsdoc.tags
+      .filter((tag) => {
+        return tag.tag === 'template';
+      })
+      .map((tag) => {
+        return tag.name;
+      });
+  }
+
   const allDefinedTypes = globalScope.variables.map((variable) => {
     return variable.name;
   })
@@ -89,7 +101,8 @@ export default iterateJsdoc(({
     .concat(extraTypes)
     .concat(typedefDeclarations)
     .concat(definedTypes)
-    .concat(definedPreferredTypes);
+    .concat(definedPreferredTypes)
+    .concat(closureGenericTypes);
 
   const jsdocTags = utils.filterTags((tag) => {
     return utils.isTagWithType(tag.tag);

test/rules/assertions/noUndefinedTypes.js

@@ -393,6 +393,20 @@ export default {
           }
         }
       }
+    },
+    {
+      code: `
+      /**
+       * @template TEMPLATE_TYPE
+       */
+      class Foo {
+        /**
+         * @return {TEMPLATE_TYPE}
+         */
+        bar () {
+        }
+      }
+      `
     }
   ]
 };