fix: avoid errors when tags not present or invalidTypes is empty

Author: brettz9

src/iterateJsdoc.js

@@ -212,7 +212,7 @@ const curryUtils = (
   };
 
   utils.forEachTag = (tagName, arrayHandler) => {
-    const matchingJsdocTags = _.filter(jsdoc.tags, {
+    const matchingJsdocTags = _.filter(jsdoc.tags || [], {
       tag: tagName
     });
 

src/rules/checkTagNames.js

@@ -7,6 +7,9 @@ export default iterateJsdoc(({
   utils,
   jsdocNode
 }) => {
+  if (!jsdoc.tags) {
+    return;
+  }
   jsdoc.tags.forEach((jsdocTag) => {
     if (utils.isValidTag(jsdocTag.tag)) {
       const preferredTagName = utils.getPreferredTagName(jsdocTag.tag);

src/rules/checkTypes.js

@@ -106,7 +106,7 @@ export default iterateJsdoc(({
       }
     });
 
-    if (invalidTypes) {
+    if (invalidTypes.length) {
       const fixedType = publish(typeAst);
 
       const tagName = jsdocTag.tag;

src/rules/noTypes.js

@@ -1,10 +1,10 @@
 import iterateJsdoc from '../iterateJsdoc';
 
 export default iterateJsdoc(({
-  jsdoc,
+  utils,
   report
 }) => {
-  const tags = jsdoc.tags.filter((tag) => {
+  const tags = utils.filterTags((tag) => {
     return ['param', 'arg', 'argument', 'returns', 'return'].includes(tag.tag);
   });
   tags.forEach((tag) => {

src/rules/validTypes.js

@@ -8,6 +8,9 @@ export default iterateJsdoc(({
   report,
   utils
 }) => {
+  if (!jsdoc.tags) {
+    return;
+  }
   jsdoc.tags.forEach((tag) => {
     const validTypeParsing = function (type) {
       try {