refactor: unused var. declaration; unneeded check; unused return value

Author: brettz9

src/exportParser.js

@@ -53,7 +53,6 @@ const getIdentifier = function (node, globals, scope, opts) {
 let createSymbol = null;
 const getSymbol = function (node, globals, scope, opt) {
   const opts = opt || {};
-  let block = scope;
   switch (node.type) {
   case 'Identifier': {
     return getIdentifier(node, globals, scope, opts);
@@ -64,7 +63,7 @@ const getSymbol = function (node, globals, scope, opt) {
 
     /* istanbul ignore next */
     if (obj && propertyValue && obj.props[propertyValue]) {
-      block = obj.props[propertyValue];
+      const block = obj.props[propertyValue];
 
       return block;
     }

src/rules/checkTagNames.js

@@ -54,7 +54,7 @@ export default iterateJsdoc(({
       if (!preferredTagName) {
         return;
       }
-      if (preferredTagName && typeof preferredTagName === 'object') {
+      if (typeof preferredTagName === 'object') {
         ({message, replacement: preferredTagName} = preferredTagName);
       }
 

src/rules/checkTypes.js

@@ -125,8 +125,6 @@ export default iterateJsdoc(({
       if (!ret) {
         node.name = nodeName;
       }
-
-      return ret;
     };
 
     traverse(typeAst, (node, parentName, parentNode) => {
@@ -182,7 +180,7 @@ export default iterateJsdoc(({
 
       // For fixer
       if (preferred) {
-        preferred = adjustNames(type, preferred, isGenericMatch, nodeName, node, parentNode);
+        adjustNames(type, preferred, isGenericMatch, nodeName, node, parentNode);
       }
     });