fix(no-bad-blocks): exclude ESLint directives

Author: brettz9

.README/rules/no-bad-blocks.md

@@ -3,11 +3,14 @@
 {"gitdown": "contents", "rootId": "no-bad-blocks"}
 
 This rule checks for multi-line-style comments which fail to meet the
-criteria of a jsdoc block, namely that it should begin with two and only two
-asterisks, but which appear to be intended as jsdoc blocks due to the presence
+criteria of a JSDoc block, namely that it should begin with two and only two
+asterisks, but which appear to be intended as JSDoc blocks due to the presence
 of whitespace followed by whitespace or asterisks, and
 an at-sign (`@`) and some non-whitespace (as with a jsdoc block tag).
 
+Exceptions are made for ESLint directive comments (which may use `@` in
+rule names).
+
 ## Fixer
 
 (TODO)

docs/rules/no-bad-blocks.md

@@ -5,11 +5,14 @@
 
 
 This rule checks for multi-line-style comments which fail to meet the
-criteria of a jsdoc block, namely that it should begin with two and only two
-asterisks, but which appear to be intended as jsdoc blocks due to the presence
+criteria of a JSDoc block, namely that it should begin with two and only two
+asterisks, but which appear to be intended as JSDoc blocks due to the presence
 of whitespace followed by whitespace or asterisks, and
 an at-sign (`@`) and some non-whitespace (as with a jsdoc block tag).
 
+Exceptions are made for ESLint directive comments (which may use `@` in
+rule names).
+
 <a name="user-content-fixer"></a>
 <a name="fixer"></a>
 ## Fixer
@@ -170,5 +173,7 @@ function quux (foo) {
 }
 
 /***/
+
+/* eslint-disable @stylistic/max-len  */
 ````
 

src/rules/noBadBlocks.js

@@ -31,6 +31,16 @@ export default iterateJsdoc(({
     allComments
   ).filter((comment) => {
     const commentText = sourceCode.getText(comment);
+
+    const initialText = commentText.replace(commentRegexp, '').trimStart();
+    if ([
+      'eslint'
+    ].some((directive) => {
+      return initialText.startsWith(directive);
+    })) {
+      return false;
+    }
+
     let sliceIndex = 2;
     if (!commentRegexp.test(commentText)) {
       const multiline = extraAsteriskCommentRegexp.exec(commentText)?.[0];

test/rules/assertions/noBadBlocks.js

@@ -250,5 +250,15 @@ export default {
     {
       code: '/***/',
     },
+    {
+      code: '/* eslint-disable @stylistic/max-len  */',
+      plugins: {
+        '@stylistic': {
+          rules: {
+            'max-len': () => {}
+          }
+        }
+      },
+    },
   ],
 };