fix(no-multi-asterisks): avoid false positives and erring in fixer …

…of single line blocks; fixes gajus#735
brettz9 · May 15, 2021 · 355da58 · 355da58
1 parent 8848246
commit 355da58
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Showing 3 changed files with 98 additions and 5 deletions.
diff --git a/README.md b/README.md
@@ -8193,6 +8193,15 @@ The following patterns are considered problems:
  **/
 // "jsdoc/no-multi-asterisks": ["error"|"warn", {"preventAtMiddleLines":false}]
 // Message: Should be no multiple asterisks on end lines.
+
+/** Desc. **/
+// Message: Should be no multiple asterisks on end lines.
+
+/** @someTag name desc. **/
+// Message: Should be no multiple asterisks on end lines.
+
+/** abc * */
+// Message: Should be no multiple asterisks on end lines.
 ````
 
 The following patterns are not considered problems:
@@ -8245,6 +8254,21 @@ The following patterns are not considered problems:
  * @tag {SomeType} and a tag with details
  *
  */
+
+/** abc */
+function foo() {
+    //
+}
+
+/** foo */
+function foo(): void {
+    //
+}
+
+/** @aTag abc */
+function foo() {
+    //
+}
 ````
 
 

diff --git a/src/rules/noMultiAsterisks.js b/src/rules/noMultiAsterisks.js
@@ -1,7 +1,6 @@
 import iterateJsdoc from '../iterateJsdoc';
 
 const middleAsterisks = /^[* \t]+/u;
-const endAsterisks = /((?:\*|(?: |\t))*)\*$/u;
 
 export default iterateJsdoc(({
   context,
@@ -39,20 +38,29 @@ export default iterateJsdoc(({
     if (!preventAtEnd || !end) {
       return false;
     }
-    const endingAsterisksAndSpaces = (description + delimiter).match(
+
+    const isSingleLineBlock = delimiter === '/**';
+    const delim = isSingleLineBlock ? '*' : delimiter;
+    const endAsterisks = isSingleLineBlock ?
+      /\*((?:\*|(?: |\t))*)\*$/u :
+      /((?:\*|(?: |\t))*)\*$/u;
+
+    const endingAsterisksAndSpaces = (description + delim).match(
       endAsterisks,
     );
 
     if (
       !endingAsterisksAndSpaces ||
-      endingAsterisksAndSpaces[1] && !endingAsterisksAndSpaces[1].trim()
+      !isSingleLineBlock && endingAsterisksAndSpaces[1] && !endingAsterisksAndSpaces[1].trim()
     ) {
       return false;
     }
 
     const endFix = () => {
-      tokens.delimiter = '';
-      tokens.description = (description + delimiter).replace(endAsterisks, '');
+      if (!isSingleLineBlock) {
+        tokens.delimiter = '';
+      }
+      tokens.description = (description + delim).replace(endAsterisks, '');
     };
 
     utils.reportJSDoc(

diff --git a/test/rules/assertions/noMultiAsterisks.js b/test/rules/assertions/noMultiAsterisks.js
@@ -179,6 +179,42 @@ export default {
        */
       `,
     },
+    {
+      code: `
+      /** Desc. **/
+      `,
+      errors: [{
+        line: 2,
+        message: 'Should be no multiple asterisks on end lines.',
+      }],
+      output: `
+      /** Desc. */
+      `,
+    },
+    {
+      code: `
+      /** @someTag name desc. **/
+      `,
+      errors: [{
+        line: 2,
+        message: 'Should be no multiple asterisks on end lines.',
+      }],
+      output: `
+      /** @someTag name desc. */
+      `,
+    },
+    {
+      code: `
+      /** abc * */
+      `,
+      errors: [{
+        line: 2,
+        message: 'Should be no multiple asterisks on end lines.',
+      }],
+      output: `
+      /** abc */
+      `,
+    },
   ],
   valid: [
     {
@@ -260,5 +296,30 @@ export default {
        */
       `,
     },
+    {
+      code: `
+      /** abc */
+      function foo() {
+          //
+      }
+      `,
+    },
+    {
+      code: `
+      /** foo */
+      function foo(): void {
+          //
+      }
+      `,
+      parser: require.resolve('@typescript-eslint/parser'),
+    },
+    {
+      code: `
+      /** @aTag abc */
+      function foo() {
+          //
+      }
+      `,
+    },
   ],
 };