fix: rangeless multi chars highlighting

rehype-pretty · Jan 22, 2024 · adb952c · adb952c
1 parent 7a69799
commit adb952c
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Showing 2 changed files with 17 additions and 3 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -383,10 +383,14 @@ export default function rehypePrettyCode(
               chars: string;
               charsIdAndOrRange: string;
             };
-            const [range, id] = charsIdAndOrRange.split('#');
             charsList.push(chars);
-            range && charsListNumbers.push(rangeParser(range));
-            id && charsListIdMap.set(chars, id);
+            if (charsIdAndOrRange === '') {
+              charsListNumbers.push([]);
+            } else {
+              const [range, id] = charsIdAndOrRange.split('#');
+              range && charsListNumbers.push(rangeParser(range));
+              id && charsListIdMap.set(chars, id);
+            }
           });
         }
 

diff --git a/test/fixtures/highlightedMultipleCharsRange.md b/test/fixtures/highlightedMultipleCharsRange.md
@@ -9,3 +9,13 @@ const strLen = getStringLength('str');
 
 const anotherStrLen = getStringLength('anotherStr');
 ```
+
+/getStringLength/ /str/2,3
+
+```js /getStringLength/ /str/2,3
+const getStringLength = (str) => str.length;
+
+const strLen = getStringLength('str');
+
+const anotherStrLen = getStringLength('anotherStr');
+```