fix(tokenizer): fix setext continuation in blockquote

markedjs/marked#3257
wallpants · May 11, 2024 · dec9af2 · dec9af2
1 parent ef62267
commit dec9af2
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/rules/block.ts b/src/rules/block.ts
@@ -106,7 +106,7 @@ const block_paragraph = edit(
 )
     .replace("hr", block_hr)
     .replace("heading", " {0,3}#{1,6}(?:\\s|$)")
-    .replace("|lheading", "") // setex headings don't interrupt commonmark paragraphs
+    .replace("|lheading", "") // setext headings don't interrupt commonmark paragraphs
     .replace("table", block_table) // interrupt paragraphs with table
     .replace("blockquote", " {0,3}>")
     .replace("fences", " {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n")

diff --git a/src/tokenizer.ts b/src/tokenizer.ts
@@ -105,7 +105,9 @@ export class Tokenizer {
         const cap = block.blockquote.exec(src);
         if (!cap) return undefined;
 
-        let text = rtrim(cap[0].replace(/^ *>[ \t]?/gm, ""), "\n");
+        // precede setext continuation with 4 spaces so it isn't a setext
+        let text = cap[0].replace(/\n {0,3}((?:=+|-+) *)(?=\n|$)/g, "\n    $1");
+        text = rtrim(text.replace(/^ *>[ \t]?/gm, ""), "\n");
         const top = this.lexer.state.top;
         this.lexer.state.top = true;
         const tokens = this.lexer.blockTokens(text, []);