fix/gh2638

TypeStrong · Jul 13, 2024 · f26d981 · f26d981
1 parent 794d4ae
commit f26d981
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Showing 4 changed files with 14 additions and 1 deletion.
diff --git a/src/lib/converter/comments/parser.ts b/src/lib/converter/comments/parser.ts
@@ -203,7 +203,7 @@ export function parseCommentString(
     // Check for frontmatter
     let frontmatterData: Record<string, unknown> = {};
     const firstBlock = content[0];
-    if (firstBlock.text.startsWith("---\n")) {
+    if (firstBlock?.text?.startsWith("---\n")) {
         const end = firstBlock.text.indexOf("\n---\n");
         if (end !== -1) {
             const yamlText = firstBlock.text.slice("---\n".length, end);

diff --git a/src/test/converter2/issues/gh2638/empty.md b/src/test/converter2/issues/gh2638/empty.md
diff --git a/src/test/converter2/issues/gh2638/index.ts b/src/test/converter2/issues/gh2638/index.ts
@@ -0,0 +1,5 @@
+/**
+ * @module
+ * @document empty.md
+ */
+export const a = 123;
diff --git a/src/test/issues.c2.test.ts b/src/test/issues.c2.test.ts
@@ -1655,4 +1655,12 @@ describe("Issue Tests", () => {
         const sig = querySig(project, "B.constructor");
         equal(sig.parameters?.length, 1);
     });
+
+    it("#2638 empty markdown file", () => {
+        const project = convert();
+        equal(
+            project.documents?.map((d) => d.content),
+            [[]],
+        );
+    });
 });