test: fix undefined error

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
tldr-pages · Mar 1, 2024 · ef70e1a · ef70e1a
1 parent bed93ad
commit ef70e1a
Showing 1 changed file with 13 additions and 11 deletions.
diff --git a/src/lib/lib.ts b/src/lib/lib.ts
@@ -64,31 +64,33 @@ export function parseTldrPage(source: string): TldrPage {
   }
 
   const name = markdownTokens[0].text;
-  const descriptionText = markdownTokens[1].tokens[0];
+  const descriptionText = markdownTokens[1].tokens ? markdownTokens[1].tokens[0] : undefined;
 
-  if (descriptionText.type !== 'paragraph') {
+  if (!descriptionText || descriptionText.type !== 'paragraph') {
     throw new Error('Invalid tldr page provided.');
   }
 
   const descriptionTokens = descriptionText.tokens;
-  const hasMoreInfo = descriptionTokens[descriptionTokens.length - 2]?.type === 'link';
+  const hasMoreInfo = descriptionTokens && descriptionTokens[descriptionTokens.length - 2]?.type === 'link';
 
   let description = '';
   let moreInfo;
 
   if (!hasMoreInfo) {
     description = markdownTokens[1].text;
   } else {
-    for (let i = 0; i <= descriptionTokens.length - 4; i++) {
-      description += descriptionTokens[i].raw;
-    }
+    if (descriptionTokens) {
+      for (let i = 0; i <= descriptionTokens.length - 4; i++) {
+        description += descriptionTokens[i].raw;
+      }
 
-    const descriptionSeperator = descriptionTokens[descriptionTokens.length - 3].raw.split('\n');
-    description += descriptionSeperator[0];
-    moreInfo = descriptionSeperator[1];
+      const descriptionSeperator = descriptionTokens[descriptionTokens.length - 3].raw.split('\n');
+      description += descriptionSeperator[0];
+      moreInfo = descriptionSeperator[1];
 
-    for (let i = descriptionTokens.length - 2; i < descriptionTokens.length; i++) {
-      moreInfo += descriptionTokens[i].raw;
+      for (let i = descriptionTokens.length - 2; i < descriptionTokens.length; i++) {
+        moreInfo += descriptionTokens[i].raw;
+      }
     }
   }