fix(ast): Gracefully handle malformed link lines

2 files changed, 15 insertions, 1 deletions

diff --git a/src/ast/container.rs b/src/ast/container.rs
index 0d20193..bf4166c 100644
--- a/src/ast/container.rs
+++ b/src/ast/container.rs
@@ -206,7 +206,7 @@ impl Ast {
             .into_iter();
 
           nodes.push(Node::Link {
-            to:   split.next().expect("no location in link"),
+            to:   split.next().unwrap_or_default(),
             text: {
               let rest = split.collect::<Vec<String>>().join(" ");
 
diff --git a/tests/ast.rs b/tests/ast.rs
index 397f752..7a71f5c 100644
--- a/tests/ast.rs
+++ b/tests/ast.rs
@@ -84,4 +84,18 @@ mod test {
       "=> / Home"
     );
   }
+
+  #[test]
+  fn build_malformed_link_without_url() {
+    let ast = Ast::from_string("=>");
+
+    assert_eq!(ast.inner().len(), 1);
+
+    if let Node::Link { to, text } = ast.inner().first().unwrap() {
+      assert_eq!(to, "");
+      assert_eq!(text, &None);
+    } else {
+      panic!("Expected Link node");
+    }
+  }
 }