Treat empty block as a newline character

src/ArticleParser.php

@@ -7,6 +7,7 @@ namespace LogseqGem;
 use League\CommonMark\Node\Inline\Text;
 use League\CommonMark\Extension\CommonMark\Node\Inline\Link;
 use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock;
+use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
 
 class ArticleParser extends Parser {
     private ?array $properties;
@@ -17,14 +18,22 @@ class ArticleParser extends Parser {
 
         $in_frontmatter = true;
 
-        // we only update this for significant nodes
+        $node = null; //current node
-        $previous_node = null;
+        $last_node = null; //updated every time
+        $previous_node = null; // we only update this for significant nodes
 
         $walker = $this->document->walker();
         while ($event = $walker->next()) {
             $entering = $event->isEntering();
+            $last_node = $node;
             $node = $event->getNode();
 
+            // treat empty node as a newline
+            if ($node instanceof ListItem && $last_node === $node && !$entering) {
+                $gemtext[] = '';
+                continue;
+            }
+
             if (!$entering) {
                 continue;
             }

tests/ArticleParserTest.php

@@ -89,4 +89,10 @@ class ArticleParserTest extends TestCase {
         $this->parser->convert();
         $this->assertTrue($this->parser->isPublished());
     }
+
+    public function testNewlineBetweenLinks() {
+        $this->setArticleText("\n- [foo](bar)\n-\n- [bar](foo)");
+        $this->parser->load(vfsStream::url('root/article.md'));
+        $this->assertSame("=> bar foo\n\n=> foo bar", $this->parser->convert());
+    }
 }