From 9561de999be3e42cd216e6fec1a678c69d997cf8 Mon Sep 17 00:00:00 2001
From: SengMitnick <sengmitnick@163.com>
Date: Mon, 24 Jun 2024 16:05:24 +0800
Subject: [PATCH] feat: add support for thematic breaks/dividers in markdown
 parsing

This commit adds support for thematic breaks/dividers in the markdown parsing functionality. It introduces a new function `divider()` in the `blocks.ts` file, which creates a divider block. Additionally, the `parseNode()` function in the `internal.ts` file has been updated to handle the `thematicBreak` node type and convert it into a divider block.
---
 src/notion/blocks.ts     |  8 ++++++++
 src/parser/internal.ts   |  3 +++
 test/fixtures/divider.md |  9 +++++++++
 test/integration.spec.ts | 15 +++++++++++++++
 4 files changed, 35 insertions(+)
 create mode 100644 test/fixtures/divider.md

diff --git a/src/notion/blocks.ts b/src/notion/blocks.ts
index 01e9c4f..03391af 100644
--- a/src/notion/blocks.ts
+++ b/src/notion/blocks.ts
@@ -12,6 +12,14 @@ export type RichText = (Block & {
   type: 'paragraph';
 })['paragraph']['rich_text'][number];
 
+export function divider(): Block {
+  return {
+    object: 'block',
+    type: 'divider',
+    divider: {},
+  };
+}
+
 export function paragraph(text: RichText[]): Block {
   return {
     object: 'block',
diff --git a/src/parser/internal.ts b/src/parser/internal.ts
index 4f879eb..4d565fc 100644
--- a/src/parser/internal.ts
+++ b/src/parser/internal.ts
@@ -241,6 +241,9 @@ function parseNode(
     case 'math':
       return [parseMath(node)];
 
+    case 'thematicBreak':
+      return [notion.divider()];
+
     default:
       return [];
   }
diff --git a/test/fixtures/divider.md b/test/fixtures/divider.md
new file mode 100644
index 0000000..14dddf2
--- /dev/null
+++ b/test/fixtures/divider.md
@@ -0,0 +1,9 @@
+Thematic Break
+
+***
+
+Divider
+
+---
+
+END
\ No newline at end of file
diff --git a/test/integration.spec.ts b/test/integration.spec.ts
index a971d4d..ca0c2ec 100644
--- a/test/integration.spec.ts
+++ b/test/integration.spec.ts
@@ -92,6 +92,21 @@ const hello = "hello";
 
       expect(actual).toStrictEqual(expected);
     });
+    
+    it('should deal with divider', () => {
+      const text = fs.readFileSync('test/fixtures/divider.md').toString();
+      const actual = markdownToBlocks(text);
+
+      const expected = [
+        notion.paragraph([notion.richText('Thematic Break')]),
+        notion.divider(),
+        notion.paragraph([notion.richText('Divider')]),
+        notion.divider(),
+        notion.paragraph([notion.richText('END')]),
+      ];
+
+      expect(actual).toStrictEqual(expected);
+    });
 
     it('should break up large elements', () => {
       const text = fs.readFileSync('test/fixtures/large-item.md').toString();