From 47e8ac8b082592642c52ea12311d6513f483bf22 Mon Sep 17 00:00:00 2001
From: Vishesh Handa <me@vhanda.in>
Date: Mon, 1 Jun 2020 23:26:49 +0200
Subject: [PATCH] Auto add numbered lists when typing

Since we're using markdown it's kinda awesome that we can re-use the
same last number and markdown will arrange the numbers properly.
---
 lib/editors/heuristics.dart      | 2 +-
 test/editor_heuristics_test.dart | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/editors/heuristics.dart b/lib/editors/heuristics.dart
index b7c6e3e8..b635bb25 100644
--- a/lib/editors/heuristics.dart
+++ b/lib/editors/heuristics.dart
@@ -21,7 +21,7 @@ EditorHeuristicResult autoAddBulletList(
   prevLineStart = prevLineStart == -1 ? 0 : prevLineStart + 1;
   var prevLine = curText.substring(prevLineStart, cursorPos - 1);
 
-  var pattern = RegExp(r'^(\s*)([*\-])');
+  var pattern = RegExp(r'^(\s*)([*\-]|[0-9]\.)');
   var match = pattern.firstMatch(prevLine);
   if (match == null) {
     return null;
diff --git a/test/editor_heuristics_test.dart b/test/editor_heuristics_test.dart
index 8298e979..7d47cd4b 100644
--- a/test/editor_heuristics_test.dart
+++ b/test/editor_heuristics_test.dart
@@ -28,5 +28,14 @@ void main() {
       expect(result.text, "Hello\n* One\n* \n* Three");
       expect(result.cursorPos, 14);
     });
+
+    test('Adds a numbered list at the end', () {
+      var origText = "Hello\n1. One";
+      var newText = "Hello\n1. One\n";
+
+      var result = autoAddBulletList(origText, newText, newText.length);
+      expect(result.text, "Hello\n1. One\n1. ");
+      expect(result.cursorPos, result.text.length);
+    });
   });
 }