From fdf3072babe3c02a530bfdaf2504a221f25f922a Mon Sep 17 00:00:00 2001
From: Gnohz Gniy <0x00eeee@gmail.com>
Date: Mon, 27 Feb 2023 10:50:14 +0800
Subject: [PATCH] Fix interceptInputs for languages with diacritics (#87)

---
 CoreEditor/src/modules/input/wrapBlock.ts | 5 +++++
 CoreEditor/src/styling/nodes/selection.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CoreEditor/src/modules/input/wrapBlock.ts b/CoreEditor/src/modules/input/wrapBlock.ts
index 00d69144..bbe96fe2 100644
--- a/CoreEditor/src/modules/input/wrapBlock.ts
+++ b/CoreEditor/src/modules/input/wrapBlock.ts
@@ -7,6 +7,11 @@ import { EditorView } from '@codemirror/view';
  * @param mark The mark, e.g., "*"
  */
 export default function wrapBlock(mark: string, editor: EditorView) {
+  // Fallback to the default behavior if all selections are empty
+  if (!editor.state.selection.ranges.some(range => !range.empty)) {
+    return false;
+  }
+
   const doc = editor.state.doc;
   editor.dispatch(editor.state.changeByRange(({ from, to }) => {
     const selection = doc.sliceString(from, to);
diff --git a/CoreEditor/src/styling/nodes/selection.ts b/CoreEditor/src/styling/nodes/selection.ts
index 9f50cf1d..e1a2d196 100644
--- a/CoreEditor/src/styling/nodes/selection.ts
+++ b/CoreEditor/src/styling/nodes/selection.ts
@@ -19,7 +19,7 @@ export const selectedTextDecoration = ViewPlugin.fromClass(class {
       return;
     }
 
-    const ranges = update.state.selection.ranges.filter(range => range.to !== range.from);
+    const ranges = update.state.selection.ranges.filter(range => !range.empty);
     const markDeco = Decoration.mark({ class: 'cm-selectedTextRange' });
     this.decorations = Decoration.set(ranges.map(range => {
       return markDeco.range(range.from, range.to);