Chore: convert _isNodeInline into a function in a extension for Node …

…objects

lib/src/common/extensions/nodes_ext.dart

@@ -0,0 +1,10 @@
+import '../../document/nodes/node.dart';
+
+extension NodesCheckingExtension on Node {
+  bool isNodeInline(){
+    for (final attr in style.attributes.values) {
+      if (!attr.isInline) return false;
+    }
+    return true;
+  }
+}

lib/src/editor/widgets/cursor.dart

@@ -3,7 +3,6 @@ import 'dart:async';
 import 'package:flutter/widgets.dart';
 
 import '../../common/utils/platform.dart';
-import '../../document/nodes/line.dart';
 import 'box.dart';
 import 'cursor_configuration/cursor_configuration.dart';
 
@@ -264,7 +263,7 @@ class CursorPainter {
     Offset offset,
     TextPosition position,
     bool lineHasEmbed,
-    Line node,
+    bool isNodeValid,
     CursorPlaceholderConfig? cursorPlaceholderConfig,
     TextDirection textDirection,
   ) {
@@ -335,7 +334,7 @@ class CursorPainter {
     if (cursorPlaceholderConfig != null &&
         cursorPlaceholderConfig.show &&
         cursorPlaceholderConfig.text.trim().isNotEmpty) {
-      if (_isNodeInline(node) && node.isEmpty) {
+      if (isNodeValid) {
         final localOffset = cursorPlaceholderConfig.offset;
         if (localOffset == null) return;
         placeholderPainter ??= TextPainter(
@@ -352,13 +351,6 @@ class CursorPainter {
     }
   }
 
-  bool _isNodeInline(Line node) {
-    for (final attr in node.style.attributes.values) {
-      if (!attr.isInline) return false;
-    }
-    return true;
-  }
-
   Offset _getPixelPerfectCursorOffset(
     Rect caretRect,
   ) {

lib/src/editor/widgets/text/text_line.dart

@@ -9,6 +9,7 @@ import 'package:flutter/services.dart';
 import 'package:url_launcher/url_launcher_string.dart' show launchUrlString;
 
 import '../../../../flutter_quill.dart';
+import '../../../common/extensions/nodes_ext.dart';
 import '../../../common/utils/color.dart';
 import '../../../common/utils/font.dart';
 import '../../../common/utils/platform.dart';
@@ -1444,12 +1445,13 @@ class RenderEditableTextLine extends RenderEditableBox {
             offset: textSelection.extentOffset - line.documentOffset,
             affinity: textSelection.base.affinity,
           );
+    final isNodeValid = line.isNodeInline() && line.isEmpty;
     _cursorPainter.paint(
       context.canvas,
       effectiveOffset,
       position,
       lineHasEmbed,
-      line,
+      isNodeValid,
       cursorPlaceholderConfig,
       textDirection,
     );