Disallow lines longer than 80 characters

analysis_options.yaml

@@ -17,6 +17,7 @@ linter:
     - avoid_void_async
     - cascade_invocations
     - directives_ordering
+    - lines_longer_than_80_chars
     - omit_local_variable_types
     - prefer_const_constructors
     - prefer_const_constructors_in_immutables

example/lib/pages/home_page.dart

@@ -170,7 +170,8 @@ class _HomePageState extends State<HomePage> {
   }
 
   // Renders the image picked by imagePicker from local file storage
-  // You can also upload the picked image to any server (eg : AWS s3 or Firebase) and then return the uploaded image URL
+  // You can also upload the picked image to any server (eg : AWS s3
+  // or Firebase) and then return the uploaded image URL.
   Future<String> _onImagePickCallback(File file) async {
     // Copies the picked file from temporary cache to applications directory
     final appDocDir = await getApplicationDocumentsDirectory();

example/lib/universal_ui/universal_ui.dart

@@ -50,8 +50,9 @@ Widget defaultEmbedBuilderWeb(BuildContext context, Embed node) {
 
     default:
       throw UnimplementedError(
-          'Embeddable type "${node.value.type}" is not supported by default embed '
+        'Embeddable type "${node.value.type}" is not supported by default '
-          'builder of QuillEditor. You must pass your own builder function to '
+        'embed builder of QuillEditor. You must pass your own builder function '
-          'embedBuilder property of QuillEditor or QuillField widgets.');
+        'to embedBuilder property of QuillEditor or QuillField widgets.',
+      );
   }
 }

lib/src/models/documents/document.dart

@@ -250,7 +250,7 @@ class Document {
     for (final op in doc.toList()) {
       if (!op.isInsert) {
         throw ArgumentError.value(doc,
-            'Document Delta can only contain insert operations but ${op.key} found.');
+            'Document can only contain insert operations but ${op.key} found.');
       }
       final style =
           op.attributes != null ? Style.fromJson(op.attributes) : null;

lib/src/models/documents/nodes/container.dart

@@ -79,7 +79,7 @@ abstract class Container<T extends Node?> extends Node {
     if (last != null) last.adjust();
   }
 
-  /// Queries the child [Node] at specified character [offset] in this container.
+  /// Queries the child [Node] at [offset] in this container.
   ///
   /// The result may contain the found node or `null` if no node is found
   /// at specified offset.

lib/src/models/quill_delta.dart

@@ -1,5 +1,6 @@
-// Copyright (c) 2018, Anatoly Pulyaevskiy. All rights reserved. Use of this source code
+// Copyright (c) 2018, Anatoly Pulyaevskiy. All rights reserved. Use of this
-// is governed by a BSD-style license that can be found in the LICENSE file.
+// source code is governed by a BSD-style license that can be found in the
+// LICENSE file.
 
 /// Implementation of Quill Delta format in Dart.
 library quill_delta;

lib/src/models/rules/insert.dart

@@ -167,7 +167,8 @@ class AutoExitBlockRule extends InsertRule {
     // First check if `cur` length is greater than 1, this would indicate
     // that it contains multiple newline characters which share the same style.
     // This would mean we are not on the last line yet.
-    // `cur.value as String` is safe since we already called isEmptyLine and know it contains a newline
+    // `cur.value as String` is safe since we already called isEmptyLine and
+    // know it contains a newline
     if ((cur.value as String).length > 1) {
       // We are not on the last line of this block, ignore.
       return null;

lib/src/utils/diff_delta.dart

@@ -79,7 +79,8 @@ int getPositionDelta(Delta user, Delta actual) {
     final userOperation = userItr.next(length as int);
     final actualOperation = actualItr.next(length);
     if (userOperation.length != actualOperation.length) {
-      throw 'userOp ${userOperation.length} does not match  actualOp ${actualOperation.length}';
+      throw 'userOp ${userOperation.length} does not match actualOp '
+          '${actualOperation.length}';
     }
     if (userOperation.key == actualOperation.key) {
       continue;

lib/src/widgets/controller.dart

@@ -69,7 +69,7 @@ class QuillController extends ChangeNotifier {
       // if (this.selection.extentOffset >= document.length) {
       // // cursor exceeds the length of document, position it in the end
       // updateSelection(
-      //     TextSelection.collapsed(offset: document.length), ChangeSource.LOCAL);
+      // TextSelection.collapsed(offset: document.length), ChangeSource.LOCAL);
       updateSelection(
           TextSelection.collapsed(offset: selection.baseOffset + len!),
           ChangeSource.LOCAL);

lib/src/widgets/cursor.dart

@@ -267,8 +267,9 @@ class CursorPainter {
         case TargetPlatform.fuchsia:
         case TargetPlatform.linux:
         case TargetPlatform.windows:
-          // Override the height to take the full height of the glyph at the TextPosition
+          // Override the height to take the full height of the glyph at the
-          // when not on iOS. iOS has special handling that creates a taller caret.
+          // TextPosition when not on iOS. iOS has special handling that
+          // creates a taller caret.
           caretRect = Rect.fromLTWH(
             caretRect.left,
             caretRect.top - 2.0,

lib/src/widgets/editor.dart

@@ -107,9 +107,10 @@ Widget _defaultEmbedBuilder(BuildContext context, leaf.Embed node) {
               : Image.file(io.File(imageUrl));
     default:
       throw UnimplementedError(
-          'Embeddable type "${node.value.type}" is not supported by default embed '
+        'Embeddable type "${node.value.type}" is not supported by default '
-          'builder of QuillEditor. You must pass your own builder function to '
+        'embed builder of QuillEditor. You must pass your own builder function '
-          'embedBuilder property of QuillEditor or QuillField widgets.');
+        'to embedBuilder property of QuillEditor or QuillField widgets.',
+      );
   }
 }
 

lib/src/widgets/keyboard_listener.dart

@@ -64,7 +64,7 @@ class KeyboardListener {
 
   bool handleRawKeyEvent(RawKeyEvent event) {
     if (kIsWeb) {
-      // On web platform, we should ignore the key because it's processed already.
+      // On web platform, we ignore the key because it's already processed.
       return false;
     }
 

lib/src/widgets/simple_viewer.dart

@@ -109,9 +109,11 @@ class _QuillSimpleViewerState extends State<QuillSimpleViewer>
                 : Image.file(io.File(imageUrl));
       default:
         throw UnimplementedError(
-            'Embeddable type "${node.value.type}" is not supported by default embed '
+          'Embeddable type "${node.value.type}" is not supported by default '
-            'builder of QuillEditor. You must pass your own builder function to '
+          'embed builder of QuillEditor. You must pass your own builder '
-            'embedBuilder property of QuillEditor or QuillField widgets.');
+          'function to embedBuilder property of QuillEditor or QuillField '
+          'widgets.',
+        );
     }
   }
 

lib/src/widgets/text_block.dart

@@ -512,7 +512,8 @@ class RenderEditableTextBlock extends RenderEditableContainerBox
         offset.translate(decorationPadding.left, decorationPadding.top);
     _painter!.paint(context.canvas, decorationOffset, filledConfiguration);
     if (debugSaveCount != context.canvas.getSaveCount()) {
-      throw '${_decoration.runtimeType} painter had mismatching save and restore calls.';
+      throw '${_decoration.runtimeType} painter had mismatching save and  '
+          'restore calls.';
     }
     if (decoration.isComplex) {
       context.setIsComplexHint();