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example/lib/main.dart

@@ -265,7 +265,8 @@ class MyHomePageState extends State<MyHomePage> {
       floatingActionButton: FloatingActionButton(
         child: const Icon(Icons.arrow_downward),
         onPressed: () {
-          final anchorContext = AnchorKey.forId(staticAnchorKey, "bottom")?.currentContext;
+          final anchorContext =
+              AnchorKey.forId(staticAnchorKey, "bottom")?.currentContext;
           if (anchorContext != null) {
             Scrollable.ensureVisible(anchorContext);
           }
@@ -294,51 +295,64 @@ class MyHomePageState extends State<MyHomePage> {
           },
           tagsList: Html.tags..addAll(['tex', 'bird', 'flutter']),
           customRenders: {
-            tagMatcher("tex"): CustomRender.widget(widget: (context, buildChildren) => Math.tex(
-              context.tree.element?.innerHtml ?? '',
-              mathStyle: MathStyle.display,
-              textStyle: context.style.generateTextStyle(),
-              onErrorFallback: (FlutterMathException e) {
-                return Text(e.message);
-              },
-            )),
-            tagMatcher("bird"): CustomRender.inlineSpan(inlineSpan: (context, buildChildren) => const TextSpan(text: "🐦")),
-            tagMatcher("flutter"): CustomRender.widget(widget: (context, buildChildren) => FlutterLogo(
-              style: (context.tree.element!.attributes['horizontal'] != null)
-                  ? FlutterLogoStyle.horizontal
-                  : FlutterLogoStyle.markOnly,
-              textColor: context.style.color!,
-              size: context.style.fontSize!.value * 5,
-            )),
-            tagMatcher("table"): CustomRender.widget(widget: (context, buildChildren) => SingleChildScrollView(
-              scrollDirection: Axis.horizontal,
-              child: tableRender.call().widget!.call(context, buildChildren),
-            )),
+            tagMatcher("tex"): CustomRender.widget(
+                widget: (context, buildChildren) => Math.tex(
+                      context.tree.element?.innerHtml ?? '',
+                      mathStyle: MathStyle.display,
+                      textStyle: context.style.generateTextStyle(),
+                      onErrorFallback: (FlutterMathException e) {
+                        return Text(e.message);
+                      },
+                    )),
+            tagMatcher("bird"): CustomRender.inlineSpan(
+                inlineSpan: (context, buildChildren) =>
+                    const TextSpan(text: "🐦")),
+            tagMatcher("flutter"): CustomRender.widget(
+                widget: (context, buildChildren) => FlutterLogo(
+                      style: (context.tree.element!.attributes['horizontal'] !=
+                              null)
+                          ? FlutterLogoStyle.horizontal
+                          : FlutterLogoStyle.markOnly,
+                      textColor: context.style.color!,
+                      size: context.style.fontSize!.value * 5,
+                    )),
+            tagMatcher("table"): CustomRender.widget(
+                widget: (context, buildChildren) => SingleChildScrollView(
+                      scrollDirection: Axis.horizontal,
+                      child: tableRender
+                          .call()
+                          .widget!
+                          .call(context, buildChildren),
+                    )),
             audioMatcher(): audioRender(),
             iframeMatcher(): iframeRender(),
-            mathMatcher(): mathRender(onMathError: (error, exception, exceptionWithType) {
+            mathMatcher():
+                mathRender(onMathError: (error, exception, exceptionWithType) {
               debugPrint(exception);
               return Text(exception);
             }),
             svgTagMatcher(): svgTagRender(),
             svgDataUriMatcher(): svgDataImageRender(),
             svgAssetUriMatcher(): svgAssetImageRender(),
             svgNetworkSourceMatcher(): svgNetworkImageRender(),
-            networkSourceMatcher(domains: ["flutter.dev"]): CustomRender.widget(
-                widget: (context, buildChildren) {
-                  return const FlutterLogo(size: 36);
-                }),
+            networkSourceMatcher(domains: ["flutter.dev"]):
+                CustomRender.widget(widget: (context, buildChildren) {
+              return const FlutterLogo(size: 36);
+            }),
             networkSourceMatcher(domains: ["mydomain.com"]): networkImageRender(
               headers: {"Custom-Header": "some-value"},
               altWidget: (alt) => Text(alt ?? ""),
               loadingWidget: () => const Text("Loading..."),
             ),
             // On relative paths starting with /wiki, prefix with a base url
-                (context) => context.tree.element?.attributes["src"] != null
-                && context.tree.element!.attributes["src"]!.startsWith("/wiki"):
-            networkImageRender(mapUrl: (url) => "https://upload.wikimedia.org${url!}"),
+            (context) =>
+                context.tree.element?.attributes["src"] != null &&
+                context.tree.element!.attributes["src"]!
+                    .startsWith("/wiki"): networkImageRender(
+                mapUrl: (url) => "https://upload.wikimedia.org${url!}"),
             // Custom placeholder image for broken links
-            networkSourceMatcher(): networkImageRender(altWidget: (_) => const FlutterLogo()),
+            networkSourceMatcher():
+                networkImageRender(altWidget: (_) => const FlutterLogo()),
             videoMatcher(): videoRender(),
           },
           onLinkTap: (url, _, __, ___) {
@@ -364,8 +378,11 @@ class MyHomePageState extends State<MyHomePage> {
   }
 }
 
-CustomRenderMatcher texMatcher() => (context) => context.tree.element?.localName == 'tex';
+CustomRenderMatcher texMatcher() =>
+    (context) => context.tree.element?.localName == 'tex';
 
-CustomRenderMatcher birdMatcher() => (context) => context.tree.element?.localName == 'bird';
+CustomRenderMatcher birdMatcher() =>
+    (context) => context.tree.element?.localName == 'bird';
 
-CustomRenderMatcher flutterMatcher() => (context) => context.tree.element?.localName == 'flutter';
+CustomRenderMatcher flutterMatcher() =>
+    (context) => context.tree.element?.localName == 'flutter';

lib/custom_render.dart

@@ -370,12 +370,16 @@ CustomRender networkImageRender({
           if (!completer.isCompleted) {
             context.parser.cachedImageSizes[src] = size;
             completer.complete(size);
-            image.image.resolve(const ImageConfiguration()).removeListener(listener!);
+            image.image
+                .resolve(const ImageConfiguration())
+                .removeListener(listener!);
           }
         }, onError: (object, stacktrace) {
           if (!completer.isCompleted) {
             completer.completeError(object);
-            image.image.resolve(const ImageConfiguration()).removeListener(listener!);
+            image.image
+                .resolve(const ImageConfiguration())
+                .removeListener(listener!);
           }
         });
 

lib/flutter_html.dart

@@ -327,7 +327,8 @@ class SelectableHtml extends StatefulWidget {
   /// fallback to the default rendering.
   final Map<CustomRenderMatcher, SelectableCustomRender> customRenders;
 
-  static List<String> get tags => List<String>.from(HtmlElements.selectableElements);
+  static List<String> get tags =>
+      List<String>.from(HtmlElements.selectableElements);
 
   @override
   State<StatefulWidget> createState() => _SelectableHtmlState();

lib/html_parser.dart

@@ -60,9 +60,8 @@ class HtmlParser extends StatelessWidget {
     this.root,
     this.selectionControls,
     this.scrollPhysics,
-  })  : internalOnAnchorTap = onAnchorTap ?? (key != null
-                ? _handleAnchorTap(key, onLinkTap)
-                : onLinkTap);
+  }) : internalOnAnchorTap = onAnchorTap ??
+            (key != null ? _handleAnchorTap(key, onLinkTap) : onLinkTap);
 
   /// As the widget [build]s, the HTML data is processed into a tree of [StyledElement]s,
   /// which are then parsed into an [InlineSpan] tree that is then rendered to the screen by Flutter
@@ -184,7 +183,8 @@ class HtmlParser extends StatelessWidget {
         return parseLayoutElement(node, children);
       } else if (HtmlElements.tableCellElements.contains(node.localName)) {
         return parseTableCellElement(node, children);
-      } else if (HtmlElements.tableDefinitionElements.contains(node.localName)) {
+      } else if (HtmlElements.tableDefinitionElements
+          .contains(node.localName)) {
         return parseTableDefinitionElement(node, children);
       } else {
         final StyledElement tree = parseStyledElement(node, children);
@@ -285,7 +285,6 @@ class HtmlParser extends StatelessWidget {
   /// child that doesn't specify a different style.
   static StyledElement _cascadeStyles(
       Map<String, Style> style, StyledElement tree) {
-
     for (var child in tree.children) {
       child.style = tree.style.copyOnlyInherited(child.style);
       _cascadeStyles(style, child);
@@ -372,7 +371,7 @@ class HtmlParser extends StatelessWidget {
             shrinkWrap: newContext.parser.shrinkWrap,
             childIsReplaced: true, //TODO is this true?
             child:
-            customRenders[entry]!.widget!.call(newContext, buildChildren),
+                customRenders[entry]!.widget!.call(newContext, buildChildren),
           ),
         );
       }
@@ -655,9 +654,8 @@ class HtmlParser extends StatelessWidget {
           if (olStack.last.data <= 0) {
             marker = '${olStack.last.data}.';
           } else {
-            marker = "${(olStack.last.data as int)
-                    .toRomanNumeralString()!
-                    .toLowerCase()}.";
+            marker =
+                "${(olStack.last.data as int).toRomanNumeralString()!.toLowerCase()}.";
           }
           break;
         case ListStyleType.upperRoman:

lib/src/css_box_widget.dart

@@ -25,7 +25,7 @@ class CssBoxWidget extends StatelessWidget {
     bool selectable = false,
     TextSelectionControls? selectionControls,
     ScrollPhysics? scrollPhysics,
-  })  : child = selectable
+  }) : child = selectable
             ? _generateSelectableWidgetChild(
                 children,
                 style,
@@ -676,9 +676,9 @@ extension Normalize on Dimension {
   void normalize(double emValue) {
     switch (unit) {
       case Unit.rem:
-        // Because CSSBoxWidget doesn't have any information about any
-        // sort of tree structure, treat rem the same as em. The HtmlParser
-        // widget handles rem/em values before they get to CSSBoxWidget.
+      // Because CSSBoxWidget doesn't have any information about any
+      // sort of tree structure, treat rem the same as em. The HtmlParser
+      // widget handles rem/em values before they get to CSSBoxWidget.
       case Unit.em:
         value *= emValue;
         unit = Unit.px;

lib/src/css_parser.dart

@@ -1083,8 +1083,8 @@ class ExpressionMapping {
       //   return LengthOrPercent(double.parse(value.text), Unit.rem);
       // TODO there are several other available terms processed by the CSS parser
     } else if (value is css.LengthTerm) {
-      double number = double.parse(
-          value.text.replaceAll(RegExp(r'\s+(\d+\.\d+)\s+'), ''));
+      double number =
+          double.parse(value.text.replaceAll(RegExp(r'\s+(\d+\.\d+)\s+'), ''));
       Unit unit = _unitMap(value.unit);
       return LengthOrPercent(number, unit);
     }
@@ -1204,31 +1204,23 @@ class ExpressionMapping {
           shadow.add(Shadow(
             color: expressionToColor(color)!,
             offset: Offset(
-                double.tryParse((offsetX)
-                    .text
-                    .replaceAll(nonNumberRegex, ''))!,
-                double.tryParse((offsetY)
-                    .text
-                    .replaceAll(nonNumberRegex, ''))!),
+                double.tryParse((offsetX).text.replaceAll(nonNumberRegex, ''))!,
+                double.tryParse(
+                    (offsetY).text.replaceAll(nonNumberRegex, ''))!),
             blurRadius: (blurRadius is css.LiteralTerm)
-                ? double.tryParse((blurRadius)
-                    .text
-                    .replaceAll(nonNumberRegex, ''))!
+                ? double.tryParse(
+                    (blurRadius).text.replaceAll(nonNumberRegex, ''))!
                 : 0.0,
           ));
         } else {
           shadow.add(Shadow(
             offset: Offset(
-                double.tryParse((offsetX)
-                    .text
-                    .replaceAll(nonNumberRegex, ''))!,
-                double.tryParse((offsetY)
-                    .text
-                    .replaceAll(nonNumberRegex, ''))!),
+                double.tryParse((offsetX).text.replaceAll(nonNumberRegex, ''))!,
+                double.tryParse(
+                    (offsetY).text.replaceAll(nonNumberRegex, ''))!),
             blurRadius: (blurRadius is css.LiteralTerm)
-                ? double.tryParse((blurRadius)
-                    .text
-                    .replaceAll(nonNumberRegex, ''))!
+                ? double.tryParse(
+                    (blurRadius).text.replaceAll(nonNumberRegex, ''))!
                 : 0.0,
           ));
         }

lib/src/html_elements.dart

@@ -3,7 +3,6 @@ export 'interactable_element.dart';
 export 'replaced_element.dart';
 
 class HtmlElements {
-
   static const styledElements = [
     "abbr",
     "acronym",
@@ -205,5 +204,4 @@ class HtmlElements {
     "var",
     "wbr",
   ];
-
-}
+}

lib/src/replaced_element.dart

@@ -71,7 +71,6 @@ class EmptyContentElement extends ReplacedElement {
 }
 
 class RubyElement extends ReplacedElement {
-
   @override
   dom.Element element;
 

lib/src/style/length.dart

@@ -4,7 +4,8 @@ enum UnitType {
   length,
   auto,
   lengthPercent(children: [UnitType.length, UnitType.percent]),
-  lengthPercentAuto(children: [UnitType.length, UnitType.percent, UnitType.auto]);
+  lengthPercentAuto(
+      children: [UnitType.length, UnitType.percent, UnitType.auto]);
 
   final List<UnitType> children;
 
@@ -45,7 +46,8 @@ abstract class Dimension {
 /// This dimension takes a value with a length unit such as px or em. Note that
 /// these can be fixed or relative (but they must not be a percent)
 class Length extends Dimension {
-  Length(double value, [Unit unit = Unit.px]) : super(value, unit, UnitType.length);
+  Length(double value, [Unit unit = Unit.px])
+      : super(value, unit, UnitType.length);
 }
 
 /// This dimension takes a value with a length-percent unit such as px or em

packages/flutter_html_audio/lib/flutter_html_audio.dart

@@ -28,7 +28,8 @@ class AudioWidget extends StatefulWidget {
   final RenderContext context;
   final AudioControllerCallback? callback;
 
-  const AudioWidget({Key? key,
+  const AudioWidget({
+    Key? key,
     required this.context,
     this.callback,
   }) : super(key: key);

packages/flutter_html_iframe/lib/iframe_unsupported.dart

@@ -4,5 +4,6 @@ import 'package:webview_flutter/webview_flutter.dart';
 
 CustomRender iframeRender({NavigationDelegate? navigationDelegate}) =>
     CustomRender.widget(widget: (context, buildChildren) {
-      return const Text("Iframes are currently not supported in this environment");
+      return const Text(
+          "Iframes are currently not supported in this environment");
     });

packages/flutter_html_math/lib/flutter_html_math.dart

@@ -52,9 +52,8 @@ String _parseMathRecursive(dom.Node node, String parsed) {
             node.localName == "mover") &&
         nodeList.length == 2) {
       parsed = _parseMathRecursive(nodeList[0], parsed);
-      parsed = "${_parseMathRecursive(
-              nodeList[1],
-              "$parsed${node.localName == "msup" || node.localName == "mover" ? "^" : "_"}{")}}";
+      parsed =
+          "${_parseMathRecursive(nodeList[1], "$parsed${node.localName == "msup" || node.localName == "mover" ? "^" : "_"}{")}}";
     }
     if ((node.localName == "msubsup" || node.localName == "munderover") &&
         nodeList.length == 3) {

packages/flutter_html_table/lib/flutter_html_table.dart

@@ -13,7 +13,7 @@ CustomRender tableRender() =>
         key: context.key,
         style: context.style,
         child: LayoutBuilder(
-            builder: (_, constraints) => _layoutCells(context, constraints),
+          builder: (_, constraints) => _layoutCells(context, constraints),
         ),
       );
     });

packages/flutter_html_video/lib/flutter_html_video.dart

@@ -25,7 +25,8 @@ class VideoWidget extends StatefulWidget {
   final RenderContext context;
   final VideoControllerCallback? callback;
 
-  const VideoWidget({Key? key,
+  const VideoWidget({
+    Key? key,
     required this.context,
     this.callback,
   }) : super(key: key);

test/flutter_html_test.dart

@@ -33,7 +33,7 @@ void main() {
 
   testWidgets(
     "Check that widget displays given text",
-        (tester) async {
+    (tester) async {
       await tester.pumpWidget(
         MaterialApp(
           home: Html(
@@ -56,7 +56,9 @@ void main() {
     expect(find.text('Text', findRichText: true), findsOneWidget);
   });
 
-  testWidgets('Check that a simple element is hidden when tagsList does not contain it', (tester) async {
+  testWidgets(
+      'Check that a simple element is hidden when tagsList does not contain it',
+      (tester) async {
     await tester.pumpWidget(
       MaterialApp(
         home: Html(
@@ -68,7 +70,9 @@ void main() {
     expect(find.text('Text', findRichText: true), findsNothing);
   });
 
-  testWidgets('Check that a simple element is displayed when it is included in tagsList', (tester) async {
+  testWidgets(
+      'Check that a simple element is displayed when it is included in tagsList',
+      (tester) async {
     await tester.pumpWidget(
       MaterialApp(
         home: Html(