performance improvements

+## 1.0.19
+
+* Performance improvements.
+
 ## 1.0.18
 
 * dollarSignForLatex is added and by default it is false.

@@ -76,6 +76,16 @@ class _MyHomePageState extends State<MyHomePage> {
   TextDirection _direction = TextDirection.ltr;
   final TextEditingController _controller = TextEditingController(
     text: r'''
+This is a sample markdown document.
+
+* **bold**
+* *italic*
+* **_bold and italic_**
+* ~~strikethrough~~
+* `code`
+* [link](https://www.google.com) ![image](https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png)
+
+
 ```markdown
 # Complex Markdown Document for Testing
 

@@ -198,4 +198,27 @@ class GptMarkdownConfig {
       overflow: overflow,
     );
   }
+
+  /// A method to check if the configuration is the same.
+  bool isSame(GptMarkdownConfig other) {
+    return style == other.style &&
+        textAlign == other.textAlign &&
+        textScaler == other.textScaler &&
+        maxLines == other.maxLines &&
+        overflow == other.overflow &&
+        followLinkColor == other.followLinkColor &&
+        // latexWorkaround == other.latexWorkaround &&
+        // components == other.components &&
+        // inlineComponents == other.inlineComponents &&
+        // latexBuilder == other.latexBuilder &&
+        // sourceTagBuilder == other.sourceTagBuilder &&
+        // codeBuilder == other.codeBuilder &&
+        // orderedListBuilder == other.orderedListBuilder &&
+        // unOrderedListBuilder == other.unOrderedListBuilder &&
+        // linkBuilder == other.linkBuilder &&
+        // imageBuilder == other.imageBuilder &&
+        // highlightBuilder == other.highlightBuilder &&
+        // onLinkTab == other.onLinkTab &&
+        textDirection == other.textDirection;
+  }
 }

@@ -179,6 +179,7 @@ class GptMarkdown extends StatelessWidget {
     // tex = _removeExtraLinesInsideBlockLatex(tex);
     return ClipRRect(
       child: MdWidget(
+        context,
         tex,
         true,
         config: GptMarkdownConfig(

@@ -294,7 +294,7 @@ class CheckBoxMd extends BlockMd {
     return CustomCb(
       value: ("${match?[1]}" == "x"),
       textDirection: config.textDirection,
-      child: MdWidget("${match?[2]}", false, config: config),
+      child: MdWidget(context, "${match?[2]}", false, config: config),
     );
   }
 }
@@ -315,7 +315,7 @@ class RadioButtonMd extends BlockMd {
     return CustomRb(
       value: ("${match?[1]}" == "x"),
       textDirection: config.textDirection,
-      child: MdWidget("${match?[2]}", false, config: config),
+      child: MdWidget(context, "${match?[2]}", false, config: config),
     );
   }
 }
@@ -394,7 +394,7 @@ class UnOrderedList extends BlockMd {
   ) {
     var match = this.exp.firstMatch(text);
 
-    var child = MdWidget("${match?[1]?.trim()}", true, config: config);
+    var child = MdWidget(context, "${match?[1]?.trim()}", true, config: config);
 
     return config.unOrderedListBuilder?.call(
           context,
@@ -432,7 +432,7 @@ class OrderedList extends BlockMd {
 
     var no = "${match?[1]}";
 
-    var child = MdWidget("${match?[2]?.trim()}", true, config: config);
+    var child = MdWidget(context, "${match?[2]?.trim()}", true, config: config);
     return config.orderedListBuilder?.call(
           context,
           no,
@@ -971,6 +971,7 @@ class TableMd extends BlockMd {
                               vertical: 4,
                             ),
                             child: MdWidget(
+                              context,
                               (e[index] ?? "").trim(),
                               false,
                               config: config,

 part of 'gpt_markdown.dart';
 
 /// It creates a markdown widget closed to each other.
-class MdWidget extends StatelessWidget {
+class MdWidget extends StatefulWidget {
   const MdWidget(
+    this.context,
     this.exp,
     this.includeGlobalComponents, {
     super.key,
@@ -11,6 +12,7 @@ class MdWidget extends StatelessWidget {
 
   /// The expression to be displayed.
   final String exp;
+  final BuildContext context;
 
   /// Whether to include global components.
   final bool includeGlobalComponents;
@@ -19,25 +21,46 @@ class MdWidget extends StatelessWidget {
   final GptMarkdownConfig config;
 
   @override
-  Widget build(BuildContext context) {
-    List<InlineSpan> list = MarkdownComponent.generate(
+  State<MdWidget> createState() => _MdWidgetState();
+}
+
+class _MdWidgetState extends State<MdWidget> {
+  List<InlineSpan> list = [];
+  @override
+  void initState() {
+    super.initState();
+    list = MarkdownComponent.generate(
+      widget.context,
+      widget.exp,
+      widget.config,
+      widget.includeGlobalComponents,
+    );
+  }
+
+  @override
+  void didUpdateWidget(covariant MdWidget oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.exp != widget.exp ||
+        !oldWidget.config.isSame(widget.config)) {
+      list = MarkdownComponent.generate(
         context,
-      exp,
-      // .replaceAllMapped(
-      //     RegExp(
-      //       r"\\\[(.*?)\\\]|(\\begin.*?\\end{.*?})",
-      //       multiLine: true,
-      //       dotAll: true,
-      //     ), (match) {
-      //   //
-      //   String body = (match[1] ?? match[2])?.replaceAll("\n", " ") ?? "";
-      //   return "\\[$body\\]";
-      // }),
-      config,
-      includeGlobalComponents,
+        widget.exp,
+        widget.config,
+        widget.includeGlobalComponents,
       );
-    return config.getRich(
-      TextSpan(children: list, style: config.style?.copyWith()),
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // List<InlineSpan> list = MarkdownComponent.generate(
+    //   context,
+    //   widget.exp,
+    //   widget.config,
+    //   widget.includeGlobalComponents,
+    // );
+    return widget.config.getRich(
+      TextSpan(children: list, style: widget.config.style?.copyWith()),
     );
   }
 }

 name: gpt_markdown
 description: "Powerful Markdown & LaTeX Renderer for Flutter: Rich Text, Math, Tables, Links, and Text Selection. Ideal for ChatGPT, Gemini, and more."
-version: 1.0.18
+version: 1.0.19
 homepage: https://github.com/Infinitix-LLC/gpt_markdown
 
 environment: