Remove unused imports

packages/flutter_quill_html/lib/flutter_quill_html.dart

@@ -3,12 +3,7 @@ library flutter_quill_html;
 import 'dart:convert' show jsonDecode;
 
 import 'package:delta_markdown/delta_markdown.dart' show markdownToDelta;
-import 'package:flutter/foundation.dart';
 import 'package:flutter_quill/flutter_quill.dart' show Delta;
-// ignore: depend_on_referenced_packages
-import 'package:html/dom.dart' as html_dom;
-// ignore: depend_on_referenced_packages
-import 'package:html/parser.dart' as html_parse;
 import 'package:html2md/html2md.dart' as html2md;
 import 'package:vsc_quill_delta_to_html/vsc_quill_delta_to_html.dart'
     as conventer show ConverterOptions, QuillDeltaToHtmlConverter;
@@ -34,99 +29,3 @@ extension DeltaHtmlExt on Delta {
     );
   }
 }
-
-// From https://github.com/singerdmx/flutter-quill/issues/1100#issuecomment-1681274676
-@immutable
-class HtmlToDeltaConverter {
-  static const _collorPattern = r'color: rgb\((\d+), (\d+), (\d+)\);';
-
-  static Delta _parseInlineStyles(html_dom.Element element) {
-    var delta = Delta();
-
-    for (final node in element.nodes) {
-      final attributes = _parseElementStyles(element);
-
-      if (node is html_dom.Text) {
-        delta.insert(node.text, attributes);
-      } else if (node is html_dom.Element && node.localName == 'img') {
-        final src = node.attributes['src'];
-        if (src != null) {
-          delta.insert({'image': src});
-        }
-      } else if (node is html_dom.Element) {
-        delta = delta.concat(_parseInlineStyles(node));
-      }
-    }
-
-    return delta;
-  }
-
-  static Map<String, dynamic> _parseElementStyles(html_dom.Element element) {
-    final attributes = <String, dynamic>{};
-
-    if (element.localName == 'strong') attributes['bold'] = true;
-    if (element.localName == 'em') attributes['italic'] = true;
-    if (element.localName == 'u') attributes['underline'] = true;
-    if (element.localName == 'del') attributes['strike'] = true;
-
-    final style = element.attributes['style'];
-    if (style != null) {
-      final colorValue = _parseColorFromStyle(style);
-      if (colorValue != null) attributes['color'] = colorValue;
-
-      final bgColorValue = _parseBackgroundColorFromStyle(style);
-      if (bgColorValue != null) attributes['background'] = bgColorValue;
-    }
-
-    return attributes;
-  }
-
-  static String? _parseColorFromStyle(String style) {
-    if (RegExp(r'(^|\s)color:(\s|$)').hasMatch(style)) {
-      return _parseRgbColorFromMatch(RegExp(_collorPattern).firstMatch(style));
-    }
-    return null;
-  }
-
-  static String? _parseBackgroundColorFromStyle(String style) {
-    if (RegExp(r'(^|\s)background-color:(\s|$)').hasMatch(style)) {
-      return _parseRgbColorFromMatch(RegExp(_collorPattern).firstMatch(style));
-    }
-    return null;
-  }
-
-  static String? _parseRgbColorFromMatch(RegExpMatch? colorMatch) {
-    if (colorMatch != null) {
-      try {
-        final red = int.parse(colorMatch.group(1)!);
-        final green = int.parse(colorMatch.group(2)!);
-        final blue = int.parse(colorMatch.group(3)!);
-        return '#${red.toRadixString(16).padLeft(2, '0')}${green.toRadixString(16).padLeft(2, '0')}${blue.toRadixString(16).padLeft(2, '0')}';
-      } catch (e) {
-        // debugPrintStack(label: e.toString());
-      }
-    }
-    return null;
-  }
-
-  static Delta htmlToDelta(String html) {
-    final document = html_parse.parse(html);
-    var delta = Delta();
-
-    for (final node in document.body?.nodes ?? []) {
-      if (node is html_dom.Element) {
-        switch (node.localName) {
-          case 'p':
-            delta = delta.concat(_parseInlineStyles(node))..insert('\n');
-            break;
-          case 'br':
-            delta.insert('\n');
-            break;
-        }
-      }
-    }
-
-    return html.isNotEmpty ? delta : Delta()
-      ..insert('\n');
-  }
-}