HyperRender Highlight #

Syntax highlighting plugin for HyperRender using flutter_highlight.

Features #

• 180+ Languages - Comprehensive language support via highlight.js
• Multiple Themes - VS2015, Atom One Dark, GitHub, Dracula, and more
• Auto-detection - Automatic language detection when not specified
• Seamless Integration - Works with HyperRender's code block rendering

Installation #

dependencies:
  hyper_render_core: ^1.0.0
  hyper_render_highlight: ^1.0.0

Usage #

Basic Usage #

import 'package:hyper_render_core/hyper_render_core.dart';
import 'package:hyper_render_html/hyper_render_html.dart';
import 'package:hyper_render_highlight/hyper_render_highlight.dart';

// Create highlighter
final highlighter = FlutterHighlightCodeHighlighter();

// Parse HTML with code blocks
final parser = HtmlContentParser();
final document = parser.parse('''
  <pre><code class="language-dart">
  void main() {
    print('Hello, World!');
  }
  </code></pre>
''');

// Render with syntax highlighting
HyperRenderWidget(
  document: document,
  codeHighlighter: highlighter,
)

Custom Theme #

final highlighter = FlutterHighlightCodeHighlighter(
  theme: HighlightTheme.dracula,
);

Available Themes #

With Markdown #

import 'package:hyper_render_markdown/hyper_render_markdown.dart';
import 'package:hyper_render_highlight/hyper_render_highlight.dart';

final parser = MarkdownContentParser();
final highlighter = FlutterHighlightCodeHighlighter(
  theme: HighlightTheme.atomOneDark,
);

final document = parser.parse('''
# Code Example

```python
def hello():
    print("Hello, World!")

hello()

''');

HyperRenderWidget( document: document, codeHighlighter: highlighter, )

## Supported Languages

The plugin supports 180+ programming languages including:

### Popular Languages
- **Web**: JavaScript, TypeScript, HTML, CSS, JSON
- **Mobile**: Dart, Swift, Kotlin, Java, Objective-C
- **Backend**: Python, Ruby, PHP, Go, Rust, C#
- **Systems**: C, C++, Rust, Assembly
- **Data**: SQL, R, Julia, MATLAB
- **Shell**: Bash, PowerShell, Zsh
- **Config**: YAML, TOML, INI, XML

### Full List

Check `highlighter.supportedLanguages` for the complete list:

```dart
final highlighter = FlutterHighlightCodeHighlighter();
print(highlighter.supportedLanguages);
// {dart, javascript, python, ruby, go, rust, ...}

Custom Highlighter #

You can implement your own highlighter using the CodeHighlighter interface:

import 'package:hyper_render_core/hyper_render_core.dart';

class MyCustomHighlighter implements CodeHighlighter {
  @override
  List<TextSpan> highlight(String code, String language) {
    // Your custom highlighting logic
    return [TextSpan(text: code)];
  }

  @override
  Set<String> get supportedLanguages => {'dart', 'python'};

  @override
  bool isLanguageSupported(String language) {
    return supportedLanguages.contains(language.toLowerCase());
  }

  @override
  TextStyle get defaultStyle => TextStyle(
    fontFamily: 'JetBrains Mono',
    fontSize: 14,
  );

  @override
  Color get backgroundColor => Color(0xFF1E1E1E);
}

License #

MIT License - see LICENSE file for details.