highlight.dart

A faithful Dart port of highlight.js — syntax highlighting for 192 languages with 257 themes.

Packages

Package	Description
highlight	Core Dart package — parsing engine, 192 languages, HTML output
flutter_highlight	Flutter widget — HighlightView with 257 themes and line numbers

Quick Start

Dart

import 'package:highlight/highlight.dart';

void main() {
  ensureInitialized();
  final result = hljs.highlight('print("hello")', language: 'python');
  print(result.toHtml());
}

Flutter

import 'package:flutter_highlight/flutter_highlight.dart';
import 'package:flutter_highlight/themes/github.dart';
import 'package:highlight/highlight.dart';

HighlightView(
  sourceCode,
  language: 'python',
  theme: githubTheme,
  showLineNumbers: true,
)

Changelog Generation

This repo uses conventional-commit style subjects, so changelog sections can be generated from git history per package:

dart run tool/generate_changelog.dart \
  --package highlight \
  --version 0.7.1 \
  --from v0.7.0

Add --write to update the package CHANGELOG.md in place:

dart run tool/generate_changelog.dart \
  --package flutter_highlight \
  --version 0.7.1 \
  --from v0.7.0 \
  --write

Pub Score Checks

CI validates the publishable package quality gates with pana plus pub publish --dry-run. Run the same score checks locally with:

dart pub global activate pana 0.23.12
dart run tool/check_pub_score.dart