3e664193ce
New export target: a single offline .html rendered from the deck's Marp Markdown. Bundles (inlines) marked, highlight.js, MathJax (tex-svg, no font files) and mermaid, so code highlighting, LaTeX math and mermaid diagrams all render in any browser with no network access. - MarpHtmlService splits the deck on `---`, strips front-matter, and inlines the vendored libraries (assets/web_export/) with a </script> breakout guard. The asset loader is injectable for testing. - ExportFormat.html wired through ExportService (no rasterization needed), the export dialog (new button, skips slide rendering) and app_shell (passes the generated Markdown). Export dialog is now scrollable. Note: rendered with marked, not Marp Core, so theme fidelity differs from the in-app preview / PDF / PPTX; the win is a portable, dependency-free deck. Tests: slide splitting, library inlining, breakout escaping, and an end-to-end .html export. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
76 lines
2.1 KiB
Dart
76 lines
2.1 KiB
Dart
import 'dart:io';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:ocideck/services/marp_html_service.dart';
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/// Reads the vendored libraries straight from the repo (tests run at the root).
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Future<String> _diskLoader(String asset) => File(asset).readAsString();
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void main() {
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group('marpSlides', () {
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test('drops the YAML front-matter and splits on --- separators', () {
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const md = '''
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---
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marp: true
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theme: ocideck
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---
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# Slide one
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---
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## Slide two
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''';
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final slides = MarpHtmlService.marpSlides(md);
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expect(slides, hasLength(2));
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expect(slides[0], contains('# Slide one'));
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expect(slides[0], isNot(contains('marp: true')));
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expect(slides[1], contains('## Slide two'));
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});
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test('a deck without front-matter keeps every slide', () {
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final slides = MarpHtmlService.marpSlides(
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'# A\n\n---\n\n# B\n\n---\n\n# C',
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);
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expect(slides, hasLength(3));
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});
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});
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test('build() inlines the libraries and the slide content', () async {
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final service = MarpHtmlService(loadAsset: _diskLoader);
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const md = '''
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---
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marp: true
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---
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# Titel
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\$\$E=mc^2\$\$
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```dart
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void main() {}
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```
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''';
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final html = await service.build(md);
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expect(html, startsWith('<!doctype html>'));
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// Slide payload is embedded for the in-browser renderer.
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expect(html, contains('# Titel'));
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expect(html, contains(r'E=mc^2'));
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// Each engine is inlined (offline): marked, highlight.js, MathJax, mermaid.
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expect(html, contains('marked'));
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expect(html, contains('hljs'));
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expect(html, contains('MathJax'));
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expect(html, contains('mermaid'));
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// Everything is inlined: there must be no external <script src=...> tags.
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expect(html, isNot(contains('<script src')));
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});
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test('build() neutralises a closing-script breakout in content', () async {
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final service = MarpHtmlService(loadAsset: _diskLoader);
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final html = await service.build('# X\n\nfoo </script> bar');
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// The literal breakout must be escaped so it cannot terminate the payload.
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expect(html, isNot(contains('foo </script> bar')));
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expect(html, contains(r'<\/script'));
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});
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}
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