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Add GitHub Actions workflow for LaTeX/Beamer export tests
Add automated testing for LaTeX and Beamer exports using xu-cheng/latex-action. Tests compile PDFs for both Euler and Maxwell equations to validate export functionality end-to-end. New test files: - test-latex-export-maxwell.ts: LaTeX export test for Maxwell's equations - test-beamer-export-maxwell.ts: Beamer export test for Maxwell's equations GitHub Actions workflow: - .github/workflows/test-latex-beamer.yml - Triggers: Pull requests + push to main - Uses xu-cheng/latex-action@v4 (most popular LaTeX action, 4000+ repos) - Uses latexmk which automatically handles multiple passes for TikZ - Generates .tex files from TypeScript test scripts - Compiles 4 PDFs: * Euler LaTeX article * Euler Beamer presentation * Maxwell LaTeX article * Maxwell Beamer presentation - Uploads both .tex sources and .pdf outputs as artifacts - Artifacts available even if compilation fails (for debugging) - 30-day retention for artifacts Benefits: - Fast Docker-based LaTeX environment (~20-60 seconds) - Automatic caching of Docker images - No manual TeX Live installation needed - Validates export functionality on every PR - PDFs available for review as workflow artifacts 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
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‎.github/workflows/test-latex-beamer.yml‎

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name: Test LaTeX and Beamer Exports
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on:
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pull_request:
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push:
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branches: [main]
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jobs:
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test-latex-beamer:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Install pnpm
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uses: pnpm/action-setup@v4
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with:
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version: 10.19.0
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- name: Setup Node
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uses: actions/setup-node@v4
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with:
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node-version: 22
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cache: 'pnpm'
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- name: Install dependencies
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run: pnpm install
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- name: Generate LaTeX files
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run: |
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pnpm tsx test-latex-export-real.ts || true
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pnpm tsx test-beamer-export.ts || true
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pnpm tsx test-latex-export-maxwell.ts || true
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pnpm tsx test-beamer-export-maxwell.ts || true
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- name: Compile Euler LaTeX to PDF
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uses: xu-cheng/latex-action@v4
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with:
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root_file: /tmp/test-euler-export.tex
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working_directory: /tmp
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latexmk_use_lualatex: false
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continue-on-error: true
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- name: Compile Euler Beamer to PDF
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uses: xu-cheng/latex-action@v4
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with:
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root_file: /tmp/test-euler-beamer.tex
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working_directory: /tmp
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latexmk_use_lualatex: false
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continue-on-error: true
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- name: Compile Maxwell LaTeX to PDF
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uses: xu-cheng/latex-action@v4
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with:
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root_file: /tmp/test-maxwell.tex
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working_directory: /tmp
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latexmk_use_lualatex: false
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continue-on-error: true
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- name: Compile Maxwell Beamer to PDF
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uses: xu-cheng/latex-action@v4
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with:
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root_file: /tmp/test-maxwell-beamer.tex
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working_directory: /tmp
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latexmk_use_lualatex: false
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continue-on-error: true
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- name: Upload LaTeX artifacts
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uses: actions/upload-artifact@v4
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if: always()
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with:
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name: latex-outputs
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path: |
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/tmp/test-euler-export.tex
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/tmp/test-euler-export.pdf
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/tmp/test-euler-beamer.tex
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/tmp/test-euler-beamer.pdf
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/tmp/test-maxwell.tex
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/tmp/test-maxwell.pdf
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/tmp/test-maxwell-beamer.tex
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/tmp/test-maxwell-beamer.pdf
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if-no-files-found: warn
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retention-days: 30

‎test-beamer-export-maxwell.ts‎

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// Test Beamer export with Maxwell's equations
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import { parseContent } from './src/parser';
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import { exportToBeamer } from './src/exporter';
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import type { ColorScheme } from './src/exporter';
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import { writeFileSync, readFileSync } from 'fs';
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// Test color scheme
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const colorScheme: ColorScheme = {
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name: 'vibrant',
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colors: ['#e6194B', '#3cb44b', '#ffe119', '#4363d8', '#f58231', '#911eb4', '#46f0f0'],
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};
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async function testBeamerExport() {
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console.log('Testing Beamer export with Maxwell equations...\n');
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// Load Maxwell's equations
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const markdown = readFileSync('./public/examples/maxwell.md', 'utf-8');
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const parsed = await parseContent(markdown);
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console.log('✓ Content loaded successfully');
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console.log(` Title: ${parsed.title}`);
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console.log(` Terms: ${parsed.termOrder.join(', ')}`);
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console.log(` Definitions: ${parsed.definitions.size}\n`);
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// Generate Beamer export
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const beamer = exportToBeamer(parsed, colorScheme);
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console.log('✓ Beamer export generated successfully\n');
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// Validation checks
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const checks = [
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{ name: 'Document class', test: () => beamer.includes('\\documentclass{beamer}') },
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{ name: 'TikZ package', test: () => beamer.includes('\\usepackage{tikz}') },
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{ name: 'TikZ libraries', test: () => beamer.includes('\\usetikzlibrary{arrows,shapes}') },
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{ name: 'Remember picture style', test: () => beamer.includes('remember picture') },
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{ name: 'xcolor package', test: () => beamer.includes('\\usepackage{xcolor}') },
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{ name: 'Color definitions', test: () => beamer.includes('\\definecolor{term') },
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{ name: 'TikZ nodes in equation', test: () => beamer.includes('\\tikz[na] \\node[coordinate]') },
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{ name: 'Colored equation terms', test: () => beamer.includes('\\textcolor{term') },
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{ name: 'No \\htmlClass', test: () => !beamer.includes('\\htmlClass') },
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{ name: 'Title frame', test: () => beamer.includes('\\titlepage') },
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{ name: 'TikZ overlay', test: () => beamer.includes('\\begin{tikzpicture}[overlay]') },
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{ name: 'Equation not empty', test: () => {
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const eqMatch = beamer.match(/\\begin\{equation\*?\}(.+?)\\end\{equation\*?\}/s);
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return eqMatch && eqMatch[1].trim().length > 0;
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}},
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];
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let passed = 0;
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let failed = 0;
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checks.forEach((check) => {
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try {
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if (check.test()) {
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console.log(` ✓ ${check.name}`);
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passed++;
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} else {
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console.log(` ✗ ${check.name}`);
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failed++;
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}
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} catch (error) {
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console.log(` ✗ ${check.name} (error: ${error})`);
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failed++;
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}
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});
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console.log(`\n${passed}/${checks.length} checks passed\n`);
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// Write to file for manual inspection
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const outputPath = '/tmp/test-maxwell-beamer.tex';
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writeFileSync(outputPath, beamer);
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console.log(`Beamer output written to: ${outputPath}`);
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console.log('Compile with: pdflatex /tmp/test-maxwell-beamer.tex');
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console.log('Note: Run pdflatex TWICE for TikZ arrows to work correctly\n');
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// Show first few lines
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console.log('First 50 lines of Beamer output:');
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console.log('---');
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console.log(beamer.split('\n').slice(0, 50).join('\n'));
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console.log('...\n');
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if (failed > 0) {
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console.error(`❌ ${failed} checks failed`);
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process.exit(1);
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} else {
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console.log('✅ All checks passed!');
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}
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}
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testBeamerExport().catch((error) => {
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console.error('Test failed:', error);
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process.exit(1);
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});

‎test-latex-export-maxwell.ts‎

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// Test LaTeX export with Maxwell's equations
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import { parseContent } from './src/parser';
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import { exportToLaTeX } from './src/exporter';
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import type { ColorScheme } from './src/exporter';
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import { writeFileSync, readFileSync } from 'fs';
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// Test color scheme
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const colorScheme: ColorScheme = {
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name: 'viridis',
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colors: ['#440154', '#31688e', '#35b779', '#fde724', '#20908d', '#5ec962', '#3b528b'],
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};
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async function testLatexExport() {
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console.log('Testing LaTeX export with Maxwell equations...\n');
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// Load Maxwell's equations
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const markdown = readFileSync('./public/examples/maxwell.md', 'utf-8');
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const parsed = await parseContent(markdown);
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console.log('✓ Content loaded successfully');
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console.log(` Title: ${parsed.title}`);
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console.log(` Terms: ${parsed.termOrder.join(', ')}`);
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console.log(` Definitions: ${parsed.definitions.size}\n`);
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// Generate LaTeX export
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const latex = exportToLaTeX(parsed, colorScheme);
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console.log('✓ LaTeX export generated successfully\n');
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// Validation checks
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const checks = [
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{ name: 'Document class', test: () => latex.includes('\\documentclass{article}') },
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{ name: 'xcolor package', test: () => latex.includes('\\usepackage{xcolor}') },
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{ name: 'amsmath package', test: () => latex.includes('\\usepackage{amsmath}') },
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{ name: 'Color definitions exist', test: () => latex.includes('\\definecolor{term') },
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{ name: 'Colored equation terms', test: () => latex.includes('\\textcolor{term') },
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{ name: 'No \\htmlClass', test: () => !latex.includes('\\htmlClass') },
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{ name: 'Title present', test: () => latex.includes('Maxwell') },
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{ name: 'Description section', test: () => latex.includes('\\section*{Description}') },
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{ name: 'Definitions section', test: () => latex.includes('\\section*{Definitions}') },
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{ name: 'Document structure', test: () => latex.includes('\\begin{document}') && latex.includes('\\end{document}') },
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{ name: 'Equation environment', test: () => latex.includes('\\begin{equation}') && latex.includes('\\end{equation}') },
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{ name: 'Equation not empty', test: () => {
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const eqMatch = latex.match(/\\begin\{equation\}(.+?)\\end\{equation\}/s);
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return eqMatch && eqMatch[1].trim().length > 0;
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}},
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];
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let passed = 0;
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let failed = 0;
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checks.forEach((check) => {
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try {
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if (check.test()) {
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console.log(` ✓ ${check.name}`);
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passed++;
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} else {
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console.log(` ✗ ${check.name}`);
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failed++;
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}
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} catch (error) {
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console.log(` ✗ ${check.name} (error: ${error})`);
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failed++;
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}
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});
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console.log(`\n${passed}/${checks.length} checks passed\n`);
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// Write to file for manual inspection
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const outputPath = '/tmp/test-maxwell.tex';
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writeFileSync(outputPath, latex);
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console.log(`LaTeX output written to: ${outputPath}`);
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console.log('You can compile it with: pdflatex /tmp/test-maxwell.tex\n');
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// Show first few lines
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console.log('First 40 lines of LaTeX output:');
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console.log('---');
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console.log(latex.split('\n').slice(0, 40).join('\n'));
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console.log('...\n');
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if (failed > 0) {
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console.error(`❌ ${failed} checks failed`);
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process.exit(1);
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} else {
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console.log('✅ All checks passed!');
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}
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}
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testLatexExport().catch((error) => {
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console.error('Test failed:', error);
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process.exit(1);
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});

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