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* Component-based HTML generation utilities\n */\n\nexport interface HTMLComponent {\n tag: string;\n attributes?: Record;\n children?: (string | HTMLComponent)[];\n content?: string;\n}\n\n/**\n * Render an HTML component to string\n */\nexport function renderComponent(component: HTMLComponent): string {\n const { tag, attributes = {}, children = [], content = \"\" } = component;\n \n // Build attributes string\n const attrs = Object.entries(attributes)\n .map(([key, value]) => `${key}=\"${value}\"`)\n .join(\" \");\n \n const attrString = attrs ? ` ${attrs}` : \"\";\n \n // Self-closing tags\n const selfClosing = [\"img\", \"br\", \"hr\", \"input\", \"meta\", \"link\"];\n if (selfClosing.includes(tag)) {\n return `<${tag}${attrString} />`;\n }\n \n // Render children\n const childrenHTML = children\n .map(child => typeof child === \"string\" ? child : renderComponent(child))\n .join(\"\");\n \n return `<${tag}${attrString}>${content}${childrenHTML}`;\n}\n\n/**\n * Create common HTML components\n */\nexport const HTML = {\n div: (attributes?: Record, children?: (string | HTMLComponent)[]): HTMLComponent => ({\n tag: \"div\",\n attributes,\n children\n }),\n \n h1: (content: string, attributes?: Record): HTMLComponent => ({\n tag: \"h1\",\n content,\n attributes\n }),\n \n h2: (content: string, attributes?: Record): HTMLComponent => ({\n tag: \"h2\",\n content,\n attributes\n }),\n \n p: (content: string, attributes?: Record): HTMLComponent => ({\n tag: \"p\",\n content,\n attributes\n }),\n \n a: (content: string, href: string, attributes?: Record): HTMLComponent => ({\n tag: \"a\",\n content,\n attributes: { href, ...attributes }\n }),\n \n button: (content: string, attributes?: Record): HTMLComponent => ({\n tag: \"button\",\n content,\n attributes\n }),\n \n input: (type: string, attributes?: Record): HTMLComponent => ({\n tag: \"input\",\n attributes: { type, ...attributes }\n }),\n \n img: (src: string, alt: string, attributes?: Record): HTMLComponent => ({\n tag: \"img\",\n attributes: { src, alt, ...attributes }\n }),\n \n ul: (children: HTMLComponent[], attributes?: Record): HTMLComponent => ({\n tag: \"ul\",\n attributes,\n children\n }),\n \n li: (content: string, attributes?: Record): HTMLComponent => ({\n tag: \"li\",\n content,\n attributes\n }),\n \n form: (children: HTMLComponent[], attributes?: Record): HTMLComponent => ({\n tag: \"form\",\n attributes,\n children\n }),\n \n label: (content: string, attributes?: Record): HTMLComponent => ({\n tag: \"label\",\n content,\n attributes\n }),\n \n textarea: (attributes?: Record): HTMLComponent => ({\n tag: \"textarea\",\n attributes\n }),\n \n select: (children: HTMLComponent[], attributes?: Record): HTMLComponent => ({\n tag: \"select\",\n attributes,\n children\n }),\n \n option: (content: string, value: string, attributes?: Record): HTMLComponent => ({\n tag: \"option\",\n content,\n attributes: { value, ...attributes }\n })\n};\n\n/**\n * Create a complete HTML document\n */\nexport function createDocument(options: {\n title: string;\n body: HTMLComponent[];\n head?: HTMLComponent[];\n lang?: string;\n}): string {\n const { title, body, head = [], lang = \"en\" } = options;\n \n const document: HTMLComponent = {\n tag: \"html\",\n attributes: { lang },\n children: [\n {\n tag: \"head\",\n children: [\n { tag: \"meta\", attributes: { charset: \"UTF-8\" } },\n { tag: \"meta\", attributes: { name: \"viewport\", content: \"width=device-width, initial-scale=1.0\" } },\n { tag: \"title\", content: title },\n { tag: \"script\", attributes: { src: \"https://cdn.twind.style\", crossorigin: \"\" } },\n ...head\n ]\n },\n {\n tag: \"body\",\n attributes: { class: \"bg-gray-50 min-h-screen\" },\n children: body\n }\n ]\n };\n \n return 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\"https://esm.sh/hono@3.11.7\";\nimport { serveFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\nimport { createHTMLDownload, generatePage, minifyHTML, renderTemplate } from \"./utils/html.ts\";\n\nconst app = new Hono();\n\n// Unwrap Hono errors to see original error details\napp.onError((err, c) => {\n throw err;\n});\n\n// Example: Generate a simple page\napp.get(\"/\", async (c) => {\n const html = await generatePage({\n title: \"HTML Export Demo\",\n content: ``,\n });\n\n return c.html(html);\n});\n\nexport default app.fetch;","children",[],[68],"3348ecaa-3bba-11f0-8e23-9e149126039e","README.md","3348ed4a-3bba-11f0-8e23-9e149126039e",["D",1748433135882],"# HTML Export System\n\nA comprehensive HTML generation and export system for Val Town with multiple approaches for different use cases.\n\n## Features\n\n- 🎨 **Template-based HTML generation** with variable substitution\n- 🧩 **Component-based HTML building** for programmatic generation\n- 📱 **Responsive design** with TailwindCSS integration\n- ⚛️ **React app export** support\n- 📦 **Minification** for optimized output\n- 💾 **Direct download** functionality\n- 🎯 **Custom styling** and scripting options\n\n## Quick Start\n\nVisit the main endpoint to see available export options:\n- `/` - Main dashboard with export options\n- `/export/simple` - Download a simple HTML page\n- `/export/react` - Download a React application\n- `/export/custom` - Form to create custom HTML exports\n\n## Usage Examples\n\n### Template-Based Generation\n\n```typescript\nimport { renderTemplate, generatePage } from \"./utils/html.ts\";\n\n// Using templates\nconst html = await renderTemplate(\"/templates/base.html\", {\n title: \"My Page\",\n content: \"

Hello World

\",\n scripts: \"\"\n});\n\n// Using the page generator\nconst page = await generatePage({\n title: \"My App\",\n content: \"

Content here

\",\n includeReact: true,\n customCSS: \"body { background: #f0f0f0; }\"\n});\n```\n\n### Component-Based Generation\n\n```typescript\nimport { HTML, renderComponent, createDocument } from \"./components/html.ts\";\n\n// Build components\nconst header = HTML.h1(\"Welcome\", { class: \"text-3xl font-bold\" });\nconst paragraph = HTML.p(\"This is a paragraph\", { class: \"text-gray-600\" });\nconst button = HTML.button(\"Click me\", { \n class: \"bg-blue-500 text-white px-4 py-2 rounded\",\n onclick: \"alert('Hello!')\"\n});\n\n// Create complete document\nconst html = createDocument({\n title: \"Component Example\",\n body: [\n HTML.div({ class: \"container mx-auto p-8\" }, [\n header,\n paragraph,\n button\n ])\n ]\n});\n```\n\n### Export with Download\n\n```typescript\nimport { createHTMLDownload, minifyHTML } from \"./utils/html.ts\";\n\n// Create downloadable response\nconst html = await generatePage({\n title: \"Export Example\",\n content: \"

Downloaded Content

\"\n});\n\nreturn createHTMLDownload(minifyHTML(html), \"my-export.html\");\n```\n\n## File Structure\n\n```\n├── main.tsx # HTTP val with export endpoints\n├── templates/\n│ └── base.html # Base HTML template\n├── utils/\n│ └── html.ts # Template utilities\n├── components/\n│ └── html.ts # Component-based HTML generation\n└── README.md # This file\n```\n\n## API Endpoints\n\n### GET `/`\nMain dashboard showing available export options.\n\n### GET `/export/simple`\nDownloads a simple HTML page with current timestamp.\n\n### GET `/export/react`\nDownloads a React counter application as a standalone HTML file.\n\n### GET `/export/custom`\nShows a form for creating custom HTML exports.\n\n### POST `/export/custom`\nProcesses form data and generates custom HTML download.\n\n**Form Parameters:**\n- `title` - Page title\n- `content` - HTML content\n- `includeStyles` - Whether to include custom CSS\n\n## Template Variables\n\nThe base template supports these variables:\n- `{{title}}` - Page title\n- `{{head}}` - Additional head content\n- `{{content}}` - Main page content \n- `{{scripts}}` - JavaScript content\n\n## Customization\n\n### Adding New Templates\n\n1. Create a new HTML file in `/templates/`\n2. Use `{{variable}}` syntax for dynamic content\n3. Load with `renderTemplate()`\n\n### Custom Components\n\nExtend the `HTML` object in `/components/html.ts`:\n\n```typescript\nexport const HTML = {\n // ... existing components\n \n customCard: (title: string, content: string): HTMLComponent => ({\n tag: \"div\",\n attributes: { class: \"bg-white p-6 rounded-lg shadow\" },\n children: [\n HTML.h3(title, { class: \"text-lg font-semibold mb-2\" }),\n HTML.p(content, { class: \"text-gray-600\" })\n ]\n })\n};\n```\n\n## Best Practices\n\n1. **Use templates** for consistent layouts\n2. **Minify HTML** for production exports\n3. **Pin React versions** when including React\n4. **Validate user input** in custom exports\n5. **Use semantic HTML** for accessibility\n6. **Include meta tags** for proper rendering\n\n## Troubleshooting\n\n- **Template not found**: Ensure template files exist in `/templates/`\n- **React not loading**: Check that versions are pinned to 18.2.0\n- **Styles not applying**: Verify TailwindCSS script is included\n- **Download not working**: Check Content-Disposition headers",[],[79],"087a1562-3bba-11f0-953e-9e149126039e","utils","4fb1fbdc-ab43-4753-b8fc-588d7e249ad4",3,["D",1748433064060],[92],[86],{"_34":93,"_13":36,"_37":94,"_39":87,"_41":42,"_43":88,"_45":46,"_47":95,"_17":49,"_50":51,"_52":96,"_54":55,"_56":-5,"_75":97,"_18":98},"0879f118-3bba-11f0-953e-9e149126039e","0879f1cc-3bba-11f0-953e-9e149126039e",["D",1748433064060],"import { readFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\n\ninterface TemplateData {\n title?: string;\n head?: string;\n content: string;\n scripts?: string;\n}\n\n/**\n * Render HTML using a template with variable substitution\n */\nexport async function renderTemplate(templatePath: string, data: TemplateData): Promise {\n let html = await readFile(templatePath, import.meta.url);\n \n // Default values\n const templateData = {\n title: \"My App\",\n head: \"\",\n scripts: \"\",\n ...data\n };\n \n // Replace template variables\n for (const [key, value] of Object.entries(templateData)) {\n const placeholder = `{{${key}}}`;\n html = html.replaceAll(placeholder, value || \"\");\n }\n \n return html;\n}\n\n/**\n * Generate a complete HTML page with common patterns\n */\nexport async function generatePage(options: {\n title: string;\n content: string;\n includeReact?: boolean;\n customCSS?: string;\n customJS?: string;\n}): Promise {\n const { title, content, includeReact = false, customCSS = \"\", customJS = \"\" } = options;\n \n let head = customCSS ? `` : \"\";\n let scripts = customJS ? `` : \"\";\n \n if (includeReact) {\n head += `\n `;\n }\n \n return renderTemplate(\"/templates/base.html\", {\n title,\n head,\n content,\n scripts\n });\n}\n\n/**\n * Create a downloadable HTML file response\n */\nexport function createHTMLDownload(html: string, filename: string = \"export.html\"): Response {\n return new Response(html, {\n headers: {\n \"Content-Type\": \"text/html\",\n \"Content-Disposition\": `attachment; filename=\"${filename}\"`\n }\n });\n}\n\n/**\n * Minify HTML by removing unnecessary whitespace\n */\nexport function minifyHTML(html: string): string {\n return html\n .replace(/\\s+/g, ' ')\n .replace(/>\\s+<')\n .trim();\n}",[],[86,36],"018e8d64-3bba-11f0-97d3-9e149126039e","templates","8b593ea4-ed59-4dae-8465-cd7c7a30313e",2,["D",1748433052449],[106],[100],{"_34":107,"_13":108,"_37":109,"_39":101,"_41":42,"_43":110,"_45":46,"_47":111,"_17":112,"_50":24,"_52":113,"_54":55,"_56":-5,"_75":114,"_18":115},"c57fc2f6-3bba-11f0-8229-9e149126039e","base.html","018e55c4-3bba-11f0-97d3-9e149126039e",8,["D",1748433381184],1,"\n \n \n \n Pixelated 3D Scene with Leva\n \n \n \n \n

\n \n

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