Likes Tracking API

A cross-origin API service that tracks likes using unique IDs.

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Features

Simple ID-based tracking – Use any unique identifier (blog posts, products, comments, etc.)
Embeddable widget – Drop-in script that creates beautiful like buttons
Real-time updates – Like counts update instantly across all websites
CORS enabled – Works from any website or domain
SQLite storage – Reliable, persistent data storage

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Quick Start

1. Add the script to your page

<script src=\"https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/script.js\"></script>

2. Add a likes widget anywhere on your page

<div data-likes-id=\"your-unique-id\">\n  <button class=\"likes-button\">❤️ <span class=\"likes-count\">0</span></button>\n</div>

💡 Customize the emoji: Change ❤️ to any emoji you want: 👍 🎉 🚀 ⭐ 🎯 🏆 🎊 🎈 🎁

3. Done!

Loads current like count automatically
Handles button clicks to record likes
Updates count in real-time
Supports multiple IDs on one page

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API Endpoints

POST /api/like

Record a like for a specific ID:

{\n  \"id\": \"life-universe-everything\"\n}

Returns:

{\n  \"success\": true,\n  \"id\": \"life-universe-everything\",\n  \"likeCount\": 42\n}

GET /api/likes/:id

Get like count for a specific ID:

GET /api/likes/post-123

Returns:

{\n  \"id\": \"post-123\",\n  \"likeCount\": 42\n}

GET /api/likes

Get total likes across all IDs (for fun)

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Use Cases

Blog posts: Use post IDs like \"post-123\" or \"2024-01-15-intro\"
Products: Use product IDs like \"product-abc\" or \"laptop-xps-13\"
Comments: Use comment IDs like \"comment-456\" or \"reply-789\"
Custom: Any unique identifier you want to track likes for!

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Example Usage

Basic like tracking

// Get current likes for a post\nfetch('https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/likes/post-123')\n  .then(res => res.json())\n  .then(data => {\n    document.querySelector('.likes-count').textContent = data.likeCount;\n  });\n\n// Record a like\nfetch('https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/like', {\n  method: 'POST',\n  headers: { 'Content-Type': 'application/json' },\n  body: JSON.stringify({ id: 'post-123' })\n})\n.then(res => res.json())\n.then(data => {\n  // Update the likes count\n});

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Demo

Test the API endpoints with your own ID:

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\n Content ID:\n \n

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Live Examples

These use the exact same code you'll embed on your site:

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Default heart emoji:

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Custom emoji:

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Click any button to test! Each uses the emoji you specify in your HTML.

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Implement it yourself

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Basic like tracking

// Get current likes for a post\nfetch('https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/likes/post-123')\n  .then(res => res.json())\n  .then(data => {\n    document.querySelector('.likes-count').textContent = data.likeCount;\n  });\n\n// Record a like\nfetch('https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/like', {\n  method: 'POST',\n  headers: { 'Content-Type': 'application/json' },\n  body: JSON.stringify({ id: 'post-123' })\n})\n.then(res => res.json())\n.then(data => {\n  document.querySelector('.likes-count').textContent = data.likeCount;\n});

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Dynamic ID from page content

// Get the post ID from your page (could be from URL, data attribute, etc.)\nconst postId = document.querySelector('[data-post-id]').dataset.postId;\n// or const postId = window.location.pathname.split('/').pop();\n\n// Get likes for this specific post\nfetch(\\`https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/likes/\\${postId}\\`)\n  .then(res => res.json())\n  .then(data => {\n    document.querySelector('.likes-count').textContent = data.likeCount;\n  });\n\n// Record a like for this post\nfetch('https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/like', {\n  method: 'POST',\n  headers: { 'Content-Type': 'application/json' },\n  body: JSON.stringify({ id: postId })\n})\n.then(res => res.json())\n.then(data => {\n  document.querySelector('.likes-count').textContent = data.likeCount;\n});

\n\n \n\n\n","label",[300,82],"frontend","pulls","branches","forks","envVars",{"_308":54,"_310":26},"connections",{"_308":26,"_309":26},"count","unfilledCount","emptyCount",{"_47":426,"_13":425,"_80":419,"_57":-5,"_49":50,"_293":381,"_294":219,"_51":427,"_53":26,"_83":398,"_296":-5,"_84":24,"_298":-5,"_331":428,"_17":429},{"_47":416,"_13":417,"_80":418,"_57":419,"_49":50,"_293":420,"_294":219,"_51":421,"_53":381,"_83":21,"_296":422,"_84":24,"_298":-5,"_331":423,"_17":424},{"_47":412,"_13":411,"_80":404,"_57":-5,"_49":50,"_293":54,"_294":219,"_51":413,"_53":26,"_83":398,"_296":-5,"_84":24,"_298":-5,"_331":414,"_17":415},{"_47":401,"_13":402,"_80":403,"_57":404,"_49":50,"_293":405,"_294":219,"_51":406,"_53":407,"_83":339,"_296":408,"_84":24,"_298":-5,"_331":409,"_17":410},{"_47":396,"_13":300,"_80":292,"_57":-5,"_49":50,"_293":54,"_294":219,"_51":397,"_53":26,"_83":398,"_296":-5,"_84":24,"_298":-5,"_331":399,"_17":400},{"_47":291,"_13":82,"_80":81,"_57":292,"_49":50,"_293":200,"_294":219,"_51":393,"_53":90,"_83":21,"_296":297,"_84":24,"_298":-5,"_331":394,"_17":395},{"_47":385,"_13":386,"_80":387,"_57":-5,"_49":50,"_293":388,"_294":219,"_51":389,"_53":26,"_83":21,"_296":390,"_84":24,"_298":-5,"_331":391,"_17":392},{"_47":376,"_13":377,"_80":378,"_57":-5,"_49":50,"_293":379,"_294":219,"_51":380,"_53":381,"_83":21,"_296":382,"_84":24,"_298":-5,"_331":383,"_17":384},{"_47":368,"_13":369,"_80":370,"_57":-5,"_49":50,"_293":371,"_294":219,"_51":372,"_53":26,"_83":21,"_296":373,"_84":24,"_298":-5,"_331":374,"_17":375},{"_47":359,"_13":360,"_80":361,"_57":-5,"_49":50,"_293":362,"_294":219,"_51":363,"_53":364,"_83":21,"_296":365,"_84":24,"_298":-5,"_331":366,"_17":367},{"_47":351,"_13":352,"_80":353,"_57":-5,"_49":50,"_293":354,"_294":219,"_51":355,"_53":54,"_83":21,"_296":356,"_84":24,"_298":-5,"_331":357,"_17":358},{"_47":343,"_13":344,"_80":217,"_57":-5,"_49":50,"_293":345,"_294":219,"_51":346,"_53":338,"_83":347,"_296":348,"_84":24,"_298":-5,"_331":349,"_17":350},{"_47":334,"_13":335,"_80":336,"_57":-5,"_49":50,"_293":242,"_294":219,"_51":337,"_53":338,"_83":339,"_296":340,"_84":24,"_298":-5,"_331":341,"_17":342},{"_47":325,"_13":326,"_80":327,"_57":-5,"_49":50,"_293":328,"_294":219,"_51":329,"_53":54,"_83":21,"_296":330,"_84":24,"_298":-5,"_331":332,"_17":333},"a33b83aa-7798-11f0-8a77-0224a6c84d84","test-embed.html","6fd61bd0-7615-11f0-941b-0224a6c84d84",33,["D",1755015790557],"\n\n\n Test Embed\n \n \n \n\n\n

Test Embeddable Likes Script

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New Glassmorphism Style (Auto-generated)

These components are automatically created by the script with the new glassmorphism styling:

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Tech Article

This is a sample blog post about the latest technology trends.

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Cooking Recipe

Learn how to make the perfect pasta with this simple recipe.

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Legacy Support (Old Structure)

The script automatically converts old structure to new styling:

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Product Review

This product is amazing! Here's my detailed review...

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Multiple Components

Test multiple like buttons on the same page:

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\n\n \n \n\n","children",[],[326],"d4b55268-9024-11f0-a46d-0224a6c84d84","script.js","6fd0d788-7615-11f0-a5ba-0224a6c84d84",["D",1757714831017],8,"script","(function() {\n 'use strict';\n \n // Get the current script's src to determine API base URL\n const currentScript = document.currentScript;\n const API_BASE_URL = currentScript ? currentScript.src.replace('/script.js', '') : '';\n \n // Inject CSS styles into the document\n function injectStyles() {\n if (document.getElementById('likes-tracker-styles')) return;\n \n const style = document.createElement('style');\n style.id = 'likes-tracker-styles';\n style.textContent = `\n /* Like Component Styles */\n .like-component {\n margin: 20px 0;\n display: flex;\n justify-content: center;\n opacity: 0;\n animation: fadeInButton 0.3s ease-out 0.8s forwards;\n }\n\n .like-button {\n background: rgba(255, 255, 255, 0.95);\n border: 1px solid rgba(0, 0, 0, 0.1);\n border-radius: 40px;\n padding: 8px 12px;\n display: flex;\n align-items: center;\n gap: 6px;\n cursor: pointer;\n transition: all 0.2s ease;\n font-family: 'Arial', sans-serif;\n box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n backdrop-filter: blur(8px);\n }\n\n .like-button:hover {\n background: rgba(255, 255, 255, 1);\n border-color: rgba(0, 0, 0, 0.15);\n transform: translateY(-1px);\n box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);\n }\n\n .like-button:active {\n transform: translateY(0);\n box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);\n }\n\n .like-button.liked {\n animation: buttonPulse 0.6s ease;\n }\n\n .likes-count {\n color: rgba(55, 65, 81, 0.9);\n font-size: 14px;\n font-weight: 600;\n min-width: 18px;\n text-align: center;\n }\n\n @keyframes buttonPulse {\n 0% { transform: opacity(1); }\n 50% { transform: opacity(0.8); }\n 100% { transform: scale(1); }\n }\n \n @keyframes fadeInButton {\n from { opacity: 0; }\n to { opacity: 1; }\n }\n `;\n \n document.head.appendChild(style);\n }\n \n // Initialize likes tracking when DOM is ready\n function initLikesTracking() {\n // Inject styles first\n injectStyles();\n \n // Find all like containers\n const likeContainers = document.querySelectorAll('[data-likes-id]');\n \n likeContainers.forEach(container => {\n const id = container.getAttribute('data-likes-id');\n if (!id) return;\n \n // Get existing elements\n const likeButton = container.querySelector('.likes-button');\n const countDisplay = container.querySelector('.likes-count');\n \n if (!likeButton || !countDisplay) {\n console.warn('Missing required elements in likes container:', container);\n return;\n }\n \n // Add like-component class to container\n container.classList.add('like-component');\n \n // Add like-button class to the button for styling\n likeButton.classList.add('like-button');\n \n // Load initial like count\n loadLikeCount(id, countDisplay);\n \n // Add click handler to like button\n likeButton.addEventListener('click', function(e) {\n e.preventDefault();\n recordLike(id, countDisplay, likeButton);\n });\n });\n }\n \n // Load like count for a specific ID\n async function loadLikeCount(id, countDisplay) {\n try {\n const response = await fetch(`${API_BASE_URL}/api/likes/${encodeURIComponent(id)}`);\n const data = await response.json();\n \n if (response.ok) {\n countDisplay.textContent = data.likeCount;\n } else {\n console.error('Failed to load likes:', data.error);\n countDisplay.textContent = '0';\n }\n } catch (error) {\n console.error('Error loading likes:', error);\n countDisplay.textContent = '0';\n }\n }\n \n // Record a like for a specific ID\n async function recordLike(id, countDisplay, button) {\n // Disable button temporarily\n button.disabled = true;\n \n // Add liked class for pulse animation\n button.classList.add('liked');\n \n try {\n const response = await fetch(`${API_BASE_URL}/api/like`, {\n method: 'POST',\n headers: { 'Content-Type': 'application/json' },\n body: JSON.stringify({ id: id })\n });\n \n const data = await response.json();\n \n if (response.ok && data.success) {\n countDisplay.textContent = data.likeCount;\n } else {\n console.error('Failed to record like:', data.error);\n }\n } catch (error) {\n console.error('Error recording like:', error);\n } finally {\n // Re-enable button after animation\n setTimeout(() => {\n button.disabled = false;\n button.classList.remove('liked');\n }, 600);\n }\n }\n \n \n // Initialize when DOM is ready\n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', initLikesTracking);\n } else {\n initLikesTracking();\n }\n \n // Export for manual initialization if needed\n globalThis.LikesTracker = {\n init: initLikesTracking,\n loadCount: loadLikeCount,\n recordLike: recordLike\n };\n})();",[],[335],"e44119a2-7b01-11f0-9575-0224a6c84d84","index.ts",52,["D",1755390850307],"http","import { Hono } from \"https://esm.sh/hono@3.12.6\";\nimport { cors } from \"https://esm.sh/hono@3.12.6/cors\";\nimport { readFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\nimport {\n getAllLikes,\n getLikeCount,\n getTotalLikes,\n initDatabase,\n recordLike,\n} from \"./backend/database.ts\";\n\nconst app = new Hono();\n\n// Enable CORS for cross-origin requests from websites\napp.use(\n \"*\",\n cors({\n origin: \"*\", // Allow requests from any origin\n allowMethods: [\"GET\", \"POST\", \"OPTIONS\"],\n allowHeaders: [\"Content-Type\"],\n }),\n);\n\n// Unwrap Hono errors to see original error details\napp.onError((err, _c) => {\n throw err;\n});\n\nawait initDatabase();\n\n// Add a like\napp.post(\"/api/like\", async (c) => {\n try {\n const body = await c.req.json();\n const { id } = body;\n\n if (!id) {\n return c.json({ error: \"ID is required\" }, 400);\n }\n\n // Record the like and get the updated count\n const likeCount = await recordLike(id);\n\n return c.json({\n success: true,\n id,\n likeCount,\n });\n } catch (error) {\n console.error(\"Error recording like:\", error);\n return c.json({ error: \"Failed to record like\" }, 500);\n }\n});\n\n// Get like count for a specific ID\napp.get(\"/api/likes/:id\", async (c) => {\n const id = c.req.param(\"id\");\n\n const likeCount = await getLikeCount(id);\n\n return c.json({\n id,\n likeCount,\n });\n});\n\n// Get total likes across all IDs (for fun)\napp.get(\"/api/likes\", async (c) => {\n const likes = await getAllLikes();\n const totalLikes = await getTotalLikes();\n\n return c.json({\n likes,\n totalLikes,\n });\n});\n\n// Serve the embeddable JavaScript script\napp.get(\"/script.js\", async (c) => {\n try {\n const script = await readFile(\"/script.js\", import.meta.url);\n c.header(\"Content-Type\", \"application/javascript\");\n c.header(\"Cache-Control\", \"public, max-age=3600\"); // Cache for 1 hour\n return c.text(script);\n } catch (error) {\n console.error(\"Error reading script file:\", error);\n return c.json({ error: \"Script not available\" }, 500);\n }\n});\n\n// Serve the frontend HTML\napp.get(\"/\", async (c) => {\n try {\n const html = await readFile(\"/frontend/index.html\", import.meta.url);\n return c.html(html);\n } catch (error) {\n console.error(\"Error reading frontend file:\", error);\n return c.json({ error: \"Frontend not available\" }, 500);\n }\n});\n\n// This is the entry point for HTTP vals\nexport default app.fetch;\n",[],[344],"8e077adc-7605-11f0-9b82-0224a6c84d84","deno.json","63a00cec-7604-11f0-abe9-0224a6c84d84",11,["D",1754842667790],"{\n \"$schema\": \"https://raw.githubusercontent.com/denoland/deno/348900b8b79f4a434cab4c74b3bc8d4d2fa8ee74/cli/schemas/config-file.v1.json\",\n \"lock\": false,\n \"compilerOptions\": {\n \"noImplicitAny\": false,\n \"strict\": false,\n \"types\": [\n \"https://www.val.town/types/valtown.d.ts\"\n ],\n \"lib\": [\n \"dom\",\n \"dom.iterable\",\n \"dom.asynciterable\",\n \"deno.ns\",\n \"deno.unstable\"\n ]\n },\n \"lint\": {\n \"files\": {\n \"include\": [\n \"deno:/https/esm.town/**/*\"\n ]\n },\n \"rules\": {\n \"exclude\": [\n \"no-explicit-any\"\n ]\n }\n },\n \"node_modules_dir\": false,\n \"experimental\": {\n \"unstable-node-globals\": true,\n \"unstable-temporal\": true,\n \"unstable-worker-options\": true,\n \"unstable-sloppy-imports\": true\n }\n}\n",[],[352],"e444905a-7b01-11f0-8a65-0224a6c84d84","README.md","019894a5-14b4-7659-ac14-2cf36cf66d99",53,["D",1755390850313],6,"# Likes Tracking API\n\nA cross-origin API service that tracks likes using unique IDs.\n\n## Features\n\n- **Simple ID-based tracking** - Use any unique identifier (blog posts, products, comments, etc.)\n- **Embeddable widget** - Drop-in script that creates beautiful like buttons\n- **Real-time updates** - Like counts update instantly across all websites\n- **CORS enabled** - Works from any website or domain\n- **SQLite storage** - Reliable, persistent data storage\n\n## Quick Start\n\n### 1. Add the script to your page\n```html\n\n```\n\n### 2. Add a likes widget anywhere on your page\n```html\n

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\n```\n\n**💡 Customize the emoji:** Change ❤️ to any emoji you want: 👍 🎉 🚀 ⭐ 🎯 🏆 🎊 🎈 🎁\n\n### 3. Done!\n- Loads current like count automatically\n- Handles button clicks to record likes\n- Updates count in real-time\n- Supports multiple IDs on one page\n\n## API Endpoints\n\n### POST /api/like\n\nRecord a like for a specific ID:\n\n```json\n{\n \"id\": \"life-universe-everything\"\n}\n```\n\nReturns:\n```json\n{ \n \"success\": true, \n \"id\": \"life-universe-everything\", \n \"likeCount\": 42 \n}\n```\n\n### GET /api/likes/:id\n\nGet like count for a specific ID:\n\n```\nGET /api/likes/post-123\n```\n\nReturns:\n```json\n{ \n \"id\": \"post-123\", \n \"likeCount\": 42 \n}\n```\n\n### GET /api/likes\n\nGet total likes across all IDs (for fun)\n\n## Use Cases\n\n- **Blog posts**: Use post IDs like \"post-123\" or \"2024-01-15-intro\"\n- **Products**: Use product IDs like \"product-abc\" or \"laptop-xps-13\"\n- **Comments**: Use comment IDs like \"comment-456\" or \"reply-789\"\n- **Custom**: Any unique identifier you want to track likes for!\n\n## Example Usage\n\n### Basic like tracking\n```javascript\n// Get current likes for a post\nfetch('https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/likes/post-123')\n .then(res => res.json())\n .then(data => {\n document.querySelector('.likes-count').textContent = data.likeCount;\n });\n\n// Record a like\nfetch('https://jamesllllllllll--019894a514b47659ac14319f8b619533.web.val.run/api/like', {\n method: 'POST',\n headers: { 'Content-Type': 'application/json' },\n body: JSON.stringify({ id: 'post-123' })\n})\n.then(res => res.json())\n.then(data => {\n // Update the likes count\n});\n```\n\n## Project Structure\n\n```\n├── backend/\n│ └── database.ts # SQLite database setup and queries\n├── frontend/\n│ └── index.html # Documentation & demo\n├── script.js # Embeddable likes widget script\n├── index.ts # Main HTTP handler using Hono\n└── README.md # This file\n```",[],[360],"8e0bfc88-7605-11f0-b500-0224a6c84d84","PAGE_LIKES_DOCUMENTATION.md","8e0bfd5a-7605-11f0-b500-0224a6c84d84",12,["D",1754842667810],"# Getting Page Likes on Page Load\n\nThis documentation covers how to retrieve and display like counts when pages\nload, supporting both website-wide and page-specific likes.\n\n## API Endpoint\n\n```\nGET /api/likes/:website[?pageUrl=path]\n```\n\n### Parameters\n\n- `:website` (required) - The website domain (e.g., `mysite.com`)\n- `pageUrl` (optional query parameter) - Specific page path (e.g.,\n `/blog/article-1`)\n\n## Usage Examples\n\n### Website-Wide Likes\n\nGet the total number of likes for an entire website:\n\n```javascript\n// Basic implementation\nfetch(\"https://your-val-url.val.run/api/likes/mysite.com\")\n .then((response) => response.json())\n .then((data) => {\n console.log(`Website likes: ${data.likeCount}`);\n document.getElementById(\"site-likes\").textContent = data.likeCount;\n })\n .catch((error) => console.error(\"Error fetching likes:\", error));\n```\n\n### Page-Specific Likes\n\nGet likes for the current page:\n\n```javascript\n// Get likes for current page using window.location.pathname\nconst website = \"mysite.com\";\nconst currentPage = window.location.pathname;\n\nfetch(\n `https://your-val-url.val.run/api/likes/${website}?pageUrl=${currentPage}`,\n)\n .then((response) => response.json())\n .then((data) => {\n console.log(`Page likes: ${data.likeCount}`);\n document.getElementById(\"page-likes\").textContent = data.likeCount;\n })\n .catch((error) => console.error(\"Error fetching page likes:\", error));\n```\n\n### Complete Page Implementation\n\nHere's a complete example that loads and displays page likes:\n\n```html\n\n\n \n My Article\n \n \n \n

My Article

Article content here...

\n\n

\n \n 0\n

\n\n \n \n\n```\n\n## Response Format\n\n### Successful Response\n\n```json\n{\n \"website\": \"mysite.com\",\n \"pageUrl\": \"/blog/article-1\",\n \"likeCount\": 42\n}\n```\n\n- `website`: The website domain\n- `pageUrl`: The specific page path (null if requesting website-wide likes)\n- `likeCount`: Current number of likes (0 if no likes yet)\n\n## Advanced Usage\n\n### Multiple Pages with Different Counters\n\n```javascript\n// Load likes for multiple pages\nconst pages = [\"/home\", \"/about\", \"/blog/post-1\"];\nconst website = \"mysite.com\";\n\npages.forEach(async (page) => {\n const response = await fetch(\n `${API_BASE}/api/likes/${website}?pageUrl=${page}`,\n );\n const data = await response.json();\n\n // Update specific counter for each page\n const counter = document.querySelector(`[data-page=\"${page}\"] .like-count`);\n if (counter) counter.textContent = data.likeCount;\n});\n```\n\n### Combining Website and Page Likes\n\n```javascript\nasync function loadAllLikes() {\n const website = \"mysite.com\";\n const currentPage = window.location.pathname;\n\n // Load both website-wide and page-specific likes\n const [websiteResponse, pageResponse] = await Promise.all([\n fetch(`${API_BASE}/api/likes/${website}`),\n fetch(`${API_BASE}/api/likes/${website}?pageUrl=${currentPage}`),\n ]);\n\n const websiteData = await websiteResponse.json();\n const pageData = await pageResponse.json();\n\n document.getElementById(\"website-likes\").textContent = websiteData.likeCount;\n document.getElementById(\"page-likes\").textContent = pageData.likeCount;\n}\n```\n\n## Error Handling\n\nAlways include proper error handling:\n\n```javascript\nasync function getLikes(website, pageUrl = null) {\n try {\n const url = pageUrl\n ? `${API_BASE}/api/likes/${website}?pageUrl=${pageUrl}`\n : `${API_BASE}/api/likes/${website}`;\n\n const response = await fetch(url);\n\n if (!response.ok) {\n throw new Error(`HTTP error! status: ${response.status}`);\n }\n\n const data = await response.json();\n return data.likeCount;\n } catch (error) {\n console.error(\"Error fetching likes:\", error);\n return 0; // Return 0 as fallback\n }\n}\n```\n\n## CORS Support\n\nThe API includes CORS headers allowing requests from any origin, so you can call\nit directly from your website's JavaScript without proxy servers or additional\nconfiguration.\n",[],[369],"6fece59a-7615-11f0-8f53-0224a6c84d84","CLAUDE.md","639a997e-7604-11f0-ac58-0224a6c84d84",29,["D",1754849489082],2,"# CLAUDE.md\n\nThis file provides guidance to Claude Code (claude.ai/code) when working with\ncode in this repository.\n\n## Architecture Overview\n\nThis is a Val Town project that implements a likes tracking API using unique IDs\nwith the following structure:\n\n- **Val Town Platform**: Built for Val Town's serverless environment using Deno runtime\n- **Backend**: Hono web framework with SQLite database for ID-based likes tracking\n- **API Service**: RESTful endpoints with CORS support for cross-origin requests\n- **Entry Point**: `index.ts` exports `app.fetch` as the HTTP handler\n\n## Key Components\n\n### Backend (`backend/database.ts`)\n\n- Uses Val Town's hosted SQLite service (`stevekrouse/sqlite`)\n- Table name: `likes_by_id_v1` (increment version when changing schema)\n- Core functions: `initDatabase()`, `recordLike()`, `getAllLikes()`, \n `getLikeCount()`, `getTotalLikes()`\n- Database tracks likes by unique ID (string identifier)\n- Schema: `id` (TEXT PRIMARY KEY), `likes` (INTEGER), `created_at`, `updated_at`\n- Database initializes automatically on startup\n\n### Frontend (`frontend/index.html`)\n\n- Self-contained HTML documentation and demo page\n- Interactive testing interface for all API endpoints\n- Code examples for integration\n- Styled with custom CSS for professional appearance\n\n### Main Application (`index.ts`)\n\n- Hono app with error unwrapping for debugging and CORS support\n- Routes: `/` (documentation page), `POST /api/like` (record like),\n `GET /api/likes/:id` (get count for specific ID), `GET /api/likes` (all data)\n- Accepts JSON payloads with `id` field (string)\n- Returns updated like counts for real-time UI updates\n\n## Common Development Commands\n\n```bash\n# Run/test the application locally\ndeno run --allow-net --allow-read index.ts\n\n# Lint code\ndeno lint\n\n# Format code \ndeno fmt\n\n# Type checking\ndeno check index.ts\n```\n\n## Val Town Specific Patterns\n\n### Database Schema Changes\n\nWhen modifying the database schema, increment the table name (e.g.,\n`likes_by_id_v1` → `likes_by_id_v2`) rather than using ALTER TABLE\noperations.\n\n### API Usage\n\nThe API is designed for cross-origin requests. Example usage from any website:\n\n```javascript\n// Record a like for a specific content ID\nfetch(\"https://your-val-url.val.run/api/like\", {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({\n id: \"post-123\", // Any unique identifier\n }),\n})\n .then((res) => res.json())\n .then((data) => console.log(\"New like count:\", data.likeCount));\n\n// Get like count for a specific ID\nfetch(\"https://your-val-url.val.run/api/likes/post-123\")\n .then((res) => res.json())\n .then((data) => console.log(\"Like count:\", data.likeCount));\n```\n\n### File Serving\n\nUses Val Town utility functions for proper file serving:\n\n```typescript\nimport {\n readFile,\n serveFile,\n} from \"https://esm.town/v/std/utils@85-main/index.ts\";\n```\n\n### Error Handling\n\nInclude this pattern in Hono apps for better error visibility:\n\n```typescript\napp.onError((err, c) => {\n throw err;\n});\n```\n\n### CORS Configuration\n\nThe API includes CORS headers to allow requests from any origin:\n\n```typescript\napp.use(\n \"*\",\n cors({\n origin: \"*\",\n allowMethods: [\"GET\", \"POST\", \"OPTIONS\"],\n allowHeaders: [\"Content-Type\"],\n }),\n);\n```\n\n## Configuration Notes\n\n- **TypeScript**: Configured with relaxed settings (`noImplicitAny: false`,\n `strict: false`)\n- **Imports**: Uses `https://esm.sh` for npm packages and `https://esm.town/v/`\n for Val Town utilities\n- **Styling**: TailwindCSS via CDN script tag\n- **Error Debugging**: Includes\n `` for client-side error\n capture\n",[],[377],"63bbefa2-7604-11f0-9558-0224a6c84d84",".vtignore","63bbf088-7604-11f0-9558-0224a6c84d84",9,["D",1754842167155],".git\n.vscode\n.cursorrules\n.DS_Store\nnode_modules\nvendor",[],[386],["D",1755390850330],[],[300,82],"83fb99e2-7600-11f0-9174-0224a6c84d84",["D",1754840503393],"directory",[316],[300],"ac9a018a-7610-11f0-b680-0224a6c84d84","database.ts","019894a5-14b4-7659-ac14-1f5468c70e55","019894a5-14b4-7659-ac14-23adaa79473b",25,["D",1754847443558],3,"import { sqlite } from \"https://esm.town/v/stevekrouse/sqlite\";\n\n// Table name - change this if you need to modify the schema\nconst TABLE_NAME = \"likes_by_id_v1\";\n\n// Define the structure of our like records\nexport interface LikeRecord {\n id: string;\n likes: number;\n created_at: string;\n updated_at: string;\n}\n\n/**\n * Initialize the database with our table\n */\nexport async function initDatabase() {\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS ${TABLE_NAME} (\n id TEXT PRIMARY KEY,\n likes INTEGER NOT NULL DEFAULT 0,\n created_at TEXT NOT NULL,\n updated_at TEXT NOT NULL\n )\n `);\n}\n\n/**\n * Record a like for a specific ID\n * If the ID exists, increment the counter\n * If not, create a new record with 1 like\n */\nexport async function recordLike(id: string): Promise {\n const now = new Date().toISOString();\n await sqlite.execute(\n `INSERT INTO ${TABLE_NAME} (id, likes, created_at, updated_at) \n VALUES (?, 1, ?, ?)\n ON CONFLICT(id) DO UPDATE SET \n likes = likes + 1, \n updated_at = ?`,\n [id, now, now, now],\n );\n\n // Return the updated like count\n const result = await sqlite.execute(\n `SELECT likes FROM ${TABLE_NAME} WHERE id = ?`,\n [id],\n );\n\n return Number(result.rows[0]?.likes) || 1;\n}\n\n/**\n * Get all like records\n */\nexport async function getAllLikes(): Promise {\n const result = await sqlite.execute(\n `SELECT * FROM ${TABLE_NAME} ORDER BY likes DESC`,\n );\n\n return result.rows as unknown as LikeRecord[];\n}\n\n/**\n * Get like count for a specific ID\n */\nexport async function getLikeCount(id: string): Promise {\n const result = await sqlite.execute(\n `SELECT likes FROM ${TABLE_NAME} WHERE id = ?`,\n [id],\n );\n\n return Number(result.rows[0]?.likes) || 0;\n}\n\n/**\n * Get total like count across all IDs\n */\nexport async function getTotalLikes(): Promise {\n const result = await sqlite.execute(\n `SELECT SUM(likes) as total FROM ${TABLE_NAME}`,\n );\n\n return Number(result.rows[0]?.total) || 0;\n}\n",[],[411,402],"backend","83fb87ae-7600-11f0-9174-0224a6c84d84",["D",1754840503393],[314],[411],"24aec8fc-7609-11f0-aae8-0224a6c84d84","settings.local.json","639cf6d8-7604-11f0-930d-0224a6c84d84","638cee28-7604-11f0-ac58-0224a6c84d84",20,["D",1754844209056],"{\n \"permissions\": {\n \"allow\": [\n \"Bash(deno check:*)\",\n \"Bash(deno run:*)\",\n \"Bash(deno lint:*)\",\n \"Bash(vt push:*)\"\n ],\n \"deny\": []\n }\n}",[],[425,417],".claude","638ced74-7604-11f0-ac58-0224a6c84d84",["D",1754842167057],[312],[425],["D",1754840503393],{"_11":12,"_258":87},{"_11":12,"_253":254,"_86":87,"_30":85,"_255":256,"_257":24},{"_53":242,"_13":16,"_47":50,"_243":207,"_244":77,"_245":78,"_246":211,"_247":248,"_249":250,"_251":14,"_252":12},"ctx",{"_66":-5,"_279":467,"_468":469,"_470":471,"_472":24,"_473":24,"_474":24,"_475":219,"_476":-5,"_477":-7,"_478":-7,"_479":26,"_480":24,"_481":24,"_482":-5,"_483":24,"_484":24,"_485":24,"_486":-5},"ENV",{"_438":439,"_440":441,"_442":16,"_443":444,"_445":446,"_447":448,"_449":450,"_451":452,"_453":454,"_455":456,"_457":458,"_459":460,"_461":462,"_463":464,"_465":466},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","71c1b20804b3232a7e513be260cfffc1932a9e97","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

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