\n \n \n",[19,96],"9996a2c4-f48c-11ef-8751-569c3dd06744","favicon.svg","a0a32926-01dc-4b84-b616-6e59ad63fc01",267,["D",1740607018106],2,"",[19,104],"3066a7b2-f3a7-11ef-bb9d-569c3dd06744","README.md","276f8276-ede5-4648-98f0-5b93f4d3b7a2",1,["D",1740508486858],"# Frontend\n\nThis template is a classic client-side-only React app. \n\n## `index.html`\n\nThe **entrypoint** for the frontend is `/frontend/index.html`. This is the HTML page that is returned at the root from `/backend/index.ts`.\n\nThis HTML file imports `/frontend/style.css` from `/public/style.css` and `/frontend/favicon.svg` from `/frontend/favicon.svg`. Everything in `/frontend/` is mapped to `/public` by `/backend/index.ts`. This is just a convention. You could import & serve everything out of the same folder name.\n\nThis HTML file has a `

`, which is where we mount the React app.\n\nThis HTML file imports `/frontend/index.tsx` from `/public/index.tsx`, which is the **entrypoint** for all frontend JavaScript, including all the React. It is not a problem that it imports a file with a `.tsx` extension becaues browsers ignore file extensions. They only pay attention to content-types, which is great, because all these files will be returned as transpiled JS with the appropriate JS content type by [stevekrouse/utils/serve-public](https://www.val.town/x/stevekrouse/utils/branch/main/code/serve-public/README.md).)\n\n## `index.tsx`\n\nThis file is the **entrypoint** for frontend JavaScript. It imports the React app from `/frontend/components/App.tsx` and mounts it on `

`.\n\nIt also looks for *bootstrapped* JSON data at `window.__INITIAL_DATA`, and passes that only to the ``.\n\n## `favicon.svg`\n\nAs of this writing Val Town only supports text files, which is why the favicon is an SVG and not an .ico or any other binary image format. If you need binary file storage, check out [Blob Storage](https://docs.val.town/std/blob/).\n\n## `components/`\n\nThis directory is where the React components are stored. They're pretty standard client-side React components.",[19,112],"3066a532-f3a7-11ef-bb9d-569c3dd06744","components","048114d6-959f-4a98-a66d-c5847591ef88",["D",1740508486858],"directory",[19,119],"3066b432-f3a7-11ef-bb9d-569c3dd06744",["D",1740508486858],[19],{"_36":198,"_13":199,"_68":200,"_70":-5,"_72":73,"_74":114,"_76":77,"_38":201,"_17":32,"_80":122,"_81":-5,"_83":51,"_84":-5,"_135":202,"_18":203},{"_36":124,"_13":19,"_68":71,"_70":-5,"_72":73,"_74":114,"_76":77,"_38":161,"_17":32,"_80":122,"_81":-5,"_83":51,"_84":-5,"_135":162,"_18":163},{"_36":138,"_13":139,"_68":140,"_70":-5,"_72":73,"_74":114,"_76":77,"_38":141,"_17":32,"_80":122,"_81":-5,"_83":51,"_84":-5,"_135":142,"_18":143},{"_36":131,"_13":112,"_68":132,"_70":-5,"_72":73,"_74":114,"_76":77,"_38":133,"_17":32,"_80":24,"_81":134,"_83":51,"_84":-5,"_135":136,"_18":137},"3066b892-f3a7-11ef-bb9d-569c3dd06744","af38f3bc-1e33-4f35-b184-da14a0e9b455",["D",1740508486858],"# React Hono Val Town Project Starter Template\n\nThis is a starter template for a full-stack app in a Val Town Project. The app itself is a simple persistent message board.\n\nThis app is broken up into three folders, corresponding to where the code in those folders run:\n\n- `backend/` - runs on Val Town serverless infrastructure in Deno\n- `frontend/` - runs in the user's browser\n- `shared/` - runs in both the frontend and backend\n\nThe entrypoint of this app is `backend/index.ts`, which is the Hono HTTP server, which serves the HTML, CSS, and JS, which run client-side.\n\nYou can click into each of those folders to view their respective READMEs.\n\n## Getting started\n\n1. Click `Fork` on the top-right to run this Project on your account.\n2. Go to `/backend/index.ts` and click on the ... menu on the HTTP Preview and click **Pin to Home**. (We will soon do this for you automatically.)\n3. Customize the project for your own use-case!\n\n## Contributing\n\nThis template is actively accepting pull requests, particularly for bugs, but also for anything that can be done more idiomatically.\n\nIf you'd like to make a template with other technologies choices (ie no Hono or no React), please create a new template and we can link to it from this one as another way to go. Eventually, we'd like to be many templates that show how to use Projects. The next one I'm personally excited about making is a fullstack React Router 7 one. [This one](https://www.val.town/x/just_be/reactRouter7) is a good start, but I'd like to rebuild the message board app from this template in that format.","children",[],[112],"3066b7a2-f3a7-11ef-bb9d-569c3dd06744","shared","0387b1c0-8f11-4b79-8443-aea50e19b112",["D",1740508486858],[144,145],[139],{"_36":155,"_13":112,"_68":156,"_70":140,"_72":73,"_74":114,"_76":77,"_38":157,"_17":32,"_80":24,"_81":158,"_83":51,"_84":-5,"_135":159,"_18":160},{"_36":146,"_13":147,"_68":148,"_70":140,"_72":73,"_74":149,"_76":77,"_38":150,"_17":151,"_80":92,"_81":152,"_83":51,"_84":-5,"_135":153,"_18":154},"4ba0d526-f48c-11ef-b5d5-569c3dd06744","utils.ts","e8f64059-892a-4ddc-9855-db82d3f15889",263,["D",1740606887311],4,"export interface Review {\n id: number;\n name: string;\n cake1Review: string;\n cake2Review: string;\n timestamp: string;\n}\n\nexport const REVIEW_LIMIT = 100;",[],[139,147],"3066b568-f3a7-11ef-bb9d-569c3dd06744","ea9d72f5-6a40-49df-af77-934e70c4510c",["D",1740508486858],"# Shared\n\nIt's common to have code and types that are needed on both the frontend and the backend. It's important that you write this code in a particularly defensive way because it's limited by what both environments support:\n\n![shapes at 25-02-25 11.57.13.png](https://imagedelivery.net/iHX6Ovru0O7AjmyT5yZRoA/75db1d51-d9b3-45e0-d178-25d886c10700/public)\n\nFor example, you *cannot* use the `Deno` keyword. For imports, you can't use `npm:` specifiers, so we reccomend `https://esm.sh` because it works on the server & client. You *can* use TypeScript because that is transpiled in `/backend/index.ts` for the frontend. Most code that works on the frontend tends to work in Deno, because Deno is designed to support \"web-standards\", but there are definitely edge cases to look out for.",[],[139,112],["D",1740508486858],[164,165,166,167,168,169],[19],{"_36":118,"_13":119,"_68":120,"_70":71,"_72":73,"_74":114,"_76":77,"_38":185,"_17":32,"_80":122,"_81":-5,"_83":51,"_84":-5,"_135":186,"_18":187},{"_36":111,"_13":112,"_68":113,"_70":71,"_72":73,"_74":114,"_76":77,"_38":182,"_17":32,"_80":24,"_81":116,"_83":51,"_84":-5,"_135":183,"_18":184},{"_36":103,"_13":104,"_68":105,"_70":71,"_72":73,"_74":106,"_76":77,"_38":179,"_17":108,"_80":24,"_81":109,"_83":51,"_84":-5,"_135":180,"_18":181},{"_36":95,"_13":96,"_68":97,"_70":71,"_72":73,"_74":98,"_76":77,"_38":176,"_17":100,"_80":24,"_81":101,"_83":51,"_84":-5,"_135":177,"_18":178},{"_36":86,"_13":87,"_68":88,"_70":71,"_72":73,"_74":89,"_76":77,"_38":173,"_17":91,"_80":92,"_81":93,"_83":51,"_84":-5,"_135":174,"_18":175},{"_36":66,"_13":67,"_68":69,"_70":71,"_72":73,"_74":75,"_76":77,"_38":170,"_17":79,"_80":24,"_81":82,"_83":51,"_84":-5,"_135":171,"_18":172},["D",1740607202499],[],[19,67],["D",1740605135343],[],[19,87],["D",1740606881778],[],[19,96],["D",1740607018106],[],[19,104],["D",1740508486858],[],[19,112],["D",1740508486858],[188],[19,119],{"_36":189,"_13":190,"_68":191,"_70":120,"_72":73,"_74":192,"_76":77,"_38":193,"_17":194,"_80":92,"_81":195,"_83":51,"_84":-5,"_135":196,"_18":197},"e98e4868-f48c-11ef-b20a-569c3dd06744","App.tsx","63784509-35a3-4f03-aaee-97d3559d4fef",277,["D",1740607152268],71,"/** @jsxImportSource https://esm.sh/react@18.2.0 */\n\nimport { createRoot } from \"https://esm.sh/react-dom@18.2.0/client?deps=react@18.2.0\";\nimport React, { useEffect, useState } from \"https://esm.sh/react@18.2.0?deps=react@18.2.0\";\nimport { type Review, REVIEW_LIMIT } from \"../../shared/utils.ts\";\n\nexport function App() {\n const [reviews, setReviews] = useState([]);\n const [winner, setWinner] = useState(\"\");\n const [name, setName] = useState(\"\");\n const [cake1Review, setCake1Review] = useState(\"\");\n const [cake2Review, setCake2Review] = useState(\"\");\n const [isAnalyzing, setIsAnalyzing] = useState(false);\n const [isClearing, setIsClearing] = useState(false);\n const [isLoading, setIsLoading] = useState(true);\n const [error, setError] = useState(null);\n\n useEffect(() => {\n fetchReviews();\n }, []);\n\n const fetchReviews = async () => {\n try {\n setIsLoading(true);\n setError(null);\n const response = await fetch(\"/api/reviews\");\n if (!response.ok) {\n throw new Error(`HTTP error! status: ${response.status}`);\n }\n const data = await response.json();\n setReviews(data.reviews || []);\n } catch (e) {\n setError(\"Failed to fetch reviews. Please try again later.\");\n console.error(\"Error fetching reviews:\", e);\n } finally {\n setIsLoading(false);\n }\n };\n\n const handleSubmit = async (e: React.FormEvent) => {\n e.preventDefault();\n try {\n const response = await fetch(\"/api/submit-review\", {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ name, cake1Review, cake2Review }),\n });\n console.log(response);\n if (!response.ok) {\n throw new Error(`HTTP error! status: ${response.status}`);\n }\n setName(\"\");\n setCake1Review(\"\");\n setCake2Review(\"\");\n fetchReviews();\n } catch (e) {\n setError(\"Failed to submit review. Please try again.\");\n console.error(\"Error submitting review:\", e);\n }\n };\n\n const handleAnalyze = async () => {\n try {\n setIsAnalyzing(true);\n setError(null);\n const response = await fetch(\"/api/analyze-reviews\", { method: \"POST\" });\n if (!response.ok) {\n throw new Error(`HTTP error! status: ${response.status}`);\n }\n const data = await response.json();\n setWinner(data.winner);\n } catch (e) {\n setError(\"Failed to analyze reviews. Please try again.\");\n console.error(\"Error analyzing reviews:\", e);\n } finally {\n setIsAnalyzing(false);\n }\n };\n\n const handleClearReviews = async () => {\n try {\n setIsClearing(true);\n setError(null);\n const response = await fetch(\"/api/clear-reviews\", { method: \"POST\" });\n if (!response.ok) {\n throw new Error(`HTTP error! status: ${response.status}`);\n }\n setReviews([]);\n setWinner(\"\");\n } catch (e) {\n setError(\"Failed to clear reviews. Please try again.\");\n console.error(\"Error clearing reviews:\", e);\n } finally {\n setIsClearing(false);\n }\n };\n\n if (isLoading) {\n return

Loading reviews...

;\n }\n\n if (error) {\n return

{error}

;\n }\n\n return (\n

Cake Review Competition

\n setName(e.target.value)}\n placeholder=\"Your Name\"\n required\n className=\"input\"\n />\n setCake1Review(e.target.value)}\n placeholder=\"Review for Cake 1\"\n required\n className=\"textarea\"\n />\n setCake2Review(e.target.value)}\n placeholder=\"Review for Cake 2\"\n required\n className=\"textarea\"\n />\n \n \n

Reviews

\n {reviews.length === 0 ?

No reviews yet.

: (\n

\n {reviews.map((review, index) => (\n

{review.name}

Cake 1: {review.cake1Review}

Cake 2: {review.cake2Review}

\n ))}\n

\n )}\n

\n \n {isAnalyzing ? \"Analyzing...\" : \"Analyze Reviews\"}\n \n \n {isClearing ? \"Clearing...\" : \"Clear All Reviews\"}\n \n

\n {winner && (\n

Winner

{winner}

\n )}\n

\n );\n}",[],[19,119,190],"3066a168-f3a7-11ef-bb9d-569c3dd06744","backend","4ee215c1-0237-4dd6-b676-ba3f8dd0947d",["D",1740508486858],[204,205,206],[199],{"_36":223,"_13":224,"_68":225,"_70":200,"_72":73,"_74":114,"_76":77,"_38":226,"_17":32,"_80":122,"_81":-5,"_83":51,"_84":-5,"_135":227,"_18":228},{"_36":217,"_13":112,"_68":218,"_70":200,"_72":73,"_74":114,"_76":77,"_38":219,"_17":32,"_80":24,"_81":220,"_83":51,"_84":-5,"_135":221,"_18":222},{"_36":207,"_13":208,"_68":209,"_70":200,"_72":73,"_74":210,"_76":77,"_38":211,"_17":212,"_80":213,"_81":214,"_83":51,"_84":-5,"_135":215,"_18":216},"426b6b10-f48c-11ef-88e3-569c3dd06744","index.ts","cab092b0-0691-48cf-8b35-9fc8a1fb4bf6",260,["D",1740606871864],61,"http","import { parseProject } from \"https://esm.town/v/std/parseImportMeta@149-main/project\";\nimport { readFile, servePublicFile } from \"https://esm.town/v/stevekrouse/utils@187-main/serve-public/index.ts\";\nimport { Hono } from \"npm:hono\";\nimport { analyzeReviews, clearReviews, getReviews, insertReview } from \"./database/queries.ts\";\n\nconst app = new Hono();\n\n// Serve index.html at the root /\napp.get(\"/\", async c => {\n let html = await readFile(\"/frontend/index.html\", import.meta.url);\n\n // Bootstrap the initial reviews data into index.html\n // To avoid an extra request and loading flash\n const initialReviews = await getReviews();\n console.log(initialReviews);\n\n // Get this project's URL, in a way that works across forks and branches\n const projectVal = parseProject(import.meta.url);\n const thisProjectURL = projectVal.links.self.project;\n\n // Inject the data as a global variable inside a script tag\n const dataScript = ``;\n\n // Insert the script right before the closing tag\n html = html.replace(\"\", `${dataScript}`);\n\n return c.html(html);\n});\n\n// Serve all /frontend files under /public\napp.get(\"/public/**/*\", c => servePublicFile(c.req.path.replace(\"/public\", \"/frontend\"), import.meta.url));\n\n// Serve all /shared files under /shared\napp.get(\"/shared/**/*\", c => servePublicFile(c.req.path, import.meta.url));\n\n// Provide an endpoint for the frontend to get reviews as JSON\napp.get(\"/api/reviews\", async (c) => {\n const reviews = await getReviews();\n return c.json({ reviews });\n});\n\n// Provide an endpoint for the frontend to insert a new review\napp.post(\"/api/submit-review\", async (c) => {\n const { name, cake1Review, cake2Review } = await c.req.json();\n if (\n !name || !cake1Review || !cake2Review || name.trim() === \"\" || cake1Review.trim() === \"\"\n || cake2Review.trim() === \"\"\n ) {\n return c.json({ error: \"All fields are required\" }, 400);\n }\n await insertReview(name, cake1Review, cake2Review);\n return c.json({ success: true }, 201);\n});\n\n// Provide an endpoint for analyzing reviews\napp.post(\"/api/analyze-reviews\", async (c) => {\n const winner = await analyzeReviews();\n return c.json({ winner });\n});\n\n// Provide an endpoint for clearing all reviews\napp.post(\"/api/clear-reviews\", async (c) => {\n await clearReviews();\n return c.json({ success: true });\n});\n\n// Unwrap and rethrow Hono errors as the original error\n// If you delete this, all errors will be \"Internal Server Error\"\napp.onError((err, c) => {\n throw err;\n});\n\n// HTTP vals expect an exported \"fetch handler\"\n// This is how you \"run the server\" in Val Town with Hono\nexport default app.fetch;",[],[199,208],"30669c0e-f3a7-11ef-bb9d-569c3dd06744","5a87f064-5038-4fc0-9541-06e83ee2e95b",["D",1740508486858],"# Backend\n\nThis folder contains all backend-only code in this project. It's broken up into:\n\n* `index.ts` - this is the **entrypoint** for this whole project\n* `database/` - this contains the code for interfacing with the app's SQLite database table\n\n## Hono\n\nThis app uses [Hono](https://hono.dev/) has the a API framework. You can think of Hono as a replacement for [ExpressJS](https://expressjs.com/) that works in serverless environments like Val Town or Cloudflare Workers. If you come from Python or Ruby, Hono is also a lot like [Flask](https://github.com/pallets/flask) or [Sinatra](https://github.com/sinatra/sinatra), respectively.\n\n## Serving assets to the frontend\n\nThis backend HTTP server is responsible for serving all static assets to the browser to render the app, including HTML, JavaScript (including all client-side React), CSS, and even the favicon SVG.\n\nIn a normal server environment, you would likely use a middleware [like this one](https://hono.dev/docs/getting-started/nodejs#serve-static-files) to serve static files. Some frameworks or deployment platforms automatically make any content inside a `public/` folder public. \n\nHowever in Val Town you need to handle this yourself, and it can be suprisingly difficult to read and serve files in a Val Town Project. This template uses helper functions from [stevekrouse/utils/serve-public](https://www.val.town/x/stevekrouse/utils/branch/main/code/serve-public/README.md), which handle reading project files in a way that will work across branches and forks, automatically transpiles typescript to javascript, and assigns content-types based on the file's extension.\n\n### `index.html`\n\nThe most complicated part of this backend API is serving index.html. In this app (like most apps) we serve it at the root, ie `GET /`. \n\nWe *bootstrap* `index.html` with some initial data from the server, so that it gets dynamically injected JSON data without having to make another round-trip request to the server to get that data on the frontend. This is a common pattern for client-side rendered apps.\n\n## CRUD API Routes\n\nThis app has two CRUD API routes: for reading and inserting into the messages table. They both speak JSON, which is standard. They import their functions from `/backend/database/queries.ts`. This routes are called from the React app to refresh and update data.\n\n## Errors\n\nHono and other API frameworks have a habit of swallowing up Errors. We turn off this default behavior by re-throwing errors, because we think most of the time you'll want to see the full stack trace instead of merely \"Internal Server Error\". You can customize how you want errors to appear.",[],[199,112],"30669aba-f3a7-11ef-bb9d-569c3dd06744","database","2e44fabe-ab36-4e69-857a-02644ba1375f",["D",1740508486858],[229,230,231],[199,224],{"_36":250,"_13":112,"_68":251,"_70":225,"_72":73,"_74":114,"_76":77,"_38":252,"_17":32,"_80":24,"_81":253,"_83":51,"_84":-5,"_135":254,"_18":255},{"_36":241,"_13":242,"_68":243,"_70":225,"_72":73,"_74":244,"_76":77,"_38":245,"_17":246,"_80":92,"_81":247,"_83":51,"_84":-5,"_135":248,"_18":249},{"_36":232,"_13":233,"_68":234,"_70":225,"_72":73,"_74":235,"_76":77,"_38":236,"_17":237,"_80":92,"_81":238,"_83":51,"_84":-5,"_135":239,"_18":240},"a6abc380-f48d-11ef-948e-569c3dd06744","queries.ts","ddbccf01-0a00-493b-aff5-4205cceddbe4",285,["D",1740607469555],70,"import { sqlite } from \"https://esm.town/v/stevekrouse/sqlite\";\nimport { type Review, REVIEW_LIMIT } from \"../../shared/utils.ts\";\nimport { createTables, tableName } from \"./migrations.ts\";\n\n// This will create the database table if it doesn't exist.\n// This will run every time the app starts up. You can\n// comment out this line for a modest (30ms) perforamnce improvement\n// on cold starts. It's left in to ensure the database tables are\n// automatically set up correctly for users who fork this app.\nawait createTables();\n\nexport async function getReviews(limit = REVIEW_LIMIT): Promise {\n const reviews = await sqlite.execute(\n `SELECT * FROM ${tableName} \n ORDER BY timestamp DESC \n LIMIT ?`,\n [limit],\n );\n return reviews.rows as unknown as Review[];\n}\n\nexport async function insertReview(name: string, cake1Review: string, cake2Review: string) {\n await sqlite.execute(\n `INSERT INTO ${tableName} (name, cake1Review, cake2Review) \n VALUES (?, ?, ?)`,\n [name, cake1Review, cake2Review],\n );\n}\n\nexport async function analyzeReviews(): Promise {\n const reviews = await getReviews();\n\n if (reviews.length === 0) {\n return \"No reviews yet to analyze.\";\n }\n\n // Prepare the data for OpenAI\n const reviewData = reviews.map(review => ({\n reviewer: review.name,\n cake1: review.cake1Review,\n cake2: review.cake2Review,\n }));\n\n // Format the prompt for OpenAI\n const prompt = `\n You are judging a cake competition. Based on the following reviews of two cakes,\n determine which cake is the winner. Be entertaining, witty, and decisive.\n \n Review data:\n ${JSON.stringify(reviewData, null, 2)}\n \n Analyze these reviews and determine a winner (Cake 1 or Cake 2). \n Provide a brief, entertaining summary that captures the essence of the reviews,\n cites specific feedback, and clearly declares a winner or a tie if appropriate.\n Be very specific about which cake won (Cake 1 or Cake 2). Do not write more than 4 sentences.\n `;\n\n try {\n // Make the API call to OpenAI\n const OPENAI_API_KEY = Deno.env.get(\"OPENAI_API_KEY\");\n\n const response = await fetch(\"https://api.openai.com/v1/chat/completions\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"Authorization\": `Bearer ${OPENAI_API_KEY}`,\n },\n body: JSON.stringify({\n model: \"gpt-4o-mini\",\n messages: [\n {\n role: \"system\",\n content: \"You are a witty and entertaining cake competition judge who provides clear, decisive verdicts.\",\n },\n {\n role: \"user\",\n content: prompt,\n },\n ],\n temperature: 0.7,\n max_tokens: 350,\n }),\n });\n\n if (!response.ok) {\n const errorData = await response.json();\n console.error(\"OpenAI API error:\", errorData);\n throw new Error(`OpenAI API error: ${errorData.error?.message || \"Unknown error\"}`);\n }\n\n const data = await response.json();\n return data.choices[0].message.content.trim();\n } catch (error) {\n console.error(\"Error analyzing reviews with OpenAI:\", error);\n }\n}\n\nexport async function clearReviews(): Promise {\n try {\n await sqlite.execute(`DELETE FROM ${tableName}`);\n console.log(\"All reviews successfully cleared from the database.\");\n } catch (error) {\n console.error(\"Error clearing reviews:\", error);\n throw new Error(\"Failed to clear reviews from the database.\");\n }\n}",[],[199,224,233],"c91254d4-f48d-11ef-9132-569c3dd06744","migrations.ts","f86ca103-02d1-4a6f-bb84-21943d08ce5b",286,["D",1740607527270],49,"import { sqlite } from \"https://esm.town/v/stevekrouse/sqlite\";\n\nconst SCHEMA_VERSION = 1;\nexport const KEY = new URL(import.meta.url).pathname.split(\"/\").pop()?.split(\".\")[0];\nexport const tableName = `${KEY}_reviews_${SCHEMA_VERSION}`;\n\nexport async function createTables() {\n await sqlite.batch([\n ` CREATE TABLE IF NOT EXISTS ${tableName} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n name TEXT NOT NULL,\n cake1Review TEXT NOT NULL,\n cake2Review TEXT NOT NULL,\n timestamp DATETIME DEFAULT CURRENT_TIMESTAMP\n )`,\n /* Add any other tables or migrations you want here\n\n However, you should know that SQLite has much more limited\n support for altering existing tables as compared to other databases.\n Often it's easier to create new tables with the schema you want, and then\n copy the data over. */\n ]);\n}",[],[199,224,242],"30668fc0-f3a7-11ef-bb9d-569c3dd06744","d88b6458-093b-4608-994b-fdc7fb61cd3c",["D",1740508486858],"# Database\n\nThis app uses [Val Town SQLite](https://docs.val.town/std/sqlite/) to manage data. Every Val Town account comes with a free SQLite database, hosted on [Turso](https://turso.tech/). This folder is broken up into two files:\n\n* `migrations.ts` - code to set up the database tables the app needs\n* `queries.ts` - functions to run queries against those tables, which are imported and used in the main Hono server in `/backend/index.ts`\n\n## Migrations\n\nIn `backend/database/migrations.ts`, this app creates a new SQLite table `reactHonoStarter_messages` to store messages. \n\nThis \"migration\" runs once on every app startup because it's imported in `index.ts`. You can comment this line out for a slight (30ms) performance improvement on cold starts. It's left in so that users who fork this project will have the migration run correctly.\n\nSQLite has much more limited support for altering existing tables as compared to other databases. Often it's easier to create new tables with the schema you want, and then copy the data over. 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