Initial commit with overall code

.env.local.template

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+# Copy this template: `cp .env.local.template .env.local`
+# Edit .env.local and enter your Supabase and PowerSync project details.
+VITE_SUPABASE_URL=https://foo.supabase.co
+VITE_SUPABASE_ANON_KEY=foo
+VITE_POWERSYNC_URL=https://foo.powersync.journeyapps.com

.gitignore

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+.idea
+node_modules
+dist
+
+.DS_Store
+.env.local
+.env

LICENSE

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README.md

@@ -1 +1,130 @@
-# vite-react-ts-powersync-supabase
+# Vite + React + TS + PowerSync + Supabase
+
+A template Vite, TS, React, PowerSync and Supabase project to get you started quickly with building offline-first applications with PowerSync and Supabase.
+
+## Getting Started
+
+You have 3 options to get started with this template.
+We recommend using the first option for a quick start.
+
+1. Generate a repository from this [template](https://github.com/powersync-product-success/vite-react-ts-powersync-supabase/generate)
+2. Use [degit](https://github.com/Rich-Harris/degit) to scaffold the project:
+
+```bash
+npx degit powersync-product-success/vite-react-ts-powersync-supabase vite-react-ts-powersync-supabase
+```
+
+3. Clone the repository directly and install dependencies:
+
+```bash
+git clone https://github.com/powersync-product-success/vite-react-ts-powersync-supabase.git
+```
+
+## Usage
+
+After cloning the repository, navigate to the project directory and install the dependencies:
+
+```bash
+cd vite-react-ts-powersync-supabase
+npm install
+npm run dev
+```
+
+## Setup Backend
+
+### 1. Setup Supabase
+Follow these steps to set up your backend with Supabase and PowerSync (Or you can follow the [guide](https://docs.powersync.com/integration-guides/supabase-+-powersync)).
+
+#### Setup using the Supabase Dashboard
+1. [Create a new project on the Supabase dashboard](https://supabase.com/dashboard/projects).
+2. Go to the Supabase SQL Editor for your new project and execute the SQL statements in [`database.pgsql`](database.pgsql) to create the database schema, database functions, and publication needed for PowerSync.
+3. Enable "anonymous sign-ins" for the project [here](https://supabase.com/dashboard/project/_/auth/providers) (demo specific)
+
+#### Setup using the Supabase CLI (optional)
+If you prefer using the Supabase CLI, you can set up your project as follows:
+1. Setup a local project directory
+	```shell
+	mkdir my-project
+	cd my-project
+	```
+2. Install Supabase cli `npm install supabase --save-dev` [1](https://supabase.com/docs/guides/local-development/cli/getting-started)
+3. Login to your Supabase Account `npx supabase login`
+4. Initialize your project `npx supabase init`
+5. Enable "anonymous sign-ins" for the project [here](https://supabase.com/dashboard/project/_/auth/providers)
+6. Copy your project ID from the Supabase dashboard [here](https://supabase.com/dashboard/project/_/settings/general)
+7. Link your local project `npx supabase link --project-ref <project-id>`
+8. Create your `npx supabase migration new create_powersync_tables` and copy the contents of [`database.pgsql`](database.pgsql) into the newly created migration file in the `supabase/migrations` directory.
+9. Push your tables to the cloud db
+   ```shell
+   npx supabase db push
+   ```
+
+### 2. Create PowerSync Instance and Connect to Supabase
+
+You can set up your PowerSync instance using either the Dashboard or CLI approach:
+
+#### Option 1: Using PowerSync [CLI](https://docs.powersync.com/usage/tools/cli)
+
+> This PowerSync CLI only works with **PowerSync Cloud instances.**		
+> The CLI currently does not support **self-hosted PowerSync instances.**
+
+If you don't have a PowerSync account yet, [sign up here](https://accounts.journeyapps.com/portal/powersync-signup).
+
+1. **Get your Personal Access Token:**
+		- Go to the [PowerSync dashboard](https://powersync.journeyapps.com/)
+		- Press `Ctrl + Shift + P` (or `Cmd + Shift + P` on Mac)
+		- Search for "Create Personal Access Token"
+		- Give it "owner" policy and a descriptive label
+		- Copy the generated token
+
+2. **Initialize the CLI and authenticate:**
+			```bash
+			npx powersync init
+			```
+			Paste your Personal Access Token when prompted.
+
+3. **Create a new PowerSync instance:**
+			```bash
+			npx powersync instance create
+			```
+			Follow the prompts to configure:
+		- Instance name (e.g., "supabase-staging")
+		- Region (e.g., "EU")
+		- Database connection details from your Supabase project (use the **direct connection**, not pooling)
+		- When asked about Supabase auth, answer:
+				- `? Are you using Supabase auth? Yes`
+				- `? Do you want to add audiences? No`
+
+4. **Deploy sync rules:**
+			```bash
+			npx powersync instance sync-rules deploy -f sync-rules.yaml
+			```
+
+	> After deploying sync rules via CLI, the changes might not be reflected in the dashboard. If you want to see them in the dashboard, simply copy the contents of your `sync-rules.yaml` file and paste them into the dashboard's sync-rules editor, then redeploy.
+
+#### Option 2: Using PowerSync Dashboard
+
+If you prefer using the web interface:
+
+1. In the [PowerSync dashboard](https://powersync.journeyapps.com/), create a new PowerSync instance:
+		- Right-click on 'PowerSync Project' in the project tree on the left and click "Create new instance"
+		- Pick a name for the instance e.g. "Yjs Demo Test" and proceed.
+
+2. In the "Edit Instance" dialog that follows, click on the "Connections" tab:
+		- Click on the "+" button to create a new database connection.
+		- Input the credentials from the project you created in Supabase. In the Supabase dashboard, under your project you can go to "Project Settings" and then "Database" and choose "URI" under "Connection string", **untick the "Use connection pooling" option** to use the direct connection, and then copy & paste the connection string into the PowerSync dashboard "URI" field, and then enter your database password at the "Password" field.
+		- Click the "Test connection" button and you should see "Connection success!"
+
+3. Click on the "Credentials" tab of the "Edit Instance" dialog:
+		- Tick the "Use Supabase Auth" checkbox and configure the JWT secret.
+		- Click "Save" to save all the changes to your PowerSync instance. The instance will now be deployed — this may take a minute or two.
+
+### 3. Deploy Sync Rules
+
+#### Option 1: Using CLI (if you used CLI setup above)
+The sync rules are already deployed if you followed the CLI setup steps above.
+
+#### Option 2: Using Dashboard
+1. Open the [`sync-rules.yaml`](sync-rules.yaml) in this repo and copy the contents.
+2. In the [PowerSync dashboard](https://powersync.journeyapps.com/), paste that into the 'sync-rules.yaml' editor panel.
+3. Click the "Deploy sync rules" button and select your PowerSync instance from the drop-down list.

database.pgsql

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+-- See our guide for more information on how to set up your Supabase database: 
+-- https://docs.powersync.com/integration-guides/supabase-+-powersync#supabase-powersync
+
+CREATE TABLE IF NOT exists counters
+(
+    id TEXT PRIMARY KEY,
+    count INTEGER NOT NULL DEFAULT 0,
+    owner_id TEXT NOT NULL,
+    created_at TIMESTAMP NOT NULL
+);
+
+-- Create a role/user with replication privileges for PowerSync
+CREATE IF NOT EXISTS ROLE powersync_role WITH REPLICATION BYPASSRLS LOGIN PASSWORD 'myhighlyrandompassword';
+-- Set up permissions for the newly created role
+-- Read-only (SELECT) access is required
+GRANT SELECT ON ALL TABLES IN SCHEMA public TO powersync_role;
+
+-- Create a publication to replicate tables.
+-- Specify a subset of tables to replicate if required.
+-- NOTE: this must be named "powersync" at the moment
+CREATE PUBLICATION powersync FOR ALL TABLES;

eslint.config.js

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+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+import { globalIgnores } from 'eslint/config'
+
+export default tseslint.config([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      reactHooks.configs['recommended-latest'],
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+  },
+])

index.html

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+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>PowerSync</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>

package.json

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+{
+  "name": "vite-react-ts-powersync-supabase",
+  "private": false,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@journeyapps/wa-sqlite": "^1.2.5",
+    "@powersync/react": "^1.5.3",
+    "@powersync/web": "^1.23.0",
+    "@supabase/supabase-js": "^2.50.2",
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0",
+    "vite-plugin-wasm": "^3.4.1"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.29.0",
+    "@types/react": "^19.1.8",
+    "@types/react-dom": "^19.1.6",
+    "@vitejs/plugin-react": "^4.5.2",
+    "eslint": "^9.29.0",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-react-refresh": "^0.4.20",
+    "globals": "^16.2.0",
+    "typescript": "~5.8.3",
+    "typescript-eslint": "^8.34.1",
+    "vite": "^7.0.0"
+  }
+}