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Framework Quickstarts

Use Supra with SvelteKit

Learn how to create a Supra project, add some sample data to your database, and query the data from a SvelteKit app.

1

Set up a Supra project with sample data

Create a new project in the Supra Dashboard.

After your project is ready, create a table in your Supra database using the SQL Editor in the Dashboard. Use the following SQL statement to create a countries table with some sample data.

SQL_EDITOR

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-- Create the table
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CREATE TABLE countries (
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id SERIAL PRIMARY KEY,
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name VARCHAR(255) NOT NULL
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);
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-- Insert some sample data into the table
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INSERT INTO countries (name) VALUES ('United States');
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INSERT INTO countries (name) VALUES ('Canada');
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INSERT INTO countries (name) VALUES ('Mexico');

2

Create a SvelteKit app

Create a SvelteKit app using the npm create command.

Terminal

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npm create svelte@latest myapp

3

Install the Supra client library

The fastest way to get started is to use the supra-js client library which provides a convenient interface for working with Supra from a SvelteKit app.

Navigate to the SvelteKit app and install supra-js.

Terminal

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cd myapp && npm install @supra/supra-js

4

Create the Supra client

Create a /src/lib directory in your SvelteKit app, create a file called supraClient.js and add the following code to initialize the Supra client with your project URL and public API (anon) key.

src/lib/supraClient.js

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import { createClient } from '@supra/supra-js'
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export const supra = createClient('https://<project>.supra.co', '<your-anon-key>')

5

Query data from the app

Use load method to fetch the data server-side and display the query results as a simple list.

Create +page.server.js file in the routes directory with the following code.

src/routes/+page.server.js

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import { supra } from "$lib/supraClient";
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export async function load() {
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const { data } = await supra.from("countries").select();
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return {
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countries: data ?? [],
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};
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}

Replace the existing content in your +page.svelte file in the routes directory with the following code.

src/routes/+page.svelte

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<script>
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export let data;
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</script>
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<ul>
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{#each data.countries as country}
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<li>{country.name}</li>
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{/each}
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</ul>

6

Start the app

Start the app and go to http://localhost:5173 in a browser and you should see the list of countries.

Terminal

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npm run dev

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