Barebones example of querying with duckdb-wasm using Vite and just the browser (no front-end framework). No dataset file is loaded; the data is created using the generate_series function.

1. Install the dependencies using npm i
2. Run the example using npm run preview
3. (Optional) If forking, use npm run dev and go from there!

Everything runs from the main.js script which roughly does the following:

1. Import: duckdb-wasm and all its bundle alternatives
2. Pick bundle: Choose based on the browser in-use
3. Instantiate: Start duckdb and create a connection
4. Query: Select from the "database" (generate_series) using a basic query or a prepared statement
5. Close: The connection, database, and worker.

Notes:

• For ease of use when showing the results, JSON copies of the query results are printed to the console. Consequently...
  • ...this example is not acquainted with proper usage of the Apache Arrow objects like Table.
  • Making JSON copies of large query results for console.log may not be advisable