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Learn Push 2 with Svelte (and WebMIDI)

🌸 Currently very early in development! Feel free to contribute <3 🌸

Learn chords, scales, and music theory on the Push 2, right inside your web browser! This started as a project to test out Svelte but it turns out it's really useful 🤷‍♀️

Demo

View in any Chromium-based browser

preview.mp4

Features

  • Experimental Push 2 display driver with WebUSB and Pyodide (via WebASM)
  • Works on Push 2 and Push 1 (without a working display driver at the moment)
  • Highlights chords and scales onscreen and on your controller display and pads
  • Overlays useful music theory information on top of your pads
  • Mirrors the physical controller onscreen in real time
  • Shows a traditional keyboard mapped to your controller's pads
  • Predicts the chord you're currently playing
  • Helps you practice chord progressions (think Guitar Hero)
  • A few sounds and a TON of chords, chord progressions, and scales to try out
  • Easy to add other controllers (e.g. Launchpad), layout generators, and sounds because TypeScript is awesome!
  • Super performant thanks in part to to Svelte's stores implementation and its easy nesting

Thanks to @stordahl for introducing me to Svelte!

Roadmap

  • UI improvements

Future ideas/improvements

  • Launchpad support
  • Push 1 display support
  • Song bank
  • Drumming practice
  • Fix chord equality (e.g. when advancing the chord bank)
  • Rewrite display driver in Rust (or another language) w/ WebASM
  • Configure a code formatter
  • Real-time remote jam sessions through WebRTC!?
  • ???
  • No profit (donate to mutual aid or a trans organization near you instead!)

This is a project template for Svelte apps. It lives at https://github.com/sveltejs/template.

To create a new project based on this template using degit:

npx degit sveltejs/template svelte-app
cd svelte-app

Note that you will need to have Node.js installed.

Get started

Install the dependencies...

cd svelte-app
npm install

...then start Rollup:

npm run dev

Navigate to localhost:5000. You should see your app running. Edit a component file in src, save it, and reload the page to see your changes.

By default, the server will only respond to requests from localhost. To allow connections from other computers, edit the sirv commands in package.json to include the option --host 0.0.0.0.

If you're using Visual Studio Code we recommend installing the official extension Svelte for VS Code. If you are using other editors you may need to install a plugin in order to get syntax highlighting and intellisense.

Building and running in production mode

To create an optimised version of the app:

npm run build

You can run the newly built app with npm run start. This uses sirv, which is included in your package.json's dependencies so that the app will work when you deploy to platforms like Heroku.

Single-page app mode

By default, sirv will only respond to requests that match files in public. This is to maximise compatibility with static fileservers, allowing you to deploy your app anywhere.

If you're building a single-page app (SPA) with multiple routes, sirv needs to be able to respond to requests for any path. You can make it so by editing the "start" command in package.json:

"start": "sirv public --single"

Using TypeScript

This template comes with a script to set up a TypeScript development environment, you can run it immediately after cloning the template with:

node scripts/setupTypeScript.js

Or remove the script via:

rm scripts/setupTypeScript.js

Deploying to the web

With Vercel

Install vercel if you haven't already:

npm install -g vercel

Then, from within your project folder:

cd public
vercel deploy --name my-project

With surge

Install surge if you haven't already:

npm install -g surge

Then, from within your project folder:

npm run build
surge public my-project.surge.sh

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Learn chords, scales, and music theory on the Push 2, right inside your web browser!

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