InvokeAI/invokeai/frontend/web/README.md
2023-04-03 11:04:24 +10:00

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# InvokeAI Web UI
- [InvokeAI Web UI](#invokeai-web-ui)
- [Details](#details)
- [Contributing](#contributing)
- [Dev Environment](#dev-environment)
- [`postinstall` script](#postinstall-script)
- [`@chakra-ui/cli` patch](#chakra-uicli-patch)
- [`redux-persist` patch](#redux-persist-patch)
- [`redux-deep-persist` patch](#redux-deep-persist-patch)
- [Production builds](#production-builds)
The UI is a fairly straightforward Typescript React app. The only really fancy stuff is the Unified Canvas.
Code in `invokeai/frontend/web/` if you want to have a look.
## Details
State management is Redux via [Redux Toolkit](https://github.com/reduxjs/redux-toolkit). Communication with server is a mix of HTTP and [socket.io](https://github.com/socketio/socket.io-client) (with a custom redux middleware to help).
[Chakra-UI](https://github.com/chakra-ui/chakra-ui) for components and styling.
[Konva](https://github.com/konvajs/react-konva) for the canvas, but we are pushing the limits of what is feasible with it (and HTML canvas in general). We plan to rebuild it with [PixiJS](https://github.com/pixijs/pixijs) to take advantage of WebGL's improved raster handling.
[Vite](https://vitejs.dev/) for bundling.
Localisation is via [i18next](https://github.com/i18next/react-i18next), but translation happens on our [Weblate](https://hosted.weblate.org/engage/invokeai/) project. Only the English source strings should be changed on this repo.
## Contributing
Thanks for your interest in contributing to the InvokeAI Web UI!
We encourage you to ping @psychedelicious and @blessedcoolant on [Discord](https://discord.gg/ZmtBAhwWhy) if you want to contribute, just to touch base and ensure your work doesn't conflict with anything else going on. The project is very active.
### Dev Environment
Install [node](https://nodejs.org/en/download/) and [yarn classic](https://classic.yarnpkg.com/lang/en/).
From `invokeai/frontend/web/` run `yarn install` to get everything set up.
Start everything in dev mode:
1. Start the dev server: `yarn dev`
2. Start the InvokeAI UI per usual: `invokeai --web`
3. Point your browser to the dev server address e.g. <http://localhost:5173/>
#### `postinstall` script
The `postinstall` script patches a few packages and runs the Chakra-UI CLI to generate types for the theme.
##### `@chakra-ui/cli` patch
See: <https://github.com/chakra-ui/chakra-ui/issues/7394>
##### `redux-persist` patch
We want to persist the canvas state to `localStorage` but many canvas operations change data very quickly, so we need to debounce the writes to `localStorage`.
`redux-persist` is unfortunately unmaintained. The repo's current code is nonfunctional, but the last release's code depends on a package that was removed from `npm` for being malware, so we cannot just fork it.
So, we have to patch it directly. Perhaps a better way would be to write a debounced storage adapter, but I couldn't figure out how to do that.
##### `redux-deep-persist` patch
This package makes blacklisting and whitelisting persist configs very simple, but we have to patch it to match `redux-persist` for the types to work.
### Production builds
For a number of technical and logistical reasons, we need to commit UI build artefacts to the repo.
If you submit a PR, there is a good chance we will ask you to include a separate commit with a build of the app.
To build for production, run `yarn build`.