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Update instructions to include service worker

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R Midhun Suresh 2024-08-20 17:05:39 +05:30
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doc/SDK.md
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@ -1,12 +1,12 @@
# Hydrogen View SDK
The Hydrogen view SDK allows developers to integrate parts of the Hydrogen application into the UI of their own application. Hydrogen is written with the MVVM pattern, so to construct a view, you'd first construct a view model, which you then pass into the view. For most view models, you will first need a running client.
This SDK allows developers to integrate parts of the Hydrogen application into the UI of their own application. Hydrogen is written with the MVVM pattern, so to construct a view, you'd first construct a view model, which you then pass into the view. For most view models, you will first need a running client.
## Changelog
[See CHANGELOG.md](./CHANGELOG.md)
## Example
## Tutorial
The Hydrogen SDK requires some assets to be shipped along with your app for things like downloading attachments, and end-to-end encryption. A convenient way to make this happen is provided by the SDK (importing `hydrogen-view-sdk/paths/vite`) but depends on your build system. Currently, only [vite](https://vitejs.dev/) is supported, so that's what we'll be using in the example below.
@ -20,6 +20,19 @@ yarn
yarn add hydrogen-view-sdk
yarn add https://gitlab.matrix.org/api/v4/projects/27/packages/npm/@matrix-org/olm/-/@matrix-org/olm-3.2.14.tgz
```
#### Including the service worker
In addition to the assets mentioned above, you will also need to supply a serviceworker. This is needed for supporting authenticated media ([MSC3916](https://github.com/matrix-org/matrix-spec-proposals/pull/3916), [blog post](https://matrix.org/blog/2024/06/26/sunsetting-unauthenticated-media/)).
This is how you can do that:
1. create a `public` directory in your project root.
2. In your `vite.config.js` file, configure [publicDir](https://vitejs.dev/config/shared-options.html#publicdir) option to point to the directory you just created.
3. Symlink `node_modules/hydrogen-view-sdk/lib-assets/sw.js` to `public/sw.js`:
```bash
cd public
ln -s ../node_modules/hydrogen-view-sdk/lib-assets/sw.js sw.js
```
Now `sw.js` will be in the root of your dev server/ build root.
#### Rendering the app
You should see a `index.html` in the project root directory, containing an element with `id="app"`. Add the attribute `class="hydrogen"` to this element, as the CSS we'll include from the SDK assumes for now that the app is rendered in an element with this classname.
@ -51,7 +64,8 @@ const assetPaths = {
wasm: olmWasmPath,
legacyBundle: olmLegacyJsPath,
wasmBundle: olmJsPath
}
},
serviceWorker: "sw.js",
};
import "hydrogen-view-sdk/assets/theme-element-light.css";
// OR import "hydrogen-view-sdk/assets/theme-element-dark.css";
@ -62,6 +76,7 @@ async function main() {
const platform = new Platform({container: app, assetPaths, config, options: { development: import.meta.env.DEV }});
const navigation = createNavigation();
platform.setNavigation(navigation);
await platform.init();
const urlRouter = createRouter({
navigation: navigation,
history: platform.history