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d4a019b27a
* add componentvisibility to customisation md Signed-off-by: Kerry Archibald <kerrya@element.io> * few more words Signed-off-by: Kerry Archibald <kerrya@element.io>
61 lines
2.8 KiB
Markdown
61 lines
2.8 KiB
Markdown
# Customisations
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Element Web and the React SDK support "customisation points" that can be used to
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easily add custom logic specific to a particular deployment of Element Web.
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An example of this is the [security customisations
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module](https://github.com/matrix-org/matrix-react-sdk/blob/develop/src/customisations/Security.ts).
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This module in the React SDK only defines some empty functions and their types:
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it does not do anything by default.
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To make use of these customisation points, you will first need to fork Element
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Web so that you can add your own code. Even though the default module is part of
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the React SDK, you can still override it from the Element Web layer:
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1. Copy the default customisation module to
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`element-web/src/customisations/YourNameSecurity.ts`
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2. Edit customisations points and make sure export the ones you actually want to
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activate
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3. Tweak the Element build process to use the customised module instead of the
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default by adding this to the `additionalPlugins` array in `webpack.config.js`:
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```js
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new webpack.NormalModuleReplacementPlugin(
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/src[\/\\]customisations[\/\\]Security\.ts/,
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path.resolve(__dirname, 'src/customisations/YourNameSecurity.ts'),
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),
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```
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If we add more customisation modules in the future, we'll likely improve these
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steps to remove the need for build changes like the above.
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By isolating customisations to their own module, this approach should remove the
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chance of merge conflicts when updating your fork, and thus simplify ongoing
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maintenance.
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### Component visibility customisation
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UI for some actions can be hidden via the ComponentVisibility customisation:
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- inviting users to rooms and spaces,
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- creating rooms,
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- creating spaces,
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To customise visibility create a customisation module from [ComponentVisibility](https://github.com/matrix-org/matrix-react-sdk/blob/master/src/customisations/ComponentVisibility.ts) following the instructions above.
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`shouldShowComponent` determines whether or not the active MatrixClient user should be able to use
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the given UI component. When `shouldShowComponent` returns falsy all UI components for that feature will be hidden.
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If shown, the user might still not be able to use the
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component depending on their contextual permissions. For example, invite options
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might be shown to the user but they won't have permission to invite users to
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the current room: the button will appear disabled.
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For example, to only allow users who meet a certain condition to create spaces:
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```
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function shouldShowComponent(component: UIComponent): boolean {
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if (component === UIComponent.CreateSpaces) {
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const userMeetsCondition = <<check your custom condition here>>
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return userMeetsCondition;
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}
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return true;
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}
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```
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In this example, all UI related to creating a space will be hidden unless the users meets a custom condition. |