mirror of
https://github.com/element-hq/element-web
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79 lines
3.4 KiB
Markdown
79 lines
3.4 KiB
Markdown
# Customisations
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### 🦖 DEPRECATED
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Customisations have been deprecated in favour of the [Module API](https://github.com/element-hq/element-web/blob/develop/docs/modules.md).
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If you have use cases from customisations which are not yet available via the Module API please open an issue.
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Customisations will be removed from the codebase in a future release.
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---
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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 [media customisations
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module](https://github.com/element-hq/element-web/blob/develop/src/customisations/Media.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/YourNameMedia.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. Create/add an entry to `customisations.json` next to the webpack config:
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```json
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{
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"src/customisations/Media.ts": "src/customisations/YourNameMedia.ts"
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}
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```
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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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**Note**: The project deliberately does not exclude `customisations.json` from Git.
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This is to ensure that in shared projects it's possible to have a common config. By
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default, Element Web does _not_ ship with this file to prevent conflicts.
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### Custom components
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Maintainers can use the above system to override components if they wish. Maintenance and API surface compatibility are
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left as a responsibility for the project - the layering in Element Web (including the react-sdk) do not make guarantees
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that properties/state machines won't change.
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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/element-hq/element-web/blob/master/src/customisations/ComponentVisibility.ts) following the instructions above.
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`shouldShowComponent` determines whether 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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```typescript
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function shouldShowComponent(component: UIComponent): boolean {
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if (component === UIComponent.CreateSpaces) {
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// customConditionCheck() is a function of your own creation
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const userMeetsCondition = customConditionCheck(MatrixClientPeg.get().getUserId());
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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 the custom condition.
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