Repositories

A repository serves as the Backoffices entry point for requesting data and getting notified about updates. Each domain should register its own repository in the Backoffice.

Register a Repository

import { umbExtensionsRegistry } from '@umbraco-cms/backoffice/extension-registry';
import { MyRepository } from './MyRepository';

const repositoryManifest = {
 type: 'repository',
 alias: 'My.Repository',
 name: 'My Repository',
 api: MyRepository,
};

Repositories can use different data sources depending on the state of the application. The data sources can come from places like a server, an offline database, a store, or a Signal-R connection. That means that the consumer will not have to be concerned how to access the data, add or remove items from a collection, etc. This means we get a loose connection between the consumer and the data-storing procedures, hiding all complex implementation.

Data flow with a repository

Data flow

A repository must be instantiated in the context where it is used. It should take a host element as part of the constructor. This ensures that any contexts consumed in the repository, like notifications or modals, are rendered in the correct DOM context.

A repository can be called directly from an element, but will often be instantiated in a context, like the Workspace Context.

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