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Throw error if no communicator was found in a react context

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Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>
This commit is contained in:
Tilman Vatteroth 2021-06-17 18:02:16 +02:00
parent 57f46f489b
commit 31ca77ebfa
6 changed files with 58 additions and 38 deletions
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19
src/components/editor-page/render-context/iframe-editor-to-renderer-communicator-context-provider.tsx
View file

@ -4,15 +4,26 @@
* SPDX-License-Identifier: AGPL-3.0-only
*/
import React, { useContext, useMemo } from 'react'
import React, { createContext, useContext, useMemo } from 'react'
import { IframeEditorToRendererCommunicator } from '../../render-page/iframe-editor-to-renderer-communicator'
const IFrameEditorToRendererCommunicatorContext = React.createContext<IframeEditorToRendererCommunicator | undefined>(
const IFrameEditorToRendererCommunicatorContext = createContext<IframeEditorToRendererCommunicator | undefined>(
undefined
)
export const useIFrameEditorToRendererCommunicator: () => IframeEditorToRendererCommunicator | undefined = () =>
useContext(IFrameEditorToRendererCommunicatorContext)
/**
* Provides the {@link IframeEditorToRendererCommunicator editor to renderer iframe communicator} that is set by a {@link IframeEditorToRendererCommunicatorContextProvider context provider}.
*
* @return the received communicator
* @throws Error if no communicator was received
*/
export const useIFrameEditorToRendererCommunicator: () => IframeEditorToRendererCommunicator = () => {
const communicatorFromContext = useContext(IFrameEditorToRendererCommunicatorContext)
if (!communicatorFromContext) {
throw new Error('No editor-to-renderer-iframe-communicator received. Did you forget to use the provider component?')
}
return communicatorFromContext
}
export const IframeEditorToRendererCommunicatorContextProvider: React.FC = ({ children }) => {
const currentIFrameCommunicator = useMemo<IframeEditorToRendererCommunicator>(

15
src/components/editor-page/render-context/iframe-renderer-to-editor-communicator-context-provider.tsx
View file

@ -13,8 +13,19 @@ const IFrameRendererToEditorCommunicatorContext = createContext<IframeRendererTo
undefined
)
export const useIFrameRendererToEditorCommunicator: () => IframeRendererToEditorCommunicator | undefined = () =>
useContext(IFrameRendererToEditorCommunicatorContext)
/**
* Provides the {@link IframeRendererToEditorCommunicator renderer to editor iframe communicator} that is set by a {@link IframeRendererToEditorCommunicatorContextProvider context provider}.
*
* @return the received communicator
* @throws Error if no communicator was received
*/
export const useIFrameRendererToEditorCommunicator: () => IframeRendererToEditorCommunicator = () => {
const communicatorFromContext = useContext(IFrameRendererToEditorCommunicatorContext)
if (!communicatorFromContext) {
throw new Error('No renderer-to-editor-iframe-communicator received. Did you forget to use the provider component?')
}
return communicatorFromContext
}
export const IframeRendererToEditorCommunicatorContextProvider: React.FC = ({ children }) => {
const editorOrigin = useSelector((state: ApplicationState) => state.config.iframeCommunication.editorOrigin)