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use empty array for layouts if not yet loaded when changing layoutset (…
…#11340) * Set layouts as empty array if not loaded yet * Move selected layout set to global ux-editor context * fix tests * Add tests * Move MapIformLayoutsToLayouts outside of comopnent * Filter out eventlistener on window from useLocalStorage hook to separate useReactiveLocalStorage hook
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39 changes: 39 additions & 0 deletions
39
frontend/packages/shared/src/hooks/useEventListener.test.ts
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Original file line number | Diff line number | Diff line change |
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import { renderHook } from '@testing-library/react'; | ||
import userEvent from '@testing-library/user-event'; | ||
import { act } from 'react-dom/test-utils'; | ||
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import { useEventListener } from './useEventListener'; | ||
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const user = userEvent.setup(); | ||
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const renderUseEventListener = (eventType: string, action: () => void) => | ||
renderHook(() => useEventListener(eventType, action), { | ||
initialProps: { eventType, action }, | ||
}); | ||
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describe('useEventListener', () => { | ||
it('Calls action when given event happens', async () => { | ||
const action = jest.fn(); | ||
renderUseEventListener('click', action); | ||
await act(() => user.click(document.body)); | ||
expect(action).toHaveBeenCalledTimes(1); | ||
}); | ||
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it('Does not call action when another event is given', async () => { | ||
const action = jest.fn(); | ||
renderUseEventListener('click', action); | ||
await act(() => user.keyboard('{Enter}')); | ||
expect(action).not.toHaveBeenCalled(); | ||
}); | ||
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it('Removes event listener on unmount', () => { | ||
const removeEventListenerSpy = jest.spyOn( | ||
window, | ||
'removeEventListener', | ||
); | ||
const { unmount } = renderUseEventListener('click', jest.fn()); | ||
expect(removeEventListenerSpy).not.toHaveBeenCalled(); | ||
unmount(); | ||
expect(removeEventListenerSpy).toHaveBeenCalledTimes(1); | ||
}); | ||
}); |
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Original file line number | Diff line number | Diff line change |
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import { useEffect } from 'react'; | ||
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/** | ||
* Adds an event listener to the given element or the document body if no element is given. The listener is removed on unmount. | ||
* @param eventType The event type to listen for. | ||
* @param action The action to perform when the event is triggered. | ||
*/ | ||
export function useEventListener( | ||
eventType: string, | ||
action: () => void, | ||
) { | ||
useEffect(() => { | ||
window.addEventListener(eventType, action); | ||
return () => window.removeEventListener(eventType, action); | ||
}, [eventType, action]); | ||
} |
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20 changes: 20 additions & 0 deletions
20
frontend/packages/shared/src/hooks/useReactiveLocalStorage.ts
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Original file line number | Diff line number | Diff line change |
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import { useCallback } from 'react'; | ||
import { typedLocalStorage } from 'app-shared/utils/webStorage'; | ||
import { useLocalStorage } from './useLocalStorage'; | ||
import { useEventListener } from './useEventListener'; | ||
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export const useReactiveLocalStorage = <T>( | ||
key: string, | ||
initialValue?: T, | ||
): [T, (newValue: T) => void, () => void] => { | ||
const [value, setValue, removeValue] = useLocalStorage(key, initialValue); | ||
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const handleStorageChange = useCallback(() => { | ||
const item = typedLocalStorage.getItem<T>(key); | ||
setValue(item); | ||
}, [key, setValue]); | ||
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useEventListener('storage', handleStorageChange); | ||
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return [value, setValue, removeValue]; | ||
}; |
2 changes: 1 addition & 1 deletion
2
frontend/packages/shared/src/providers/PreviewConnectionContext.tsx
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