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# useUIState variable

This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.

Simple state management for UI purposes.


useUIState: (rootContext: ApplicationVueContext, stateName?: string | undefined) => {
    isOpen: Readonly<Ref<boolean>>;
    switchState: (to?: boolean | undefined) => void;

# Remarks

If you pase stateName on composable invocation (ex. useUIState(root, 'sidebarCart')), then state is shared between all instances with this key. Otherwise state is local, so multiple useUIState(root) will not share state

# Example

// Component1
const {isOpen, switchState} = useUIState(root, 'SIDEBAR_STATE')

// Component 2
const {isOpen} = useUIState(root, 'SIDEBAR_STATE')
// isOpen will be true

If you'll not use KEY on composable init, then state is only local

// Component1
const {isOpen, switchState} = useUIState(root)

// Component 2
const {isOpen} = useUIState(root)
// isOpen will be false