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import React from "react"
interface ContainerProviderProps {
children: React.ReactNode
}
interface Container<Value> {
Provider: React.ComponentType<ContainerProviderProps>
useContainer: () => Value
}
export function createContainer<Value>(useHook: () => Value): Container<Value> {
let Context = React.createContext<Value | null>(null)
function Provider(props: ContainerProviderProps) {
let value = useHook()
return <Context.Provider value={value}>{props.children}</Context.Provider>
}
function useContainer(): Value {
let value = React.useContext(Context)
if (value === null) {
throw new Error("Component must be wrapped with <Container.Provider>")
}
return value
}
return { Provider, useContainer }
}
export function useContainer<Value>(container: Container<Value>): Value {
return container.useContainer()
}
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