| 1 | import { useContext, createContext } from 'react'
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| 2 | import invariant from 'invariant'
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| 3 |
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| 4 | const MapContext = createContext<google.maps.Map | null>(null)
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| 5 |
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| 6 | export function useGoogleMap(): google.maps.Map | null {
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| 7 | invariant(!!useContext, 'useGoogleMap is React hook and requires React version 16.8+')
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| 8 |
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| 9 | const map = useContext(MapContext)
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| 10 |
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| 11 | invariant(!!map, 'useGoogleMap needs a GoogleMap available up in the tree')
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| 12 |
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| 13 | return map
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| 14 | }
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| 15 |
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| 16 | export default MapContext
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