@slorber/react-google-maps/src/map-context.ts

React.js Google Maps API integration

import { useContext, createContext } from "react"
import invariant from "invariant"

const MapContext = createContext<google.maps.Map | null>(null)

export function useGoogleMap(): google.maps.Map | null {
  invariant(
    !!useContext,
    "useGoogleMap is React hook and requires React version 16.8+",
  )

  const map = useContext(MapContext)

  invariant(
    !!map,
    "useGoogleMap needs a GoogleMap available up in the tree"
  )

  return map
}

export default MapContext