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feat(client): Zoom the map onto the selected location
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| import { bbox } from "@turf/bbox"; | ||
| import { useEffect, useMemo, useRef } from "react"; | ||
| import { MapRef } from "react-map-gl"; | ||
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| import useLocation from "@/hooks/use-location"; | ||
| import { useLocationByCode } from "@/hooks/use-location-by-code"; | ||
| import usePrevious from "@/hooks/use-previous"; | ||
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| export default function useApplyMapLocation(map: MapRef | null) { | ||
| const [location] = useLocation(); | ||
| const previousLocation = usePrevious(location); | ||
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| // This flag indicates when to zoom the map on the location | ||
| const triggerFitBoundsRef = useRef(false); | ||
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| const { data, isLoading } = useLocationByCode(location.code.slice(-1)[0], ["geometry"]); | ||
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| const bounds = useMemo(() => { | ||
| if (isLoading || data?.geometry === undefined || data?.geometry === null) { | ||
| return undefined; | ||
| } | ||
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| // eslint-disable-next-line @typescript-eslint/ban-ts-comment | ||
| // @ts-ignore | ||
| return bbox(data.geometry) as [number, number, number, number]; | ||
| }, [data, isLoading]); | ||
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| useEffect(() => { | ||
| const hasChangedLocation = location !== previousLocation; | ||
| if (hasChangedLocation) { | ||
| triggerFitBoundsRef.current = true; | ||
| } | ||
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| if (map && !!bounds && triggerFitBoundsRef.current) { | ||
| map.fitBounds(bounds); | ||
| triggerFitBoundsRef.current = false; | ||
| } | ||
| }, [map, location, previousLocation, data, isLoading]); | ||
| } |
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