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Function: isMapBaseLayerKey()

function isMapBaseLayerKey(
 value: unknown
): value is
 | "OpenStreetMap"
 | "CartoDB_DarkMatter"
 | "CartoDB_Positron"
 | "CartoDB_Voyager"
 | "CyclOSM"
 | "Esri_NatGeo"
 | "Esri_Topo"
 | "Esri_WorldGrayCanvas"
 | "Esri_WorldImagery"
 | "Esri_WorldImagery_Labels"
 | "Esri_WorldPhysical"
 | "Esri_WorldShadedRelief"
 | "Esri_WorldStreetMap"
 | "Esri_WorldStreetMap_Labels"
 | "Esri_WorldTerrain"
 | "Esri_WorldTopo_Labels"
 | "Humanitarian"
 | "OpenFreeMap_Bright"
 | "OpenFreeMap_Dark"
 | "OpenFreeMap_Fiord"
 | "OpenFreeMap_Liberty"
 | "OpenFreeMap_Positron"
 | "OpenRailwayMap"
 | "OpenSeaMap"
 | "OpenTopoMap"
 | "OSM_DE"
 | "OSM_France"
 | "Satellite"
 | "Thunderforest_Cycle"
 | "Thunderforest_Transport"
 | "WaymarkedTrails_Cycling"
 | "WaymarkedTrails_Hiking"
 | "WaymarkedTrails_Slopes";

Defined in: utils/state/domain/mapBaseLayerContract.ts:57

Parameters​

value​

unknown

Returns​

value is "OpenStreetMap" | "CartoDB_DarkMatter" | "CartoDB_Positron" | "CartoDB_Voyager" | "CyclOSM" | "Esri_NatGeo" | "Esri_Topo" | "Esri_WorldGrayCanvas" | "Esri_WorldImagery" | "Esri_WorldImagery_Labels" | "Esri_WorldPhysical" | "Esri_WorldShadedRelief" | "Esri_WorldStreetMap" | "Esri_WorldStreetMap_Labels" | "Esri_WorldTerrain" | "Esri_WorldTopo_Labels" | "Humanitarian" | "OpenFreeMap_Bright" | "OpenFreeMap_Dark" | "OpenFreeMap_Fiord" | "OpenFreeMap_Liberty" | "OpenFreeMap_Positron" | "OpenRailwayMap" | "OpenSeaMap" | "OpenTopoMap" | "OSM_DE" | "OSM_France" | "Satellite" | "Thunderforest_Cycle" | "Thunderforest_Transport" | "WaymarkedTrails_Cycling" | "WaymarkedTrails_Hiking" | "WaymarkedTrails_Slopes"