import "@here/harp-fetch" ; import { GeoJson , ITiler , WorkerServiceProtocol } from "@here/harp-datasource-protocol" ; import { TileKey } from "@here/harp-geoutils" ; import { ConcurrentTilerFacade } from "@here/harp-mapview" ; import { DataProvider } from "@here/harp-mapview-decoder" ; import { LoggerManager } from "@here/harp-utils" ; import { GEOJSON_TILER_SERVICE_TYPE } from "./OmvDecoderDefs" ; const logger = LoggerManager . instance . create ( "GeoJsonDataProvider" ) ; const INVALIDATED = "invalidated" ; export interface GeoJsonDataProviderOptions { default workerTilerUrl ? : string ; remarks If not provided,  GeoJsonDataProvider will obtain `WorkerBasedTiler`
     * from `ConcurrentTilerFacade`.
      tiler ? : ITiler ; /**
     * Timeout for connecting to the web worker in seconds. Default to 10s, search for:
     * DEFAULT_WORKER_INITIALIZATION_TIMEOUT
     */ workerConnectionTimeout ? : number ; } let missingTilerServiceInfoEmitted = false ; /**
 * GeoJson  {@link @here/harp-mapview-decoder@DataProvider} .
 *
 *  remarks export class GeoJsonDataProvider extends DataProvider { private readonly m_tiler : ITiler ; private m_registered = false ; param name param input param options returns constructor ( readonly name , public input , options ? ) { super ( ) ; this . m_tiler = options ?. tiler ?? ConcurrentTilerFacade . getTiler ( GEOJSON_TILER_SERVICE_TYPE , options ?. workerTilerUrl , options ?. workerConnectionTimeout ) ; } async connect ( ) { try { await this . m_tiler . connect ( ) ; } catch ( error ) { if ( WorkerServiceProtocol . isUnknownServiceError ( error ) && ! missingTilerServiceInfoEmitted ) { logger . info ( "Unable to start GeoJson tiler service in worker. Use " + " 'OmvTilerService.start();' in decoder script." ) ; missingTilerServiceInfoEmitted = true ; } throw error ; } await this . m_tiler . registerIndex ( this . name , this . input ) ; this . m_registered = true ; } updateInput ( input ) { this . input = input ; this . m_tiler . updateIndex ( this . name , this . input ) ; this . dispatchEvent ( { type : INVALIDATED } ) ; } ready ( ) { return this . m_registered ; } async getTile ( tileKey ) { return await this . m_tiler . getTile ( this . name , tileKey ) ; } onDidInvalidate ( listener ) { this . addEventListener ( INVALIDATED , listener ) ; return ( ) => this . removeEventListener ( INVALIDATED , listener ) ; } /**
     * Destroys this `GeoJsonDataProvider`.
     */ dispose ( ) { this . m_tiler . dispose ( ) ; } }