@loaders.gl/mvt/dist/mvt-loader.js

Loader for Mapbox Vector Tiles

// loaders.gl
// SPDX-License-Identifier: MIT
// Copyright vis.gl contributors
// import type {MVTOptions} from './lib/types';
import { parseMVT } from "./lib/parse-mvt.js";
// __VERSION__ is injected by babel-plugin-version-inline
// @ts-ignore TS2304: Cannot find name '__VERSION__'.
const VERSION = typeof "4.3.2" !== 'undefined' ? "4.3.2" : 'latest';
/**
 * Worker loader for the Mapbox Vector Tile format
 */
export const MVTWorkerLoader = {
    dataType: null,
    batchType: null,
    name: 'Mapbox Vector Tile',
    id: 'mvt',
    module: 'mvt',
    version: VERSION,
    // Note: ArcGIS uses '.pbf' extension and 'application/octet-stream'
    extensions: ['mvt', 'pbf'],
    mimeTypes: [
        // https://www.iana.org/assignments/media-types/application/vnd.mapbox-vector-tile
        'application/vnd.mapbox-vector-tile',
        'application/x-protobuf'
        // 'application/octet-stream'
    ],
    worker: true,
    category: 'geometry',
    options: {
        mvt: {
            shape: 'geojson',
            coordinates: 'local',
            layerProperty: 'layerName',
            layers: undefined,
            tileIndex: undefined
        }
    }
};
/**
 * Loader for the Mapbox Vector Tile format
 */
export const MVTLoader = {
    ...MVTWorkerLoader,
    parse: async (arrayBuffer, options) => parseMVT(arrayBuffer, options),
    parseSync: parseMVT,
    binary: true
};