var geojson2mvt = require('../src'); const filePath = './bus_routes.geojson'; var options = { rootDir: 'tiles', bbox : [40.426042,-74.599228,40.884448,-73.409958], //[south,west,north,east] zoom : { min : 8, max : 18, }, layerName: 'layer0', }; geojson2mvt(filePath, options);