is a project in typescript when you will find all types of schemas in geoJSON, this project is based in https://github.com/geojson/schema

Is ready for import from denojs, nodejs and browsers

Also this project has a two functions for get all points or get all polygons from only the following schemas: featurecollections and geometryCollection

example code:

filterPoints(geoJsonFiles); // return array of points

filterPolygons(geoJsonFiles); // return array of polygons

Important

This a project in progress, if you are interesting in add more feature please join its and create more tools for help to all comunity of GIS proffesinals