Tools for linting 'GeoJSON'. Includes tools for interacting with the online tool <http://geojsonlint.com>, the 'Javascript' library 'geojsonhint' (<https://www.npmjs.com/package/geojsonhint>), and validating against a 'GeoJSON' schema via the 'Javascript' library (<https://www.npmjs.com/package/is-my-json-valid>). Some tools work locally while others require an internet connection.
copied from cf-staging / r-geojsonlint