Swarmy Map your past Foursquare checkins. Install yarn install yarn dev Go to //localhost:9500. Enter your Foursquare API access token. Reference Maps Leaflet React Leaflet Leaflet API reference Foursquare API Checkins: https://developer.foursquare.com/reference/checkins Venues: https://developer.foursquare.com/reference/venues i18n React i18next Step-by-step guide useTranslation hook with TypeScript 3rd party libs Material UI Core date-fns usehooks-ts Multi-Snackbars Tests React Testing Library Intro to React Testing Library