This is a demonstration of the d3fc-label-layout component based on Mike Bostock's Let's Make a Map example. The label layout component provides an easy mechanism for labeling charts and maps in such a way that labels are positioned to avoid collisions, and (optionally) overlapping labels are removed.
https://unpkg.com/babel-polyfill@6.26.0/dist/polyfill.js
https://unpkg.com/custom-event-polyfill@0.3.0/custom-event-polyfill.js
https://cdnjs.cloudflare.com/ajax/libs/document-register-element/1.8.0/document-register-element.js
https://unpkg.com/d3@5.5.0
https://unpkg.com/d3fc@14.0.1
https://npmcdn.com/topojson@1.6.24/build/topojson.min.js