There are a couple of libraries we're going to use often in this book: D3, Topojson, and Lodash. We're using D3 to do our heavy lifting, Topojson to parse geographical data, and Lodash to make data manipulation easier.
You can install them like this:
$ npm install --save d3 topojson lodash
Additionally, we're using Bootstrap for default styling and String for string manipulation. You should install them as well.
$ npm install --save bootstrap string
Now your environment is ready! You should see a default React App page in the
browser without errors. Keep
npm start running as you follow the examples in
Some examples are going to need other libraries. When that happens, I'll remind you to install them.