Now as I mentioned earlier, some libraries support promises while others don't. The request library does not support promises. We will make a function that wraps request, returning a promise. We'll use some functionalities from the geocode.js file from the previous chapter.
First, let's discuss a quick setup, and then we'll actually fill it out. In the playground folder, we can make a new file to store this, called promise-2.js:
We'll make a function called geocodeAddress. The geocodeAddress function will take the plain text address, and it will return a promise:
var geocodeAddress = (address) => {};
The geocodeAddress ...
