Tonic allows you to require multiple versions of the same package, which gives you the unique ability to compare them. Here we'll see what the difference is between ramda 0.9.1 and the latest state of the art:
var oldRamdaKey = Object.keys(require("[email protected]"));
var newRamdaKeys = Object.keys(require("ramda"));
var diff = require("json-diff").diffString(oldRamdaKey, newRamdaKeys);
var html = require("ansi2html")(diff).replace(/\n/g, "<br>").replace(/\[<br>/, "")