JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js"></script>

JavaScript

var a = {
    name : "Foo",
    amount: 55,
    reported : false,
    date : "10/01/2001"
};

var serverKeyMap = {
    name : "id",
    amount : "total",
    reported : "updated",
    date : "issued"
};

b = _.mapKeys(a, function(value, key) {
	return serverKeyMap[key];
});

console.log(b);