JSFiddle - React, Tailwind, and code Playground

HTML

<script src=" https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.11.1/lodash.js"></script>
<!-- ([
  _.head(collection).timestamp,
  _.sum(_.map(collection, ({ count }) => count))
])); -->


const totals = _.map(series, collection => {
  collection.map((value, key) => {
    console.log(value, key);
  })
});

console.log(series);

JavaScript

var inputs = [
  {
    name: 'google',
    data: [[1483228800000, 1000], [1483401600000, 3000], [1483488000000, 4000], [1483574400000, 5000]],
  },
  {
    name: 'apple',
    data: [[1483228800000, 6000], [1483315200000, 7000], [1483401600000, 8000], [1483488000000, 9000], [1483574400000, 10000]],
  }];

var output = [
  {
    name: 'google',
    data: [[1483228800000, 1000], [1483315200000, 2000], [1483401600000, 3000], [1483488000000, 4000], [1483574400000, 5000]],
  },
  {
    name: 'apple',
    data: [[1483228800000, 6000], [1483315200000, 7000], [1483401600000, 8000], [1483488000000, 9000], [1483574400000, 10000]],
  },
  {
    name: 'total',
    data: [[1483228800000, 7000], [1483315200000, 9000], [1483401600000, 11000], [1483488000000, 13000], [1483574400000, 15000]],
  }];
 
const d = inputs.map(({ name, data }) => data);



console.log(d);