https://twitter.com/anatudor/status/923249258807078914

bla.js

var thing = {x: [0, 1, 2], y: [3, 4, 5]};

function transform (thing) {
  let keys   = Object.keys(thing)       // ["x", "y"]
  let values = Object.values(thing)     // [[0, 1, 2], [3, 4, 5]]	
  let count = values[0].length
  
  if( !values.every(subarray => subarray.length == count)) {
    throw "Sub-Arrays aren't the same length"
  }

  var out = []
  
  for (var index = 0; index != count; index++) {
    // [[0, 1, 2], [3, 4, 5]]	→ [0, 3] with index=0
    let value = values.map(subarray => subarray[index])
    
    let obj = keys.reduce(function (obj, key, index) {
      obj[key] = value[index]
      return obj
    }, {})
    
    out.push(obj)
  }
  return out
};

console.log(transform(thing))
// [{x: 0, y: 3}, {x: 1, y: 4}, {x: 2, y: 5}