Find total assets

gemHunt.js

//Assets calculator

let people = [{
  "id": 1,                        // Person Id
  "name": "Amal Shehu",           // Name of person
  "date": "2017-5-27",            // Date
  "totalAssets": 500,             // Sum of total (gems collected)
  "gems": [{                      // Gems collected from forest
    "total": 500,           // totalCollected * value
    "value": 100,           // Value of one gem (Ruby = 100)
    "totalCollected": 5,    // Total number
    "gemName": "Ruby",      // Gem name
    "gemCode": "GEM001"     // Gem code
  }]
}, {
  "id": 2,
  "name": "Jikku",
  "date": "2017-5-28",
  "totalAssets": 1300, // TotalAssets = Emerald.total + Moonstone.total
  "gems": [{
    "total": 900,
    "value": 150,
    "totalCollected": 6,
    "gemName": "Emerald",
    "gemCode": "GEM002"
  }, {
    "total": 400,
    "value": 200,
    "totalCollected": 2,
    "gemName": "Moonstone",
    "gemCode": "GEM003"
  }]
}, {
  "id": 3,
  "name": "Rakesh",
  "date": "2017-5-29",
  "totalAssets": 2900,
  "gems": [{
      "total": 1500,
      "value": 150,
      "totalCollected": 10,
      "gemName": "Emerald",
      "gemCode": "GEM002"
    }, {
      "total": 1000,
      "value": 200,
      "totalCollected": 5,
      "gemName": "Moonstone",
      "gemCode": "GEM003"
    },
    {
      "total": 400,
      "value": 100,
      "totalCollected": 4,
      "gemName": "Ruby",
      "gemCode": "GEM001"
    }
  ]
}]

computeTotal = () => {
 // Target object

  //  "totalAssets": Total assets of all people ie,people[0].totalAssets + people[1]
  //  "gemsValueTotal":[{
  //    "Ruby": Total ruby value collected by people ie, people[0].gems[0].total + people[1]...
  //    "Emerald": ...,
  //    "Moonstone: ...",
  //    "Diamond" : ..., will be 0. Because no Diamond collected.
  //  }]
}