Typescript look through object and change string to title case?

Question

I have an object that looks like this

obj = [ {name: 'john', address:'123 whateverdr'}, {name: 'james', address:'123 whateverdr'}, {name: 'tom brady', address:'123 whateverdr'}]

I need to change the name to title case John or in the 3rd item Tom Brady needs to be title case;

Is there a one liner way that this can be done in typescript? The below doesnt work as it says obj.map is not a function

obj.map(d => d[0].toUpperCase() + d.substr(1));
          var wordArr = obj.map(m => m.split(" "));
          var newArr = wordArr.map(function (word) {
            word = word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
            obj = newArr;
          });
        }

Iterate over array of objects; Loop through objects: How do I loop through or enumerate a JavaScript object?. Change string to title case: Convert string to title case with JavaScript — Heretic Monkey
– Heretic Monkey, Commented Nov 8, 2019 at 18:55

Medet Tleukabiluly · Accepted Answer · 2019-11-08 18:48:38Z

2

var obj = [{
  name: 'john',
  address: '123 whateverdr'
}, {
  name: 'james',
  address: '123 whateverdr'
}, {
  name: 'tom brady',
  address: '123 whateverdr'
}];

var normal = obj.map(v => ({
  ...v,
  name: v.name
    .split(' ')
    .map(s => s.charAt(0).toUpperCase() + s.substring(1))
    .join(' ')
}))
console.log(normal);

answered Nov 8, 2019 at 18:48

Medet Tleukabiluly

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