Remove objects from a List if the objects have duplicate property

Question

I have a List of objects. All of the objects contain a NAME property. There are several objects that have the same NAME property.

  const arr = [
    {name: "x", place: "a",  age: "13" },
    {name: "x", place: "b", age: "14" },
    {name: "y", place: "c",  age: "15" },
    {name: "d", place: "d", age: "16" }
]

How can I trim the List (or make a new List) where there is only one object per NAME property? Any other duplicates should be removed of the List

I should get a result like this

    const arr = [
    {name: "x", place: "a",  age: "13" },
    {name: "y", place: "c",  age: "15" },
    {name: "d", place: "d", age: "16" }
]

or

    const arr = [
    {name: "x", place: "b", age: "14" },
    {name: "y", place: "c",  age: "15" },
    {name: "d", place: "d", age: "16" }
]

can i do it with Lodash?

Answer 1

Lodash's uniqBy function is exactly what you need:

const _ = require('lodash');
const result = _.uniqBy(arr, 'name');