Remove duplicates from array

let struct = {
  actions: {},
  dirty: false,
  form: "Statement",
  autofill: () => {},
  statement: {
    firstName: "John",
    lastName: "Peter",
    isConfirmed: true
  }
}
const { statement: isConfirmed, isAdmin } = struct

See [https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment#Nested_object_and_array_destructuring]