How to map to an object using the values of an array of object?

Question

Hi i have the following json response

[{ country: string, code: string}]

now i would like to create an object with array.map(x => {[x.country]: false}) only the syntax [] to use the value of country as a key does not work. the purpose is to have a dynamic checkbox group fetched from the backend How do map the array to { "country": false }

Answer 1

The brackets behind the arrow belong to the function and not to the object you try to create.

Add either ()

array.map(x => ({[x.country]: false}))

or a return value.

array.map(x => {
  return {[x.country]: false};
})