use array element as types

DNI9 answered on June 24, 2022 Popularity 8/10 Helpfulness 2/10

answer use array element as types

related typescript use array values as type

use array element as types

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const arrayWithAllFruitsAsvalues = ['apple', 'peach'] as const;

type Fruit = typeof arrayWithAllFruitsAsvalues[number];  // "apple" | "peach"

const objectWithAllFruitsAsKeys: {
  [ key in Fruit ]: any
} = { apple: '', peach: '' }

Popularity 8/10 Helpfulness 2/10 Language typescript

Source: stackoverflow.com

Tags: element types typescript

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Contributed on Jun 24 2022

DNI9

0 Answers Avg Quality 2/10

Closely Related Answers

typescript use array values as type

Comment

// Usage
const a = ["hi", "bye", 3, false] as const;
type ta = UnionOfArrayElements<typeof a>; // false | "hi" | "bye" | 3

const b = [4, 5, 6];
type tb = UnionOfArrayElements<typeof b>; // number

Popularity 10/10 Helpfulness 4/10 Language typescript

Source: stackoverflow.com

Tags: typescript t

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