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typescript get type of object property

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Gubo97000 answered on May 7, 2021 Popularity 10/10 Helpfulness 3/10

answer typescript get type of object property

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typescript get type of object property

Comment

type Data = {
  value: number;
  text: string;
};
type textProperty = Data["text"]; //string

//OR
const data = {
  value: 123,
  text: 'hello'
};
type textProperty = typeof data["text"]; //string

Popularity 10/10 Helpfulness 3/10 Language typescript

Source: Grepper

Tags: get object-property typescript

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Contributed on May 07 2021

Gubo97000

0 Answers Avg Quality 2/10

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typescript get typeof object values

Comment

const myObj = { a: 1, b: 'some_string' } as const;
type values = typeof myObj[keyof typeof myObj];
// values = 1 | 'some_string'

Popularity 10/10 Helpfulness 6/10 Language typescript

Source: stackoverflow.com

Tags: get

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Contributed on Dec 16 2022

Obedient Oyster

0 Answers Avg Quality 2/10

ts get type of object

Comment

export const OBJECT = {
  FOO: 'foo',
} as const;
export type TObjectKey = keyof typeof OBJECT;
export type TObjectValue = (typeof OBJECT)[TObjectKey];

Popularity 9/10 Helpfulness 4/10 Language typescript

Source: Grepper

Tags: get object objec

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Contributed on Apr 02 2023

TindyC

0 Answers Avg Quality 2/10

object of object type in typescript

Comment

let indexedArray: {[key: string]: number}

let indexedArray: {[key: string]: number} = {
    foo: 123,
    bar: 456
}

indexedArray['foo'] = 12;
indexedArray.foo= 45;

Popularity 10/10 Helpfulness 4/10 Language typescript

Source: Grepper

Tags: object ob

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Contributed on Sep 24 2022

Nickton

0 Answers Avg Quality 2/10

typescript type only the object value

Comment

const satisfies = <T,>() => <U extends T>(u: U) => u;

const mapper1 = satisfies<Record<string, Type1>>()({ foo1: bar1, foo2: bar2 });
const mapper2 = satisfies<Record<string, Type2>>()({ foo3: bar3, foo4: bar4 });
export type MapperKeys = keyof typeof mapper1 | keyof typeof mapper2;
// type MapperKeys = "foo1" | "foo2" | "foo3" | "foo4"

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: stackoverflow.com

Tags: object ob

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Contributed on Oct 21 2022

DevPedrada

0 Answers Avg Quality 2/10

ts get type of object values

Comment

const KeyToVal = {
    MyKey1: 'myValue1',
    MyKey2: 'myValue2',
} as const;

type Keys = keyof typeof KeyToVal;
type Values = typeof KeyToVal[Keys]; //  "myValue1" | "myValue2"

Popularity 6/10 Helpfulness 2/10 Language typescript

Source: stackoverflow.com

Tags: get object typescript

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Contributed on Mar 01 2024

Jokerinya

0 Answers Avg Quality 2/10

typescript get type of object property

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