typescript get typeof object values

Obedient Oyster answered on May 7, 2021 Popularity 8/10 Helpfulness 7/10

answer typescript get typeof object values

related typescript get type of object property

related check type of object typescript

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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 8/10 Helpfulness 7/10 Language typescript

Source: stackoverflow.com

Tags: get object typeof typescript

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Contributed on Dec 16 2022

Obedient Oyster

0 Answers Avg Quality 2/10

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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

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Contributed on May 07 2021

Gubo97000

0 Answers Avg Quality 2/10

check type of object typescript

Comment

function isFish(pet: Fish | Bird): pet is Fish {
   return (<Fish>pet).swim !== undefined;
}

// Both calls to 'swim' and 'fly' are now okay.
if (isFish(pet)) {
  pet.swim();
}
else {
  pet.fly();
}

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: stackoverflow.com

Tags: typescript t

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Contributed on Sep 15 2021

Dotch

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 9/10 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

typescript get typeof object values

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typescript get typeof object values

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typescript get type of object property

check type of object typescript

typescript type only the object value

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