Typescript pick

Typescript keyof

interface Person {
  name: string;
  age: number;
  location: string;
}

type K1 = keyof Person; // "name" | "age" | "location"
type K2 = keyof Person[]; // "length" | "push" | "pop" | "concat" | ...
type K3 = keyof { [x: string]: Person }; // string

Typescript pick

interface Tarea {
  titulo: string;
  descripcion: string;
  completado: boolean;
}

type TareaReducido = Pick<Tarea, "titulo" | "descripcion">;

const tarea: TareaReducido = {
  titulo: "Limpiar Recamara",
  descripcion: "Poner en orden todo lo que existe en la recamara",
};

Source: apuntes.de

Typescript utility types merge interfaces

interface A {
    x: string
}

interface B extends Omit<A, 'x'> {
  x: number
}

Source: stackoverflow.com

Similar codes

1 vote193 views3 answers
React-router-dom for typescript
TypeScript
1 vote206 views1 answer
Return the Objects Keys and Values
TypeScript
5 votes199 views4 answers
Element implicitly has an 'any' type because expression of type 'string' can't be used to index type
TypeScript
0 vote202 views2 answers
Unique list typescript
TypeScript
0 vote215 views1 answer
Display Popular Posts laravel
TypeScript
0 vote190 views1 answer
Typescript code region
TypeScript
2 votes181 views1 answer
Visual Studio Code Typescript region folding
TypeScript
2 votes204 views1 answer
Cannot find module 'next' or its corresponding type declarations.
TypeScript
0 vote212 views1 answer
Update multiple documents with different field value by id set. Mongoose
TypeScript
1 vote204 views1 answer
Converting an image to base64 in angular
TypeScript