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Advanced TypeScript: Type Inference and Advanced Types

Tutorial August 05, 2024
typescript 

interface ApiResponse<T = any> {
  data: T;
  status: number;
  error?: string;
}

const response: ApiResponse<{ userId: number }> = {
  data: { userId: 1 },
  status: 200
};

const defaultResponse: ApiResponse = {
  data: {},
  status: 200
};
interface User {
  name: string;
  email: string;
  age: number;
}

function updateUser(user: User, fieldsToUpdate: Partial<User>) {
  return { ...user, ...fieldsToUpdate };
}

const user: User = { name: 'Alice', email: 'alice@example.com', age: 30 };
const updatedUser = updateUser(user, { email: 'alice@newdomain.com' });

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