exclude-properties.ts

const person = {
  firstName: "Jane",
  lastName: "Bloggs",
  email: "jane@example.com",
  phone: "0123456789"
};

const omitKey = <T, K extends keyof T>(data: T, key: K) => {
  const { [key]: _, ...o } = data;
  return o;
}

console.log(person);
// expected output: email is a property

const personWithoutEmail = omitKey(person, "email")
console.log(personWithoutEmail)
// expected output: email is not a property
// actual output: email is not a property and not part of the object... yay!