once

const initialize = once(() => {
  console.log("Initialized");
  return "ready";
});

console.log(initialize());
// Initialized
// ready

console.log(initialize());
// ready

console.log(initialize());
// ready

const getValue = once((value: number) => value * 2);

console.log(getValue(5));
// 10

console.log(getValue(10));
// 10

console.log(getValue(20));
// 10

const createMessage = once(
  (name: string, age: number) => {
    return `${name} is ${age} years old`;
  },
);

console.log(createMessage("Amir", 20));
// Amir is 20 years old

console.log(createMessage("Ali", 25));
// Amir is 20 years old

const setup = once(() => {
  console.log("Setup completed");
  return true;
});

setup();
// Setup completed

setup();
// No output

let count = 0;

const increment = once(() => {
  count += 1;
  return count;
});

console.log(increment());
// 1

console.log(increment());
// 1

console.log(count);
// 1