Infinite method object

93.1% acceptance

Mar 31, 2026

Write a function that returns an infinite-method object. An infinite-method object is defined as an object that allows you to call any method and it will always return the name of the method. For example, if you execute obj.abc123(), it will return "abc123".

Solution

TypeScript

Time O(1)

Space O(1)

LeetCode

solution.ts

function createInfiniteObject(): Record<string, () => string> {
  return new Proxy({}, {
    get(_, prop: string) {
      return () => prop;
    }
  }) as Record<string, () => string>;
};

/**
 * const obj = createInfiniteObject();
 * obj['abc123'](); // "abc123"
 */