Answer

Promise.resolve(value) returns a promise that adopts the supplied value's state. If the value is a promise or thenable, the returned promise adopts its eventual outcome.

function myPromiseResolve(value) {
  return new Promise(resolve => {
    resolve(value);
  });
}

myPromiseResolve(42).then(console.log);
// 42

myPromiseResolve(Promise.resolve("hello")).then(console.log);
// hello

Explanation

The native promise resolution procedure handles ordinary values, promises, thenables, self-resolution, and exceptions thrown while retrieving or invoking a thenable's then method.

The simplified implementation delegates those behaviors to the native Promise constructor's resolve function instead of reimplementing the entire algorithm.

Interview distinction: This is a wrapper around native promise resolution, not a replacement for the native static method. A full polyfill would also need to respect constructor identity and subclass behavior.