import type { Maybe } from './Maybe.js';
import type { ReadOnlyObjMap, ReadOnlyObjMapLike } from './ObjMap.js';
export function toObjMap<T>(
obj: Maybe<ReadOnlyObjMapLike<T>>,
): ReadOnlyObjMap<T> {
if (obj == null) {
return Object.create(null);
}
if (Object.getPrototypeOf(obj) === null) {
return obj;
}
const map = Object.create(null);
for (const [key, value] of Object.entries(obj)) {
map[key] = value;
}
return map;
}