Function arrayOrObject

packages/rxjs/src/internal/util/argsArgArrayOrObject.ts:22–34

(first: T | T[] | O)

}

export function arrayOrObject<T, O extends Record<string, T>>(first: T | T[] | O) {
  if (isArray(first)) {
    return { args: first, keys: null };
  }
  if (isPOJO(first)) {
    const keys = getKeys(first);
    return {
      args: keys.map((key) => first[key]),
      keys,
    };
  }
  return null;
}

function isPOJO(obj: any): obj is object {
  return obj && typeof obj === 'object' && getPrototypeOf(obj) === objectProto;