6563. Create Custom React usePrevious Hook (Part 46)
React InternalsPromises & Async
### Problem #6563: Create Custom React usePrevious Hook (Part 46)
**Domain:** `Frontend & Web` | **Topic Focus:** `React Internals, Promises & Async`
Implement an optimized, production-grade solution for **Create Custom React usePrevious Hook (Part 46)**.
### Requirements:
1. Your code must handle boundary inputs, edge cases, and maintain optimal time & space complexity.
2. In production, this logic scales to high-throughput environments.
3. Return the exact computed result.
Example 1:
Input: Sample Input #6563
Output: Output 1
Explanation: Demonstrates correct execution for React Internals in Frontend & Web.
Constraints:
- Time Complexity: Optimal for standard production loads.
- Space Complexity: O(1) auxiliary or O(N) linear storage.
- Ensure memory safety, clean error propagation, and zero race conditions.
Integrity: 100%
Loading...
Input Arguments:
Test Case 1 for #6563
Expected Output:
Output 1