Task: Implement a Short UID Generator in JavaScript

Task: Implement a Short UID Generator in JavaScript: a task in Terminal-Lego-15k (Harbor dataset). Create a JavaScript module that generates short, unique identifiers (UIDs) similar to "aX4j9Z" — lightweight alphanumeric strings suitable for web applications. The generator must support…

The task

Create a JavaScript module that generates short, unique identifiers (UIDs) similar to `"aX4j9Z"` — lightweight alphanumeric strings suitable for web applications. The generator must support configurable length, uniqueness checking against an existing collection, and should produce IDs using a mix of uppercase…

Part of PrimeIntellect/Terminal-Lego-15k.