chore: dedupe addEvent

[snowystinger]

Closes

Pulled out of #10102 in an effort to make it smaller an easier to review

This dedupes the usage of addEvent and refactors types so they work for all call sites. It also adds unit tests for useEvent which uses addEvent.

✅ Pull Request Checklist:

• Included link to corresponding React Spectrum GitHub Issue.
• Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• Filled out test instructions.
• Updated documentation (if it already exists for this component).
• Looked at the Accessibility Practices for this feature - Aria Practices

📝 Test Instructions:

🧢 Your Project:

[rspbot]

Build successful! 🎉

• View the storybook
• View the S2 storybook
• View the S2 docs
• View the React Aria docs

[rspbot]

## API Changes

@react-aria/utils

/@react-aria/utils:useEvent

-useEvent <K extends keyof GlobalEventHandlersEventMap> {
+useEvent <K extends keyof EventMapType<T>, T extends EventTarget> {
-  ref: RefObject<EventTarget | null>
-  event: K | (string & {
+  ref: RefObject<T | null>
+  event: Extract<K, string> | (string & {
   
 })
-  handler?: (Document, GlobalEventHandlersEventMap[K]) => any
+  listener?: (T, EventMapType<Exclude<T, null>>[K]) => any
   options?: boolean | AddEventListenerOptions
   returnVal: undefined
 }

---

[rspbot]

Agent Skills Changes

Modified (2)

• react-aria/skills/react-aria/references/components/Separator/useSeparator.md $\color{green}{+1}$ $\color{red}{-1}$
• s2/skills/react-spectrum-s2/references/react-aria/components/Separator/useSeparator.md $\color{green}{+1}$ $\color{red}{-1}$

Install

React Spectrum S2:

npx skills add https://d1pzu54gtk2aed.cloudfront.net/pr/4ca9267a377fe5f9618990a35865debba4d20b8f/

React Aria:

npx skills add https://d5iwopk28bdhl.cloudfront.net/pr/4ca9267a377fe5f9618990a35865debba4d20b8f/