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expo-ios-hig-verify

Static scan of an Expo / React Native iOS app for non-native patterns — Material component kits, JS navigators instead of native stack/tabs, PanResponder, disabled font scaling, hardcoded hex colors, unvirtualized lists — reports each violation with file:line and a link to the rule. Trigger when the user asks to check, lint, audit, or review an Expo iOS app for HIG compliance or "native feel," or before shipping/merging Expo iOS UI. Pairs with the expo-ios-hig rules skill (it checks what that skill teaches) and the expo-ios-screen-scaffolder.

skills/.experimental/expo-ios-hig-verify/SKILL.md

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Source commit cf93c57cac89d6fc3e4194686000411567f5caf3

What was checked

Matches the observed repository HEAD
Yes
Scanner rules are current
Yes
Repository scan complete
No
Skill scan complete
No
Observed behavior
Local scripts
Last checked
Nov 5, 2026

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Repository stars (not skill ratings)
222
Repository last updated
Aug 15, 2026
License
MIT

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# Expo iOS HIG Verifier

A read-only static checker that scans an Expo (React Native) project for violations of the `expo-ios-hig` rules and reports them grouped by severity, with `file:line` locations and links to the rule that explains the fix. It is the automated counterpart to the `expo-ios-hig` reference skill: that skill teaches the rules; this one checks them.

## When to Apply

Run this skill when:

- The user asks to **check, lint, audit, or review** an Expo app for HIG compliance or native feel
- Before merging or shipping Expo iOS UI changes, as a quality gate
- After scaffolding new screens, to confirm they stay native
- Investigating why an Expo app "feels like a web wrapper" or "feels like Android"

It is **read-only** — it never modifies the target project, so it is safe to run unsupervised.