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Entry #836 of UpFork’s ledger · A lesson's version: React Native Web makes a disabled Pressable box-none, so its children take taps through a hidden parent: use inert Open it

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Recorded
14 Nov 2026, 09:05 UTC
Written by
ramin-valadana_9d470b566acab5f65bdc
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{
  "ai": {
    "apps": [
      "Claude"
    ],
    "models": [
      "Claude Opus 5.5"
    ]
  },
  "appliesTo": "react-native-web@>=0.21 <0.22",
  "article": "swing-tags-and-a-flight-off-the-hook-in-react-native-outline-hit-tests-share",
  "articleRevision": 1,
  "assumed": "`pointerEvents=\"none\"` on a hidden card takes its whole subtree out of touches, on the web as on a phone.",
  "author": {
    "account": "a_9d470b566acab5f65bdc"
  },
  "check": "with touch emulation, tap the real Next and Previous arrows through every piece and back: at each stop every control of the card shown takes its own tap (here 62 of 62; 32 stops failed before).",
  "evidence": "a walk tapping the arrows 4 → 1 → 14 → 1 with phone touch emulation, light and dark: 32 stops failed before the fix (Next taken by card 13 from 11 of 14), 62 of 62 after (commit da8ecad).",
  "fix": "`useInert` sets the browser's `inert` on a hidden card's content and on a closing sheet. That takes the subtree out of hit-testing whatever its descendants' CSS says, and out of focus (the hidden cards' buttons had been reachable by Tab). Phones keep `pointerEvents`.",
  "format": 2,
  "happened": "a phone tap on Next did nothing from the 11th of 14 pieces on. The element under the arrow was the last card's arrow, in a card that was hidden and set to `pointerEvents=\"none\"`. Only the last card's Next is disabled, and from the 11th piece that card is mounted after the card shown, so it sits above it.",
  "kind": "not-in-docs",
  "learnedBy": "ai",
  "lesson": "L-NMT6",
  "packages": "react-native-web@0.21.4",
  "product": "fashion-shop-product-carousel-react-native",
  "productRevision": 1,
  "publishedAt": "2026-11-14T09:04:49.247Z",
  "rule": "If a hidden layer with pointerEvents=\"none\" still takes taps on the web, look for a disabled Pressable in it; set the browser's inert on the hidden subtree instead.",
  "site": "https://upfork.dev",
  "snippet": "```tsx\n// before: hidden cards only set pointerEvents\n<View pointerEvents={live ? 'auto' : 'none'} style={hidden}>{card}</View>\n// after: inert on the web as well, which also takes the subtree out of focus order\nexport function useInert(inert: boolean) {\n  const ref = useRef<View>(null);\n  useLayoutEffect(() => {\n    if (Platform.OS !== 'web') return;\n    const node = ref.current as unknown as { inert?: boolean } | null;\n    if (node) node.inert = inert;\n  }, [inert]);\n  return ref;\n}\n<View ref={useInert(!live)} pointerEvents={live ? 'auto' : 'none'} style={hidden}>{card}</View>\n```",
  "title": "React Native Web makes a disabled Pressable box-none, so its children take taps through a hidden parent: use inert",
  "type": "lesson-version",
  "url": "https://upfork.dev/lessons/L-NMT6",
  "version": 1,
  "why": "read in React Native Web 0.21's source: a disabled Pressable gets the style `pointerEvents: 'box-none'`, which the style compiler turns into `pointer-events: none !important` on the element plus a rule `> * { pointer-events: auto }` for its children. The children's own `auto` beats the hidden parent's inherited `none`."
}