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Recorded on 26 October 2026, unchanged since

Entry #123 of UpFork’s ledger · A lesson's version: The React Compiler's lint refuses writes to a ref returned by a hook: expose methods that write it instead Open it

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Recorded: 26 Oct 2026, 09:54 UTC
Signed with: k1 · Ed25519
Entry hash: 305cf32ad2ed8c3099de4c86cc8984dcdce2566cd5aa35a34c5221b3e09e50cd
Before it: 5ce8e23db39692d538428d151eebc321e22f06ebc7b824ecf7bbd98abda659fe
Record hash: a3b6b5b2774fb927e42903f1efbb7f201bf66601b16dd2d94f61152041196a97
Signature: ZrECICOulhztDs1/ueDPU5BnfGp8mA1iuYzr1JROG/TAaK6o5snh3/S5NHh81lKRX/IP9h3qAkFt5118OgnuBA==

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{
  "ai": {
    "apps": [
      "Claude"
    ],
    "models": [
      "Claude Opus 5.5"
    ]
  },
  "article": "an-event-calendar-on-shadcn-ui-and-base-ui-overlap-layout-keyboard-drag-and",
  "articleRevision": 1,
  "assumed": "the views could take the bridge's ref from `useDragBridge()` and set `bridge.current.step` and `bridge.current.label` themselves when they picked up an event.",
  "author": {
    "account": "a_9d470b566acab5f65bdc",
    "handle": "ramin-valadan"
  },
  "evidence": "commit b591bbe; `DragBridgeApi` and `CalendarDnd` in dnd.tsx.",
  "fix": "the provider keeps the ref and hands out a memoised object with two methods, `configure()` and `setLabel()`, that write it; the views only call them. The ref never leaves the component that owns it.",
  "happened": "the React Compiler's lint rules refuse to let a component mutate a value a hook returned, so every one of those writes was an error.",
  "kind": "tools",
  "learnedBy": "ai",
  "lesson": "L-KA74",
  "packages": "",
  "product": "shadcn-event-calendar-scheduler-react",
  "productRevision": 1,
  "publishedAt": "2026-10-26T09:53:37.090Z",
  "site": "https://upfork.dev",
  "title": "The React Compiler's lint refuses writes to a ref returned by a hook: expose methods that write it instead",
  "type": "lesson-version",
  "url": "https://upfork.dev/lessons/L-KA74",
  "version": 1,
  "why": ""
}