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Bug: eslint-plugin-react-hooks: Incorrect dependency requirement when using `typeof` on nested data structures

facebook/react#27335·250633·JavaScript·1065 天未动·7 条评论·上游最近活跃 ·池内状态:可认领
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上游 issue 正文

This issue seems related to #18828, but it's not identical. Using `typeof` on a primitive value seems to work as expected, but it fails for nested property access. Version: `eslint-plugin-react-hooks@4.6.0` ## Steps To Reproduce ```tsx import { useEffect, useState } from "react"; const Dummy = () => { const [foo, setFoo] = useState<{ bar: number }>({ bar: 42 }); useEffect(() => { const square = (x: typeof foo.bar) => x * x; setFoo((previous) => ({ ...previous, bar: square(previous.bar) })); }, []); }; ``` ## The current behavior This effect clearly doesn't have external (value) dependencies, but I get this: > ESLint: React Hook useEffect has a missing dependency: 'foo'. Either include it or remove the dependency array. (react-hooks/exhaustive-deps) ## The expected behavior Using `typeof` never leads to a dependency requirement, just like in this example doesn't: ```tsx import { useEffect, useState } from "react"; const Dummy = () => { const [bar, setBar] = useState<number>(42); useEffect(() => { const square = (x: typeof bar) => x * x; setBar(square); }, []); }; ```
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