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Part 5b: Using 'ref' directly is not allowed. #4203

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Part 5b: Using 'ref' directly is not allowed. #4203

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2 changes: 2 additions & 0 deletions src/content/5/en/part5b.md
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Original file line number Diff line number Diff line change
Expand Up @@ -374,6 +374,7 @@ const App = () => {
const noteFormRef = useRef() // highlight-line

const noteForm = () => (
// (Using 'ref' throws an error. According to this, https://react.dev/warnings/special-props, 'ref' and 'key' "are two special props which are used by React, and are thus not forwarded to the component". It should be renamed to something else.)
<Togglable buttonLabel='new note' ref={noteFormRef}> // highlight-line
<NoteForm createNote={addNote} />
</Togglable>
Expand Down Expand Up @@ -401,6 +402,7 @@ const Togglable = (props) => { // highlight-line
}

// highlight-start
// It should be renamed here too
useImperativeHandle(props.ref, () => {
return { toggleVisibility }
})
Expand Down