docs: add migration guide from 3 to 4 - #288
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ValeraS
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Aug 2, 2026
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| const handleUpdate = (value) => { | ||
| if (value !== null) { | ||
| setState(value); | ||
| } | ||
| }; |
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A strange proposal. This approach doesn't allow empty fields and doesn't rely on real-time updates. THe component doesn't support live updates any more.
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| const handleBlur = () => { | ||
| if (currentValueRef.current) { | ||
| saveValue(currentValueRef.current); | ||
| } | ||
| }; |
| ## Migration checklist | ||
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| - Review handlers that depend on `onUpdate` during typing. | ||
| - Make sure your form logic handles “invalid/incomplete intermediate input” without assuming it is committed. |
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This is an incorrect statement. The user didn't receive an invalid/incomplete value, but rather a null value immediately after the input became invalid. Now, they receive the null value only after they finish editing the input.
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