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Conform · Function

validateConstraint

useForm returns metadata for an HTML form and its fields. Use that metadata to set IDs, names, accessibility attributes, defaults, and validation behavior.

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Syntax

const [form, fields] = useForm(options);

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  • form.id
  • fields.message.id
  • fields.message.name
  • fields.message.valid
  • fields.message.errorId
  • fields.message.descriptionId
  • aria-invalid
  • aria-describedby

Source: Conform / useForm. Checked 2026-11-03.