Brasil Cartao Nacional De Saude Input

BrasilCartaoNacionalDeSaudeInput is a headless input for entering Brazil's Cartão Nacional de Saúde (CNS), Brazil's government-issued personal identifier. It renders as <input type="text"> with autocomplete="off" to protect sensitive identifiers. It is the editable companion to BrasilCartaoNacionalDeSaudeView.

Status: beta — implemented and unit-tested in all seven frameworks; not yet exercised in a composed flow.

Implementation Notes

• Renders as <input type="text">
• Format: Fifteen-digit number issued by Brazil's Sistema Único de Saúde (SUS), grouped as NNN NNNN NNNN NNNN. Numbers starting 1 or 2 are definitive (linked to the national civil registry); numbers starting 7, 8, or 9 are provisional. Both forms are validated with a weighted-sum Modulus-11 check across all 15 digits.
• autocomplete="off" to protect sensitive identifiers
• Supports two-way binding on the value prop
• Companion to BrasilCartaoNacionalDeSaudeView

Props

• label: string (required) — accessible label via aria-label
• value: string (default: "") — bindable input value
• required: boolean (default: false) — form validation
• disabled: boolean (default: false) — disabled state
• ...restProps: any — additional HTML attributes spread onto the <input>

Usage

<Field label="Cartão Nacional de Saúde (CNS)" required>
  <BrasilCartaoNacionalDeSaudeInput label="Cartão Nacional de Saúde (CNS)" value={value} required />
  <Hint>Fifteen-digit number issued by Brazil's Sistema Único de Saúde (SUS), grouped as NNN NNNN NNNN NNNN. Numbers starting 1 or 2 are definitive (linked to the national civil registry); numbers starting 7, 8, or 9 are provisional. Both forms are validated with a weighted-sum Modulus-11 check across all 15 digits.</Hint>
  <ErrorMessage>Please enter a valid Cartão Nacional de Saúde</ErrorMessage>
</Field>

ARIA

• aria-label={label} — provides accessible name

When to Use

• Use in forms collecting Brazil's Cartão Nacional de Saúde (CNS).
• Use in administrative or national-id workflows where the identifier is required.

When Not to Use

• Do not use for displaying read-only identifiers — use brasil-cartao-nacional-de-saude-view instead.
• Do not use for general text input — use text-input instead.
• Do not use for other countries' identifiers — use the corresponding country-specific input.

Headless

This headless component ships zero CSS. The consumer provides all styling targeting the .brasil-cartao-nacional-de-saude-input class hook.

Testing

• Verify renders an <input> with the correct class and type="text"
• Verify aria-label is set from the label prop
• Verify autocomplete="off"
• Verify value binding works

Domain Knowledge

Fifteen-digit number issued by Brazil's Sistema Único de Saúde (SUS), grouped as NNN NNNN NNNN NNNN. Numbers starting 1 or 2 are definitive (linked to the national civil registry); numbers starting 7, 8, or 9 are provisional. Both forms are validated with a weighted-sum Modulus-11 check across all 15 digits.

Where to find it: Printed on the Cartão SUS (physical or digital health card) and required for any public health-system appointment, prescription, or vaccination record in Brazil.

Related components

• brasil-cartao-nacional-de-saude-view — a read-only display of Brazil's Cartão Nacional de Saúde (CNS)
• text-input — a single-line text input field <input type="text">

References

• Wikipedia: CPF number (Cartão Nacional de Saúde)

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