longtext

Multi-line textarea for longer responses.

Height

By default, an empty longtext field starts at the same height as a single-line input. It grows with newlines and wrapped text, including saved answers, and shrinks as text is removed. Width changes and programmatic answer updates also recalculate its height. Multiline answers remain plain strings.

Set Minimum rows in the builder, or a positive integer rows in the field definition, to use a taller initial and minimum height. The field still grows when its content needs more space. Clear Minimum rows or omit rows to restore the single-line default. This applies in builder preview and rendered forms; touch mode may enforce its larger accessible minimum height.

Set Maximum rows in the builder, or a positive integer maxRows in the field definition, to limit growth. Longer answers scroll inside the textarea once it reaches that height. The limit must be at least Minimum rows (rows, or one when omitted). Clear Maximum rows or omit maxRows for unlimited growth. The cap follows the current line height and includes the control's padding and borders, including touch-mode padding.

In the builder, row-limit edits are applied when you leave the input or press Enter. Invalid limits are rejected and the previous value is restored.

The shared @mieweb/ui textarea provides auto-sizing. Host styles can deliberately cap its height with CSS max-height; content then scrolls within that limit.

Answer Format

answer: string value

Example

id: notes
fieldType: longtext
question: Additional Notes

For an explicit five-row baseline:

id: notes
fieldType: longtext
question: Additional Notes
rows: 5

To start at two rows and grow up to eight:

id: notes
fieldType: longtext
question: Additional Notes
rows: 2
maxRows: 8