structyl is an open-source, TypeScript-first React component library with 90+ accessible components. It combines WAI-ARIA compliant headless primitives with Tailwind CSS v4 styled wrappers, a runtime theming system, and a first-class DataTable — all in independently-versioned npm packages.

How does structyl differ from shadcn/ui?

structyl ships as actual npm packages (pnpm add @structyl/styled) rather than copy-paste code snippets. It adds a runtime theming system that switches themes without a page reload, a feature-complete DataTable, 24+ React hooks, and 90+ components — significantly more than shadcn/ui out of the box.

How does structyl compare to Radix UI?

structyl builds on the same headless-first philosophy as Radix UI but adds a complete Tailwind-styled layer, runtime theming with CSS variables, dark mode, a DataTable, and chart components. Radix is primitives-only; structyl is a full component library ready to use.

Is structyl compatible with Next.js App Router?

Yes. All structyl components that use React hooks are marked with 'use client'. The library is SSR-safe and fully compatible with Next.js 15 App Router and React Server Components.

Does structyl support dark mode?

Yes. structyl includes a ThemeProvider that supports system, light, and dark modes. Theme switches happen instantly using CSS custom properties — no page reload required and no flash of unstyled content.

How do I install structyl?

Install the main package with: pnpm add @structyl/styled (or npm install @structyl/styled). Then wrap your app in ThemeProvider from @structyl/themes and add Toaster from @structyl/styled to your root layout.

Is structyl free and open source?

Yes. structyl is MIT licensed and completely free. All packages are published to npm under the @structyl scope.

Does structyl support TypeScript?

Yes. structyl is built with TypeScript strict mode throughout. All components export their prop types and the library ships with full type definitions. There is no any usage in the public API.

What styling system does structyl use?

structyl uses Tailwind CSS v4 for styling, tailwind-variants for type-safe variant APIs, and tailwind-merge for class conflict resolution. All colors and design tokens are CSS custom properties that integrate with the runtime theming system.

Does structyl have a DataTable component?

Yes. structyl includes a first-class DataTable in the @structyl/data-table package, built on @tanstack/table-core. It supports sorting, multi-column filtering, pagination, row selection, column resizing, and row virtualization via @tanstack/react-virtual.

Select

stable

Displays a list of options for the user to pick from, triggered by a button.

Basic usage

Examples

Controlled with groups

Group related options under labelled sections and control the value.

Searchable large options

Use searchable with the virtualized options prop to keep large lists responsive.

Creation flow

Pass onCreateOption to let users create a value when search has no match.

Features

Can be controlled or uncontrolled.
Full keyboard support with typeahead.
Supports items, labels, groups of items.
Positioning and collision handling.

Installation

bash

pnpm dlx structyl add select

API Reference

Select.Root

Contains all select parts.

Prop	Type	Default
value	`string` Controlled value.	—
defaultValue	`string` Initial value.	—
onValueChange	`(value: string) => void` Called when the value changes.	—
open	`boolean` Controlled open state.	—
onOpenChange	`(open: boolean) => void` Called when open state changes.	—
disabled	`boolean` Disable the select.	false
required	`boolean` Mark as required.	false
name	`string` Name for form submission.	—
dir	`'ltr' \| 'rtl'` Reading direction.	—
searchable	`boolean` Enable option search.	false
searchValue	`string` Controlled search value.	—
onSearchValueChange	`(value: string) => void` Called when search text changes.	—
filterOption	`(option, searchValue) => boolean` Customize option matching.	—
onCreateOption	`(value: string) => void` Called when a new option is created.	—
createOptionLabel	`ReactNode \| (value) => ReactNode` Customize the create option label.	—
resetSearchOnClose	`boolean` Clear search when the popup closes.	true

Select.Trigger

The button that opens the listbox.

Prop	Type	Default
className	`string` Additional Tailwind classes, merged with the component defaults.	—

Select.Value

Displays the selected value.

Prop	Type	Default
placeholder	`ReactNode` Shown when no value is selected.	—

Select.SearchInput

Search field shown when the root is searchable.

Prop	Type	Default
className	`string` Additional Tailwind classes, merged with the component defaults.	—

Select.Content

The listbox popup.

Prop	Type	Default
position	`'item-aligned' \| 'popper'` Positioning strategy.	'popper'
side	`'top' \| 'right' \| 'bottom' \| 'left'` Preferred side.	—
align	`'start' \| 'center' \| 'end'` Alignment.	—
options	`SelectOption[]` Array-backed options rendered with windowing.	—
optionHeight	`number` Virtual row height in pixels.	36
optionOverscan	`number` Extra rows rendered above and below the viewport.	6

Select.Item

A selectable option.

Prop	Type	Default
value	`string` The value submitted when selected.	—
disabled	`boolean` Disable the option.	false
textValue	`string` Override the typeahead text.	—

Select.CreateItem

Creates the current search text with `onCreateOption`.

Prop	Type	Default
className	`string` Additional Tailwind classes, merged with the component defaults.	—

Select.Options

Virtualized renderer for large array-backed option lists.

Prop	Type	Default
options	`SelectOption[]` Options to render.	—
itemHeight	`number` Row height in pixels.	36
overscan	`number` Extra rows rendered outside the viewport.	6

Select.Group

Groups related items.

Prop	Type	Default

Select.Label

A group label.

Prop	Type	Default

Select.Separator

A visual divider.

Prop	Type	Default

Keyboard interactions

Adheres to the WAI-ARIA design pattern .

Key	Description
`Space / Enter`	Opens the select / selects the focused item.
`ArrowDown / ArrowUp`	Moves focus between options.
`Esc`	Closes the select.

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