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@getufy/flint-ui

v0.8.8

Published

A Lit-based web component library with 75+ accessible, themeable UI components

Vulnerabilities

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Links

Git

Maintainers

devneagudevneagu

Keywords

litlit-elementweb-componentscustom-elementsuiui-componentsdesign-systemcomponent-librarytypescriptstorybookaccessibleshadow-domtheming

Readme

@getufy/flint-ui

npm license

A modern, lightweight web component library built with Lit. 50+ components for building rich UIs — works with any framework.

Installation

npm install @getufy/flint-ui lit

Resources

Getting Started

Required: Import the theme CSS once in your app entry point. Without this, components render unstyled.

import '@getufy/flint-ui/theme.css';
import '@getufy/flint-ui/theme-dark.css';  // Required for dark mode support

If you omit theme.css, components render with no spacing, colors, or typography. If you omit theme-dark.css, dark mode will not work. In development, a console warning will alert you if theme CSS is missing.

Suppress Dev Warnings

In development, Lit prints a console warning about running in dev mode. To silence it, add this import before any component imports:

// Must come before any @getufy/flint-ui imports
import '@getufy/flint-ui/suppress-warnings';

Usage

<script type="module">
  import '@getufy/flint-ui/button/flint-button';
</script>

<flint-button variant="contained" color="primary">Click me</flint-button>

Or import the full bundle:

import { FlintButton, FlintTabs, FlintDialog } from '@getufy/flint-ui';

Tree-shakeable imports

import '@getufy/flint-ui/tabs/flint-tabs';
import '@getufy/flint-ui/dialog/flint-dialog';
import '@getufy/flint-ui/date-picker/flint-date-picker';

Components

Inputs: Button, Checkbox, Input, Radio, Rating, Select, Slider, Switch, Textarea, Toggle, Autocomplete, Input OTP, Date Picker, Date Range Picker, Time Picker, Transfer List

Data Display: Avatar, Badge, Chip, Divider, Item, List, Table, Tooltip, Typography, Kbd, Empty, Carousel

Feedback: Alert, Dialog, Progress, Skeleton, Snackbar, Sonner, Backdrop

Surfaces: Accordion, App Bar, Card, Paper

Navigation: Bottom Navigation, Breadcrumbs, Drawer, Link, Menu, Menubar, Navigation Menu, Pagination, Speed Dial, Stepper, Tabs

Layout: Box, Container, Grid, Stack, Image List, Split Panel, Resizable, Scroll Area

Utilities: Collapsible, Command, Copy Button, Hover Card, Image Comparer, Tree View, Relative Time, Format Date, Format Number, Visually Hidden

Theming

:root {
  --flint-primary-color: #3b82f6;
  --flint-text-color: #111827;
  --flint-font-family: system-ui, sans-serif;
}
import '@getufy/flint-ui/theme.css';       // Light theme (required)
import '@getufy/flint-ui/theme-dark.css';   // Dark theme

Dark Mode

The dark theme CSS includes a @media (prefers-color-scheme: dark) block that auto-applies dark mode based on the user's OS preference. To manually control the mode:

// Force dark mode
document.documentElement.setAttribute('data-theme', 'dark');

// Force light mode (overrides OS dark preference)
document.documentElement.setAttribute('data-theme', 'light');

Or use <flint-theme mode="dark"> / <flint-theme mode="light"> as a wrapper component — when placed at the root level (direct child of <body>), it automatically sets data-theme on the document element.

CSS Custom Properties

All components use --flint-* prefixed CSS custom properties. Key tokens:

| Token | Default | Description | |-------|---------|-------------| | --flint-primary-color | #3b82f6 | Primary brand color | | --flint-text-color | #111827 | Default text color | | --flint-font-family | system-ui | Font stack | | --flint-background | #ffffff | Page background | | --flint-surface-background | #ffffff | Card/surface background |

Components expose per-component overrides (e.g., --flint-chip-bg, --flint-chip-color, --flint-avatar-bg). See each component's JSDoc @cssprop annotations.

CSS Parts

Components expose ::part() selectors for styling Shadow DOM internals. Common parts:

| Part | Components | Description | |------|-----------|-------------| | base | Most components | Outermost wrapper | | input | Input, Textarea, Select | Native input element | | label | Input, Textarea, Select | Label element | | title | CardHeader | Title element | | content | CardHeader, AccordionSummary | Content container |

Events

All custom events use the flint- prefix and follow the pattern flint-[component]-[action]:

| Component | Event | Detail | |-----------|-------|--------| | Input | flint-input-input | { value: string } | | Input | flint-input-change | { value: string } | | Select | flint-select-change | { value, multiple } | | Dialog | flint-dialog-close | { open: false } | | Dialog | flint-dialog-open | { open: true } | | Tabs | flint-tabs-change | { value: string } | | Switch | flint-switch-change | { checked: boolean } | | Pagination | flint-pagination-change | { page: number } | | Drawer | flint-drawer-close | { open: false } |

Timing: flint-input-input fires on every keystroke. flint-input-change fires on blur.

React

Looking for React wrappers? See @getufy/flint-ui-react.

License

MIT