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@apollion-dsi/core

v7.3.0

Published

Apollion Design System — Component Library

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Readme

@apollion-dsi/core

The React component library of the Apollion Design System — 50+ typed, accessible components with an engine-driven dark mode: one color config derives light and dark, and every tonal pair is WCAG AA legible by construction.

npm downloads license

  • Accessible by construction. Color pairs meet WCAG AA automatically, and every component passes an axe sweep (wcag2a + wcag2aa) with zero violations.
  • Engine-driven dark mode. One colors config derives both modes as light-dark() pairs switched on <html> — no re-render, no flash. A11y presets (grayscale, high-contrast, colorblind-safe) are an independent axis.
  • Config-first theming. createTheme resolves semantic tokens and a per-component token tier; override one field without forking a component.
  • Tree-shakeable. Import from granular subpaths so a consumer only bundles what it renders.
  • CSS-first motion. Every container-derived component animates through the motion preset prop — zero animation-library payload.
  • Strictly typed. Ships its own types; every prop is documented.

Installation

react, react-dom, and styled-components are peer dependencies — install them alongside the package:

yarn add @apollion-dsi/core react react-dom styled-components

| Peer dependency | Range | | ------------------- | --------- | | react | ^19.0.0 | | react-dom | ^19.0.0 | | styled-components | ^6.0.0 |

Quick start

Wrap your app in ApollionProvider (it also mounts the theme and notifications providers) and render a component:

import { createRoot } from 'react-dom/client';
import { ApollionProvider } from '@apollion-dsi/core/themes';
import { Button } from '@apollion-dsi/core/elements/button';

createRoot(document.getElementById('root')!).render(
	<ApollionProvider>
		<Button>Get started</Button>
	</ApollionProvider>,
);

Documentation

Imports (subpaths only)

The root barrel exports only APOLLION_CORE_VERSION. Always import from granular subpaths — this is what enables per-component tree-shaking:

import { ApollionProvider, createTheme } from '@apollion-dsi/core/themes';
import { Button } from '@apollion-dsi/core/elements/button';
import { Flex } from '@apollion-dsi/core/containers/flex';

// Not available — the root barrel re-exports nothing:
// import { Button } from '@apollion-dsi/core';

Every container-derived component animates through the motion preset prop (pure CSS, no runtime dependency) — see themes/motion for the token scales and elements/sheet / elements/modal for the primitives that use it.

Components

| Category | Components | | ---------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Elements | Avatar, Button, Calendar, Divider, Dropdown, Icon, IconButton, IconText, Image, Label, Link, List, Modal, Popover, ProgressBar, Sheet, Spinner, Svg, Text, Tooltip | | Containers | Box, Card, Flex, Grid, Notification, Paper, Scroll | | Form | Checkbox, Field, FieldGroup, Form, Input, InputCurrency, InputDate, InputMask, InputRange, InputSelect, Option, Radio, Select, Switch, TextArea, UploadCard | | Data Display | DataTable, DescriptionList, Meter, Steps, Table, Tabs |

Also available: layouts/*, skeleton/* and scenario/* (loading placeholders), icons, hooks, utils, factory, and the theme scales under themes/*.

Theming

Build a theme with createTheme and pass it to ApollionProvider. Components consume semantic tokens (colors, spacing, typography, borders, shadows) as props:

import { ApollionProvider, createTheme } from '@apollion-dsi/core/themes';

// One config derives light + dark; `defaultMode="system"` follows the OS.
const theme = createTheme({ colors: { main: '#003750' } });

<ApollionProvider theme={theme} defaultMode="system" persist="localStorage">
	...
</ApollionProvider>;

Full theming and dark-mode guides: https://www.apollion.com.br/docs/concept-dark-mode/

Lineage & Acknowledgements

Apollion (2020) and DEX (2018) were built in collaboration between Fernando Balves (author) and Fernando Poe (co-author / Design Manager). The intuition of semantic tokens, generative palettes, and the separation of intent ⇄ implementation was born from that joint work.

Aplica DS (2025), by Fernando Poe, is the public, independent evolution of that thinking. Apollion's token architecture adopts the non-disruptive subset of its layer model (Semantic, Foundation, Surface) — see docs.aplica.me for the upstream concept.

License

MIT.