moai-foundation-uiux

Quick Reference (30 seconds)

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Install skill "moai-foundation-uiux" with this command: npx skills add rdmptv/adbautoplayer/rdmptv-adbautoplayer-moai-foundation-uiux

Quick Reference (30 seconds)

Core UI/UX Foundation

Enterprise-grade UI/UX foundation integrating design systems (W3C DTCG 2025.10), component architecture (React 19, Vue 3.5), accessibility (WCAG 2.2), icon libraries (200K+ icons), and theming systems.

Unified Capabilities:

  • Design Systems: W3C DTCG 2025.10 tokens, Style Dictionary 4.0, Figma MCP workflows

  • Component Architecture: Atomic Design, React 19, Vue 3.5, shadcn/ui, Radix UI primitives

  • Accessibility: WCAG 2.2 AA/AAA compliance, keyboard navigation, screen reader optimization

  • Icon Libraries: 10+ ecosystems (Lucide, React Icons 35K+, Tabler 5900+, Iconify 200K+)

  • Theming: CSS variables, light/dark modes, theme provider, brand customization

When to Use:

  • Building modern UI component libraries with design system foundations

  • Implementing accessible, enterprise-grade user interfaces

  • Setting up design token architecture for multi-platform projects

  • Integrating comprehensive icon systems with optimal bundle sizes

  • Creating customizable theming systems with dark mode support

Module Organization:

  • Components: Component Architecture (Atomic Design, component patterns, props APIs)

  • Design Systems: Design System Tokens (DTCG tokens, Style Dictionary, Figma MCP)

  • Accessibility: Accessibility WCAG (WCAG 2.2 compliance, testing, navigation)

  • Icons: Icon Libraries (10+ libraries, selection guide, performance optimization)

  • Theming: Theming System (theme system, CSS variables, brand customization)

  • Examples: Examples (practical implementation examples)

  • Reference: Reference (external documentation links)

Implementation Guide

Foundation Stack (November 2025)

Core Technologies:

  • React 19 (Server Components, Concurrent Rendering)

  • TypeScript 5.5 (Full type safety, improved inference)

  • Tailwind CSS 3.4 (JIT compilation, CSS variables, dark mode)

  • Radix UI (Unstyled accessible primitives)

  • W3C DTCG 2025.10 (Design token specification)

  • Style Dictionary 4.0 (Token transformation)

  • Figma MCP (Design-to-code automation)

  • Storybook 8.x (Component documentation)

Quick Decision Matrix:

Need Module Key Tools

Design tokens Design System Tokens DTCG 2025.10, Style Dictionary 4.0

Component patterns Component Architecture Atomic Design, React 19, shadcn/ui

Accessibility Accessibility WCAG WCAG 2.2, jest-axe, keyboard nav

Icons Icon Libraries Lucide, React Icons, Tabler, Iconify

Theming Theming System CSS variables, Theme Provider

Examples Examples React/Vue implementations

Quick Start Workflows

  1. Design System Setup (30 minutes)

Step 1: Initialize design tokens

{ "$schema": "https://tr.designtokens.org/format/", "$tokens": { "color": { "$type": "color", "primary": { "500": { "$value": "#3b82f6" } } }, "spacing": { "$type": "dimension", "md": { "$value": "1rem" } } } }

Step 2: Transform tokens with Style Dictionary

npm install --save-dev style-dictionary npx style-dictionary build

Step 3: Integrate with components

import { colors, spacing } from '@/tokens'

See: Design System Tokens for complete token architecture

  1. Component Library Setup (45 minutes)

Step 1: Initialize shadcn/ui

npx shadcn-ui@latest init npx shadcn-ui@latest add button form dialog

Step 2: Setup Atomic Design structure

components/ ├── atoms/ (Button, Input, Label) ├── molecules/ (FormGroup, Card) ├── organisms/ (DataTable, Modal)

Step 3: Implement with accessibility

<Button aria-label="Submit form" variant="primary"> Submit </Button>

See: Component Architecture for patterns and examples

  1. Icon System Integration (15 minutes)

Step 1: Choose icon library

General purpose

npm install lucide-react

Maximum variety

npm install @iconify/react

Dashboard optimized

npm install @tabler/icons-react

Step 2: Implement type-safe icons

import { Heart, Search } from 'lucide-react'

<Search className="w-5 h-5 text-gray-600" />

See: Icon Libraries for library comparison and optimization

  1. Theme System Setup (30 minutes)

Step 1: Configure CSS variables

:root { --primary: 222.2 47.4% 11.2%; --background: 0 0% 100%; }

.dark { --primary: 210 40% 98%; --background: 222.2 84% 4.9%; }

Step 2: Implement Theme Provider

<ThemeProvider attribute="class" defaultTheme="system"> <App /> </ThemeProvider>

See: Theming System for complete theme system

Key Principles

  1. Design Token First:
  • Single source of truth for design decisions

  • Semantic naming (color.primary.500 not blue-500 )

  • Multi-theme support (light/dark)

  • Platform-agnostic transformation

  1. Accessibility by Default:
  • WCAG 2.2 AA minimum (4.5:1 text contrast)

  • Keyboard navigation for all interactive elements

  • ARIA attributes for screen readers

  • Focus management and visible indicators

  1. Component Composition:
  • Atomic Design hierarchy (Atoms → Molecules → Organisms)

  • Props API for reusability

  • Variant-based styling (not separate components)

  • Type-safe with TypeScript

  1. Performance Optimization:
  • Tree-shaking for icons (import specific, not *)

  • Lazy loading for large components

  • React.memo for expensive renders

  • Bundle size monitoring

Tool Ecosystem

Category Tool Version Purpose

Design Tokens W3C DTCG 2025.10 Token specification

Style Dictionary 4.0+ Token transformation

Components React 19 UI framework

shadcn/ui Latest Component library

Radix UI Latest Accessible primitives

Icons Lucide Latest 1000+ modern icons

React Icons Latest 35K+ multi-library

Iconify Latest 200K+ universal

Theming Tailwind CSS 3.4 Utility-first CSS

CSS Variables Native Theme tokens

Accessibility axe DevTools Latest Accessibility testing

jest-axe Latest Automated a11y tests

Documentation Storybook 8.x Component docs

Figma MCP Latest Design-to-code

Module Cross-Reference

Component Architecture

Focus: Component architecture and implementation patterns

Key Topics:

  • Atomic Design (Atoms, Molecules, Organisms)

  • React 19 + Server Components

  • Vue 3.5 + Composition API

  • shadcn/ui component patterns

  • Props API design

  • Storybook integration

When to Use: Building or architecting UI component libraries

Design System Tokens

Focus: Design token architecture and tooling

Key Topics:

  • W3C DTCG 2025.10 token structure

  • Style Dictionary configuration

  • Multi-theme support

  • Figma MCP workflow

  • Semantic naming conventions

When to Use: Setting up design system foundations

Accessibility WCAG

Focus: WCAG 2.2 compliance and accessibility testing

Key Topics:

  • Color contrast validation (4.5:1 AA, 7:1 AAA)

  • Keyboard navigation patterns

  • Screen reader optimization (ARIA)

  • Focus management

  • Automated testing (jest-axe)

When to Use: Ensuring accessibility compliance

Icon Libraries

Focus: Icon library selection and integration

Key Topics:

  • 10+ library comparison (Lucide, React Icons, Tabler, Iconify)

  • Bundle size optimization

  • Tree-shaking strategies

  • Type-safe icon components

  • Performance patterns

When to Use: Integrating icon systems with optimal bundle sizes

Theming System

Focus: Theme system implementation

Key Topics:

  • CSS variable architecture

  • Light/dark mode switching

  • System preference detection

  • Brand customization

  • Tailwind CSS integration

When to Use: Implementing customizable theming

Examples

Focus: Practical code examples

Key Topics:

  • Button component (React, Vue)

  • Form validation (Zod + React Hook Form)

  • Data table (TanStack Table)

  • Modal dialog (focus trap)

  • Theme provider

  • Icon usage patterns

When to Use: Reference implementations

Reference

Focus: External documentation links

Key Topics:

  • Official documentation (DTCG, WCAG, Figma, Storybook)

  • Library references (React, Tailwind, Radix UI)

  • Tool documentation (Style Dictionary, jest-axe)

  • Best practice guides

When to Use: Finding official resources

Best Practices

DO:

  • ✅ Use semantic design tokens (color.primary.500 not blue-500 )

  • ✅ Follow Atomic Design hierarchy (Atoms → Molecules → Organisms)

  • ✅ Verify 4.5:1 contrast ratio for all text (WCAG AA)

  • ✅ Implement keyboard navigation for all interactive elements

  • ✅ Tree-shake icons (import specific, avoid import * )

  • ✅ Use CSS variables for theme customization

  • ✅ Document all props with TypeScript types

  • ✅ Test components with jest-axe for accessibility

DON'T:

  • ❌ Hardcode colors (use design tokens)

  • ❌ Skip ARIA labels on icon-only buttons

  • ❌ Import entire icon libraries (import * from 'lucide-react' )

  • ❌ Forget to test dark mode

  • ❌ Ignore keyboard navigation

  • ❌ Skip focus indicators

  • ❌ Use inline styles (use Tailwind classes)

  • ❌ Forget loading states

Works Well With

Skills:

  • moai-lang-unified

  • TypeScript and JavaScript best practices

  • moai-foundation-core

  • TRUST 5 quality validation

  • moai-library-nextra

  • Documentation generation

  • moai-library-shadcn

  • shadcn/ui specialized patterns (complementary)

Agents:

  • code-frontend

  • Frontend component implementation

  • design-uiux

  • Design system architecture

  • mcp-figma

  • Figma integration workflows

  • core-quality

  • Accessibility and quality validation

Commands:

  • /moai:2-run

  • TDD implementation cycle

  • /moai:3-sync

  • Documentation generation

Migration from Legacy Skills

This skill consolidates 4 previous skills:

moai-component-designer → Component Architecture

  • Atomic Design patterns

  • React 19 / Vue 3.5 examples

  • Component architecture

moai-design-systems → Design System Tokens + Accessibility WCAG

  • DTCG token architecture

  • Figma MCP workflows

  • WCAG 2.2 compliance

moai-icons-vector → Icon Libraries

  • Icon library comparison

  • Performance optimization

  • Integration patterns

moai-library-shadcn (partially) → Component Architecture + Theming System

  • shadcn/ui patterns

  • Theme system

  • Component composition

Note: moai-library-shadcn remains as a complementary skill for shadcn/ui-specific advanced patterns.

Official Resources

Last Updated: 2025-11-26 Status: Production Ready Version: 1.0.0

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