frontend▌

Use this skill when you need to build an app from source and prepare it for upload to App Store Connect.

Transform learning content into concrete, shippable implementation cycles using the Ship-Learn-Next framework. \n \n Converts passive content (transcripts, articles, tutorials) into actionable rep-based plans with specific weekly goals and success criteria \n Structures learning as repeating cycles: Ship (create something real), Learn (reflect honestly), Next (iterate based on insights) \n Emphasizes doing over studying—each rep produces a tangible artifact and builds one new skill, designed to

Comprehensive Vue 3 debugging reference covering reactivity, components, templates, lifecycle, SSR, and 100+ common runtime issues. \n \n Organized by feature area (reactivity, computed, watchers, components, templates, forms, lifecycle, SSR, TypeScript, animations, and more) with direct links to specific error scenarios and fixes \n Covers Vue 3 specific gotchas including ref unwrapping, proxy identity hazards, v-model IME composition, template ref timing, and hydration mismatches \n Addresses

Establish design tokens, spacing systems, and color palettes for cohesive, accessible visual designs. \n \n Provides modular typography scale, 8-point spacing grid, semantic color tokens, and iconography system with CSS variable templates \n Includes WCAG contrast requirements (4.5:1 for body text, 3:1 for UI), dark mode implementation patterns, and font-pairing guidelines \n Covers responsive typography with clamp() , color accessibility checking, and vertical rhythm techniques for visual consi

Install and configure shadcn/ui components in themed React projects with guided component selection and common UI patterns. \n \n Requires tailwind-theme-builder to have set up CSS variables, ThemeProvider, and dark mode infrastructure first \n Covers 20+ components organized by category: foundation (button, input, card), forms (form, textarea, select), feedback (toast, alert), overlays (dialog, sheet, popover), data display (table, tabs), and navigation \n Documents installation order, external

Best practices and patterns for building SwiftUI views, navigation, and state management. \n \n Covers state ownership strategies (from @State and @Binding to @Observable on iOS 17+), async/await patterns with .task , and environment injection for shared dependencies \n Includes cross-cutting references for NavigationStack routing, sheet presentation, deep linking, and app-level wiring with concrete ownership rules \n Provides component-specific guidance via indexed references, with anti-pattern

To build powerful frontend claude.ai artifacts, follow these steps:

Cross-platform mobile apps with React Native styling, navigation, and performant Reanimated animations. \n \n Covers StyleSheet patterns, dynamic styling, Flexbox layouts, and platform-specific designs for iOS and Android \n Includes React Navigation 6+ setup for stack and tab navigators with type-safe route definitions \n Provides Reanimated 3 fundamentals including shared values, animated styles, and Gesture Handler integration for drag interactions \n Features best practices for performance (

Modern framework patterns for building reusable, maintainable UI components across React, Vue, and Svelte. \n \n Covers three composition strategies: compound components, render props, and slots, with framework-specific examples and use cases \n Compares five CSS-in-JS solutions (Tailwind, CSS Modules, styled-components, Emotion, Vanilla Extract) with guidance on when to use each \n Includes component API design principles, accessibility best practices, and patterns for controlled/uncontrolled c

Generate Vitest and React Testing Library tests for Dify frontend components, hooks, and utilities. \n \n Covers component rendering, props validation, user interactions, edge cases, and async operations with Vitest 4.0.16 and React Testing Library 16.0 \n Enforces incremental, one-file-at-a-time testing workflow for multi-file directories; process by complexity (utilities → hooks → simple components → complex components → integration) \n Requires integration-first approach: import real project