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Features Checklist

This document tracks implemented and remaining features for the MUI Theme Builder project.

Last Updated: December 3, 2025

✅ Core Features (Implemented)

Theme Editing

  • Simultaneous light & dark mode editing
  • Visual property editor for palette, typography, spacing, and shapes
  • Code editor with TypeScript autocomplete
  • Real-time theme preview
  • Theme templates (Material Design, Modern, Minimal, iOS 26)
  • Template registry system with extensibility
  • Color scheme toggle
  • Design storage and persistence (localStorage)
  • Undo/Redo history system

Export System

  • Export ThemeOptions (partial)
  • Export full Theme object
  • Export formats: TypeScript, JavaScript, JSON
  • Clean, copy-paste ready code output

Code Editor

  • TypeScript/JavaScript code editor with syntax highlighting
  • MUI theme autocomplete
  • Code validation (AST-based)
  • Security validation (prevents code injection)
  • Domain-Specific Language (DSL) for safe code execution
  • Diff view support
  • Code override system

UI/UX

  • Modern, intuitive interface
  • Responsive design
  • Dark mode support
  • Keyboard shortcuts
  • Properties panel (Designer & Developer modes)
  • Explorer panel with canvas objects tree
  • Toolbar with quick actions
  • Canvas with zoom/pan controls
  • Viewport simulation for responsive testing

Preview System

  • Multiple preview components (Dashboard, Blog, Contact Form, etc.)
  • Product card grid
  • Checkout example
  • MUI components registry (auto-discovered)
  • Preview registry system
  • Real-time theme application

Architecture

  • Layered compilation pipeline (Base → Visual → Code → Compiled)
  • Theme compiler with validation and transformation
  • State management (Zustand-based design store)
  • Feature flags system
  • Security boundary (DSL prevents arbitrary code execution)

🚧 Incomplete Features (TODO/FIXME Found)

New Design Methods

  • Paste Option Implementation - Import theme from clipboard JSON

    • File: src/Editor/Design/Draft/Methods/PasteOption.tsx
    • TODO: Call store action to import theme options (line 23)

  • Blank Option Implementation - Create empty design with preset

    • File: src/Editor/Design/Draft/Methods/BlankOption.tsx
    • TODO: Call store to create an empty design with chosen preset (line 8)

Resource Generator Feature

  • Dynamic Resource Generator - AI-powered theme generation
    • Files: DynamicResourceGenerator.tsx, resourceGeneratorMap.tsx
    • Status: FAB UI implemented, but generation logic missing
    • Buttons exist for: "Generate Colors", "Generate Typography", "Generate Appearance"
    • Scope unclear: How far to take this feature?
    • Potential: Color palette generation, typography scales, appearance presets

Typography Properties (Incomplete)

  • Missing Typography Variants - Only H1-H6 and Button implemented
    • Currently missing editors for:
      • body1, body2
      • subtitle1, subtitle2
      • caption
      • overline
    • File: src/Editor/Properties/Typography/Typography.tsx
    • Note: Mentioned in font family config but no dedicated editors

Appearance/Layout Properties (Empty Folders)

  • Layout Properties - Empty folder structure exists

    • Folder: src/Editor/Properties/Appearance/Layout/
    • Potential properties: Container queries, CSS Grid/Flexbox utilities

  • Effects Properties - Empty folder structure exists

    • Folder: src/Editor/Properties/Appearance/Effects/
    • Potential properties: Backdrop blur, glass morphism, gradients
    • Ideas file exists: appearance-category-idea-source.ts with presets like:
      • RTL content support
      • Remove AppBar elevation
      • Glass backgrounds
      • iOS switches
      • Disable ripple effects
      • Dense UI variants

Appearance/Size Properties (Missing)

  • Size/Density Properties - No visual editor exists
    • Mentioned in appearance ideas: Dense buttons, inputs, lists, tables, menus
    • MUI density customization not exposed in UI

UI Polish

  • Properties Panel Padding - Match right padding of page content

    • File: src/Editor/Properties/PropertiesPanel.tsx
    • FIXME: Match right padding of page content (line 126)

  • CSS Style Input Width - Remove magic number

    • File: src/Editor/Properties/Appearance/Styles/CssStyleInputOption.tsx
    • FIXME: Magic number for width: "6ch" (line 80)

  • Color Scheme Toggle Size - Match activity bar button sizes

    • File: src/Editor/Design/Current/Modify/ColorSchemeToggle.tsx
    • TODO: Match the size of other activity bar actions/buttons (line 54)

🔮 Planned Features (From Documentation)

Theme Compiler Enhancements

From src/Editor/Design/compiler/README.md:

  • Support for custom MUI components in DSL
  • Advanced breakpoint queries (not, print, etc.)
  • Type-safe DSL builder API
  • Performance profiling for large themes
  • Incremental transformation (only changed paths)

Additional Theme Properties

Currently missing visual editors for:

  • Breakpoints - Responsive breakpoints customization
    • Present in code completions but no visual editor
  • Z-Index - Layer stacking customization
    • Present in code completions but no visual editor
  • Transitions - Animation timing and easing
    • Present in code completions but no visual editor
  • Mixins - Custom theme mixins
    • Present in code completions but no visual editor
  • Shadows - Elevation shadow customization
    • No visual editor found (only in templates)
    • Could include shadow color, blur, spread controls
  • Components - Component-specific style overrides UI
    • Code validation exists, but no dedicated visual editor
    • This is the biggest gap for power users

Template System

  • More Design Templates - Per README: "Submission are encouraged via pull request"
    • Current templates: Material, Modern, Minimal, iOS 26
    • Need: More design presets from different design systems
    • Potential: Chakra UI-inspired, Tailwind-inspired, Bootstrap-inspired, etc.

Version History

  • Version history dialog (feature-flagged)
  • Save/restore design versions
  • Production Ready - Currently disabled in production by default
    • Feature flag: SHOW_VERSION_HISTORY (default: dev only)

🎯 Feature Priorities (Suggested)

High Priority (Core Functionality Gaps)

  1. Complete Typography Variants

    • Add body1, body2, subtitle1, subtitle2, caption, overline editors
    • Current: Only 40% of typography system covered

  2. Complete New Design Methods

    • Implement Paste Option (import from JSON)
    • Implement Blank Option (start from scratch)

  3. Component Style Overrides UI

    • Visual editor for components.MuiButton.styleOverrides, etc.
    • This is a major MUI feature that's only accessible via code editor
    • Could be similar to Chrome DevTools style inspector

  4. Resource Generator Feature Scope

    • Decide how far to take AI/algorithmic generation
    • Options:
      • Basic: Generate harmonious color palettes from base color
      • Medium: Generate typography scales, spacing scales
      • Advanced: Full theme generation from description/image
    • Implementation depends on your vision

Medium Priority (Enhanced UX)

  1. Layout & Effects Properties

    • Implement appearance presets from appearance-category-idea-source.ts
    • Add visual editors for Layout and Effects folders
    • Include: RTL, glass morphism, density controls, etc.

  2. Complete Theme Property Coverage

    • Visual editors for breakpoints, shadows, transitions
    • Would achieve full theme customization parity

  3. UI Polish

    • Fix padding/sizing TODOs/FIXMEs
    • Consistent spacing and sizing across UI

Low Priority (Nice-to-Have)

  1. More Templates

    • Add more design system templates
    • Community contributions encouraged

  2. Compiler Enhancements

    • Custom component support in DSL
    • Performance profiling for large themes

  3. Advanced Features

    • Type-safe DSL builder API
    • Incremental transformation optimization
    • Advanced breakpoint queries

🚀 Missing Features (Comparing to Competitors)

Based on analysis of existing MUI theme tools, here are features that competitors have but are missing from this project:

Theme Management

  • Cloud Sync/Save - Save themes to cloud (not just localStorage)

    • Competitors: Have cloud storage, team sharing
    • Current: Only localStorage (limited to single browser)

  • Theme Import from URL - Load themes from remote URLs

    • Useful for sharing themes via links
    • Current: Only local file/paste support planned

  • Theme Marketplace/Gallery - Browse and use community themes

    • Competitors: Have curated theme galleries
    • Could integrate with GitHub discussions or dedicated site

Export Options

  • npm Package Export - Generate ready-to-publish npm package

    • Include package.json, README, TypeScript declarations
    • One-click publish workflow

  • CDN Link Generation - Generate CDN-hosted theme files

    • Useful for quick prototyping without install

  • Figma/Design Tool Export - Export color tokens to Figma

    • Competitors: Have Figma plugin integration
    • Useful for design-dev handoff

Developer Features

  • Live Preview URL - Deploy preview to temporary URL

    • Share live preview with stakeholders
    • Current: Only local preview

  • TypeScript Type Generation - Generate augmented theme types

    • For custom palette colors, component variants
    • Improves autocomplete in user's IDE

  • Theme Diff Viewer - Compare two themes side-by-side

    • Useful for reviewing changes or comparing templates
    • Could show visual and code differences

  • A11y Checker - Accessibility validation tool

    • Check contrast ratios automatically
    • WCAG compliance suggestions
    • Current: MUI handles contrast text, but no explicit validator UI

Design Tools Integration

  • Browser Extension - Extract themes from websites

    • Capture colors, typography from any site
    • Competitors: Have browser extensions

  • VS Code Extension - Edit themes in VS Code

    • Sync with editor for seamless workflow
    • Current: Standalone web app only

Collaboration Features

  • Comments/Annotations - Add notes to theme properties

    • Document design decisions
    • Team collaboration

  • Change History/Audit Log - Track who changed what

    • Beyond undo/redo, show full history
    • Current: Version history exists but limited

  • Theme Variants/Branches - Create theme variations

    • Like Git branches for themes
    • Compare and merge variants

Component Customization

  • Component Props Defaults - Set default props for components

    • Example: Make all buttons variant="contained" by default
    • Current: Only styleOverrides via code editor

  • Custom Component Library - Define custom component styles

    • Beyond MUI components
    • Theme your own design system

Advanced Theming

  • CSS Variables Export - Generate CSS custom properties

    • For use outside React/MUI
    • Useful for hybrid apps

  • Responsive Typography - Fluid typography with clamp()

    • Auto-scaling typography between breakpoints
    • Current: Fixed sizes per breakpoint

  • Animation Presets - Pre-built transition/animation sets

    • Smooth, snappy, bouncy, etc.
    • Apply globally to all components

  • Theme Tokens Documentation - Auto-generate theme docs

    • Create styleguide/documentation site from theme
    • Show all colors, typography, spacing with examples

💡 Nice-to-Have Features

These would significantly enhance the user experience:

Workflow Enhancements

  • Keyboard Shortcuts Panel - Visual shortcut reference

    • Current: Shortcuts exist but no discoverable UI

  • Command Palette - Quick command search (Cmd/Ctrl+K)

    • Navigate features, apply presets, change views
    • Like VS Code/Figma command palette

  • Recent Themes - Quick access to recently edited themes

    • Currently buried in collection dialog

  • Theme Search - Search saved themes by name/properties

    • Filter by color, template, date modified

Visual Enhancements

  • Dark Mode for Editor - Dark theme for the editor itself

    • Current: Editor UI is always light (themes can be dark)

  • Custom Canvas Backgrounds - Change preview background

    • Patterns, gradients, colors
    • See how theme looks on different surfaces

  • Responsive Preview Grid - See all breakpoints at once

    • Current: One breakpoint at a time
    • Show mobile, tablet, desktop side-by-side

  • Component State Preview - Show hover, focus, disabled states

    • Interactive state inspector
    • Current: Need to interact manually

Learning & Discovery

  • Interactive Tutorial - Guided onboarding

    • Teach users how to use the editor
    • Feature discovery tour

  • Theme Analyzer - Analyze theme quality

    • Accessibility score
    • Consistency score (spacing, colors)
    • Best practices recommendations

  • Design System Generator - Generate full design system docs

    • From theme, create component library documentation
    • Like Storybook but auto-generated from theme

Integration & Automation

  • CI/CD Integration - GitHub Actions for theme validation

    • Auto-check theme changes in PRs
    • Prevent breaking changes

  • Webhook Support - Notify external systems on theme changes

    • Trigger rebuilds, notify design team

  • API Access - Programmatic theme manipulation

    • REST/GraphQL API for theme operations
    • Headless theme editing

Performance & Optimization

  • Theme Size Analyzer - Show bundle impact

    • Estimate KB added to bundle
    • Suggest optimizations

  • Lazy Loading Themes - Code-split theme imports

    • Generate code for dynamic theme loading
    • Reduce initial bundle size

Mobile Support

  • Mobile Editor - Touch-optimized editing

    • Current: Desktop-first design
    • Edit themes on tablets/phones

  • Progressive Web App - Installable app

    • Offline editing support
    • Native-like experience

📝 Deprecated/Removed Items

  • Old designTemplates.ts - Replaced by registry system
  • Old DSL validator exports - Consolidated into compiler module
  • Separate light/dark theme objects - Migrated to colorSchemes

🔍 Unused/Potentially Incomplete Signals

Files That May Indicate Unfinished Work

  1. DevSandbox.tsx - Development sandbox preview component

    • Purpose unclear, may be for testing/prototyping

  2. appearance-category-idea-source.ts - In Properties/Appearance

    • Name suggests it's a reference/idea file, not production code

  3. Deprecated Functions - In src/Editor/Design/compiler/index.ts

    • Old exports marked as deprecated but still present
    • May need cleanup/removal

📊 Feature Coverage Summary

Category Implemented Remaining Coverage
Core Editing 9/9 0 ✅ 100%
Export System 4/4 0 ✅ 100%
Code Editor 7/7 0 ✅ 100%
Typography (Visual) 2/8 6 🔴 25%
Appearance (Visual) 2/7 5 🔴 29%
Theme Properties (Visual) 4/10 6 🟡 40%
Preview System 5/5 0 ✅ 100%
UI/UX Polish 8/11 3 🟡 73%
Templates 4/4+ Infinite 🟢 Good
Compiler 5/10 5 🟡 50%
Resource Generator 1/4 3 🟡 25%

Overall Completion: ~70% (revised down from 75% due to discovered gaps)

Critical Gaps Identified

  1. Typography: Only H1-H6 + Button (missing body, subtitle, caption, overline)
  2. Appearance: Layout and Effects folders completely empty
  3. Resource Generator: UI exists but no generation logic
  4. Component Overrides: No visual editor (code-only)

🚀 Next Steps Recommendations

Quick Wins (1-3 days)

  1. Complete Typography Variants

    • Add body1, body2, subtitle1, subtitle2, caption, overline
    • Copy existing Headline component pattern
    • Biggest bang for buck: 25% → 100% typography coverage

  2. Implement Paste/Blank Options

    • Wire up existing UI to store actions
    • Low-hanging fruit with clear TODOs

  3. Fix UI TODOs/FIXMEs

    • Three small polish items
    • Quick visual improvements

Major Features (1-2 weeks each)

  1. Resource Generator Scope Decision & Implementation

    • Option A (Simple): Color palette generator from base color
    • Option B (Medium): + Typography scale generator
    • Option C (Advanced): + AI-powered full theme generation
    • Recommendation: Start with Option A, validate demand before B/C

  2. Component Style Overrides Visual Editor

    • This is THE power user feature
    • Could be MUI's version of Chrome DevTools style panel
    • High complexity but huge value

  3. Complete Appearance Properties

    • Implement Layout folder (container queries, density)
    • Implement Effects folder (glass morphism, presets from ideas file)
    • Fill the empty folders with actual functionality

Polish & Enhancement (Ongoing)

  1. Theme Property Editors

    • Breakpoints, shadows, transitions visual editors
    • Nice-to-have but low priority vs core gaps

  2. More Templates

    • Community-driven, accept PRs
    • Chakra, Tailwind, Ant Design inspired themes

  3. Competitor-Inspired Features

    • Pick from "Missing Features" list based on user feedback
    • Start with: A11y checker, theme diff viewer, dark mode for editor

Moon Shots (Future)

  1. Cloud Sync & Collaboration

    • Requires backend infrastructure
    • Consider Supabase/Firebase for quick implementation

  2. VS Code Extension

    • Bring the editor to where developers work
    • Sync with web app

  3. Design System Generator

    • Auto-generate full component library docs from theme
    • Like Storybook but theme-centric

📋 Implementation Priority Matrix

Must-Have Before 1.0

  • ✅ Core editing (done)
  • ✅ Export (done)
  • ✅ Code editor (done)
  • 🔴 Complete typography variants (critical gap)
  • 🔴 Paste/Blank options (broken workflow)
  • 🟡 Component overrides UI (power user feature)

Should-Have for Strong v1

  • 🟡 Resource generator (if scope is clear)
  • 🟡 Layout/Effects properties
  • 🟡 A11y checker
  • 🟡 Theme diff viewer
  • 🟢 More templates

Could-Have for v2+

  • Cloud sync
  • Collaboration features
  • VS Code extension
  • Browser extension
  • Design system generator

📚 References

  • README.md - Project overview and feature highlights
  • docs/FEATURE_FLAGS.md - Feature flag system documentation
  • docs/Technical-Problem-Analysis.md - Architectural challenges
  • docs/Technical-Problem-Approach.md - Implementation strategy
  • src/Editor/Design/compiler/README.md - Compiler architecture
  • src/Editor/Templates/README.md - Template system guide