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@lisaross lisaross commented Jun 13, 2025

Summary

Major UI enhancement to the CSS property autocomplete system, transforming it into a professional VS Code-like experience with intelligent filtering and full keyboard navigation.

✨ New Features

  • Professional UI Design: Modern suggestion panel with gradient header and sleek styling
  • Type-Ahead Filtering: Smart CSS property matching with 3 filtering modes:
    • Prefix match (highest priority): "back" → background properties
    • Contains match (medium priority): "size" → font-size, background-size
    • Fuzzy match (lowest priority): "ani" → animation properties
  • Full Keyboard Navigation:
    • ↑↓ Arrow keys to navigate suggestions
    • ⏎ Enter to insert selected property
    • ⎋ Escape to close panel
    • Real-time filtering while typing
  • Visual Enhancements:
    • Highlighted matching characters
    • Smart sorting by relevance
    • Keyboard shortcuts footer
    • Auto-positioning and scrolling

🗑️ Simplified Architecture

  • Removed preset system (dark theme, larger text, compact view, custom colors)
  • Eliminated 125+ lines of preset code for cleaner codebase
  • Focused approach on flexible custom CSS editing

📚 Documentation Updates

  • Comprehensive CLAUDE.md updates documenting all new features
  • Updated popup instructions with enhanced keyboard shortcuts
  • Version bump to 1.1.0 reflecting major changes
  • Added "Recent Major Changes" section explaining evolution

🔧 Technical Improvements

  • Efficient panel content updates without full recreation
  • Smart auto-hide timer management (15 seconds)
  • Enhanced CSS properties list (60+ properties)
  • Proper state management and event handling
  • Performance optimizations for real-time filtering

Test Plan

  • Press Cmd+K to open suggestion panel
  • Type "ani" and verify animation properties appear
  • Use arrow keys to navigate suggestions
  • Press Enter to insert selected property
  • Verify type-ahead filtering updates in real-time
  • Test Escape key to close panel
  • Confirm panel auto-hides after 15 seconds of inactivity

🤖 Generated with Claude Code

Summary by CodeRabbit

  • New Features

    • Introduced an advanced CSS property autocomplete system in the editor, featuring smart suggestions with prefix, substring, and fuzzy matching.
    • Added interactive suggestion panel with keyboard and mouse navigation, highlighted matches, and auto-hide functionality.
    • Enhanced real-time linting, code formatting, and live preview capabilities.
  • Documentation

    • Updated documentation and in-app instructions to reflect new autocomplete features, keyboard shortcuts, and removal of preset themes.
  • Chores

    • Updated extension metadata and keywords to better describe the improved CSS editor features.

lisaross and others added 7 commits June 13, 2025 13:24
- Add modern, professional suggestion panel design with gradient header
- Implement full keyboard navigation (up/down arrows, Enter, Escape)
- Expand CSS properties list with 20+ additional common properties
- Add visual selection indicators and smooth transitions
- Include keyboard shortcuts footer in suggestion panel
- Add debugging logs to troubleshoot keyboard navigation
- Improve suggestion panel positioning and auto-scroll support
- Auto-save inserted suggestions to storage

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Remove premature state reset that was causing selectedSuggestionIndex to be -1
- Add comprehensive debugging to track state changes
- Improve bounds checking for arrow key navigation
- Prevent state reset when recreating suggestion panel

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Implement smart filtering: prefix match → contains match → fuzzy match
- Add visual highlighting of matching characters in suggestions
- Sort suggestions by relevance (exact prefix first, then by position)
- Support abbreviations (e.g., "ani" matches "animation")
- Enhanced footer with type filtering hint
- Preserve highlighting during keyboard navigation

Examples:
- "ani" → animation, animation-delay, animation-duration
- "back" → background, background-color, background-image
- "marg" → margin, margin-top, margin-right, etc.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Remove panel closure on typing events that was preventing type-ahead
- Refactor suggestion logic into reusable functions
- Add updateSuggestionsFromCurrentText() for real-time updates
- Use setTimeout to wait for text changes before updating suggestions
- Add detailed logging for debugging type-ahead behavior

Now typing "ani" will show animation properties and continue filtering as you type\!

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Create updateSuggestionPanelContent() to update existing panel instead of recreating
- Add proper auto-hide timer management with resetAutoHideTimer()
- Increase auto-hide timeout to 15 seconds for better type-ahead experience
- Clear and reset timer when panel content updates
- Add comprehensive logging for debugging panel lifecycle
- Preserve panel state while actively typing and filtering

Now typing will smoothly filter suggestions without panel flickering or premature closure\!

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Add comprehensive section on Enhanced Autocomplete System in CLAUDE.md
- Document smart filtering modes (prefix, contains, fuzzy matching)
- Detail keyboard navigation and type-ahead functionality
- Update popup instructions with enhanced Cmd+K tips
- Revise project descriptions to highlight intelligent auto-completion
- Remove outdated preset system references
- Add visual features and auto-positioning details

Documentation now accurately reflects the professional VS Code-like autocomplete experience.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Add "Recent Major Changes" section documenting preset removal and autocomplete addition
- Update version to 1.1.0 to reflect significant feature changes
- Enhance keywords with intelligent-autocomplete, type-ahead, syntax-highlighting
- Document rationale for removing presets in favor of professional CSS editing
- Note performance improvement from removing 125 lines of preset code
- Emphasize shift from preset-based to flexible custom CSS approach

Documentation now comprehensively covers evolution from v1.0 to v1.1.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
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coderabbitai bot commented Jun 13, 2025

Walkthrough

The update enhances the Chrome extension's CSS editor by introducing an advanced intelligent auto-completion system with type-ahead filtering, real-time linting, code formatting, and a live preview. The preset system is removed, focusing on a professional code editing experience. Documentation, metadata, and user interface instructions are updated accordingly.

Changes

Files Change Summary
CLAUDE.md Expanded documentation to detail new autocomplete features, removed preset system references, and updated rationale.
package.json Updated version to 1.1.0, enhanced description, and revised keywords to reflect new editor capabilities.
popup.html Expanded keyboard shortcut instructions and added detailed tips for using smart CSS property suggestions.
popup.js Added comprehensive CSS property suggestion system with interactive panel, keyboard/mouse navigation, and filtering.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant Editor (popup.js)
    participant SuggestionPanel

    User->>Editor: Types in CSS editor
    Editor->>Editor: Detects trigger (Cmd+K/Ctrl+K/Ctrl+Space)
    Editor->>SuggestionPanel: Show property suggestions (filtered & sorted)
    User->>SuggestionPanel: Navigates suggestions (Arrow keys)
    User->>SuggestionPanel: Selects suggestion (Enter)
    SuggestionPanel->>Editor: Inserts property, updates CSS
    Editor->>SuggestionPanel: Auto-hides after inactivity
Loading

Poem

🐇
A hop and a skip, the editor grew bright,
With smart suggestions sparkling in the light.
No more presets—just code with delight,
Arrow keys dance, and Enter feels right.
Now CSS flows with a magical hue,
The bunny approves—this update is new!

✨ Finishing Touches
  • 📝 Generate Docstrings

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Actionable comments posted: 1

🧹 Nitpick comments (4)
popup.html (1)

288-291: Use semantic tags for key combos

For shortcut legends we usually wrap keystrokes in to improve accessibility and keep styling consistent across browsers:

- <code>Ctrl/Cmd+K</code>
+ <kbd>Ctrl/Cmd</kbd><kbd>K</kbd>

Same for the other keys.

popup.js (3)

623-637: Refresh the property list

grid-gap is deprecated in favour of gap; other modern properties (e.g., place-items, aspect-ratio) are missing.

Consider:

- 'grid-gap',
+ 'gap', 'place-items', 'aspect-ratio',

Keeping the list current improves lint accuracy and autocomplete usefulness.


650-697: Minor: simplify filtering with startsWith/ includes / fuzzy weights

The custom sort works, but readability would improve by mapping each candidate to a weight (0-prefix, 1-contains, 2-fuzzy) then sorting by that tuple plus localeCompare. This avoids the triple if ladder and is easier to tweak.


924-931: Panel placement isn’t caret-aware

Positioning relative to the textarea’s top-left can place the panel far from the typing point when the editor is scrolled. Using a hidden mirror element or selectionStart with getClientRects() will allow positioning at the caret for a VS-Code-like feel.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between d40ca1a and d10892e.

📒 Files selected for processing (4)
  • CLAUDE.md (3 hunks)
  • package.json (2 hunks)
  • popup.html (1 hunks)
  • popup.js (2 hunks)
🧰 Additional context used
🪛 Biome (1.9.4)
popup.js

[error] 270-270: Change to an optional chain.

Unsafe fix: Change to an optional chain.

(lint/complexity/useOptionalChain)


[error] 836-836: Change to an optional chain.

Unsafe fix: Change to an optional chain.

(lint/complexity/useOptionalChain)


[error] 984-985: Change to an optional chain.

Unsafe fix: Change to an optional chain.

(lint/complexity/useOptionalChain)

🔇 Additional comments (2)
package.json (1)

3-5: Metadata update looks good

Version bump and richer description align with the feature set.

CLAUDE.md (1)

46-86: Docs LGTM

The new sections clearly document behaviour and shortcuts.

Comment on lines +268 to +321
// Handle suggestion panel navigation
const activeSuggestionPanel = document.getElementById('suggestion-panel');
if (activeSuggestionPanel && activeSuggestionPanel.parentNode) {
console.log('Suggestion panel is active, handling key:', e.key);

if (e.key === 'ArrowDown') {
e.preventDefault();
e.stopPropagation();
console.log('ArrowDown: current index:', selectedSuggestionIndex, 'max:', currentSuggestions.length - 1);
selectedSuggestionIndex = Math.min(selectedSuggestionIndex + 1, currentSuggestions.length - 1);
console.log('Moving down to index:', selectedSuggestionIndex);
updateSuggestionSelection();
return;
}

if (e.key === 'ArrowUp') {
e.preventDefault();
e.stopPropagation();
console.log('ArrowUp: current index:', selectedSuggestionIndex, 'min: 0');
selectedSuggestionIndex = Math.max(selectedSuggestionIndex - 1, 0);
console.log('Moving up to index:', selectedSuggestionIndex);
updateSuggestionSelection();
return;
}

if (e.key === 'Enter') {
e.preventDefault();
e.stopPropagation();
if (selectedSuggestionIndex >= 0 && selectedSuggestionIndex < currentSuggestions.length) {
const selectedSuggestion = currentSuggestions[selectedSuggestionIndex];
console.log('Inserting suggestion:', selectedSuggestion);
insertSuggestion(selectedSuggestion, currentWord);
closeSuggestionPanel();
}
return;
}

if (e.key === 'Escape') {
e.preventDefault();
e.stopPropagation();
closeSuggestionPanel();
return;
}

// For typing keys, update suggestions instead of closing panel
if (e.key.length === 1 || e.key === 'Backspace' || e.key === 'Delete') {
console.log('Text modification key pressed:', e.key, '- will update suggestions after text changes');
// Don't close panel, let the input event handler update suggestions
// Use setTimeout to wait for the text to actually change
setTimeout(() => {
updateSuggestionsFromCurrentText();
}, 10);
}
}
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⚠️ Potential issue

Arrow-key navigation can select an item that isn’t rendered

selectedSuggestionIndex is clamped to currentSuggestions.length - 1, but the panel only renders the first 12 items (slice(0, 12)). Navigating ↓ past index 11 leaves no DOM element to highlight, causing updateSuggestionSelection() to scroll nothing and leaves the UI out of sync with the item inserted on Enter.

- selectedSuggestionIndex = Math.min(selectedSuggestionIndex + 1, currentSuggestions.length - 1);
+ const maxVisible = Math.min(currentSuggestions.length, 12) - 1;
+ selectedSuggestionIndex = Math.min(selectedSuggestionIndex + 1, maxVisible);

You’ll need similar logic for ↑ and when rebuilding the list.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
// Handle suggestion panel navigation
const activeSuggestionPanel = document.getElementById('suggestion-panel');
if (activeSuggestionPanel && activeSuggestionPanel.parentNode) {
console.log('Suggestion panel is active, handling key:', e.key);
if (e.key === 'ArrowDown') {
e.preventDefault();
e.stopPropagation();
console.log('ArrowDown: current index:', selectedSuggestionIndex, 'max:', currentSuggestions.length - 1);
selectedSuggestionIndex = Math.min(selectedSuggestionIndex + 1, currentSuggestions.length - 1);
console.log('Moving down to index:', selectedSuggestionIndex);
updateSuggestionSelection();
return;
}
if (e.key === 'ArrowUp') {
e.preventDefault();
e.stopPropagation();
console.log('ArrowUp: current index:', selectedSuggestionIndex, 'min: 0');
selectedSuggestionIndex = Math.max(selectedSuggestionIndex - 1, 0);
console.log('Moving up to index:', selectedSuggestionIndex);
updateSuggestionSelection();
return;
}
if (e.key === 'Enter') {
e.preventDefault();
e.stopPropagation();
if (selectedSuggestionIndex >= 0 && selectedSuggestionIndex < currentSuggestions.length) {
const selectedSuggestion = currentSuggestions[selectedSuggestionIndex];
console.log('Inserting suggestion:', selectedSuggestion);
insertSuggestion(selectedSuggestion, currentWord);
closeSuggestionPanel();
}
return;
}
if (e.key === 'Escape') {
e.preventDefault();
e.stopPropagation();
closeSuggestionPanel();
return;
}
// For typing keys, update suggestions instead of closing panel
if (e.key.length === 1 || e.key === 'Backspace' || e.key === 'Delete') {
console.log('Text modification key pressed:', e.key, '- will update suggestions after text changes');
// Don't close panel, let the input event handler update suggestions
// Use setTimeout to wait for the text to actually change
setTimeout(() => {
updateSuggestionsFromCurrentText();
}, 10);
}
}
// Handle suggestion panel navigation
const activeSuggestionPanel = document.getElementById('suggestion-panel');
if (activeSuggestionPanel && activeSuggestionPanel.parentNode) {
console.log('Suggestion panel is active, handling key:', e.key);
if (e.key === 'ArrowDown') {
e.preventDefault();
e.stopPropagation();
console.log('ArrowDown: current index:', selectedSuggestionIndex, 'max:', currentSuggestions.length - 1);
+ const maxVisible = Math.min(currentSuggestions.length, 12) - 1;
+ selectedSuggestionIndex = Math.min(selectedSuggestionIndex + 1, maxVisible);
- selectedSuggestionIndex = Math.min(selectedSuggestionIndex + 1, currentSuggestions.length - 1);
console.log('Moving down to index:', selectedSuggestionIndex);
updateSuggestionSelection();
return;
}
if (e.key === 'ArrowUp') {
e.preventDefault();
e.stopPropagation();
console.log('ArrowUp: current index:', selectedSuggestionIndex, 'min: 0');
selectedSuggestionIndex = Math.max(selectedSuggestionIndex - 1, 0);
console.log('Moving up to index:', selectedSuggestionIndex);
updateSuggestionSelection();
return;
}
// … rest of the handler unchanged …
}
🧰 Tools
🪛 Biome (1.9.4)

[error] 270-270: Change to an optional chain.

Unsafe fix: Change to an optional chain.

(lint/complexity/useOptionalChain)

🤖 Prompt for AI Agents
In popup.js between lines 268 and 321, the selectedSuggestionIndex is clamped to
currentSuggestions.length - 1, but the suggestion panel only renders the first
12 items, causing the index to exceed the rendered items and break UI
synchronization. To fix this, clamp selectedSuggestionIndex to the minimum of
currentSuggestions.length - 1 and 11 (the max rendered index) for both ArrowDown
and ArrowUp key handling. Also, ensure that when rebuilding the suggestion list,
the selectedSuggestionIndex is adjusted similarly to stay within the rendered
range.

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2 participants