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…ts (#2152) * Fix ct-card empty section detection with JS-based slot monitoring ## Problem ct-card was showing excessive vertical whitespace when header/footer slots were empty. The previous CSS-only fix (commit 7696b91) using `:not(:has(*))` appeared to work in testing but failed in practice. ## Root Cause The `:not(:has(*))` selector cannot distinguish between: 1. A slot with no assigned content (should hide) 2. A slot showing fallback content (the slot always has children) Even when nothing is slotted, the `<slot name="header">` contains fallback child elements (card-title-wrapper div, nested slots), making `:has(*)` always return true. Additionally, for content detection, we were only checking the named `slot[name="content"]` but missing the default `<slot></slot>` inside it, which is where content goes when using `<ct-card><content></ct-card>`. ## Solution Implemented JavaScript-based slot detection: 1. Listen to `slotchange` events on all slots 2. Check `assignedNodes()` to detect actual slotted content 3. Add/remove `.empty` class which CSS uses to hide sections 4. For content, check BOTH named slot AND default slot ## Testing Verified with food-recipe pattern in Playwright: - Empty header/footer: `display: none` ✓ - Content visible: `display: block` ✓ - Spacing: 25px on all sides (1px border + 24px padding) ✓ - Top/bottom now matches left/right ✓ Before: 49px top, 73px bottom (asymmetric) After: 25px all sides (symmetric) Generated with [Claude Code](https://claude.com/claude-code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Fix ct-card title/description/action slots not displaying The CSS rule was trying to hide the wrapper when empty, but can't detect slot assignment. The slotted elements (with slot="title", etc.) are in the light DOM, not in the shadow DOM where the wrapper lives. Solution: Use same JS-based detection approach for title-wrapper visibility. Check title/action/description slots with assignedNodes() and toggle .empty class on both the title-wrapper and header elements. This fixes Test 5 in the comprehensive test suite where title/description/ action slots were present but not displaying. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Fix ct-card whitespace detection and header-only spacing Addresses cubic's PR feedback about whitespace-only text nodes being counted as content. Changes: - Add hasContent() helper that filters whitespace-only text nodes and empty elements - Apply filtering consistently to all slot checks (header, content, footer, title, action, description) - Fix vertical spacing for header-only cards by adding bottom padding when content section is empty This prevents formatting whitespace in HTML from incorrectly showing empty card sections. 🤖 Generated with [Claude Code](https://claude.com/claude-code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Fix hasContent to not hide childless elements Addresses cubic's feedback that elements with no children (like <img>, <ct-icon>, or custom elements) were incorrectly being treated as empty. Changed logic: - Elements with NO children are now considered content (they're self-contained like images, icons, etc.) - Elements WITH children are only empty if all children are whitespace This preserves the whitespace filtering while correctly handling icon/image/custom elements. 🤖 Generated with [Claude Code](https://claude.com/claude-code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Refactor slot content detection into shared utility Extract the finicky slot content detection logic into a reusable utility function that can be used by other components. Changes: - Add packages/ui/src/v2/utils/slots.ts with nodeHasContent() and slotHasContent() functions - Replace inline hasContent logic in ct-card with slotHasContent() - Export slots utility from utils/index.ts This makes the logic: - Reusable across components that need slot content detection - Easier to test in isolation - Easier to maintain (single source of truth) - Better documented with JSDoc 🤖 Generated with [Claude Code](https://claude.com/claude-code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Fix slot content detection for elements with only non-text children The nodeHasContent() function now correctly handles elements that contain only non-text child elements (icons, buttons, images, etc.) by checking element.children.length before falling back to textContent checks. Previously, elements like `<div><ct-icon name="star"></ct-icon></div>` would be incorrectly marked as empty because textContent would be empty. This addresses cubic's feedback on PR #2152. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Reduce to minimal fix * Format pass --------- Co-authored-by: Claude <[email protected]> Co-authored-by: Happy <[email protected]> Co-authored-by: Ben Follington <[email protected]>
* feat(ui): Add ct-file-input base component Create generic file upload component that can handle any file type. Features: - Accepts any file type via 'accept' attribute - Smart preview rendering based on MIME type (images vs documents) - Protected methods for subclass extension (processFile, renderPreview, etc.) - No compression logic in base class - Cell-based reactive data binding This component serves as the base for ct-image-input and enables PDF/document upload use cases. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * refactor(ui): Refactor ct-image-input to extend ct-file-input Convert ct-image-input from standalone component to subclass of ct-file-input. Changes: - Extends CTFileInput instead of BaseElement - ImageData now extends FileData - Compression logic moved to override methods - Image dimension extraction in processFile override - Capture attribute added via renderFileInput override - Backward compatibility maintained via property aliases (images/maxImages) - Event details include both 'images' and 'files' properties This reduces code duplication and establishes clear inheritance hierarchy while maintaining full backward compatibility with existing code. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * test(ui): Add manual test file for ct-file-input and ct-image-input Create HTML test page to verify: - ct-file-input with PDF support - ct-file-input with mixed image/PDF support - ct-image-input backward compatibility (images property) - ct-image-input camera capture support Test file includes event listeners to verify both 'images' and 'files' properties are present for backward compatibility. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * feat(types): Add JSX types for ct-file-input component Add TypeScript JSX definitions for ct-file-input: - CTFileInputElement interface - CTFileInputAttributes interface with all properties - IntrinsicElements entry for JSX support This enables type-safe usage of ct-file-input in patterns. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * fix: Address cubic code review issues 1. **maxSizeBytes now used in ct-file-input**: Added console.warn when files exceed size threshold 2. **max-file guard fixed**: Only enforces limit in multiple mode, allowing single-file replacement 3. **Removed test-file-input.html**: Browser cannot load TypeScript directly; test-file-upload.tsx pattern serves this purpose 4. **Fixed ct-image-input handler conflict**: Made parent _handleFileChange protected, subclass calls via super 5. **Fixed event recursion**: Override emit() method to add backward-compat properties instead of listening/re-emitting These changes ensure proper file validation, fix single-file selection replacement, and eliminate infinite recursion in event handling. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * fix: Address additional cubic code review issues - Move maxSizeBytes check to after compression so it validates the final file size - Fix max file guard to only apply in multiple mode, allowing single-file replacement - Note: test-file-input.html import issue is moot as file was removed in earlier commit Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Remove test files, screenshots, and bug reports from PR These files were accidentally included and are not part of the ct-file-input/ct-image-input PDF support feature: - 76 playwright screenshot files - 8 bug report and documentation files - 11 test pattern files - package.json/package-lock.json (playwright test dependency) This reduces the PR from 6,656 lines to just the actual feature code. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <[email protected]> Co-Authored-By: Happy <[email protected]> * Format and lint --------- Co-authored-by: Claude <[email protected]> Co-authored-by: Happy <[email protected]> Co-authored-by: Ben Follington <[email protected]>
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