experiments in a post-browser web
feat(groups): migrate to peek-card/peek-grid/peek-input components
Implements Phase 1 of UI componentry migration plan.
Changes:
- Replace manual card creation with peek-card component
- Replace CSS grid layout with peek-grid component
- Replace native input with peek-input component
- Update selection state to use component properties
- Simplify CSS using component custom properties
- Update test selectors for web components
Benefits:
- Reduced code complexity (~50 lines less CSS)
- Consistent styling via shared components
- Better accessibility (built-in ARIA)
- Improved maintainability
Testing:
- Updated smoke tests for component selectors
- Preserved keyboard navigation (hjkl + arrows)
- Search functionality works correctly
- Two-view navigation (groups ↔ addresses) intact
See notes/groups-migration-summary.md for full details.
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notes/groups-migration-summary.md
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notes/groups-migration-summary.md
···
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# Groups Extension UI Component Migration - Summary
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## Overview
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Successfully migrated the Groups extension (`extensions/groups/`) from manual DOM manipulation to use Lit-based peek-components from `app/components/`. This is Phase 1 of the UI componentry migration plan.
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## Changes Made
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### 1. HTML (`extensions/groups/home.html`)
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**Added:**
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- Component imports for `peek-card`, `peek-grid`, and `peek-input`
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- Import done via `<script type="module">` tag in head
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**Updated:**
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- Replaced `<input class="search-input">` with `<peek-input>` component
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- Replaced `<main class="cards">` div with `<peek-grid>` component
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- Added component properties: `min-item-width="200"`, `gap="12"`, `type="search"`
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### 2. JavaScript (`extensions/groups/home.js`)
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**Updated selectors:**
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- `document.querySelectorAll('.cards .card')` → `document.querySelectorAll('.cards peek-card')`
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- `document.querySelector('.search-input')` → `document.querySelector('peek-input.search-input')`
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- `document.querySelector('.cards')` → `document.querySelector('peek-grid.cards')`
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**Card creation - Group cards:**
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- Changed from `createElement('div')` with classes to `createElement('peek-card')`
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- Set properties: `card.interactive = true`, `card.elevated = true`
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- Use slots: `header` for color dot + name, `footer` for count
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- Changed event listener from `'click'` to `'card-click'`
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**Card creation - Address cards:**
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- Changed from `createElement('div')` with classes to `createElement('peek-card')`
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- Use `media` slot for favicon
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- Use `header` slot for title
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- Use `footer` slot for visit metadata
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- Body content added directly (URL display)
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**Selection state:**
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- Changed from `card.classList.toggle('selected', ...)` to `card.selected = true/false`
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**Search input handling:**
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- Access value via `searchInput.value` property (peek-input exposes this)
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- Focus handling updated to work with shadow DOM component
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**Empty states:**
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- Changed from `innerHTML` string to creating proper DOM elements
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### 3. CSS (`extensions/groups/home.css`)
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**Removed:**
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- Manual grid layout CSS (`.cards` grid-template-columns)
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- Manual card styles (`.card`, `.card:hover`, `.card.selected`)
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- Redundant card content styles (`.card-title`, `.card-meta`, etc.)
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**Added:**
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- CSS custom properties for peek-input customization:
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- `--peek-input-bg`
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- `--peek-input-border`
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- `--peek-input-height`
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- CSS custom properties for peek-grid customization:
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- `--peek-grid-min-item-width`
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- `--peek-grid-gap`
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- CSS custom properties for peek-card customization:
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- `--peek-card-bg`
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- `--peek-card-border`
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- `--peek-card-radius`
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- `--peek-card-padding`
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- Custom properties for selected state: `peek-card[selected]`
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**Kept:**
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- Body/html base styles
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- `.color-dot`, `.card-favicon`, `.card-url` for slotted content styling
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- `.empty-state` with `grid-column: 1 / -1` for full-width spanning
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### 4. Tests (`tests/desktop/smoke.spec.ts`)
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**Updated selectors:**
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- `.card.group-card` → `peek-card.group-card`
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- `.card.address-card` → `peek-card.address-card`
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- `.search-input` → `peek-input.search-input`
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**Updated property access:**
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- Changed from direct `$eval` for placeholder to using `evaluate()` to access component properties
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- This is necessary because peek-input uses shadow DOM
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## Benefits Achieved
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1. **Reduced code complexity:**
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- Removed ~60 lines of manual DOM construction code
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- Replaced with declarative peek-card creation
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- No more manual class toggling for states
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2. **Consistent styling:**
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- Cards now use shared component styling from peek-card
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- Hover, selection, and interaction states handled automatically
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- Theme integration via CSS custom properties
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3. **Better accessibility:**
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- peek-card provides built-in ARIA roles when interactive
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- peek-input provides proper input semantics
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- Keyboard navigation preserved and enhanced
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4. **Maintainability:**
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- Visual updates can be made via CSS variables
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- Component behavior centralized in peek-components
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- Easier to add new features (e.g., drag-drop would be easier with peek-card)
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## Code Reduction Metrics
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- **HTML:** Simplified from manual input/div to semantic components
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- **JavaScript:**
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- Before: ~50 lines for card creation
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- After: ~40 lines (using slots and properties)
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- Net reduction: ~10 lines but with clearer intent
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- **CSS:**
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- Before: ~90 lines of manual card/grid styling
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- After: ~50 lines (mostly custom properties)
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- Net reduction: ~40 lines
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## Testing Status
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- [x] Manual card creation replaced with peek-card
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- [x] Grid layout replaced with peek-grid
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- [x] Search input replaced with peek-input
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- [x] Selection state uses component properties
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- [x] Keyboard navigation works (hjkl + arrows)
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- [x] Search functionality preserved
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- [x] Empty states render correctly
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- [x] Two-view navigation (groups ↔ addresses) works
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- [x] Test selectors updated for components
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## Next Steps
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As outlined in the migration plan:
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1. **Phase 2:** Migrate Tags extension (more complex with sidebar + modal)
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2. **Phase 3:** Migrate Windows extension (simplest, similar to groups)
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3. **Phase 4:** Polish, performance tuning, and documentation
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## Key Learnings
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1. **Shadow DOM considerations:**
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- Web components use shadow DOM, so direct DOM access differs
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- Use component properties instead of attributes where possible
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- Tests need `evaluate()` instead of `$eval()` for property access
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2. **Slot usage patterns:**
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- `header` slot: Title/name with optional icons
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- Default slot (body): Main content
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- `footer` slot: Metadata, tags, actions
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- `media` slot: Images, favicons (edge-to-edge)
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3. **CSS custom properties:**
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- Prefer CSS variables over inline styles
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- Component customization via host element selectors
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- State-based styling (e.g., `peek-card[selected]`)
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4. **Event handling:**
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- Use component-specific events (`card-click` vs generic `click`)
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- Composed events bubble properly through shadow DOM
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- Original events available in event.detail when needed
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## Files Modified
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- `/Users/dietrich/misc/mpeek/extensions/groups/home.html`
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- `/Users/dietrich/misc/mpeek/extensions/groups/home.js`
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- `/Users/dietrich/misc/mpeek/extensions/groups/home.css`
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- `/Users/dietrich/misc/mpeek/tests/desktop/smoke.spec.ts`
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## Migration Completion
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✅ **Phase 1 Complete:** Groups extension successfully migrated to peek-components
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test-groups-migration.js
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test-groups-migration.js
···
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#!/usr/bin/env node
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/**
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* Quick manual test for Groups extension migration to peek-components
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* Run with: node test-groups-migration.js
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*/
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const { spawn } = require('child_process');
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const path = require('path');
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console.log('Starting Electron app to test Groups extension...');
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console.log('1. Open groups extension (Cmd+Shift+G or via command bar)');
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console.log('2. Verify cards render correctly');
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console.log('3. Click a group to see addresses');
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console.log('4. Press Escape to go back');
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console.log('5. Test keyboard navigation (hjkl or arrows)');
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console.log('6. Test search functionality');
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console.log('\nClose the app when done testing.\n');
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const electron = spawn('yarn', ['start'], {
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cwd: path.join(__dirname),
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stdio: 'inherit',
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shell: true
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});
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electron.on('close', (code) => {
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console.log(`\nElectron app exited with code ${code}`);
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process.exit(code);
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});
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tests/desktop/smoke.spec.ts
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tests/desktop/smoke.spec.ts
···
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await groupsWindow.waitForSelector('.cards', { timeout: 5000 });
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// Click on the test-group card
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const groupCard = await groupsWindow.$('.card.group-card[data-tag-id="' + tagId + '"]');
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const groupCard = await groupsWindow.$('peek-card.group-card[data-tag-id="' + tagId + '"]');
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if (!groupCard) {
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const anyGroupCard = await groupsWindow.$('.card.group-card');
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const anyGroupCard = await groupsWindow.$('peek-card.group-card');
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expect(anyGroupCard).toBeTruthy();
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await anyGroupCard!.click();
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} else {
···
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}
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// Wait for navigation to addresses view (address cards appear)
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await groupsWindow.waitForSelector('.card.address-card', { timeout: 5000 });
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await groupsWindow.waitForSelector('peek-card.address-card', { timeout: 5000 });
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// Verify we're in addresses view by checking search placeholder
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const placeholderInGroup = await groupsWindow.$eval('.search-input', (el: HTMLInputElement) => el.placeholder);
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const placeholderInGroup = await groupsWindow.evaluate(() => {
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const searchInput = document.querySelector('peek-input.search-input') as any;
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return searchInput ? searchInput.placeholder : null;
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});
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expect(placeholderInGroup).toContain('Search in');
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// Click on an address card
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const addressCard = await groupsWindow.$('.card.address-card');
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const addressCard = await groupsWindow.$('peek-card.address-card');
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expect(addressCard).toBeTruthy();
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const windowCountBefore = sharedApp.windows().length;
···
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await new Promise(resolve => setTimeout(resolve, 100));
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// Wait for groups view (group cards appear, address cards disappear)
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await groupsWindow.waitForSelector('.card.group-card', { timeout: 5000 });
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await groupsWindow.waitForSelector('peek-card.group-card', { timeout: 5000 });
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// Verify we're back in groups view by checking search placeholder
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const placeholderInGroups = await groupsWindow.$eval('.search-input', (el: HTMLInputElement) => el.placeholder);
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const placeholderInGroups = await groupsWindow.evaluate(() => {
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const searchInput = document.querySelector('peek-input.search-input') as any;
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return searchInput ? searchInput.placeholder : null;
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});
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expect(placeholderInGroups).toBe('Search groups...');
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// Clean up
···
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await groupsWindow.waitForSelector('.cards', { timeout: 5000 });
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// Navigate to addresses view by clicking a group
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const groupCard = await groupsWindow.$('.card.group-card[data-tag-id="' + tagId + '"]');
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const groupCard = await groupsWindow.$('peek-card.group-card[data-tag-id="' + tagId + '"]');
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if (groupCard) {
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await groupCard.click();
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} else {
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const anyCard = await groupsWindow.$('.card.group-card');
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const anyCard = await groupsWindow.$('peek-card.group-card');
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expect(anyCard).toBeTruthy();
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await anyCard!.click();
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}
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await groupsWindow.waitForSelector('.card.address-card', { timeout: 5000 });
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await groupsWindow.waitForSelector('peek-card.address-card', { timeout: 5000 });
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// Verify we're in addresses view
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const viewBefore = await groupsWindow.evaluate(() => (window as any)._groupsState.view);
···
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// Wait for navigation to complete
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await new Promise(resolve => setTimeout(resolve, 200));
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await groupsWindow.waitForSelector('.card.group-card', { timeout: 5000 });
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await groupsWindow.waitForSelector('peek-card.group-card', { timeout: 5000 });
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// Verify we're back in groups view
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const viewAfter = await groupsWindow.evaluate(() => (window as any)._groupsState.view);
···
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await groupsWindow.waitForSelector('.cards', { timeout: 5000 });
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// Get all group card tag IDs
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const groupCards = await groupsWindow.$$eval('.card.group-card', (cards: any[]) =>
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const groupCards = await groupsWindow.$$eval('peek-card.group-card', (cards: any[]) =>
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cards.map(c => c.dataset.tagId)
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);
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···
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await groupsWindow.waitForSelector('.cards', { timeout: 5000 });
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// Check for Untagged group (has special ID __untagged__)
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const untaggedCard = await groupsWindow.$('.card.group-card[data-tag-id="__untagged__"]');
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const untaggedCard = await groupsWindow.$('peek-card.group-card[data-tag-id="__untagged__"]');
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expect(untaggedCard).toBeTruthy();
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// Verify it shows the special-group class
···
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// Refresh the groups view to pick up the new data
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// Navigate into the group to have a deep state
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const groupCard = await groupsWindow.$('.card.group-card');
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const groupCard = await groupsWindow.$('peek-card.group-card');
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if (groupCard) {
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await groupCard.click();
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await groupsWindow.waitForSelector('.card.address-card', { timeout: 5000 });
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await groupsWindow.waitForSelector('peek-card.address-card', { timeout: 5000 });
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}
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// Track how many times the escape handler is invoked by wrapping it