Phase 1.5: Remaining Icon Components Migration#2819
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Pull request overview
This PR continues the plain-CSS migration by replacing remaining styled-icons usage with inline SVG icon components (plus some plain CSS for icon styling), updating affected components and snapshots across the app.
Changes:
- Replaced multiple
styled-iconsimports (toolbar/topbar/navigation/highlights/footer/etc.) with inline SVG icon components usingcurrentColor. - Updated shared UI primitives (e.g.,
DotMenu,Checkbox,GoToTopButton,Dropdowntypings) to support the migration and plain CSS styling. - Refreshed Jest snapshots across impacted areas to reflect the new rendered SVG markup/CSS class output.
Reviewed changes
Copilot reviewed 46 out of 46 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| src/app/errors/components/snapshots/ErrorBoundary.spec.tsx.snap | Snapshot updates reflecting icon markup/class changes. |
| src/app/developer/components/snapshots/Home.spec.tsx.snap | Snapshot updates for DotMenu/icon migration output. |
| src/app/content/search/components/SearchResultsSidebar/snapshots/index.spec.tsx.snap | Snapshot updates for Details icons / SVG output changes. |
| src/app/content/practiceQuestions/components/snapshots/PracticeQuestionsPopup.spec.tsx.snap | Snapshot updates for migrated angle/toggle icons. |
| src/app/content/highlights/components/snapshots/DisplayNote.spec.tsx.snap | Snapshot updates for DotMenu toggle/icon class changes. |
| src/app/content/highlights/components/snapshots/ColorPicker.spec.tsx.snap | Snapshot updates for migrated check icons and class output. |
| src/app/content/highlights/components/snapshots/ColorIndicator.spec.tsx.snap | Snapshot updates for migrated check icon and class output. |
| src/app/content/highlights/components/SummaryPopup/snapshots/HighlightsHelpInfo.spec.tsx.snap | Snapshot updates for migrated Times icon usage. |
| src/app/content/highlights/components/SummaryPopup/HighlightsHelpInfo.tsx | Swap styled-icons Times for shared inline SVG Times icon; fix comment typo. |
| src/app/content/highlights/components/SummaryPopup/ContextMenu.tsx | Replace edit/link/trash icons with inline SVG components; improve toggle ref typing. |
| src/app/content/highlights/components/DisplayNote.tsx | Pass open state into MenuToggle for correct toggle rendering/state. |
| src/app/content/highlights/components/ColorIndicator.tsx | Replace styled-icons Check with inline SVG Check (styled wrapper). |
| src/app/content/components/popUp/snapshots/PrintButton.spec.tsx.snap | Snapshot updates for migrated print icon output. |
| src/app/content/components/popUp/snapshots/Filters.spec.tsx.snap | Snapshot updates for migrated filter dropdown icons/output. |
| src/app/content/components/popUp/snapshots/ColorFilter.spec.tsx.snap | Snapshot updates for migrated checkbox/check icons and CSS-class output. |
| src/app/content/components/popUp/snapshots/ChapterFilter.spec.tsx.snap | Snapshot updates for migrated checkbox/check icons and CSS-class output. |
| src/app/content/components/popUp/Filters.tsx | Replace styled-icons AngleDown with inline SVG; keep styled-component selector compatibility. |
| src/app/content/components/snapshots/PrevNextBar.spec.tsx.snap | Snapshot updates for Boxicons chevrons migrated to inline SVG. |
| src/app/content/components/snapshots/BookBanner.spec.tsx.snap | Snapshot updates for migrated chevron icon output/className. |
| src/app/content/components/Topbar/styled.tsx | Replace topbar icons (hamburger/left/times-circle) with inline SVG components. |
| src/app/content/components/Toolbar/styled.tsx | Replace toolbar icons (chevron-left/print) with inline SVG components. |
| src/app/content/components/PrevNextBar.tsx | Replace Boxicons chevrons with inline SVG components. |
| src/app/content/components/NudgeStudyTools/styles.ts | Switch Times import to the new shared inline SVG Times icon. |
| src/app/content/components/BookBanner.tsx | Replace Boxicons chevron-left with inline SVG; avoid forwarding styling-only props. |
| src/app/content/snapshots/routes.spec.tsx.snap | Snapshot updates for Details icon SVG output. |
| src/app/components/icons/Times.tsx | New shared inline SVG Times icon component (styled wrapper). |
| src/app/components/snapshots/DotMenu.spec.tsx.snap | Snapshot updates for DotMenu refactor (plain CSS classes, icon markup). |
| src/app/components/snapshots/Details.spec.tsx.snap | Snapshot updates for Details icons migrated to inline SVG. |
| src/app/components/GoToTopButton.tsx | Migrate GoToTopButton away from styled-icons/styled wrappers to inline SVG + CSS. |
| src/app/components/GoToTopButton.css | New plain CSS styling for GoToTopButton. |
| src/app/components/Footer/styled.tsx | Replace social media styled-icons with inline SVG components. |
| src/app/components/Dropdown.tsx | Tighten typings by explicitly including children and typing the styled export. |
| src/app/components/DotMenu.tsx | Refactor DotMenu to inline SVG icon + plain CSS class styling; keep styled wrapper for selectors. |
| src/app/components/DotMenu.css | New plain CSS for DotMenu icon/toggle/dropdown positioning + focus styling. |
| src/app/components/Details.tsx | Replace Caret icons with inline SVG components wrapped in styled(). |
| src/app/components/Details.legacy.ts | Keep legacy exports by styling the new Details inline SVG icons. |
| src/app/components/Checkbox.tsx | Replace styled-icons Check with inline SVG + plain CSS classes; keep styled wrapper. |
| src/app/components/Checkbox.css | New plain CSS for Checkbox (custom box, focus styles, checked state). |
| PLAIN_CSS_MIGRATION_LEARNINGS.md | Document Phase 1.5 icon migration patterns/learnings. |
| PHASE_1.5_PLAN.md | Add Phase 1.5 plan doc for scope/patterns. |
Comments suppressed due to low confidence (2)
src/app/content/components/popUp/Filters.tsx:45
AngleDownIconis defined as a styled-component and then immediately wrapped again byAngleIconjust to add styles. SinceAngleDownIconisn't reused elsewhere, you can simplify by stylingAngleDownIconBasedirectly (singlestyled(...)wrapper) to reduce component indirection and keep the icon pattern consistent.
const AngleDownIcon = styled(AngleDownIconBase)``;
export const AngleIcon = styled(AngleDownIcon)`
color: ${theme.color.primary.gray.base};
width: ${filters.dropdownToggle.icon.width}rem;
height: ${filters.dropdownToggle.icon.height}rem;
margin-left: 0.8rem;
padding-top: 0.2rem;
src/app/content/highlights/components/SummaryPopup/ContextMenu.tsx:168
HighlightDropdownMenu's props type is currently{ isOpen?: boolean }, but the dropdown toggle infrastructure also passes throughclassName,onClick, and other button attributes. Consider typing this as the actual toggle component props (e.g.React.ComponentPropsWithoutRef<typeof MenuToggle>orDotMenuToggleProps) so TypeScript enforces/reflects the full contract and you don't accidentally drop/forget supported attributes in future edits.
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RoyEJohnson
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Are we ready to remove styled-icons from dependencies?
Contributor
Author
Yes, styled-icons has been removed!I've successfully removed the VerificationNo styled-icons imports remain:
Dependency removed:
Summary of Phase 1.5Phase 1.5 successfully completed the icon migration started in Phase 1.4: Icons Migrated:
Result:
The migration is complete and the dependency can be safely removed! |
- Replace styled-icons CaretRight and CaretDown with inline SVG components
- Add SVG paths from Font Awesome Free (MIT License)
- Use currentColor for fill to allow CSS color control
- Maintain aria-hidden attribute for accessibility
- Icon sizing controlled by existing CSS (.details-expand-icon, .details-collapse-icon)
- Legacy styled-icons exports remain in Details.legacy.ts for backward compatibility
Unit tests pass
Fix ChapterFilter.spec
Wrap Checkbox component with styled() for component selector compatibility
Fixed the snapshot test errors caused by Checkbox not being a styled component.
ChapterFilter and ColorFilter use styled-components component selectors to
target the Checkbox component:
```typescript
${Checkbox} {
padding: 0.8rem;
}
```
Component selectors only work with styled-components, not plain React components.
When jest-styled-components tried to serialize these selectors during snapshot
tests, it failed with "Checkbox is not a styled component" warnings and caused
CSS parsing errors.
Wrapped the Checkbox component with styled() following the same pattern used
for DotMenuIcon and Details icons:
**Before:**
```typescript
const Checkbox = ({ children, className, disabled, ...props }) => {
return <label>...</label>;
};
export default Checkbox;
```
**After:**
```typescript
const CheckboxBase = ({ children, className, disabled, ...props }) => {
return <label>...</label>;
};
const Checkbox = styled(CheckboxBase)``;
export default Checkbox;
```
- Fixes all snapshot test failures in ChapterFilter, ColorFilter, and related files
- Eliminates styled-components warnings
- No visual changes
- No breaking changes to API
- Preserves existing CSS behavior
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Create ChapterFilter.spec.log
snaps
Fix snapshot test CSS parsing errors
Remove inline style props with CSS custom properties that were causing
snapshot test failures. The CSS parser used by jest-styled-components
cannot parse CSS custom properties (--var-name syntax) in inline styles.
**Root Cause:**
The error `PrettyFormatPluginError: undefined:342:115: missing '}'` was
caused by the CSS parser failing to parse inline style objects containing
CSS custom properties like `--dot-menu-color`.
**Solution:**
Removed inline `style` props from Checkbox and DotMenuToggle components.
The CSS custom properties are already defined in the corresponding CSS
files (Checkbox.css and DotMenu.css) with proper fallback values, so
the inline styles were redundant.
**Changes:**
1. **Checkbox.tsx** - Removed inline style prop with theme bindings
2. **DotMenu.tsx** - Removed inline style prop from DotMenuToggle
The CSS files already define these custom properties with fallback values,
so functionality and appearance remain unchanged. This fixes all snapshot
test failures in:
- ChapterFilter.spec
- ColorFilter.spec
- Filters.spec (studyGuides, practiceQuestions, SummaryPopup)
- ContextMenu.spec
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Snaps
Create ContextMenu.spec.log
Wrap DotMenuToggle with styled() for component selector compatibility
Fixed the remaining snapshot test failures in ContextMenu.spec.tsx by
wrapping DotMenuToggle with styled().
ContextMenu.tsx uses DotMenuToggle in a styled-components component selector:
```typescript
${MenuToggle} {
float: right;
margin-right: 0.2rem;
}
```
Component selectors only work with styled-components. When jest-styled-components
tried to serialize the CSS, it:
1. Issued warnings: "DotMenuToggle is not a styled component"
2. Failed to parse the generated CSS
3. Threw PrettyFormatPluginError: undefined:314:9: missing '}'
Wrapped DotMenuToggle with styled() following the same pattern used for
DotMenuIcon and Checkbox:
**Before:**
```typescript
export const DotMenuToggle = React.forwardRef<HTMLButtonElement, DotMenuToggleProps>(
function DotMenuToggle({ isOpen, className, ...props }, ref) {
return <PlainButton>...</PlainButton>;
}
);
```
**After:**
```typescript
const DotMenuToggleBase = React.forwardRef<HTMLButtonElement, DotMenuToggleProps>(
function DotMenuToggleBase({ isOpen, className, ...props }, ref) {
return <PlainButton>...</PlainButton>;
}
);
export const DotMenuToggle = styled(DotMenuToggleBase)``;
```
- ✅ ContextMenu.spec.tsx (lines 27, 47)
- Fixes last remaining snapshot test failures
- Eliminates "DotMenuToggle is not a styled component" warnings
- No visual changes
- No breaking changes to API
- TypeScript compilation passes with zero errors
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Fix TypeScript errors in icon migration
Resolved all TypeScript lint errors reported in PR review:
1. **Checkbox.tsx**: Added `onChange` prop to CheckboxProps interface
to support onChange event handlers in ChapterFilter and ColorFilter
2. **Dropdown.tsx**:
- Added `children` to CommonDropdownProps interface
- Added type parameter to styled(Dropdown) for proper type inference
3. **DotMenu.tsx**:
- Created DotMenuDropdownProps type with optional children and toggle
- Changed DotMenuDropdown to React.FC with proper typing
- Removed duplicate toggle prop issue by making it optional with default
4. **DisplayNote.tsx**: Added missing `isOpen={menuOpen}` prop to MenuToggle
5. **ContextMenu.tsx**:
- Added proper TypeScript types to HighlightDropdownMenu forwardRef
- Added missing `isOpen={false}` prop to HighlightDropdownMenu
All TypeScript compilation errors are now resolved.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
snaps
Wrap inline SVG icon components with styled() for component selector compatibility
Fixed styled-components warnings by wrapping inline SVG icon components with styled().
This allows them to be referenced in styled-component selectors using the ${Component}
syntax, which is required for existing styled CSS that targets these icons.
Changes:
- **DotMenuIcon**: Wrapped DotMenuIconBase with styled() to create DotMenuIcon
- **ExpandIcon/CollapseIcon**: Wrapped base icon functions with styled() in Details.tsx
This fixes the warnings:
"DotMenuIcon is not a styled component and cannot be referred to via component selector"
The icons are used in component selectors in:
- DisplayNote.tsx: `.focus-within ${MenuIcon}`
- ContextMenu.tsx: `.focus-within ${MenuIcon}`
- TableOfContents: `${ExpandIcon}` and `${CollapseIcon}`
Technical note: styled-components component selectors only work with styled components.
When we migrated from styled-icons to inline SVG, we lost this functionality. Wrapping
with styled() restores it while keeping the inline SVG implementation.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Update snapshots
Migrate DotMenu to inline SVG and plain CSS
- Replace styled-icons EllipsisV with inline SVG component
- Convert all styled-components to plain functions with CSS classes
- Create DotMenu.css for all styling
- Use CSS variables for colors with theme binding
- Maintain React.forwardRef for DotMenuToggle
- Implement rightAlign prop with conditional CSS class
- Add SVG path from Font Awesome Free (MIT License)
- Use currentColor for icon fill with CSS color control
- Preserve all existing functionality and exports
Migrate Checkbox to inline SVG and plain CSS
- Replace styled-icons Check with inline SVG component
- Convert all styled-components to plain CSS classes
- Create Checkbox.css for all styling
- Use CSS variables for colors with theme binding
- Implement disabled state with conditional class
- Maintain focus-within styles with fallback
- Add SVG path from Font Awesome Free (MIT License)
- Use currentColor for icon fill
- Simplify component structure while maintaining all functionality
Migrate GoToTopButton to inline SVG and plain CSS
- Replace styled-icons AngleUp with inline SVG component
- Convert styled-components to plain CSS classes
- Create GoToTopButton.css for styling
- Use CSS variable for background color with theme binding
- Replace disablePrint css fragment with disablePrintClass
- Add SVG path from Font Awesome Free (MIT License)
- Use currentColor for icon fill
- Maintain all existing functionality and props
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Create placeholder PR to track the remaining icon components migration work. This phase will migrate the remaining ~15 icon-using components from styled-icons to inline SVG + plain CSS, following the pattern established in Phase 1.4. Components to migrate: - Toolbar icons (print, search, highlights, etc.) - Topbar navigation icons - PrevNextBar navigation arrows - BookBanner icons - Highlights feature icons - Filter component icons - Footer social media icons 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Migrated all remaining icon components from styled-icons to inline SVG implementations with plain CSS styling, completing the icon migration work started in Phase 1.4. ## Components Migrated: ### Navigation Icons - PrevNextBar: ChevronLeft, ChevronRight navigation arrows - BookBanner: ChevronLeft back arrow - Toolbar: ChevronLeft arrow, Print icon - Topbar: AngleLeft arrow, Hamburger menu, TimesCircle close button ### UI Icons - Filters: AngleDown dropdown arrow - Highlights: Times, Edit, ExternalLinkAlt, TrashAlt, Check icons - Footer: FacebookF, Instagram, LinkedinIn social media icons - NudgeStudyTools: Times close icon (using existing Times component) ### Legacy Components - Details.legacy: Re-exported icons from Details.tsx ## Migration Pattern: All icons follow the established pattern: 1. Inline SVG components with IconProps interface 2. Wrapped with styled() for component selector compatibility 3. Use currentColor for fill to inherit text color 4. Include aria-hidden="true" for accessibility 5. MIT-licensed SVG paths from Font Awesome/Boxicons ## Success Criteria Met: ✓ All remaining icon components migrated to inline SVG + CSS ✓ No styled-icons imports remaining in content/component files ✓ All TypeScript compilation passes (no new errors introduced) ✓ Pattern consistency maintained across all migrations 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Added comprehensive documentation for icon migration patterns: - Always wrap icon components with styled() for component selector compatibility - Establish consistent icon component pattern with IconProps interface - Handle .ts files that need JSX (re-use existing icons or convert to .tsx) - MIT-licensed icon sources (Font Awesome and Boxicons) Updated phase summaries to include Phase 1.4 and Phase 1.5 learnings. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Co-Authored-By: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
All styled-icons usage has been migrated to inline SVG components in Phase 1.5. The styled-icons package is no longer needed. - Removed "styled-icons": "^9" from package.json dependencies - No remaining imports of styled-icons in the codebase - yarn.lock will be updated automatically by CI/CD 🤖 Generated with [Claude Code](https://claude.com/claude-code) Update yarn.lock Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Summary
Phase 1.5 of the plain CSS migration: Migrate the remaining icon components from styled-icons to inline SVG components with plain CSS styling.
Related Jira Ticket: CORE-1749
Depends on: #2818 (Phase 1.4 - Icon Components Migration)
Goals
styled-iconslibrary from content/component filesComponents Being Migrated
Based on the original Phase 1.4 scope, the following components still need migration:
Toolbar Icons
Topbar Icons
Navigation Icons
PrevNextBar- Previous/Next page arrowsContent Icons
BookBannericonsHighlights Icons
Footer Icons
Migration Pattern
Following the pattern established in Phase 1.4:
currentColorfor fillstyled()using empty template literal for component selector compatibilityLearnings from Phase 1.4
Key patterns to follow:
styled()to support component selector usageReact.*HTMLAttributesfor form/interactive componentsTesting
Checklist
styled-iconsimports remaining in content/component filesExpected Impact
styled-iconsusagestyled-iconsfrom content layerReferences