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- Updated the layout of the VideoDemo component to enhance responsiveness by adjusting CSS classes. - Modified the button to include an aspect ratio style for better scaling. - Improved the fallback image handling with new attributes for responsive loading. - Enhanced test coverage for the VideoDemo component, ensuring correct dimensions and styles are applied.
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WalkthroughReworks VideoDemo layout to a centered, max-width full-width wrapper; BackgroundVideo now fills its container (absolute inset-0 w-full h-full) and falls back to a next/image rendered in fill mode with Changes
Sequence Diagram(s)sequenceDiagram
autonumber
participant Page as Home Page
participant Demo as VideoDemo
participant Video as BackgroundVideo
participant Image as NextImageFallback
Page->>Demo: render()
Demo->>Video: mount (class: absolute inset-0 w-full h-full)
alt video loads successfully
Video-->>Demo: playing
else video load/error
Video-->>Demo: onError
Demo->>Image: render fallback (fill=true, sizes provided, object-contain)
Image-->>Demo: loaded
end
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~25 minutes
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- Removed unnecessary line breaks in the className assignment for the VideoDemo component in the test file. - Improved code readability by consolidating the className logic into a single line.
- Changed the padding class from "sm:px-0" to "sm:px-8" to enhance the layout on small screens. - This adjustment aims to improve the overall responsiveness of the VideoDemo component in tests.
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Actionable comments posted: 3
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📒 Files selected for processing (4)
apps/www/app/(home)/page.tsx(1 hunks)apps/www/components/page/video-demo.test.tsx(9 hunks)apps/www/components/page/video-demo.tsx(1 hunks)tooling/playwright-www/tests/responsive.test.ts(1 hunks)
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**/*.test.ts
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
**/*.test.ts: Place tests alongside source files and use the .test.ts suffix (e.g., create-env.test.ts, types.test.ts, errors.test.ts, utils.test.ts)
Use Vitest's describe/it structure in tests
Test both success and failure cases for environment validation and utilities
Mock process.env to cover different environment scenarios in tests
In tests, save and restore process.env in setup/teardown (beforeEach/afterEach) to avoid leakage between cases
Verify both runtime behavior and TypeScript types in tests
Files:
tooling/playwright-www/tests/responsive.test.ts
🧠 Learnings (1)
📚 Learning: 2025-09-12T06:23:45.463Z
Learnt from: CR
Repo: yamcodes/arkenv PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-09-12T06:23:45.463Z
Learning: Applies to **/*.test.ts : Use Vitest's describe/it structure in tests
Applied to files:
apps/www/components/page/video-demo.test.tsx
🧬 Code graph analysis (2)
tooling/playwright-www/tests/responsive.test.ts (1)
tooling/playwright-www/tests/homepage.test.ts (3)
test(4-205)page(185-200)page(168-183)
apps/www/components/page/video-demo.test.tsx (1)
apps/www/components/page/video-demo.tsx (1)
VideoDemo(11-59)
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🔇 Additional comments (12)
apps/www/components/page/video-demo.tsx (3)
29-32: Good use of aspect ratio for responsive scaling.The inline
aspectRatiostyle combined withw-fullensures the button maintains its proportions while scaling responsively. This directly addresses the mobile rendering issue from #273.
53-53: LGTM: Absolute positioning enables proper containment.The
absolute inset-0 w-full h-fullclasses combined withobject-containensure the video fills the button container while maintaining aspect ratio, which is exactly what's needed for responsive behavior.
25-25: Review comment is based on incorrect CSS padding assumptions.CSS padding on nested elements does not stack or add together. The parent container's
sm:px-2padding and the child VideoDemo'ssm:px-8padding are applied independently to each element's own content—they do not sum tosm:px-10. Each element receives its own padding value without affecting the other. No layout issue exists here.Likely an incorrect or invalid review comment.
apps/www/app/(home)/page.tsx (1)
43-43: Verify cumulative padding with VideoDemo component.The
sm:px-2padding here stacks with thesm:px-8padding in the VideoDemo component (line 25 of video-demo.tsx), resulting in a total ofsm:px-10horizontal padding. Confirm this cumulative padding provides the desired layout.tooling/playwright-www/tests/responsive.test.ts (3)
14-39: Good coverage of mobile viewports.Testing across multiple mobile viewports (iPhone SE, iPhone 12 Pro, Galaxy S21, Small Mobile) and verifying no horizontal scrolling directly validates the fix for issue #273.
93-128: Robust aspect ratio validation across viewport sizes.The 5% tolerance for aspect ratio differences when resizing from desktop to mobile is appropriate and will catch regressions where the video doesn't scale proportionally.
130-149: Maximum width constraint validated correctly.Testing that the video doesn't exceed 810px on large screens (with margin for sub-pixel rendering) directly validates the
max-w-[800px]constraint from the component.apps/www/components/page/video-demo.test.tsx (5)
18-46: Well-structured Image mock for fill mode testing.The mock correctly handles the
fillprop by omittingwidth/heightwhenfillis true and adding adata-fillattribute for test assertions. This allows the tests to verify the responsive image behavior.
48-85: BackgroundVideo mock matches component implementation.The default className
absolute inset-0 w-full h-full object-containcorrectly mirrors the actual component (line 53 of video-demo.tsx), ensuring tests validate the real rendering behavior.
300-322: Comprehensive error fallback testing.The test correctly verifies that when the video fails, the component switches to the fallback image with proper attributes (
data-fill,object-contain, and correct src). This validates the error handling path.
345-351: Aspect ratio enforcement validated correctly.The test correctly verifies that the button has the inline
aspectRatiostyle matching the WIDTH/HEIGHT constants, which is critical for maintaining proportions across different viewport sizes.As per coding guidelines
353-368: Responsive image loading validated.The test confirms that the fallback image includes the
sizesattribute for responsive loading and thedata-fillattribute indicating fill mode, which aligns with Next.js Image optimization best practices.
- Removed width and height attributes from the Image component in VideoDemo for better responsiveness. - Updated responsive test assertions to ensure the presence of the 'object-contain' class and to check for responsive width/height classes, enhancing the overall test coverage for the VideoDemo component.
- Updated the responsive design tests to focus on the video element instead of fallback images, ensuring visibility checks and class assertions are more accurate. - Enhanced aspect ratio tests by verifying dimensions on a container button rather than the media element, improving test reliability. - Adjusted tolerance for aspect ratio comparisons to account for browser rendering differences.
- Updated the responsive design tests to focus on the button's aspect-ratio style and visibility, improving the accuracy of responsiveness checks. - Added assertions for the button's class and style attributes to ensure proper responsive behavior. - Included optional checks for the video element's classes, ensuring that responsiveness is maintained even if the video is not present.
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Actionable comments posted: 0
🧹 Nitpick comments (4)
tooling/playwright-www/tests/responsive.test.ts (4)
69-70: Consider extracting the padding allowance as a named constant.The hardcoded value
32represents padding/margins but lacks context. Extracting it would improve readability.Apply this diff:
+ // Padding/margin allowance for responsive layout + const PADDING_ALLOWANCE = 32; + test.describe("Demo Video Responsiveness", () => { for (const viewport of mobileViewports) {Then update line 70:
- const maxAllowedWidth = viewport.width - 32; + const maxAllowedWidth = viewport.width - PADDING_ALLOWANCE;
102-102: Replace non-deterministic timeout with deterministic wait.Using
waitForTimeoutis discouraged in Playwright tests as it introduces flakiness. Consider waiting for a specific condition instead.Apply this diff:
if (videoCount > 0) { - await page.waitForTimeout(500); // Wait for video to load + await videoElement.waitFor({ state: "visible" }); const videoClass = await videoElement.getAttribute("class");
139-139: Replace arbitrary timeout with deterministic wait.Using
waitForTimeoutafter resize introduces flakiness. Wait for the layout to stabilize by checking element state instead.Apply this diff:
// Resize to mobile await page.setViewportSize({ width: 375, height: 667 }); - await page.waitForTimeout(500); // Wait for resize to settle + await containerButton.waitFor({ state: "visible" });
172-174: Update comment to match assertion value.The comment states "natural maximum width (800px)" but the assertion checks for 810px. This inconsistency could confuse future maintainers.
Apply this diff:
if (boundingBox) { - // Video should not exceed its natural maximum width (800px) - // Allow a small margin for sub-pixel rendering + // Video should not exceed its natural maximum width (800px + 10px margin for sub-pixel rendering) expect(boundingBox.width).toBeLessThanOrEqual(810);
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📒 Files selected for processing (1)
tooling/playwright-www/tests/responsive.test.ts(1 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
**/*.test.ts
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
**/*.test.ts: Place tests alongside source files and use the .test.ts suffix (e.g., create-env.test.ts, types.test.ts, errors.test.ts, utils.test.ts)
Use Vitest's describe/it structure in tests
Test both success and failure cases for environment validation and utilities
Mock process.env to cover different environment scenarios in tests
In tests, save and restore process.env in setup/teardown (beforeEach/afterEach) to avoid leakage between cases
Verify both runtime behavior and TypeScript types in tests
Files:
tooling/playwright-www/tests/responsive.test.ts
🧠 Learnings (1)
📚 Learning: 2025-09-12T06:23:45.463Z
Learnt from: CR
Repo: yamcodes/arkenv PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-09-12T06:23:45.463Z
Learning: Applies to **/*.test.ts : Verify both runtime behavior and TypeScript types in tests
Applied to files:
tooling/playwright-www/tests/responsive.test.ts
🧬 Code graph analysis (1)
tooling/playwright-www/tests/responsive.test.ts (1)
tooling/playwright-www/tests/homepage.test.ts (3)
test(4-205)page(185-200)page(168-183)
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yamcodes
deleted the
273-regression-demo-video-rendering-too-big-on-mobile
branch
1 participant
Closes #273
Summary by CodeRabbit
New Features
Tests