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Light-mode-and-dark-mode-error-resolved#13

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Light-mode-and-dark-mode-error-resolved#13
prats-13 wants to merge 2 commits intoStabilityNexus:mainfrom
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@prats-13 prats-13 commented Dec 13, 2025

Resolved the light and dark mode issue

Summary by CodeRabbit

  • Bug Fixes

    • Enhanced theme toggle stability by ensuring the component is fully initialized before rendering interactive controls, preventing potential early rendering issues that could affect theme switching.
  • Chores

    • Updated Next.js dependency from version 15.5.2 to a flexible caret range (^15.5.9), enabling access to compatible patch and minor version updates.

✏️ Tip: You can customize this high-level summary in your review settings.

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coderabbitai bot commented Dec 13, 2025

Walkthrough

The PR enhances the theme toggle component by introducing an isReady guard that ensures both the mounted state and resolved theme are available before rendering the interactive UI. Additionally, it updates the Next.js dependency to a flexible caret range for potential patch/minor version upgrades.

Changes

Cohort / File(s) Change Summary
Theme Toggle Rendering Guard
components/toggle-theme.tsx
Introduced isReady guard combining mounted and resolvedTheme checks; replaced early return condition from !mounted to !isReady. Added clarifying comments on resolvedTheme usage in toggleTheme and rendering readiness condition.
Dependency Update
package.json
Updated Next.js dependency from exact version "15.5.2" to flexible caret range "^15.5.9".

Estimated Code Review Effort

🎯 2 (Simple) | ⏱️ ~12 minutes

  • Theme toggle guard logic: Verify that checking both mounted and resolvedTheme prevents hydration mismatches and correctly defers rendering until the theme is resolved.
  • Dependency compatibility: Confirm that the Next.js caret range update (15.5.9) does not introduce breaking changes or unexpected behavior shifts.

Possibly Related PRs

Suggested Reviewers

  • Zahnentferner

Poem

🐰 A guard of readiness hops into place,
Both mounted and theme now run the race,
No flickers, no glitches—the UI stays bright,
While Next.js bumps up, reaching new height!

Pre-merge checks and finishing touches

❌ Failed checks (1 warning, 1 inconclusive)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
Title check ❓ Inconclusive The title 'Light-mode-and-dark-mode-error-resolved' is partially related to the changeset. While it mentions light and dark mode (which is the context), the actual changes involve adding an isReady guard and updating Next.js dependency, not resolving a light/dark mode error per se. Clarify the title to better reflect the actual implementation changes: consider 'Add isReady guard for theme initialization' or similar to accurately represent the technical changes made.
✅ Passed checks (1 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
✨ Finishing touches
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🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment

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Actionable comments posted: 1

🧹 Nitpick comments (1)
components/toggle-theme.tsx (1)

36-56: Consider a theme-aware or neutral placeholder.

The placeholder always displays a light-mode appearance (sun visible, light background) regardless of the user's actual theme preference. Users with dark mode may experience a brief visual flash when the component switches to the resolved theme.

While not critical, you could improve the UX by:

  1. Using a neutral gray appearance for both icons during loading, or
  2. Detecting the system color scheme preference via window.matchMedia('(prefers-color-scheme: dark)') to show an appropriate initial state

Example for option 2:

  if (!isReady) {
+   const prefersDark = typeof window !== 'undefined' && window.matchMedia('(prefers-color-scheme: dark)').matches
+   const placeholderTheme = prefersDark ? 'dark' : 'light'
+
    return (
      <div
        className="flex items-center space-x-4"
        aria-label="Toggle theme"
        role="button"
      >
-       <div className="flex items-center w-20 h-10 rounded-full bg-gray-300 relative p-1 cursor-pointer transition-colors">
-         <div className="w-8 h-8 rounded-full shadow-md bg-white"></div>
+       <div className={`flex items-center w-20 h-10 rounded-full ${placeholderTheme === 'light' ? 'bg-gray-300' : 'bg-gray-600'} relative p-1 cursor-pointer transition-colors`}>
+         <div className={`w-8 h-8 rounded-full shadow-md transform transition-transform ${
+           placeholderTheme === 'light' ? 'translate-x-0 bg-white' : 'translate-x-10 bg-black'
+         }`}></div>
          <Sun
-           className="absolute left-2 top-1/2 transform -translate-y-1/2 opacity-100"
+           className={`absolute left-2 top-1/2 transform -translate-y-1/2 ${placeholderTheme === 'light' ? 'opacity-100' : 'opacity-0'}`}
            size={24}
            color="orange"
          />
          <Moon
-           className="absolute right-2 top-1/2 transform -translate-y-1/2 opacity-0"
+           className={`absolute right-2 top-1/2 transform -translate-y-1/2 ${placeholderTheme === 'light' ? 'opacity-0' : 'opacity-100'}`}
            size={24} 
            color="yellow"
          />
        </div>
      </div>
    )
  }
📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 72f97c5 and 71cd618.

⛔ Files ignored due to path filters (1)
  • package-lock.json is excluded by !**/package-lock.json
📒 Files selected for processing (2)
  • components/toggle-theme.tsx (1 hunks)
  • package.json (1 hunks)
🔇 Additional comments (2)
components/toggle-theme.tsx (2)

24-28: LGTM! Clear logic with helpful documentation.

The comment clarifies the use of resolvedTheme to avoid the 'system' value, and the toggle logic correctly switches between 'light' and 'dark' themes.


31-33: Excellent improvement! The isReady guard prevents premature rendering.

Waiting for both mounted and resolvedTheme ensures the component doesn't render the interactive UI before the theme is fully resolved, eliminating potential flash-of-incorrect-theme issues.

"clsx": "^2.1.1",
"lucide-react": "^0.542.0",
"next": "15.5.2",
"next": "^15.5.9",
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⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:

cat -n package.json | sed -n '15,35p'

Repository: StabilityNexus/hodlCoin-Website

Length of output: 757


🏁 Script executed:

npm view next@15.5.9 version 2>/dev/null || echo "Version not found"
npm view next@latest version 2>/dev/null
npm view eslint-config-next@15.5.9 version 2>/dev/null || echo "eslint-config-next 15.5.9 not available"

Repository: StabilityNexus/hodlCoin-Website

Length of output: 96


Update eslint-config-next to match the next version.

The next dependency is at ^15.5.9, but eslint-config-next is pinned at 15.5.2. This patch-level mismatch can cause ESLint configuration inconsistencies. Both versions 15.5.9 exist on npm.

Update eslint-config-next to 15.5.9:

-    "eslint-config-next": "15.5.2",
+    "eslint-config-next": "15.5.9",
📝 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
"next": "^15.5.9",
"eslint-config-next": "15.5.9",
🤖 Prompt for AI Agents
In package.json around line 17, eslint-config-next is pinned to 15.5.2 while
next is ^15.5.9; update the eslint-config-next dependency to 15.5.9 to match the
next version to avoid ESLint config mismatches — edit package.json to change the
eslint-config-next version to "15.5.9" (or to ^15.5.9 if caret is desired), then
run npm/yarn install and verify linting passes.

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2 participants