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@msynk msynk commented Feb 23, 2025

closes #10026

Summary by CodeRabbit

  • Refactor
    • Enhanced theme management to better align with system preferences and user settings.
    • Introduced improved handling for custom dark and light modes.
    • Streamlined internal logic for more consistent and reliable theme switching and persistence.

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Walkthrough

This change refactors theme management in the BitTheme class. Private static variables are now used with an underscore prefix for encapsulation. The variables currentTheme and onThemeChange have been renamed to _currentTheme and _onThemeChange, respectively. Additionally, new variables _darkTheme and _lightTheme have been introduced to handle dark and light theme options. The initialization and theme manipulation methods have been modified to reference these updated variables without altering the overall control flow.

Changes

File Change Summary
src/BlazorUI/Bit.BlazorUI/Utils/Theme/bit-theme.ts Renamed currentTheme and onThemeChange to _currentTheme and _onThemeChange; introduced _darkTheme and _lightTheme for dark/light theme handling; updated initialization and theme methods accordingly

Sequence Diagram(s)

sequenceDiagram
    participant App as Application
    participant Theme as BitTheme

    App->>Theme: init(options)
    Note right of Theme: Determine system, stored, or default theme
    Theme-->>Theme: Set _currentTheme = persisted/default (_lightTheme)
    Theme-->>Theme: Configure _onThemeChange callback
    App->>Theme: get()/set()/toggleDarkLight()
    Theme-->>App: Updated theme
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Hoping lightly down the theme's bright road.
Dark or light, my variables now hide,
Safe and sound, tucked deep inside.
With every hop, my code sings in joyful mode!


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Actionable comments posted: 0

🧹 Nitpick comments (2)
src/BlazorUI/Bit.BlazorUI/Utils/Theme/bit-theme.ts (2)

13-35: LGTM! Consider documenting the initialization options.

The initialization logic is well-structured and the new options for customizing dark and light themes align with the PR objectives. However, the options parameter could benefit from better type safety and documentation.

Consider defining an interface for the options parameter:

interface BitThemeOptions {
  /** Use system color scheme preference */
  system?: boolean;
  /** Default theme to use if system preference is not used */
  default?: string;
  /** Persist theme selection in localStorage */
  persist?: boolean;
  /** Custom dark theme value (default: 'dark') */
  darkTheme?: string;
  /** Custom light theme value (default: 'light') */
  lightTheme?: string;
  /** Callback when theme changes */
  onChange?: onThemeChangeType;
}

Then update the method signature:

-    public static init(options: any) {
+    public static init(options: BitThemeOptions) {

46-50: Consider separating the side effect from the getter.

The method now has a side effect of updating _currentTheme before returning it. This could lead to unexpected behavior if the caller assumes the getter is pure.

Consider separating the concerns:

public static get() {
    return BitTheme._currentTheme;
}

private static syncWithDOM() {
    BitTheme._currentTheme = document.documentElement.getAttribute(BitTheme.THEME_ATTRIBUTE) || '';
}
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📥 Commits

Reviewing files that changed from the base of the PR and between 228b528 and dd86ef4.

📒 Files selected for processing (1)
  • src/BlazorUI/Bit.BlazorUI/Utils/Theme/bit-theme.ts (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (1)
  • GitHub Check: build and test
🔇 Additional comments (5)
src/BlazorUI/Bit.BlazorUI/Utils/Theme/bit-theme.ts (5)

7-11: LGTM! Improved encapsulation with private static variables.

The use of private static variables with underscore prefix follows TypeScript conventions and improves encapsulation. The initialization of _currentTheme now references _lightTheme instead of a string literal, which reduces duplication and makes the code more maintainable.


37-39: LGTM! Consistent with the refactoring.

The update to use the new private static variable is correct.


41-44: LGTM! Consistent with the refactoring.

The updates to use the new private static variables are correct and maintain the existing system theme detection logic.


52-60: LGTM! Consistent with the refactoring.

The updates to use the new private static variables are correct and maintain the existing functionality.


62-68: LGTM! Consistent with the refactoring.

The updates to use the new private static variables are correct and the toggle logic now properly uses the custom theme values.

@msynk msynk merged commit 56ce974 into bitfoundation:develop Feb 24, 2025
3 checks passed
@msynk msynk deleted the 10026-blazorui-theme-custom-theme-names branch February 24, 2025 12:35
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Successfully merging this pull request may close these issues.

The theme infrastructure of the BlazorUI needs some improvements

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