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Theme provider #1695

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jjagielka
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@jjagielka jjagielka commented Jul 26, 2025

📑 Description

Adds proper ThemeConfig type used by ThemeProvider.

To do:

  • review all the getTheme("xxx") as those not always where following the proper naming
  • remove all the export type xxxTheme = ClassValue as they are no longer needed

pnpm check shows few errors due to the above, but we can merge and correct after.

Status

  • Not Completed
  • Completed

✅ Checks

  • My pull request adheres to the code style of this project
  • My code requires changes to the documentation
  • I have updated the documentation as required
  • I have checked the page with https://validator.unl.edu/
  • All the tests have passed
  • My pull request is based on the latest commit (not the npm version).

ℹ Additional Information

Summary by CodeRabbit

  • New Features

    • Centralized and expanded theme support for a wide range of UI components and typography elements, making theme configuration more comprehensive and easier to manage.
  • Refactor

    • Improved and standardized type definitions for theme configuration, enhancing type safety and consistency across the application.
    • Updated theme object keys and structure for better clarity and alignment with component naming conventions.
  • Chores

    • Reorganized imports and streamlined type usage for improved maintainability.

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@jjagielka is attempting to deploy a commit to the Themesberg Team on Vercel.

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coderabbitai bot commented Jul 26, 2025

Walkthrough

A new centralized theme export module was added, and the ThemeConfig type was redefined to reflect the structure of the exported themes. The type is now declared in the theme index and re-exported for use elsewhere. Theme usage in a Svelte example was updated for naming consistency and type alignment.

Changes

File(s) Change Summary
src/lib/theme/themes.ts Added new module aggregating and re-exporting all UI and typography theme modules.
src/lib/theme/index.ts Updated to import all themes, define and export a new mapped ThemeConfig type based on the themes structure.
src/lib/types.ts Removed local ThemeConfig interface; now re-exports ThemeConfig from $lib/theme.
src/routes/examples/theme-provider/theme.svelte Refactored imports and usage for ThemeConfig; updated theme keys and structure for consistency and type safety.

Sequence Diagram(s)

sequenceDiagram
    participant App as Application
    participant ThemeIndex as theme/index.ts
    participant Themes as themes.ts

    App->>ThemeIndex: import { ThemeConfig }
    ThemeIndex->>Themes: import * as themes
    ThemeIndex-->>App: export type ThemeConfig (based on themes)
Loading

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~7 minutes

Poem

In the warren where themes align,
A rabbit hops through code so fine.
Types now mapped with gentle care,
All components dressed to wear.
Aggregated styles, neat and spry—
A carrot for each UI!
🥕✨

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Actionable comments posted: 1

🧹 Nitpick comments (1)
src/lib/theme/index.ts (1)

2-9: Sophisticated and well-designed type system for theme configuration.

This mapped type creates excellent type safety by:

  1. Dynamically generating types based on actual theme structure
  2. Conditionally handling themes with/without slots
  3. Making all properties optional for flexible theme overrides

The type logic typeof themes[K]["slots"] extends undefined ? ClassValue : Partial<{...}> elegantly handles both simple themes (just ClassValue) and complex themes (slot-based object structure).

Consider adding a type alias for the complex conditional type to improve readability:

type ThemeSlotConfig<T> = T["slots"] extends undefined 
  ? ClassValue 
  : Partial<{ [L in keyof T["slots"]]: ClassValue }>;

export type ThemeConfig = {
  [K in keyof typeof themes]?: ThemeSlotConfig<typeof themes[K]>;
};
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between e3bc8bd and b3c918c.

📒 Files selected for processing (4)
  • src/lib/theme/index.ts (1 hunks)
  • src/lib/theme/themes.ts (1 hunks)
  • src/lib/types.ts (1 hunks)
  • src/routes/examples/theme-provider/theme.svelte (2 hunks)
🧰 Additional context used
🧠 Learnings (1)
src/routes/examples/theme-provider/theme.svelte (5)

Learnt from: mrh1997
PR: #1442
File: src/lib/utils/Popper.svelte:144-145
Timestamp: 2024-11-22T08:37:27.996Z
Learning: In src/lib/utils/Popper.svelte, inconsistencies in event handling (e.g., using both mouseenter/mouseleave and pointerenter/pointerleave) may be intentional to minimize modifications and reduce the risk of new problems.

Learnt from: superstes
PR: themesberg/flowbite-svelte#0
File: :0-0
Timestamp: 2025-03-20T12:47:33.307Z
Learning: In the Flowbite Svelte library's composite form components like MultiInput, when implementing focus styles with focus-within, create a dedicated focusWithinClasses object with appropriate colors for each state (base, primary, green, red). Using just 'focus-within:ring-1' without color specification won't correctly apply color-specific styling when the input receives focus directly.

Learnt from: superstes
PR: themesberg/flowbite-svelte#0
File: :0-0
Timestamp: 2025-03-20T11:52:09.106Z
Learning: In the Flowbite Svelte library's form components like MultiInput, when handling focus states for validation, avoid hardcoding focus-within classes like 'focus-within:border-primary-500'. Instead, create a dynamic mapping object (e.g., focusWithinClasses) that changes the focus ring color based on the current color state, especially when inputInvalid=true.

Learnt from: superstes
PR: themesberg/flowbite-svelte#0
File: :0-0
Timestamp: 2025-03-20T11:11:53.953Z
Learning: In the Flowbite Svelte library's MultiInput component, the 'inputInvalid' property should be exported and passed to the Wrapper component to properly style the component's ring with red color when validation fails, similar to how the Input component handles validation states.

Learnt from: superstes
PR: themesberg/flowbite-svelte#0
File: :0-0
Timestamp: 2025-03-20T11:52:09.106Z
Learning: In the Flowbite Svelte library's form components, both the regular focus styling (controlled by ringClasses) and focus-within styling need to be dynamically adjusted based on validation state. For proper validation styling, create separate objects for focus-within classes (like focusWithinClasses) that use the same color as ringClasses when inputInvalid=true.

🔇 Additional comments (6)
src/lib/theme/themes.ts (1)

1-79: All theme exports verified—no missing modules

Shell verification confirms every export in src/lib/theme/themes.ts points to an existing theme.ts under src/lib (components, forms, typography). The commented-out exports (utils, video, addon) appear to be intentional placeholders. No further action required.

src/lib/types.ts (1)

1743-1747: Excellent architectural improvement - centralizing ThemeConfig type definition.

Replacing the local recursive interface with an import from $lib/theme creates better coupling between theme implementations and their types. The new approach provides stronger typing based on actual theme structure rather than a generic recursive interface.

src/routes/examples/theme-provider/theme.svelte (4)

2-6: Clean import organization aligns with new theme system.

The simplified imports focusing only on needed types (ThemeConfig) and reorganized component imports improve readability and align well with the centralized theme approach.


8-49: Good corrections to theme property naming for type consistency.

The fixes to property names demonstrate the value of the new strongly-typed system:

  • accordionitemaccordionItem (proper camelCase)
  • bottomNav.outerbottomNav.inner (correct property name)

These corrections show that the new ThemeConfig type is catching naming inconsistencies that would have been runtime issues before.


50-52: Improved semantic naming and explicit typing.

Explicitly typing theme2 as ThemeConfig and changing the key from generic 'p' to descriptive 'paragraph' improves code clarity and demonstrates proper usage of the new type system.


89-93: Minor text content adjustments noted.

The text changes from "voluptas natus!" to "volup!" appear to be intentional content adjustments, likely for layout or testing purposes.

Comment on lines +43 to +47
// export {utils} from "../utils";
// export {} from "../video";

// forms
// export {addon} from "../forms/input-addon";
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💡 Verification agent

🧩 Analysis chain

Verify intentional commenting of utility exports.

Several exports are commented out (utils, video, forms addon). Please confirm this is intentional and not an oversight.

Check if the commented modules exist and should be included:


🏁 Script executed:

#!/bin/bash
# Description: Check existence of commented-out theme modules
# Expected: Determine if these modules exist and why they're commented out

echo "Checking for utils theme module..."
fd -e ts "theme.ts" src/lib/utils

echo "Checking for video theme module..."
fd -e ts "theme.ts" src/lib/video

echo "Checking for input-addon theme module..."
fd -e ts "theme.ts" src/lib/forms/input-addon

Length of output: 385


Review and update commented theme exports

The utils theme module is present under src/lib/utils/theme.ts but its export in src/lib/theme/themes.ts is commented out. The video and forms/input-addon modules do not exist in the codebase.

• src/lib/theme/themes.ts (lines 43–47):

  • Uncomment the utils export if you intend to expose it:
    - // export {utils} from "../utils";
    + export {utils} from "../utils";
  • Remove or keep commented the video and forms/input-addon exports based on whether those modules will be added in the future.
📝 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
// export {utils} from "../utils";
// export {} from "../video";
// forms
// export {addon} from "../forms/input-addon";
export {utils} from "../utils";
// export {} from "../video";
// forms
// export {addon} from "../forms/input-addon";
🤖 Prompt for AI Agents
In src/lib/theme/themes.ts around lines 43 to 47, uncomment the export statement
for the utils theme module since it exists at src/lib/utils/theme.ts and should
be exposed. Leave the export statements for video and forms/input-addon
commented out or remove them entirely, as these modules do not currently exist
in the codebase.

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