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refactor: simplify Rspack plugin and config types#7000

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chenjiahan merged 2 commits intomainfrom
rspack_types_0120
Jan 20, 2026
Merged

refactor: simplify Rspack plugin and config types#7000
chenjiahan merged 2 commits intomainfrom
rspack_types_0120

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Summary

  • Removed the custom BundlerPluginInstance type throughout the codebase and replaced all usages with Rspack.RspackPluginInstance
  • Simplified and clarified the SplitChunks and RspackRule types to use the upstream Rspack types directly

Checklist

  • Tests updated (or not required).
  • Documentation updated (or not required).

Copilot AI review requested due to automatic review settings January 20, 2026 07:54
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Summary of Changes

Hello @chenjiahan, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on refactoring and simplifying type definitions related to Rspack plugins and configuration. By aligning with Rspack's native types, the changes aim to improve type consistency, reduce maintenance overhead for custom types, and enhance clarity across the codebase.

Highlights

  • Type Simplification: The custom BundlerPluginInstance type has been entirely removed from the codebase, with all its usages replaced by the upstream Rspack.RspackPluginInstance type.
  • Configuration Type Alignment: The SplitChunks and RspackRule types have been simplified and clarified to directly utilize the corresponding types provided by Rspack, reducing custom type definitions.
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Code Review

This pull request is a solid refactoring that simplifies Rspack-related types by replacing custom wrappers like BundlerPluginInstance with upstream types from @rspack/core. This significantly improves code clarity and maintainability. The changes are consistently applied throughout the codebase, including type definitions, implementation files, and documentation. I have one minor suggestion to further improve the idiomaticity of a type definition. Overall, this is a great improvement.

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Pull request overview

This PR refactors the Rsbuild codebase to use upstream Rspack types directly instead of custom type wrappers, simplifying the type system and improving maintainability.

Changes:

  • Removed custom BundlerPluginInstance type and replaced all usages with Rspack.RspackPluginInstance
  • Simplified SplitChunks and RspackRule type definitions to use upstream Rspack types directly
  • Updated documentation to show full function signatures for better clarity

Reviewed changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file
File Description
packages/core/src/types/rspack.ts Removed custom BundlerPluginInstance interface and simplified RspackRule to use direct array indexing
packages/core/src/types/config.ts Updated plugin utility types to use Rspack.RspackPluginInstance and simplified SplitChunks type
packages/core/src/plugins/splitChunks.ts Updated type annotations to use Rspack.OptimizationSplitChunksOptions
packages/core/src/plugins/rsdoctor.ts Updated RsdoctorRspackPlugin type to use Rspack.RspackPluginInstance
packages/core/src/pluginManager.ts Updated plugin validation to use Rspack.RspackPluginInstance
packages/core/src/index.ts Removed BundlerPluginInstance from exports
scripts/test-helper/src/index.ts Updated return types to use Rspack.RspackPluginInstance and Rspack.RuleSetRules
website/docs/en/config/tools/rspack.mdx Updated documentation to show full function signatures with Rspack.RspackPluginInstance
website/docs/zh/config/tools/rspack.mdx Updated documentation to show full function signatures with Rspack.RspackPluginInstance

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### prependPlugins

- **Type:** `(plugins: BundlerPluginInstance | BundlerPluginInstance[]) => void`
- **Type:** `
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Remove the trailing backtick after "Type:". This should be "- Type:" without the backtick, consistent with the formatting of other type declarations in the file.

Suggested change
- **Type:** `
- **Type:**

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@chenjiahan chenjiahan merged commit 568a28a into main Jan 20, 2026
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@chenjiahan chenjiahan deleted the rspack_types_0120 branch January 20, 2026 08:03
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