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eslint-rspack-plugin 5.0 Goes Pure ESM

Read original on InfoQ中国
#pure-esm#javascript-tooling#module-migration

A pure-ESM migration may affect your Rspack linting setup and upgrade path.

30-Second TL;DR

What Changed

Version 5.0.0 is now available.

Why It Matters

Projects using eslint-rspack-plugin may need to review their module configuration before upgrading. The ESM-only direction can improve consistency in modern JavaScript toolchains, but may require changes in CommonJS-based setups.

What To Do Next

Check your eslint-rspack-plugin integration and module configuration in a branch before upgrading to version 5.0.0.

Who should care:Developers & AI Engineers

Key Points

  • •Version 5.0.0 is now available.
  • •The package is distributed exclusively as pure ESM.
  • •The release aligns eslint-rspack-plugin with the Rstack ecosystem.

Deep Insight

AI-generated analysis for this event — not the original article.

Enhanced Key Takeaways

  • •The transition to pure ESM (ECMAScript Modules) requires users to use 'import' instead of 'require', which may break CommonJS-based build configurations.
  • •This release is part of a broader initiative by the Rspack team to modernize the build toolchain and improve performance by removing legacy CJS compatibility layers.
  • •The plugin now requires Node.js version 18.12.0 or higher to support the native ESM environment.
  • •Version 5.0.0 includes updated peer dependency requirements, specifically mandating newer versions of Rspack and ESLint to ensure compatibility with the ESM architecture.
  • •The migration to pure ESM is intended to reduce bundle sizes and improve tree-shaking capabilities for tools consuming the plugin.

Competitor Analysis

Primary Target
eslint-rspack-plugin
Rspack
eslint-webpack-plugin
Webpack
eslint-plugin-import
General ESLint
ESM Support
eslint-rspack-plugin
Pure ESM (v5.0+)
eslint-webpack-plugin
Mixed/CJS
eslint-plugin-import
Mixed
Performance
eslint-rspack-plugin
High (Rust-based)
eslint-webpack-plugin
Moderate
eslint-plugin-import
N/A (Rule-based)
Ecosystem
eslint-rspack-plugin
Rstack
eslint-webpack-plugin
Webpack
eslint-plugin-import
Universal

Technical Deep Dive

  • The plugin utilizes the Rspack plugin API, which is designed to be compatible with Webpack's plugin system while leveraging Rspack's Rust-based core.
  • By moving to pure ESM, the package exports are now defined in the 'exports' field of package.json, strictly enforcing the use of 'import' statements.
  • The implementation avoids 'require.resolve' and other CJS-specific globals, relying on 'import.meta.url' for path resolution.
  • The build process for the plugin itself has been updated to use modern TypeScript configurations that output ESM-compliant code.

Future ImplicationsAI analysis grounded in cited sources

Increased adoption of ESM-only tooling in the JavaScript ecosystem.
As major build tools like Rspack move to pure ESM, downstream plugins are forced to follow suit, accelerating the deprecation of CommonJS.
Reduced maintenance overhead for the Rspack core team.
Eliminating support for legacy CJS allows the team to focus on modern module resolution and performance optimizations without maintaining dual-mode compatibility.

Timeline

2023-05
Initial release of eslint-rspack-plugin to support ESLint integration in Rspack.
2024-02
Rspack reaches version 0.5, stabilizing the plugin ecosystem.
2025-01
Rspack 1.0 release, signaling maturity and increased focus on ecosystem standards.
2026-07
Release of eslint-rspack-plugin 5.0.0, marking the transition to pure ESM.
Read original article on InfoQ中国

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