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fix(types): use namespace imports for Node.js built-in modules#12232

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chenjiahan merged 2 commits intomainfrom
fix-ts-types
Nov 18, 2025
Merged

fix(types): use namespace imports for Node.js built-in modules#12232
chenjiahan merged 2 commits intomainfrom
fix-ts-types

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@SyMind SyMind commented Nov 18, 2025 •
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Summary

When users have esModuleInterop: false in their TypeScript configuration, importing Node.js built-in modules using default import syntax causes type errors:

Module '"node:http"' has no default export

This happens because Node.js built-in modules use CommonJS format and don't have default exports.

Solution

Changed from default imports to namespace imports for Node.js built-in modules:

// Before (fails with esModuleInterop: false)
import type http from "node:http";

// After (compatible with all TypeScript configurations)
import type * as http from "node:http";

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Checklist

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

Copilot AI review requested due to automatic review settings November 18, 2025 08:15
@SyMind SyMind requested a review from hardfist as a code owner November 18, 2025 08:15
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chenjiahan
chenjiahan previously approved these changes Nov 18, 2025
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LGTM

@github-actions github-actions bot added the release: bug fix release: bug related release(mr only) label Nov 18, 2025
@chenjiahan chenjiahan changed the title fix(types): use namespace imports for Node.js built-in modules to imp… fix(types): use namespace imports for Node.js built-in modules Nov 18, 2025
@github-actions github-actions bot added the team The issue/pr is created by the member of Rspack. label Nov 18, 2025
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github-actions bot commented Nov 18, 2025 •
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📝 Ecosystem CI detail: Open

suite result
examples ✅ success

Copilot AI reviewed Nov 18, 2025
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Pull Request Overview

This PR fixes TypeScript compatibility issues when esModuleInterop: false is configured by changing Node.js built-in module imports from default imports to namespace imports and adding the node: prefix.

  • Changed from default import syntax (import type X from "Y") to namespace import syntax (import type * as X from "node:Y") for Node.js built-in modules
  • Added node: prefix to all affected imports for consistency with modern Node.js best practices
  • Ensures type compatibility across different TypeScript configurations

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@chenjiahan chenjiahan enabled auto-merge (squash) November 18, 2025 08:37
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github-actions bot commented Nov 18, 2025

📦 Binary Size-limit

Comparing 9892d67 to fix: swc-loader should not respect .swcrc (#12222) by CPunisher

🙈 Size remains the same at 47.48MB

@chenjiahan chenjiahan disabled auto-merge November 18, 2025 09:13
@chenjiahan chenjiahan merged commit 1a83ce4 into main Nov 18, 2025
67 of 70 checks passed
@chenjiahan chenjiahan deleted the fix-ts-types branch November 18, 2025 09:13
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codspeed-hq bot commented Nov 18, 2025

CodSpeed Performance Report

Merging #12232 will not alter performance

Comparing fix-ts-types (9892d67) with main (3875176)1

Summary

✅ 17 untouched

Footnotes

  1. No successful run was found on main (b531d85) during the generation of this report, so 3875176 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

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@chenjiahan chenjiahan chenjiahan approved these changes

@hardfist hardfist Awaiting requested review from hardfist hardfist is a code owner

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