feat(nx): support rsbuild in Playwright inference

[beaussan]

Summary

• add rsbuild as a supported Playwright inference toolchain in the Nx Playwright plugin
• choose the e2e build command per toolchain (vite or rsbuild) when generating inferred build targets
• keep existing Vite behavior unchanged while enabling rsbuild-mode project inference

How to use rsbuild with Playwright inference

Add playwrightModes metadata to your package package.json and set toolchain to rsbuild:

{
  "nx": {
    "metadata": {
      "playwrightModes": [
        { "toolchain": "rsbuild", "mode": "spa" },
        { "toolchain": "rsbuild", "mode": "ssr", "shards": 3 }
      ]
    }
  }
}

When inferred targets are generated for an rsbuild mode, the build step uses:

• rsbuild build && tsc --noEmit

Supported modes remain:

• ssr
• spa
• prerender
• preview

Summary by CodeRabbit

• Chores
  • Extended the Playwright testing plugin to support rsbuild as a build toolchain alongside vite. The plugin now automatically selects and executes the appropriate build command based on the configured toolchain, enabling projects to run end-to-end tests with their preferred build system without manual configuration.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: ccff3fbb-b14b-4395-8606-4ed08064984a

📥 Commits

Reviewing files that changed from the base of the PR and between bd97d09 and bee7d25.

📒 Files selected for processing (1)

• scripts/nx/playwright-plugin.ts

---

📝 Walkthrough

Walkthrough

The Playwright plugin's build system was extended to support multiple toolchains. A PLAYWRIGHT_BUILD_COMMANDS mapping was introduced to provide toolchain-specific build commands (vite build && tsc --noEmit for Vite; rsbuild build && tsc --noEmit for Rsbuild), and the target generation logic was updated to reference this mapping instead of using a hardcoded command.

Changes

Cohort / File(s)	Summary
Playwright Plugin Toolchain Support scripts/nx/playwright-plugin.ts	Added PLAYWRIGHT_BUILD_COMMANDS mapping to support both vite and rsbuild toolchains. The target generation now selects build commands based on validated toolchain metadata instead of using a fixed vite command string.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 Hops of joy for toolchains new,
Rsbuild joins the vite crew,
Mapping build commands with care,
Flexibility blooming everywhere! 🚀

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: adding rsbuild support to the Playwright plugin in Nx, which matches the primary objective of the changeset.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

---

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[nx-cloud]

View your CI Pipeline Execution ↗ for commit bee7d25

Command	Status	Duration	Result
nx affected --targets=test:eslint,test:unit,tes...	✅ Succeeded	<1s	View ↗
nx run-many --target=build --exclude=examples/*...	✅ Succeeded	1s	View ↗

---

☁️ Nx Cloud last updated this comment at 2026-04-18 20:58:24 UTC

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commit: bee7d25