Agent-Skills.md

Agent Skills: Rsbuild Best Practices

Rsbuild best practices for config, CLI workflow, type checking, bundle optimization, assets, and debugging. Use when writing, reviewing, or troubleshooting Rsbuild projects.

UncategorizedID: rstackjs/agent-skills/rsbuild-best-practices

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rstackjs/agent-skills
rstackjsLicense: MIT
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pnpm dlx add-skill https://github.com/rstackjs/agent-skills/tree/HEAD/skills/rsbuild-best-practices

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skills/rsbuild-best-practices/SKILL.md

Skill Metadata

Name
rsbuild-best-practices
Description
Rsbuild best practices for config, CLI workflow, type checking, bundle optimization, assets, and debugging. Use when writing, reviewing, or troubleshooting Rsbuild projects.

Rsbuild Best Practices

Apply these rules when writing or reviewing Rsbuild projects.

Configuration

  • Use rsbuild.config.ts and defineConfig
  • Use tools.rspack or tools.bundlerChain only when no first-class Rsbuild option exists
  • Define explicit source.entry values for multi-page applications
  • In TypeScript projects, prefer tsconfig.json path aliases first

CLI

  • Use rsbuild dev for local development
  • Use rsbuild build for production build
  • Use rsbuild preview only for local production preview
  • Use rsbuild inspect to inspect final Rsbuild/Rspack configs

Type checking

  • Use @rsbuild/plugin-type-check for integrated dev/build type checks
  • Or run tsc --noEmit/vue-tsc --noEmit as an explicit script step

Bundle size optimization

  • Prefer dynamic import() for non-critical code paths
  • Prefer lightweight libraries where possible
  • Keep browserslist aligned with real compatibility requirements

Asset management

  • Import source-managed assets from project source directories, not from public
  • Reference public files by absolute URL path

Security

  • Do not publish .map files to public servers/CDNs when production source maps are enabled

Debugging

  • Run with DEBUG=rsbuild when diagnosing config resolution or plugin behavior
  • Read generated files in dist/.rsbuild to confirm final config, not assumed config

Profiling

  • Use Node CPU profiling (--cpu-prof) when JavaScript-side overhead is suspected
  • Use RSPACK_PROFILE=OVERVIEW and analyze trace output for compiler-phase bottlenecks

Documentation

  • For the latest (v2) docs, read http://rsbuild.rs/llms.txt
  • For Rsbuild v1 docs, read http://v1.rsbuild.rs/llms.txt