performance.profile#

• Type: boolean
• Default: false

Whether capture timing information for each module, same as the profile config of Rspack.

After enabled:

• Rsbuild will auto-generate dist/stats.json file through bundle analyzer.
• Rspack will include the build time information when generating stats.json or other statistics files.

Example#

export default {
  performance: {
    profile: true,
  },
};

When enabled, Rspack generates a JSON file with some statistics about the module that includes information about timing information for each module.

Guide#

Please refer to the Build Profiling section for more methods to analyze build performance.