externalBundleRoot?

string

(Optional) Root directory that stores project-owned external bundles referenced by bundlePath.

pluginExternalBundle uses this directory for both development serving and build-time asset emission. Prefer setting this explicitly when external bundles are built into a separate output folder, such as dist-external-bundle.

externals?

Record<string, PluginExternalConfig>

(Optional) Additional explicit externals to load.

externalsPresetDefinitions?

ExternalsPresetDefinitions

(Optional) Definitions for custom externals presets enabled by externalsPresets.

Use this to add business-specific presets such as lynxUi, or to extend a built-in preset through extends.

externalsPresets?

ExternalsPresets

(Optional) Presets for external libraries.

Same as https://rspack.rs/config/externals\#externalspresets but for Lynx.