On this page

LoaderDefinitionFunction(content, sourceMap?, additionalData?): string | void | Buffer<ArrayBufferLike> | Promise<string | Buffer<ArrayBufferLike>>
Attributes
content:string
sourceMap:string | RawSourceMap
additionalData:AdditionalData
Returns:string | void | Buffer<ArrayBufferLike> | Promise<string | Buffer<ArrayBufferLike>>

Context: NormalModuleLoaderContext<OptionsType> & LoaderRunnerLoaderContext<OptionsType> & LoaderPluginLoaderContext & HotModuleReplacementPluginLoaderContext & ContextAdditions