Function getOptions

src/loaderUtils.ts:12–30

(
  loaderContext: webpack.LoaderContext<LoaderOptions>
)

let loaderUtils: LoaderUtilsModule | undefined;

export function getOptions(
  loaderContext: webpack.LoaderContext<LoaderOptions>
) {
  if (isWebpack5) { 
    return loaderContext.getOptions(); 
  }

  if (!loaderUtils) {
    try {
      loaderUtils = module.require('loader-utils') as LoaderUtilsModule;
    } catch {
      throw new Error(
        'ts-loader requires loader-utils to be installed when used with webpack 4.'
      );
    }
  }

  return loaderUtils.getOptions<LoaderOptions>(loaderContext as any) || ({} as LoaderOptions);
}

/**
 * webpack 4 and webpack 5 have different APIs for adding errors to modules. This function abstracts that away.