Function transformSourceMap

packages/next/src/utils.ts:4577–4591

* Makes the sources more human-readable in the source map * by removing webpack-specific prefixes

(
  sourcemap: RawSourceMap | null
)

 * by removing webpack-specific prefixes
 */
function transformSourceMap(
  sourcemap: RawSourceMap | null
): RawSourceMap | undefined {
  if (!sourcemap) return;
  const sources = sourcemap.sources
    ?.map(source => {
      return source.replace(/^webpack:\/\/?_N_E\/(?:\.\/)?/, '');
    })
    // Hide the Next.js entrypoint
    .map(source => {
      return source.startsWith('?') ? '[native code]' : source;
    });

  return { ...sourcemap, sources };
}

interface LambdaGroupTypeInterface {
  isApiLambda: boolean;