| const basePath = process.env.__NEXT_ROUTER_BASEPATH || '' | |
| const pathname = `${basePath}/__nextjs_source-map` | |
| export const findSourceMapURL = | |
| process.env.NODE_ENV === 'development' | |
| ? function findSourceMapURL(filename: string): string | null { | |
| if (filename === '') { | |
| return null | |
| } | |
| if ( | |
| filename.startsWith(document.location.origin) && | |
| filename.includes('/_next/static') | |
| ) { | |
| // This is a request for a client chunk. This can only happen when | |
| // using Turbopack. In this case, since we control how those source | |
| // maps are generated, we can safely assume that the sourceMappingURL | |
| // is relative to the filename, with an added `.map` extension. The | |
| // browser can just request this file, and it gets served through the | |
| // normal dev server, without the need to route this through | |
| // the `/__nextjs_source-map` dev middleware. | |
| return `${filename}.map` | |
| } | |
| const url = new URL(pathname, document.location.origin) | |
| url.searchParams.set('filename', filename) | |
| return url.href | |
| } | |
| : undefined | |