fix: Support empty string VERCEL_URL (#9846)

klausbadelt · web-flow · commit ec50cf042fbd · 2024-01-29T22:58:43.000+01:00
* allow empty VERCEL_URL * fixes Vercel development env crashes startup #4363 * simplify, support blank string URL
diff --git a/packages/next-auth/src/lib/client.ts b/packages/next-auth/src/lib/client.ts
@@ -218,7 +218,7 @@ export function parseUrl(url?: string): {
     url = `https://${url}`
   }
 
-  const _url = new URL(url ?? defaultUrl)
+  const _url = new URL(url || defaultUrl)
   const path = (_url.pathname === "/" ? defaultUrl.pathname : _url.pathname)
     // Remove trailing slash
     .replace(/\/$/, "")

Original file line number	Diff line number	Diff line change
`@@ -218,7 +218,7 @@ export function parseUrl(url?: string): {`
`218`	`218`	url = `https://${url}`
`219`	`219`	`}`
`220`	`220`
`221`		`- const _url = new URL(url ?? defaultUrl)`
	`221`	`+ const _url = new URL(url \|\| defaultUrl)`
`222`	`222`	`const path = (_url.pathname === "/" ? defaultUrl.pathname : _url.pathname)`
`223`	`223`	`// Remove trailing slash`
`224`	`224`	`.replace(/\/$/, "")`