🔧 fix: adjusts derive code snippet (#261)

AvantaR · web-flow · commit 5b69f55b4d1e · 2024-02-08T13:48:03.000+01:00
The previous code won't compile because auth can be undefined, and would try to fire a `startsWith` on a non-object value.
diff --git a/docs/essential/context.md b/docs/essential/context.md
@@ -129,7 +129,7 @@ new Elysia()
         const auth = headers['Authorization']
 
         return {
-            bearer: auth.startsWith('Bearer ') ? auth.slice(7) : null
+            bearer: auth?.startsWith('Bearer ') ? auth.slice(7) : null
         }
     })
     .get('/', ({ bearer }) => bearer)

Original file line number	Diff line number	Diff line change
`@@ -129,7 +129,7 @@ new Elysia()`
`129`	`129`	`const auth = headers['Authorization']`
`130`	`130`
`131`	`131`	`return {`
`132`		`- bearer: auth.startsWith('Bearer ') ? auth.slice(7) : null`
	`132`	`+ bearer: auth?.startsWith('Bearer ') ? auth.slice(7) : null`
`133`	`133`	`}`
`134`	`134`	`})`
`135`	`135`	`.get('/', ({ bearer }) => bearer)`