feat: conditionally delay responses (#24)

Co-authored-by: Artem Zakharchenko <[email protected]>

Author: ruisaraiva19

src/middleware.ts

@@ -45,7 +45,7 @@ export function createMiddleware(
           baseUrl: serverOrigin,
         },
         onMockedResponse(mockedResponse) {
-          const { status, statusText, headers, body } = mockedResponse
+          const { status, statusText, headers, body, delay } = mockedResponse
 
           res.statusCode = status
           res.statusMessage = statusText
@@ -54,6 +54,11 @@ export function createMiddleware(
             res.setHeader(name, value)
           })
 
+          if (delay) {
+            setTimeout(() => res.send(body), delay)
+            return
+          }
+
           res.send(body)
         },
         onPassthroughResponse() {