Tell me why?

src/components/molecules/EmailForm.svelte

@@ -36,6 +36,7 @@
     async function handleForm (event: SubmitEvent) {
         const data = new FormData(this)
         const email = data.get('email')
+        console.log('form:', data, email)
 
         if (email) {
             const req = await fetch(this.action, {

src/routes/api/newsletter/+server.ts

@@ -3,14 +3,16 @@ import type { RequestHandler } from './$types'
 import { error } from '@sveltejs/kit'
 
 export const POST = (async ({ request }) => {
-    const { email } = await request.json()
+    const data = await request.json()
+    const { email } = data
+    console.log('server:', data, email)
 
     // No email
     if (!email) {
         throw error(400, { message: 'NO_EMAIL' })
     }
     // Invalid email
-    else if (!email || !email.match(/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/)) {
+    if (!email.match(/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/)) {
         throw error(400, { message: 'INVALID_EMAIL' })
     }