Update stuff so we can pass build hopefully

packages/backend/convex/custom/auth/providers/usesend.ts

@@ -1,7 +1,39 @@
 import type { EmailConfig, EmailUserConfig } from '@auth/core/providers/email';
 import { generateRandomString, RandomReader } from '@oslojs/crypto/random';
 import { alphabet } from 'oslo/crypto';
-import { UseSend } from 'usesend-js';
+
+type UseSendEmailPayload = {
+  from: string;
+  to: string[];
+  subject: string;
+  text: string;
+  html: string;
+};
+
+const sendUseSendEmail = async (
+  apiKey: string,
+  useSendUrl: string,
+  payload: UseSendEmailPayload,
+) => {
+  const response = await fetch(`${useSendUrl}/api/v1/emails`, {
+    method: 'POST',
+    headers: {
+      Authorization: `Bearer ${apiKey}`,
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify(payload),
+  });
+
+  if (!response.ok) {
+    let errorBody: unknown;
+    try {
+      errorBody = await response.json();
+    } catch {
+      errorBody = response.statusText;
+    }
+    throw new Error(`UseSend error: ${JSON.stringify(errorBody)}`);
+  }
+};
 
 export default function UseSendProvider(config: EmailUserConfig): EmailConfig {
   return {
@@ -32,13 +64,11 @@ export default function UseSendProvider(config: EmailUserConfig): EmailConfig {
         throw new Error('USESEND_API_KEY and USESEND_URL must be set.');
       }
 
-      const useSend = new UseSend(apiKey, useSendUrl);
-
       // For password reset, we want to send the code, not the magic link
       const isPasswordReset =
         url.includes('reset') || provider.id.includes('reset');
 
-      const result = await useSend.emails.send({
+      await sendUseSendEmail(apiKey, useSendUrl, {
         from: provider.from ?? 'noreply@example.com',
         to: [to],
         subject: isPasswordReset
@@ -70,10 +100,6 @@ export default function UseSendProvider(config: EmailUserConfig): EmailConfig {
           </div>
         `,
       });
-
-      if (result.error) {
-        throw new Error('UseSend error: ' + JSON.stringify(result.error));
-      }
     },
 
     options: config,