Add type for request too

src/lib/Chat.svelte

@@ -2,7 +2,7 @@
   //import { fetchEventSource } from "@microsoft/fetch-event-source";
 
   import { apiKeyStorage, chatsStorage, addMessage, clearMessages } from "./Storage.svelte";
-  import type { Response, Message } from "./Types.svelte";
+  import type { Request, Response, Message } from "./Types.svelte";
 
   import { afterUpdate, onMount } from "svelte";
   import SvelteMarkdown from "svelte-markdown";
@@ -64,14 +64,7 @@
 
     let response: Response;
     try {
-      response = await (
-        await fetch("https://api.openai.com/v1/chat/completions", {
-          method: "POST",
-          headers: {
-            Authorization: `Bearer ${$apiKeyStorage}`,
-            "Content-Type": "application/json",
-          },
-          body: JSON.stringify({
+      const request: Request = {
         model: "gpt-3.5-turbo",
         // Submit only the role and content of the messages, provide the previous messages as well for context
         messages: messages
@@ -87,7 +80,15 @@
         //stream: false,
         // stop: null
         //max_tokens: 4096,
-          }),
+      };
+      response = await (
+        await fetch("https://api.openai.com/v1/chat/completions", {
+          method: "POST",
+          headers: {
+            Authorization: `Bearer ${$apiKeyStorage}`,
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify(request),
         })
       ).json();
     } catch (e) {

src/lib/Types.svelte

@@ -17,6 +17,21 @@
     total_tokens: number;
   };
 
+  export type Request = {
+    model: "gpt-3.5-turbo" | "gpt-3.5-turbo-0301";
+    messages: Message[];
+    temperature?: number;
+    top_p?: number;
+    n?: number;
+    stream?: boolean;
+    stop?: string | null;
+    max_tokens?: number;
+    presence_penalty?: number;
+    frequency_penalty?: number;
+    logit_bias?: Record<string, any>;
+    user?: string;
+  };
+
   type ResponseOK = {
     status: "ok";
     id: string;