perf: 流响应

src/api/chat.ts

@@ -36,28 +36,10 @@ export const postGPT3SendPrompt = ({
   });
 
 /**
- * 预发 prompt 进行存储
+ * 存储一轮对话
  */
-export const postChatGptPrompt = ({
-  prompt,
-  windowId,
-  chatId
-}: {
-  prompt: ChatSiteItemType;
-  windowId: string;
-  chatId: string;
-}) =>
-  POST<string>(`/chat/preChat`, {
-    windowId,
-    prompt: {
-      obj: prompt.obj,
-      value: prompt.value
-    },
-    chatId
-  });
-/* 获取 Chat 的 Event 对象，进行持续通信 */
-export const getChatGPTSendEvent = (chatId: string, windowId: string) =>
-  new EventSource(`/api/chat/chatGpt?chatId=${chatId}&windowId=${windowId}&date=${Date.now()}`);
+export const postSaveChat = (data: { windowId: string; prompts: ChatItemType[] }) =>
+  POST('/chat/saveChat', data);
 
 /**
  * 删除最后一句

src/api/fetch.ts

@@ -0,0 +1,47 @@
+interface StreamFetchProps {
+  url: string;
+  data: any;
+  onMessage: (text: string) => void;
+}
+export const streamFetch = ({ url, data, onMessage }: StreamFetchProps) =>
+  new Promise(async (resolve, reject) => {
+    try {
+      const res = await fetch(url, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        body: JSON.stringify(data)
+      });
+      const reader = res.body?.getReader();
+      if (!reader) return;
+      const decoder = new TextDecoder();
+      let responseText = '';
+
+      const read = async () => {
+        const { done, value } = await reader?.read();
+        if (done) {
+          if (res.status === 200) {
+            resolve(responseText);
+          } else {
+            try {
+              const parseError = JSON.parse(responseText);
+              reject(parseError?.message || '请求异常');
+            } catch (err) {
+              reject('请求异常');
+            }
+          }
+
+          return;
+        }
+        const text = decoder.decode(value).replace(/<br\/>/g, '\n');
+        res.status === 200 && onMessage(text);
+        responseText += text;
+        read();
+      };
+      read();
+    } catch (err: any) {
+      console.log(err, '====');
+      reject(typeof err === 'string' ? err : err?.message || '请求异常');
+    }
+  });