feat: support for non-streamed responses (#294)

src/services/apis/openai-api.mjs

@@ -132,10 +132,12 @@ export async function generateAnswersWithChatgptApi(port, question, session, api
         console.debug('json error', error)
         return
       }
-      if ('content' in data.choices[0].delta) {
-        answer += data.choices[0].delta.content
-        port.postMessage({ answer: answer, done: false, session: null })
-      }
+      answer +=
+        data.choices[0]?.delta?.content ||
+        data.choices[0]?.message?.content ||
+        data.choices[0]?.text ||
+        ''
+      port.postMessage({ answer: answer, done: false, session: null })
     },
     async onStart() {},
     async onEnd() {

src/utils/fetch-sse.mjs

@@ -19,7 +19,17 @@ export async function fetchSSE(resource, options) {
   let hasStarted = false
   for await (const chunk of streamAsyncIterable(resp.body)) {
     const str = new TextDecoder().decode(chunk)
-    parser.feed(str)
+    if (!str.startsWith('{') && !str.startsWith('"{')) {
+      parser.feed(str)
+    } else {
+      const formattedStr =
+        'data: ' +
+        JSON.stringify(
+          JSON.parse(str.replace(/^"|"$/g, '').replaceAll('\\"', '"').replaceAll('\\\\u', '\\u')),
+        ).replaceAll('\\\\n', '\\n') +
+        '\n\ndata: [DONE]\n\n'
+      parser.feed(formattedStr)
+    }
 
     if (!hasStarted) {
       hasStarted = true