refactor: make non-streaming chat as /chat/request route

e2e/basic.spec.ts

@@ -12,7 +12,7 @@ import type {
 } from "../helpers";
 import { createTestDir, runCreateLlama, type AppType } from "./utils";
 
-const templateTypes: TemplateType[] = ["streaming", "simple"];
+const templateTypes: TemplateType[] = ["streaming"];
 const templateFrameworks: TemplateFramework[] = [
   "nextjs",
   "express",
@@ -30,20 +30,8 @@ for (const templateType of templateTypes) {
     for (const templateEngine of templateEngines) {
       for (const templateUI of templateUIs) {
         for (const templatePostInstallAction of templatePostInstallActions) {
-          if (templateFramework === "nextjs" && templateType === "simple") {
-            // nextjs doesn't support simple templates - skip tests
-            continue;
-          }
           const appType: AppType =
-            templateFramework === "express" || templateFramework === "fastapi"
-              ? templateType === "simple"
-                ? "--no-frontend" // simple templates don't have frontends
-                : "--frontend"
-              : "";
-          if (appType === "--no-frontend" && templateUI !== "html") {
-            // if there's no frontend, don't iterate over UIs
-            continue;
-          }
+            templateFramework === "nextjs" ? "" : "--frontend";
           test.describe(`try create-llama ${templateType} ${templateFramework} ${templateEngine} ${templateUI} ${appType} ${templatePostInstallAction}`, async () => {
             let port: number;
             let externalPort: number;
@@ -79,7 +67,6 @@ for (const templateType of templateTypes) {
             });
             test("Frontend should have a title", async ({ page }) => {
               test.skip(templatePostInstallAction !== "runApp");
-              test.skip(appType === "--no-frontend");
               await page.goto(`http://localhost:${port}`);
               await expect(page.getByText("Built by LlamaIndex")).toBeVisible();
             });
@@ -88,7 +75,6 @@ for (const templateType of templateTypes) {
               page,
             }) => {
               test.skip(templatePostInstallAction !== "runApp");
-              test.skip(appType === "--no-frontend");
               await page.goto(`http://localhost:${port}`);
               await page.fill("form input", "hello");
               const [response] = await Promise.all([
@@ -109,14 +95,13 @@ for (const templateType of templateTypes) {
               expect(response.ok()).toBeTruthy();
             });
 
-            test("Backend should response when calling API", async ({
+            test("Backend frameworks should response when calling non-streaming chat API", async ({
               request,
             }) => {
               test.skip(templatePostInstallAction !== "runApp");
-              test.skip(appType !== "--no-frontend");
-              const backendPort = appType === "" ? port : externalPort;
+              test.skip(templateFramework === "nextjs");
               const response = await request.post(
-                `http://localhost:${backendPort}/api/chat`,
+                `http://localhost:${externalPort}/api/chat/request`,
                 {
                   data: {
                     messages: [

helpers/types.ts

@@ -1,7 +1,7 @@
 import { PackageManager } from "../helpers/get-pkg-manager";
 import { Tool } from "./tools";
 
-export type TemplateType = "simple" | "streaming" | "community" | "llamapack";
+export type TemplateType = "streaming" | "community" | "llamapack";
 export type TemplateFramework = "nextjs" | "express" | "fastapi";
 export type TemplateEngine = "simple" | "context";
 export type TemplateUI = "html" | "shadcn";

questions.ts

@@ -380,8 +380,7 @@ export const askQuestions = async (
           name: "template",
           message: "Which template would you like to use?",
           choices: [
-            { title: "Chat without streaming", value: "simple" },
-            { title: "Chat with streaming", value: "streaming" },
+            { title: "Chat", value: "streaming" },
             {
               title: `Community template from ${styledRepo}`,
               value: "community",
@@ -450,13 +449,10 @@ export const askQuestions = async (
       program.framework = getPrefOrDefault("framework");
     } else {
       const choices = [
+        { title: "NextJS", value: "nextjs" },
         { title: "Express", value: "express" },
         { title: "FastAPI (Python)", value: "fastapi" },
       ];
-      if (program.template === "streaming") {
-        // allow NextJS only for streaming template
-        choices.unshift({ title: "NextJS", value: "nextjs" });
-      }
 
       const { framework } = await prompts(
         {
@@ -473,10 +469,7 @@ export const askQuestions = async (
     }
   }
 
-  if (
-    program.template === "streaming" &&
-    (program.framework === "express" || program.framework === "fastapi")
-  ) {
+  if (program.framework === "express" || program.framework === "fastapi") {
     // if a backend-only framework is selected, ask whether we should create a frontend
     // (only for streaming backends)
     if (program.frontend === undefined) {