Updates file tree behaviour

Signed-off-by: Mihovil Ilakovac <mihovil@ilakovac.com>

wasp-ai/main.wasp

@@ -3,7 +3,11 @@ app waspAi {
     version: "^0.10.6"
   },
   title: "wasp-ai",
-  dependencies: [("uuid", "^9.0.0"), ("prismjs", "^1.29.0")],
+  dependencies: [
+    ("uuid", "^9.0.0"),
+    ("prismjs", "^1.29.0"),
+    ("react-accessible-treeview", "2.6.1")
+  ],
   client: {
     rootComponent: import { RootComponent } from "@client/RootComponent.jsx",
   }

wasp-ai/src/client/components/CodeHighlight.jsx

@@ -13,7 +13,7 @@ export function CodeHighlight(props = {}) {
     ...others
   } = props;
   const langCls = language ? `language-${language}` : "";
-  async function highlight() {
+  function highlight() {
     if (codeRef.current) {
       Prism.highlightElement(codeRef.current);
     }

wasp-ai/src/client/components/FileTree.jsx

@@ -0,0 +1,42 @@
+import React, { useMemo } from "react";
+export function FileTree({ paths, activeFilePath, onActivePathSelect }) {
+  const tree = useMemo(() => {
+    if (paths && paths.length > 0) {
+      const tree = {};
+      paths.forEach((path) => {
+        const pathParts = path.split("/");
+        let node = tree;
+        pathParts.forEach((part, i) => {
+          if (i === pathParts.length - 1) {
+            node[part] = path;
+          } else {
+            if (!node[part]) {
+              node[part] = {};
+            }
+            node = node[part];
+          }
+        });
+      });
+      return tree;
+    } else {
+      return null;
+    }
+  }, [paths]);
+
+  return (
+    <div className="flex flex-col gap-2">
+      {paths.map((path) => (
+        <div
+          key={path}
+          className={
+            "px-4 py-2 bg-slate-200 rounded cursor-pointer " +
+            (activeFilePath === path ? "bg-yellow-400" : "")
+          }
+          onClick={() => onActivePathSelect(path)}
+        >
+          <div className="font-bold">{path}</div>
+        </div>
+      ))}
+    </div>
+  );
+}

wasp-ai/src/client/pages/MainPage.jsx

@@ -4,6 +4,7 @@ import startGeneratingNewApp from "@wasp/actions/startGeneratingNewApp";
 import getAppGenerationResult from "@wasp/queries/getAppGenerationResult";
 import { useQuery } from "@wasp/queries";
 import { CodeHighlight } from "../components/CodeHighlight";
+import { FileTree } from "../components/FileTree";
 
 const MainPage = () => {
   const [appName, setAppName] = useState("");
@@ -68,6 +69,30 @@ const MainPage = () => {
     }
   }, [activeFilePath]);
 
+  const interestingFilePaths = useMemo(() => {
+    if (files) {
+      return Object.keys(files)
+        .filter(
+          (path) =>
+            path !== ".env.server" &&
+            path !== ".env.client" &&
+            path !== "src/client/vite-env.d.ts" &&
+            path !== "src/client/tsconfig.json" &&
+            path !== "src/server/tsconfig.json" &&
+            path !== "src/shared/tsconfig.json" &&
+            path !== ".gitignore" &&
+            path !== "src/.waspignore" &&
+            path !== ".wasproot"
+        )
+        .sort(
+          (a, b) =>
+            (a.endsWith(".wasp") ? 0 : 1) - (b.endsWith(".wasp") ? 0 : 1)
+        );
+    } else {
+      return [];
+    }
+  }, [files]);
+
   return (
     <div className="container">
       <div
@@ -167,19 +192,12 @@ const MainPage = () => {
             Files
           </h2>
           <div className="grid gap-4 grid-cols-[300px_minmax(900px,_1fr)_100px]">
-            <aside className="bg-slate-100 p-4 rounded flex flex-col gap-2 sticky top-0">
+            <aside className="bg-slate-100 p-4 rounded sticky top-0">
-              {Object.keys(files).map((path) => (
+              <FileTree
-                <div
+                paths={interestingFilePaths}
-                  key={path}
+                activeFilePath={activeFilePath}
-                  className={
+                onActivePathSelect={setActiveFilePath}
-                    "px-4 py-2 bg-slate-200 rounded cursor-pointer " +
+              />
-                    (activeFilePath === path ? "bg-yellow-400" : "")
-                  }
-                  onClick={() => setActiveFilePath(path)}
-                >
-                  <div className="font-bold">{path}</div>
-                </div>
-              ))}
             </aside>
 
             {activeFilePath && (