add preview window type

Author: sawka

frontend/app/store/windowtype.ts

@@ -2,9 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0
 
 // waveWindowType is set once at startup and never changes.
-let waveWindowType: "tab" | "builder" = "tab";
+let waveWindowType: "tab" | "builder" | "preview" = "tab";
 
-function getWaveWindowType(): "tab" | "builder" {
+function getWaveWindowType(): "tab" | "builder" | "preview" {
     return waveWindowType;
 }
 
@@ -16,8 +16,12 @@ function isTabWindow(): boolean {
     return waveWindowType === "tab";
 }
 
-function setWaveWindowType(windowType: "tab" | "builder") {
+function isPreviewWindow(): boolean {
+    return waveWindowType === "preview";
+}
+
+function setWaveWindowType(windowType: "tab" | "builder" | "preview") {
     waveWindowType = windowType;
 }
 
-export { getWaveWindowType, isBuilderWindow, isTabWindow, setWaveWindowType };
+export { getWaveWindowType, isBuilderWindow, isPreviewWindow, isTabWindow, setWaveWindowType };

frontend/preview/preview.tsx

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import Logo from "@/app/asset/logo.svg";
+import { setWaveWindowType } from "@/app/store/windowtype";
 import React, { lazy, Suspense } from "react";
 import { createRoot } from "react-dom/client";
 
@@ -113,5 +114,10 @@ function PreviewApp() {
     return <PreviewIndex />;
 }
 
-const root = createRoot(document.getElementById("main")!);
-root.render(<PreviewApp />);
+function initPreview() {
+    setWaveWindowType("preview");
+    const root = createRoot(document.getElementById("main")!);
+    root.render(<PreviewApp />);
+}
+
+initPreview();