UPDATE: Add self update

frontend/src/helper/launcher.ts

@@ -0,0 +1,38 @@
+import useLauncherStore from "@/stores/launcherStore";
+import { AppService, GitService } from "@bindings/firefly-launcher/internal";
+import { toast } from "react-toastify";
+import { sleep } from "./sleep";
+
+export async function CheckUpdateLauncher() : Promise<{isUpdate: boolean, version: string}> {
+    let isUpdateLauncher = false
+    let version = ""
+    const [launcherCurrentOk, launcherCurrentVersion] = await AppService.GetCurrentLauncherVersion()
+    if (!launcherCurrentOk) {
+        toast.error("Launcher error: cannot get current version")
+    } else {
+        const [launcherNewOk, launcherNewVersion, launcherNewError] = await GitService.GetLatestLauncherVersion()
+        version = launcherCurrentVersion
+        if (launcherNewOk && launcherNewVersion && launcherNewVersion !== launcherCurrentVersion) {
+            isUpdateLauncher = true
+            version = launcherNewVersion
+        } else if (!launcherNewOk) {
+            toast.error("Launcher error: " + launcherNewError)
+        }
+    }
+    return { isUpdate: isUpdateLauncher, version: version }
+}
+
+export async function UpdateLauncher(launcherVersion: string) : Promise<void> {
+    const {setDownloadType } = useLauncherStore.getState()
+    setDownloadType("update:launcher:downloading")
+    const [ok, error] = await GitService.UpdateLauncherProgress(launcherVersion)
+    if (ok) {
+        setDownloadType("update:launcher:success")
+
+    } else {
+        toast.error(error)
+        setDownloadType("update:launcher:failed")
+    }
+    AppService.CloseAppAfterTimeout(5)
+    await sleep(5000)
+}