Initial Updater work

scripts/build/build.mts

@@ -1,3 +1,9 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
 import { BuildContext, BuildOptions, context } from "esbuild";
 
 const isDev = process.argv.includes("--dev");
@@ -36,6 +42,11 @@ await Promise.all([
         entryPoints: ["src/preload/index.ts"],
         outfile: "dist/js/preload.js"
     }),
+    createContext({
+        ...NodeCommonOpts,
+        entryPoints: ["src/updater/preload.ts"],
+        outfile: "dist/js/updaterPreload.js"
+    }),
     createContext({
         ...CommonOpts,
         globalName: "VencordDesktop",
@@ -55,8 +66,10 @@ const watch = process.argv.includes("--watch");
 if (watch) {
     await Promise.all(contexts.map(ctx => ctx.watch()));
 } else {
-    await Promise.all(contexts.map(async ctx => {
-        await ctx.rebuild();
-        await ctx.dispose();
-    }));
+    await Promise.all(
+        contexts.map(async ctx => {
+            await ctx.rebuild();
+            await ctx.dispose();
+        })
+    );
 }

scripts/startWatch.mts

@@ -1,10 +1,16 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
 import { spawn as cpSpawn, SpawnOptions } from "child_process";
 import { join } from "path";
 
 const EXT = process.platform === "win32" ? ".cmd" : "";
 
 const OPTS: SpawnOptions = {
-    stdio: "inherit",
+    stdio: "inherit"
 };
 
 function spawn(bin: string, args: string[]) {

src/main/index.ts

@@ -8,6 +8,7 @@ import "./ipc";
 
 import { app, BrowserWindow } from "electron";
 import { join } from "path";
+import { checkUpdates } from "updater/main";
 
 import { ICON_PATH } from "../shared/paths";
 import { once } from "../shared/utils/once";
@@ -40,6 +41,8 @@ if (!app.requestSingleInstanceLock()) {
     });
 
     app.whenReady().then(async () => {
+        checkUpdates();
+
         if (process.platform === "win32") app.setAppUserModelId("dev.vencord.desktop");
         else if (process.platform === "darwin") app.dock.setIcon(ICON_PATH);
 

src/main/utils/vencordLoader.ts

@@ -10,10 +10,20 @@ import { join } from "path";
 import { USER_AGENT, VENCORD_FILES_DIR } from "../constants";
 import { downloadFile, simpleGet } from "./http";
 
-const API_BASE = "https://api.github.com/repos/Vendicated/Vencord";
+const API_BASE = "https://api.github.com";
 
 const FILES_TO_DOWNLOAD = ["vencordDesktopMain.js", "preload.js", "vencordDesktopRenderer.js", "renderer.css"];
 
+export interface ReleaseData {
+    name: string;
+    tag_name: string;
+    html_url: string;
+    assets: Array<{
+        name: string;
+        browser_download_url: string;
+    }>;
+}
+
 export async function githubGet(endpoint: string) {
     return simpleGet(API_BASE + endpoint, {
         headers: {
@@ -24,13 +34,9 @@ export async function githubGet(endpoint: string) {
 }
 
 export async function downloadVencordFiles() {
-    const release = await githubGet("/releases/latest");
+    const release = await githubGet("/repos/Vendicated/Vencord/releases/latest");
 
-    const data = JSON.parse(release.toString("utf-8"));
-    const assets = data.assets as Array<{
-        name: string;
-        browser_download_url: string;
-    }>;
+    const { assets } = JSON.parse(release.toString("utf-8")) as ReleaseData;
 
     await Promise.all(
         assets

src/shared/IpcEvents.ts

@@ -19,5 +19,7 @@ export const enum IpcEvents {
     GET_SETTINGS = "VCD_GET_SETTINGS",
     SET_SETTINGS = "VCD_SET_SETTINGS",
 
-    SELECT_VENCORD_DIR = "VCD_SELECT_VENCORD_DIR"
+    SELECT_VENCORD_DIR = "VCD_SELECT_VENCORD_DIR",
+
+    UPDATER_GET_LATEST_VERSION = "VCD_UPDATER_GET_LATEST_VERSION"
 }

src/updater/main.ts

@@ -0,0 +1,61 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import { app, BrowserWindow, ipcMain } from "electron";
+import { githubGet, ReleaseData } from "main/utils/vencordLoader";
+import { join } from "path";
+import { IpcEvents } from "shared/IpcEvents";
+import { STATIC_DIR } from "shared/paths";
+
+let latestVersion: string;
+
+ipcMain.handle(IpcEvents.UPDATER_GET_LATEST_VERSION, () => latestVersion);
+
+function isOutdated(oldVersion: string, newVersion: string) {
+    const oldParts = oldVersion.split(".");
+    const newParts = newVersion.split(".");
+
+    if (oldParts.length !== newParts.length)
+        throw new Error(`Incompatible version strings (old: ${oldVersion}, new: ${newVersion})`);
+
+    for (let i = 0; i < oldParts.length; i++) {
+        const oldPart = Number(oldParts[i]);
+        const newPart = Number(newParts[i]);
+
+        if (isNaN(oldPart) || isNaN(newPart))
+            throw new Error(`Invalid version string (old: ${oldVersion}, new: ${newVersion})`);
+
+        if (oldPart < newPart) return true;
+        if (oldPart > newPart) return false;
+    }
+
+    return false;
+}
+
+export async function checkUpdates() {
+    if (IS_DEV) return;
+
+    try {
+        const raw = await githubGet("/repos/Vencord/Desktop/releases/latest");
+        const { tag_name } = JSON.parse(raw.toString("utf-8")) as ReleaseData;
+
+        const oldVersion = app.getVersion();
+        const newVersion = (latestVersion = tag_name.replace(/^v/, ""));
+        if (isOutdated(oldVersion, newVersion)) openNewUpdateWindow();
+    } catch (e) {
+        console.error("AppUpdater: Failed to check for updates\n", e);
+    }
+}
+
+function openNewUpdateWindow() {
+    const win = new BrowserWindow({
+        webPreferences: {
+            preload: join(__dirname, "updaterPreload.js")
+        }
+    });
+
+    win.loadFile(join(STATIC_DIR, "updater.html"));
+}

src/updater/preload.ts

@@ -0,0 +1,12 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import { contextBridge, ipcRenderer } from "electron";
+import { IpcEvents } from "shared/IpcEvents";
+
+contextBridge.exposeInMainWorld("Updater", {
+    getLatestVersion: () => ipcRenderer.invoke(IpcEvents.UPDATER_GET_LATEST_VERSION)
+});

static/updater.html

@@ -0,0 +1,7 @@
+<div>hi</div>
+<p></p>
+
+<script type="module">
+    const version = await Updater.getLatestVersion();
+    document.querySelector("p").textContent = version;
+</script>