Add Vencord Loading & tray icon

src/main/utils/http.ts

@@ -0,0 +1,41 @@
+import { createWriteStream } from "fs";
+import type { IncomingMessage } from "http";
+import { RequestOptions, get } from "https";
+import { finished } from "stream/promises";
+
+export async function downloadFile(url: string, file: string, options: RequestOptions = {}) {
+    const res = await simpleReq(url, options);
+    await finished(
+        res.pipe(createWriteStream(file, {
+            autoClose: true
+        }))
+    );
+}
+
+export function simpleReq(url: string, options: RequestOptions = {}) {
+    return new Promise<IncomingMessage>((resolve, reject) => {
+        get(url, options, res => {
+            const { statusCode, statusMessage, headers } = res;
+            if (statusCode! >= 400)
+                return void reject(`${statusCode}: ${statusMessage} - ${url}`);
+            if (statusCode! >= 300)
+                return simpleReq(headers.location!, options)
+                    .then(resolve)
+                    .catch(reject);
+
+            resolve(res);
+        });
+    });
+}
+
+export async function simpleGet(url: string, options: RequestOptions = {}) {
+    const res = await simpleReq(url, options);
+
+    return new Promise<Buffer>((resolve, reject) => {
+        const chunks = [] as Buffer[];
+
+        res.once("error", reject);
+        res.on("data", chunk => chunks.push(chunk));
+        res.once("end", () => resolve(Buffer.concat(chunks)));
+    });
+}

src/main/utils/vencordLoader.ts

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+import { existsSync, mkdirSync } from "fs";
+import { join } from "path";
+import { USER_AGENT, VENCORD_FILES_DIR } from "../constants";
+import { downloadFile, simpleGet } from "./http";
+
+// TODO: Setting to switch repo
+const API_BASE = "https://api.github.com/repos/Vendicated/VencordDev";
+
+const FILES_TO_DOWNLOAD = [
+    "vencordDesktopMain.js",
+    "preload.js",
+    "vencordDesktopRenderer.js",
+    "renderer.css"
+];
+
+export async function githubGet(endpoint: string) {
+    return simpleGet(API_BASE + endpoint, {
+        headers: {
+            Accept: "application/vnd.github+json",
+            "User-Agent": USER_AGENT
+        }
+    });
+}
+
+export async function downloadVencordFiles() {
+    const release = await githubGet("/releases/latest");
+
+    const data = JSON.parse(release.toString("utf-8"));
+    const assets = data.assets as Array<{
+        name: string;
+        browser_download_url: string;
+    }>;
+
+    await Promise.all(
+        assets
+            .filter(({ name }) => FILES_TO_DOWNLOAD.some(f => name.startsWith(f)))
+            .map(({ name, browser_download_url }) =>
+                downloadFile(
+                    browser_download_url,
+                    join(
+                        VENCORD_FILES_DIR,
+                        name.replace(/vencordDesktop(\w)/, (_, c) => c.toLowerCase())
+                    )
+                )
+            )
+    );
+}
+
+export async function ensureVencordFiles() {
+    if (existsSync(join(VENCORD_FILES_DIR, "main.js"))) return;
+    mkdirSync(VENCORD_FILES_DIR, { recursive: true });
+
+    await downloadVencordFiles();
+}