feat: adding initial download sources

src/main/services/7zip.ts

@@ -0,0 +1,38 @@
+import { app } from "electron";
+import cp from "node:child_process";
+import path from "node:path";
+
+export const binaryName = {
+  linux: "7zzs",
+  darwin: "7zz",
+  win32: "7zr.exe",
+};
+
+export class _7Zip {
+  private static readonly binaryPath = app.isPackaged
+    ? path.join(process.resourcesPath, binaryName[process.platform])
+    : path.join(
+        __dirname,
+        "..",
+        "..",
+        "binaries",
+        binaryName[process.platform]
+      );
+
+  public static extractFile(
+    filePath: string,
+    outputPath: string,
+    cb: () => void
+  ) {
+    const child = cp.spawn(this.binaryPath, [
+      "x",
+      filePath,
+      "-o" + outputPath,
+      "-y",
+    ]);
+
+    child.on("exit", () => {
+      cb();
+    });
+  }
+}