Build EnvHelper desktop app

electron/main.ts

@@ -0,0 +1,74 @@
+import { app, BrowserWindow, dialog, ipcMain } from "electron";
+import isDev from "electron-is-dev";
+import { readFile, writeFile } from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+async function createWindow() {
+  const win = new BrowserWindow({
+    width: 1220,
+    height: 820,
+    minWidth: 980,
+    minHeight: 680,
+    title: "EnvHelper",
+    backgroundColor: "#f6f7f4",
+    webPreferences: {
+      preload: path.join(__dirname, "preload.js"),
+      contextIsolation: true,
+      nodeIntegration: false
+    }
+  });
+
+  if (isDev) {
+    await win.loadURL("http://127.0.0.1:5173");
+  } else {
+    await win.loadFile(path.join(__dirname, "../dist/index.html"));
+  }
+}
+
+ipcMain.handle("envhelper:open-file", async () => {
+  const result = await dialog.showOpenDialog({
+    properties: ["openFile"],
+    filters: [{ name: "Environment files", extensions: ["env", "txt", "*"] }]
+  });
+
+  if (result.canceled || result.filePaths.length === 0) {
+    return null;
+  }
+
+  const filePath = result.filePaths[0];
+  return {
+    path: filePath,
+    content: await readFile(filePath, "utf8")
+  };
+});
+
+ipcMain.handle("envhelper:save-file", async (_event, content: string) => {
+  const result = await dialog.showSaveDialog({
+    defaultPath: ".env",
+    filters: [{ name: "Environment file", extensions: ["env"] }]
+  });
+
+  if (result.canceled || !result.filePath) {
+    return null;
+  }
+
+  await writeFile(result.filePath, content, "utf8");
+  return result.filePath;
+});
+
+app.whenReady().then(createWindow);
+
+app.on("window-all-closed", () => {
+  if (process.platform !== "darwin") {
+    app.quit();
+  }
+});
+
+app.on("activate", () => {
+  if (BrowserWindow.getAllWindows().length === 0) {
+    void createWindow();
+  }
+});