Initial commit

main.js

@@ -0,0 +1,76 @@
+const { app, BrowserWindow, dialog, ipcMain } = require("electron");
+const fs = require("node:fs/promises");
+const path = require("node:path");
+
+app.commandLine.appendSwitch("enable-blink-features", "WebMidi");
+
+function createWindow() {
+  const win = new BrowserWindow({
+    width: 1600,
+    height: 980,
+    minWidth: 1200,
+    minHeight: 760,
+    backgroundColor: "#0f1117",
+    webPreferences: {
+      contextIsolation: true,
+      sandbox: false,
+      preload: path.join(__dirname, "preload.js")
+    }
+  });
+
+  win.loadFile(path.join(__dirname, "src", "index.html"));
+}
+
+ipcMain.handle("project:save", async (_event, payload) => {
+  if (payload?.filePath) {
+    await fs.writeFile(payload.filePath, payload.data, "utf8");
+    return { canceled: false, filePath: payload.filePath };
+  }
+
+  const result = await dialog.showSaveDialog({
+    defaultPath: payload?.defaultPath || "time4midi-project.json",
+    filters: [
+      { name: "Time4Midi Project", extensions: ["json"] }
+    ]
+  });
+
+  if (result.canceled || !result.filePath) {
+    return { canceled: true };
+  }
+
+  await fs.writeFile(result.filePath, payload.data, "utf8");
+  return { canceled: false, filePath: result.filePath };
+});
+
+ipcMain.handle("project:load", async () => {
+  const result = await dialog.showOpenDialog({
+    properties: ["openFile"],
+    filters: [
+      { name: "Time4Midi Project", extensions: ["json"] }
+    ]
+  });
+
+  if (result.canceled || result.filePaths.length === 0) {
+    return { canceled: true };
+  }
+
+  const filePath = result.filePaths[0];
+  const data = await fs.readFile(filePath, "utf8");
+  return { canceled: false, filePath, data };
+});
+
+app.whenReady().then(() => {
+  createWindow();
+
+  app.on("activate", () => {
+    if (BrowserWindow.getAllWindows().length === 0) {
+      createWindow();
+    }
+  });
+});
+
+app.on("window-all-closed", () => {
+  if (process.platform !== "darwin") {
+    app.quit();
+  }
+});