Initial commit

moved from private version control

electron-main.js

@@ -0,0 +1,104 @@
+const { app, BrowserWindow, ipcMain } = require("electron");
+const fs = require("node:fs/promises");
+const path = require("node:path");
+
+const OUTPUT_FILENAME = "compiled.lua";
+
+/**
+ * Resolves the absolute directory where compiled Lua output is stored.
+ *
+ * @returns {string}
+ */
+function getOutputDirectory() {
+  const applicationData = app.getPath("appData");
+  return path.join(applicationData, "pico-8", "carts", "picograph");
+}
+
+/**
+ * Resolves the absolute path to the generated Lua file.
+ *
+ * @returns {string}
+ */
+function getOutputPath() {
+  return path.join(getOutputDirectory(), OUTPUT_FILENAME);
+}
+
+/** @type {import("electron").BrowserWindow | null} */
+let mainWindow = null;
+
+/**
+ * Creates the primary application window and loads the web UI.
+ *
+ * @returns {void}
+ */
+function createMainWindow() {
+  const window = new BrowserWindow({
+    width: 1440,
+    height: 900,
+    minWidth: 960,
+    minHeight: 640,
+    webPreferences: {
+      contextIsolation: true,
+      nodeIntegration: false,
+        preload: path.join(__dirname, "preload.js"),
+    },
+    show: false,
+  });
+
+  window.once("ready-to-show", () => {
+    window.show();
+  });
+
+  window.loadFile(path.join(__dirname, "index.html"));
+
+  window.on("closed", () => {
+    mainWindow = null;
+  });
+
+  mainWindow = window;
+}
+
+/**
+ * Registers IPC handlers used by renderer processes.
+ *
+ * @returns {void}
+ */
+function registerIpcHandlers() {
+  ipcMain.handle("lua:compile", async (_event, source) => {
+    if (typeof source !== "string") {
+      throw new TypeError("Lua source must be a string");
+    }
+
+    const outputPath = getOutputPath();
+    await fs.mkdir(path.dirname(outputPath), { recursive: true });
+    await fs.writeFile(outputPath, source, "utf8");
+
+    return { filePath: outputPath };
+  });
+}
+
+/**
+ * Wires core Electron lifecycle events for the application.
+ *
+ * @returns {void}
+ */
+function registerAppLifecycle() {
+  app.whenReady().then(() => {
+    createMainWindow();
+    registerIpcHandlers();
+
+    app.on("activate", () => {
+      if (BrowserWindow.getAllWindows().length === 0) {
+        createMainWindow();
+      }
+    });
+  });
+
+  app.on("window-all-closed", () => {
+    if (process.platform !== "darwin") {
+      app.quit();
+    }
+  });
+}
+
+registerAppLifecycle();