add optional logging, cleanup fixes

electron/logging.js

@@ -0,0 +1,44 @@
+const fs = require("fs");
+const path = require("path");
+
+class Logger {
+  constructor(directory) {
+    this.directory = directory;
+    this.enabled = false;
+  }
+
+  async init() {
+    const filename = `${new Date().toISOString().replace(/:/g, "-")}.log`;
+    this.logPath = path.join(this.directory, filename);
+  }
+
+  async log(message) {
+    if (this.logPath === undefined || this.enabled == false) {
+      return;
+    }
+    if (!fs.existsSync(this.logPath)) {
+      await fs.promises.mkdir(this.directory, { recursive: true });
+      await fs.promises.writeFile(this.logPath, "");
+    }
+    const logMessage = `[${new Date().toISOString()}] LOG: ${message}`;
+    await fs.promises.appendFile(this.logPath, `${logMessage}\n`);
+    console.log(logMessage);
+  }
+
+  async error(message, error) {
+    if (this.logPath === undefined || this.enabled == false) {
+      return;
+    }
+    if (!fs.existsSync(this.logPath)) {
+      await fs.promises.mkdir(this.directory, { recursive: true });
+      await fs.promises.writeFile(this.logPath, "");
+    }
+    const errorMessage = `[${
+      new Date().toISOString()
+    }] ERROR: ${message}\n${error.stack}`;
+    await fs.promises.appendFile(this.logPath, `${errorMessage}\n`);
+    console.error(errorMessage);
+  }
+}
+
+module.exports = Logger;