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client/src/services/environment.mjs

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+import dotenv from 'dotenv';
+import * as fs from 'node:fs';
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+import { execSync } from "child_process";
+
+dotenv.config();
+
+export const environment = {
+    config: process.env.CONFIG || 'config.json',
+    hostname: process.env.HOSTNAME || execSync('hostname', { encoding: "utf-8" }) || 'localhost',
+    gpsd: process.env.GPSD || 2947,
+    port: process.env.PORT || 80,
+    root: dirname(dirname(fileURLToPath(import.meta.url))),
+    settings: {},
+}
+
+if(!environment.config.startsWith('/')) environment.config = `${environment.root}/${environment.config}`;
+
+export function loadSettings() {
+    if(!fs.existsSync(environment.config)) fs.writeFileSync(environment.config, '', { flag: 'a' });
+    const value = fs.readFileSync(environment.config, 'utf-8');
+    try { return JSON.parse(value); }
+    catch (e) {
+        return {
+            lora: {
+                mode: 'MESH',
+                telemetry: true,
+            }
+        };
+    }
+}
+
+export function saveSettings() {
+    fs.writeFileSync(environment.config, JSON.stringify(environment.settings, null, 4));
+}
+
+loadSettings();