sending tracking information (#116)

* Ability to send tracking information

lib/utils.js

@@ -2,6 +2,7 @@ import {dirname} from 'node:path';
 import {fileURLToPath} from 'node:url';
 import {readFile} from 'fs/promises';
 import {createHash} from 'crypto';
+import {DEFAULT_CONFIG} from './defaultConfig.js';
 
 function isOneOf(word, arr) {
     if (arr == null || arr.length === 0) {
@@ -52,7 +53,23 @@ function buildHash(...inputs) {
         .digest('hex');
 }
 
-const config = JSON.parse(await readFile(new URL('../conf/config.json', import.meta.url)));
+let config = {};
+export async function readConfigFromStorage(){
+    return JSON.parse(await readFile(new URL('../conf/config.json', import.meta.url)));
+}
+
+export async function refreshConfig(){
+    try {
+        config = await readConfigFromStorage();
+        //backwards compatability...
+        config.analyticsEnabled ??= null;
+        config.demoMode ??= false;
+    } catch (error) {
+        config = {...DEFAULT_CONFIG};
+        console.error('Error reading config file', error);
+    }
+}
+await refreshConfig();
 
 export {isOneOf};
 export {nullOrEmpty};