fix: error handling

src/updater/CacheManager.ts

@@ -17,23 +17,25 @@ export class CacheManager {
       fs.mkdirSync(cacheFolder);
       logger.info('Created cache folder');
     }
-
-    this.load();
   }
 
   private save() {
     fs.writeFileSync(cacheFile, JSON.stringify(this.cache, null, 2), 'utf8');
   }
 
-  private load(): void {
+  public load(): void {
     if (!fs.existsSync(cacheFile)) {
       this.cache = {
         license: false,
         version: '0.0.0',
       };
       this.save();
     } else {
-      this.cache = JSON.parse(fs.readFileSync(cacheFile, 'utf8'));
+      try {
+        this.cache = JSON.parse(fs.readFileSync(cacheFile, 'utf8'));
+      } catch (error) {
+        throw new Error(`Failed to load cache file, try deleting .launcher-cache/cache.json`);
+      }
     }
   }
 

src/updater/index.ts

@@ -21,6 +21,8 @@ class ServerUpdater {
   }
 
   async run(): Promise<void> {
+    this.cacheManager.load();
+
     const { shouldUpdate, latestVersion } = await this.checkUpdate();
     if (shouldUpdate) {
       this.logger.info(`New version available: ${latestVersion}`);
@@ -55,13 +57,10 @@ class ServerUpdater {
     this.cacheManager.setVersion(versionInfo.version);
   }
 
-  async checkLicense() {
+  async checkLicense(): Promise<void> {
     if (this.cacheManager.getLicense()) return;
     const result = await askLicense();
-    if (!result) {
-      this.logger.error('You must agree to the Minecraft EULA to use the server');
-      exit(1);
-    }
+    if (!result) throw new Error('\nYou must agree to the Minecraft EULA to use the server');
     this.cacheManager.setLicense(true);
   }
 
@@ -71,12 +70,14 @@ class ServerUpdater {
   }
 }
 
+const isDebug = process.argv.includes('--debug');
+
 const updater = new ServerUpdater();
 try {
   await updater.run();
   exit();
 } catch(err: any) {
-  updater.logger.error(`Failed to update server: ${err}`);
-  console.error(err?.stack)
+  updater.logger.error(`Error: ${err.message}`);
+  if (isDebug) console.error(err?.stack);
   exit(1);
 }