fix: Set file mode config only if it exists

Author: ffflorian

src/JSZipCLI.ts

@@ -36,6 +36,7 @@ export class JSZipCLI {
 
     this.options = {...defaultOptions, ...this.terminalOptions};
     this.logger.state.isEnabled = this.options.verbose;
+    this.logger.info('Merged options', this.options);
 
     this.checkConfigFile();
 

src/cli.ts

@@ -134,7 +134,7 @@ commander
       }
 
       await new JSZipCLI({
-        configFile: options.config,
+        ...(options.config && {configFile: options.config}),
         ...(options.force && {force: options.force}),
         ...(options.ignore && {ignoreEntries: [options.ignore]}),
         ...(options.output && {outputEntry: options.output}),