Fix generation of large PDFs

.gitignore

@@ -1,6 +1,6 @@
 build
 composer.lock
+node_modules
 vendor
 .phpunit.result.cache
 .php-cs-fixer.cache
-

bin/browser.cjs

@@ -46,9 +46,10 @@ const getOutput = async (request, page = null) => {
         if (request.action == 'evaluate') {
             output.result = await page.evaluate(request.options.pageFunction);
         } else {
-            output.result = (
-                await page[request.action](request.options)
-            ).toString('base64');
+            const result = await page[request.action](request.options);
+
+            // Ignore output result when saving to a file
+            output.result = request.options.path ? '' : result.toString('base64');
         }
     }
 
@@ -388,14 +389,14 @@ const callChrome = async pup => {
             await page.close();
         }
 
-        await remoteInstance ? browser.disconnect() : browser.close();
+        await (remoteInstance ? browser.disconnect() : browser.close());
     } catch (exception) {
         if (browser) {
             if (remoteInstance && page) {
                 await page.close();
             }
 
-            (await remoteInstance) ? browser.disconnect() : browser.close();
+            await (remoteInstance ? browser.disconnect() : browser.close());
         }
 
         const output = await getOutput(request);