fix: do not force close nonexisant browser

Fixes a bug where the browser would be forced closed even if it wasn't launched yet.
IMA-WorldHealth · Oct 7, 2020 · a2af0e2 · a2af0e2
1 parent 62bfa8f
commit a2af0e2
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diff --git a/index.js b/index.js
@@ -93,6 +93,6 @@ process.on('beforeExit', async () => {
 });
 
 // force-close all subprocesses on exit.
-process.on('exit', () => cluster.close());
+process.on('exit', () => cluster && cluster.close());
 
 module.exports = render;