only search libraries if they are a folderlinux-launch

Steam's library list may be outdated, or a drive may not be mounted
currently, however we would still attempt to read the folder that
doesn't currently exist, causing an error.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/modules/find.js b/src/modules/find.js
index 25c1b38..8ed565e 100644
--- a/src/modules/find.js
+++ b/src/modules/find.js
@@ -46,6 +46,12 @@ module.exports = {
 		let protonpath = false;
 
 		for (let i = 0; i < libraries.length; i++) {
+			if (! fs.existsSync(libraries[i])
+				|| fs.statSync(libraries[i]).isDirectory()) {
+
+				continue;
+			}
+
 			let files = fs.readdirSync(libraries[i]);
 			for (let ii = 0; ii < files.length; ii++) {
 				if (files[ii].match(/^Proton [0-9]+\.[0-9]+/)) {