doc: add error check to fs example

Previously, the err passed to the callback of fs.open() was not checked. PR-URL: #18681 Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Vse Mozhet Byt <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Tobias Nießen <[email protected]>
nodejs · Feb 21, 2018 · 3cfb313 · 3cfb313
1 parent 080368b
commit 3cfb313
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/doc/api/fs.md b/doc/api/fs.md
@@ -1397,6 +1397,7 @@ fs.open('myfile', 'wx', (err, fd) => {
 fs.exists('myfile', (exists) => {
   if (exists) {
     fs.open('myfile', 'r', (err, fd) => {
+      if (err) throw err;
       readMyData(fd);
     });
   } else {