tools: enable additional lint rules

Enable additional likely-uncontroversial lint rules:

* `comma-dangle` set to prohibit dangling commas on objects and arrays
that are defined on a single line. Multi-line definitions can use or
omit a trailing comma.

* `no-unused-labels` Prohibits defining a label that is not used.

* `no-path-concat` Prohibits string-concatenation using i`__dirname` and
`__filename`. Use `path.join()`, `path.resolve()`, or template strings
instead.

* `no-new-symbol` disallow use of `new` operator with `Symbol` object.
Violating this rule would result in a `TypeError` at runtime.`

PR-URL: https://github.com/nodejs/node/pull/5357
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/test/parallel/test-stdio-closed.js b/test/parallel/test-stdio-closed.js
index 9249ea797b..bf9a57bd68 100644
--- a/test/parallel/test-stdio-closed.js
+++ b/test/parallel/test-stdio-closed.js
@@ -18,7 +18,7 @@ if (process.argv[2] === 'child') {
 }
 
 // Run the script in a shell but close stdout and stderr.
-var cmd = '"' + process.execPath + '" "' + __filename + '" child 1>&- 2>&-';
+var cmd = `"${process.execPath}" "${__filename}" child 1>&- 2>&-`;
 var proc = spawn('/bin/sh', ['-c', cmd], { stdio: 'inherit' });
 
 proc.on('exit', common.mustCall(function(exitCode) {