No need to create new array since .split does so for us

oskarhane · oskarhane · commit 4c9976138a27 · 2016-07-29T14:46:18.000+02:00
diff --git a/src/v1/internal/ch-node.js b/src/v1/internal/ch-node.js
@@ -86,7 +86,7 @@ function storeFingerprint(serverId, knownHostsPath, fingerprint) {
   try {
     fs.accessSync(knownHostsPath);
   } catch (_) {
-    let pathWithoutFile = [].concat(knownHostsPath.split(path.sep)).slice(0, -1).join(path.sep);
+    let pathWithoutFile = knownHostsPath.split(path.sep).slice(0, -1).join(path.sep);
     mkFullPath(pathWithoutFile);
   }
   fs.appendFile(knownHostsPath, serverId + " " + fingerprint + EOL, "utf8", (err) => {

Original file line number	Diff line number	Diff line change
`@@ -86,7 +86,7 @@ function storeFingerprint(serverId, knownHostsPath, fingerprint) {`
`86`	`86`	`try {`
`87`	`87`	`fs.accessSync(knownHostsPath);`
`88`	`88`	`} catch (_) {`
`89`		`- let pathWithoutFile = [].concat(knownHostsPath.split(path.sep)).slice(0, -1).join(path.sep);`
	`89`	`+ let pathWithoutFile = knownHostsPath.split(path.sep).slice(0, -1).join(path.sep);`
`90`	`90`	`mkFullPath(pathWithoutFile);`
`91`	`91`	`}`
`92`	`92`	`fs.appendFile(knownHostsPath, serverId + " " + fingerprint + EOL, "utf8", (err) => {`