test,lib,doc: use function declarations

Replace function expressions with function declarations in preparation
for a lint rule requiring function declarations.

PR-URL: https://github.com/nodejs/node/pull/12711
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/test/parallel/test-cluster-disconnect.js b/test/parallel/test-cluster-disconnect.js
index 0f43b4ef59..2286ca1d67 100644
--- a/test/parallel/test-cluster-disconnect.js
+++ b/test/parallel/test-cluster-disconnect.js
@@ -38,7 +38,7 @@ if (cluster.isWorker) {
   const servers = 2;
 
   // test a single TCP server
-  const testConnection = function(port, cb) {
+  const testConnection = (port, cb) => {
     const socket = net.connect(port, '127.0.0.1', () => {
       // buffer result
       let result = '';
@@ -52,7 +52,7 @@ if (cluster.isWorker) {
   };
 
   // test both servers created in the cluster
-  const testCluster = function(cb) {
+  const testCluster = (cb) => {
     let done = 0;
 
     for (let i = 0; i < servers; i++) {
@@ -67,7 +67,7 @@ if (cluster.isWorker) {
   };
 
   // start two workers and execute callback when both is listening
-  const startCluster = function(cb) {
+  const startCluster = (cb) => {
     const workers = 8;
     let online = 0;
 
@@ -81,7 +81,7 @@ if (cluster.isWorker) {
     }
   };
 
-  const test = function(again) {
+  const test = (again) => {
     //1. start cluster
     startCluster(common.mustCall(() => {
       //2. test cluster