Use Array.isArray instead

src/eventlog.js

@@ -75,14 +75,14 @@ exports = module.exports = {
     ACTION_PROCESS_CRASH: 'system.crash'
 };
 
-var assert = require('assert'),
+const assert = require('assert'),
     debug = require('debug')('box:eventlog'),
     eventlogdb = require('./eventlogdb.js'),
     notifications = require('./notifications.js'),
     util = require('util'),
     uuid = require('uuid');
 
-var NOOP_CALLBACK = function (error) { if (error) debug(error); };
+const NOOP_CALLBACK = function (error) { if (error) debug(error); };
 
 function add(action, source, data, callback) {
     assert.strictEqual(typeof action, 'string');
@@ -144,7 +144,7 @@ function getAllPaged(actions, search, page, perPage, callback) {
 }
 
 function getByCreationTime(creationTime, callback) {
-    assert(util.isDate(creationTime));
+    assert(util.types.isDate(creationTime));
     assert.strictEqual(typeof callback, 'function');
 
     eventlogdb.getByCreationTime(creationTime, function (error, events) {