Change all 'instanceof Array' to 'Array.isArray(foo)'

connection.js

@@ -272,7 +272,7 @@ Connection.prototype.respond = function(code, msg, func) {
         code = msg.code;
         msg = msg.reply;
     }
-    if (!(typeof msg === 'object' && msg.constructor.name === 'Array')) {
+    if (!(Array.isArray(msg))) {
         // msg not an array, make it so:
         messages = [ '' + msg ];
     } else {

dsn.js

@@ -76,8 +76,8 @@ function DSN(code, msg, def, subject, detail) {
     this.det = (enum_status_codes[this.sub][detail]) ? detail : 0;
     this.default_msg = enum_status_codes[this.sub][this.det];
     // Handle multi-line replies
-    if (typeof(this.msg) === 'object' && this.msg.constructor === Array) {
-        this.reply = new Array;
+    if (Array.isArray(this.msg)) {
+        this.reply = [];
         var m;
         while (m = this.msg.shift()) {
             this.reply.push([this.cls, this.sub, this.det].join('.') + ' ' + m);

outbound.js

@@ -107,7 +107,7 @@ exports.send_email = function () {
     }
 
     // Make sure to is an array
-    if (!(to instanceof Array)) {
+    if (!(Array.isArray(to))) {
         // turn into an array
         to = [ to ];
     }

smtp_client.js

@@ -146,7 +146,7 @@ SMTPClient.prototype.start_data = function (data) {
     if (data instanceof Function) {
         this.send_data = data;
     }
-    else if (data instanceof Array) {
+    else if (Array.isArray(data)) {
         var data_marker = 0;
         this.send_data = function () {
             while (data_marker < data.length) {

tests/fixtures/stub.js

@@ -1,7 +1,7 @@
 module.exports = function (returnValue) {
     function stub() {
         stub.called = true;
-        if (Object.prototype.toString.call(stub.args) === '[object Array]') {
+        if (Array.isArray(stub.args)) {
             stub.args.push(arguments);
         }
         else if (stub.args) {