Support for arrays in url parameter

docs/client.md

@@ -14,7 +14,7 @@ The code to create a new client looks like:
 
     var ldap = require('ldapjs');
     var client = ldap.createClient({
-      url: 'ldap://127.0.0.1:1389,127.0.0.2:1389'
+      url: ['ldap://127.0.0.1:1389', 'ldap://127.0.0.2:1389']
     });
 
 You can use `ldap://` or `ldaps://`; the latter would connect over SSL (note

lib/client/client.js

@@ -112,10 +112,18 @@ function Client (options) {
   var self = this
   this.servers = []
   if (options.url) {
+    var urls = options.url
+
+    if (typeof options.url === 'string') {
       var [, protocol, hosts, path] = options.url.match(/^([a-zA-Z]+:\/\/)([^/]*)(.*)/)
 
-    hosts.split(',').forEach((host) => {
-      this.servers.push(url.parse(`${protocol}${host}${path}`))
+      urls = hosts.split(',').map((host) => {
+        return `${protocol}${host}${path}`
+      })
+    }
+
+    this.servers = urls.map((host) => {
+      return url.parse(host)
     })
   }
 

lib/client/index.js

@@ -7,7 +7,7 @@ module.exports = {
   Client: Client,
   createClient: function createClient (options) {
     if (isObject(options) === false) throw TypeError('options (object) required')
-    if (options.url && typeof options.url !== 'string') throw TypeError('options.url (string) required')
+    if (options.url && typeof options.url !== 'string' && !Array.isArray(options.url)) throw TypeError('options.url (string|array) required')
     if (options.socketPath && typeof options.socketPath !== 'string') throw TypeError('options.socketPath must be a string')
     if ((options.url && options.socketPath) || !(options.url || options.socketPath)) throw TypeError('options.url ^ options.socketPath (String) required')
     if (!options.log) options.log = logger

test/client.test.js

@@ -341,9 +341,8 @@ tap.test('createClient', t => {
   })
 
   t.test('url must be a string', async t => {
-    const match = /options\.url \(string\) required/
+    const match = /options\.url \(string\|array\) required/
     t.throws(() => ldap.createClient({ url: {} }), match)
-    t.throws(() => ldap.createClient({ url: [] }), match)
     t.throws(() => ldap.createClient({ url: 42 }), match)
   })