From 8d03d450b05ab933b1722ca17297b87ca6435e23 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Er=20Galv=C3=A3o=20Abbott?= <galvao@galvao.eti.br>
Date: Tue, 15 Jan 2019 03:43:08 -0200
Subject: [PATCH] Version 1.0.0 - Turning to the class syntax sepcified by
 ECMAScript2015; Better code documentation (PHPDocumentor style).

---
 src/JHRW.js                  | 133 ++++++++++++++++++++++-------------
 src/example/requestTest.html |   4 +-
 2 files changed, 88 insertions(+), 49 deletions(-)

diff --git a/src/JHRW.js b/src/JHRW.js
index 216a7bf..57095f6 100644
--- a/src/JHRW.js
+++ b/src/JHRW.js
@@ -1,61 +1,84 @@
 /**
- * JHRW - JavaScript HTTP Reuqest Wrapper
+ * JHRW - JavaScript HTTP Request Wrapper
  *
  * A wrapper around so-called "AJAX" requests.
  *
  * @author Er Galvão Abbott <galvao@galvao.eti.br>
  * @link https://github.com/galvao/JHRW
+ * @license Apache 2.0
  */
 
 'use strict';
 
-function JHRW(destination, lazyExecution)
+class JHRW
 {
-    if (typeof destination === 'undefined') {
-        throw new Error('Destination is a required parameter.');
-    }
+    /**
+     * Constructor
+     *
+     * @param string  destination The request's destination
+     * @param boolean lazyExecution If the request should be immediately initialized and sent
+     *
+     * @return object An instance of the JHRW class
+     * @throws Error If the destination parameter is undefined
+     */
+    constructor(destination, lazyExecution)
+    {
+        if (typeof destination === 'undefined') {
+            throw new Error('Destination is a required parameter.');
+        }
 
-    lazyExecution = typeof lazyExecution !== 'boolean' ? false : lazyExecution;
-
-    this.availableHandlers = [
-        'loadstart', 
-        'progress', 
-        'abort', 
-        'error', 
-        'load', 
-        'timeout', 
-        'loadend', 
-        'onreadystatechange'
-    ];
-
-    this.config = {
-        URI              : destination,
-        asynchronous     : true,
-        verb             : 'get',
-        data             : null,
-        requestHeaders   : {},
-        responseType     : 'text/plain',
-        handlers         : {'load': defaultHandler, 'error': defaultHandler},
-        attempts         : 0,
-        attemptInterval  : 3000,
-        timeout          : 5000
-    };
-
-    this.request = new XMLHttpRequest();
-
-    if (this.lazy === true) {
-        this.init();
-        this.send();
+        lazyExecution = typeof lazyExecution !== 'boolean' ? false : lazyExecution;
+
+        this.availableHandlers = [
+            'loadstart', 
+            'progress', 
+            'abort', 
+            'error', 
+            'load', 
+            'timeout', 
+            'loadend', 
+            'onreadystatechange'
+        ];
+
+        this.config = {
+            URI              : destination,
+            asynchronous     : true,
+            verb             : 'get',
+            data             : null,
+            requestHeaders   : {},
+            responseType     : 'text/plain',
+            handlers         : {'load': defaultHandler, 'error': defaultHandler},
+            attempts         : 0,
+            attemptInterval  : 3000,
+            timeout          : 5000
+        };
+
+        this.request = new XMLHttpRequest();
+
+        if (this.lazy === true) {
+            this.init();
+            this.send();
+        }
     }
 
-    this.configure = function (configureObject) {
-        for (let c in configureObject) {
-            if ((c in this.config) === false) {
+    /**
+     * Configure - Configure the various settings for the request
+     *
+     * @param object A configuration object (JSON)
+     *
+     * @return void
+     * @throws ReferenceError If a configuration index inside the configuration object is not defined by the class or
+     * if a handler defined in the configuration object is not made available.
+     */
+    configure(configureObject)
+    {
+        for (let configAttr in configureObject) {
+            if ((configAttr in this.config) === false) {
                 let configList = Object.getOwnPropertyNames(this.config).join("\n");
-                throw new ReferenceError(c + " is not a config attribute.\nAccepted config attributes:\n" + configList);
+                throw new ReferenceError(configAttr + " is not a config attribute.\nAccepted config attributes:\n" + configList);
             }
 
-            if (c === 'handlers') {
+            if (configAttr === 'handlers') {
                 for (let handler in configureObject.handlers) {
                     if (this.availableHandlers.includes(handler) === false) {
                         let handlerList = this.availableHandlers.join("\n");
@@ -65,14 +88,21 @@ function JHRW(destination, lazyExecution)
                     this.config.handlers[handler] = configureObject.handlers[handler];
                 }
             } else {
-                this.config[c] = configureObject[c];
+                this.config[configAttr] = configureObject[configAttr];
             }
         }
 
         return;
-    };
+    }
 
-    this.init = function () {
+    /**
+     * init - Initializes the Request object (overrides MimeType, adds event listeners for handlers, opens the request and sets
+     * the request headers, if available).
+     *
+     * @return void
+     */
+    init()
+    {
         this.request.overrideMimeType(this.config.responseType);
 
         for (let handler in this.config.handlers) {
@@ -85,11 +115,20 @@ function JHRW(destination, lazyExecution)
         for (let header in this.config.requestHeaders) {
             this.request.setRequestHeader(header, this.config.requestHeaders[header]);
         }
-    };
 
-    this.send = function () {
+        return;
+    }
+
+    /**
+     * send - Sends the request
+     *
+     * @return void
+     */
+    send()
+    {
         this.request.send(this.config.data);
-    };
+        return;
+    }
 }
 
 /**
diff --git a/src/example/requestTest.html b/src/example/requestTest.html
index be38d5a..d224c5b 100644
--- a/src/example/requestTest.html
+++ b/src/example/requestTest.html
@@ -2,11 +2,11 @@
 <html>
     <head>
         <meta charset="utf-8">
-        <title>JHRW - Request Tester</title>
+        <title>JHRW - Request Test Example</title>
     </head>
     <body>
         <input type="button" value="Click me!">
-        <script type="text/javascript" src="path/to/JHRW.js"></script>
+        <script type="text/javascript" src="../JHRW.js"></script>
         <script type="text/javascript">
         document.querySelector('input').onclick =  function () {
             try {