Undo use strict so as to allow arguments.callee to determine origin paths

Author: brettz9

.gitignore

@@ -0,0 +1 @@
+/node_modules/*

lib/XMLHttpRequest.js

@@ -1,4 +1,4 @@
-/*jslint node:true, vars:true, todo:true, stupid:true, regexp:true*/
+/*jslint node:true, vars:true, todo:true, stupid:true, regexp:true, sloppy: true*/
 /**
  * Wrapper for built-in http.js to emulate the browser XMLHttpRequest object.
  *
@@ -12,12 +12,14 @@
  * @license MIT
  */
 
+require('array.prototype.find');
+require('string.prototype.includes');
+
 var Url = require("url")
   , spawn = require("child_process").spawn
   , fs = require('fs');
 
 exports.XMLHttpRequest = function() {
-  'use strict';
   /**
    * Private variables
    */
@@ -293,6 +295,17 @@ exports.XMLHttpRequest = function() {
     var ssl = false, local = false;
     var url = Url.parse(settings.url);
     var host;
+
+    function getStack () {
+      var orig = Error.prepareStackTrace;
+      Error.prepareStackTrace = function(_, stack){ return stack; };
+      var err = new Error();
+      Error.captureStackTrace(err, arguments.callee);
+      var stack = err.stack;
+      Error.prepareStackTrace = orig;
+      return stack;
+    }
+
     // Determine the server
     switch (url.protocol) {
       case 'https:':
@@ -310,7 +323,23 @@ exports.XMLHttpRequest = function() {
       case undefined:
       case null:
       case '':
-        host = "localhost";
+        var stack = getStack();
+        var path = require('path');
+        var basePath = path.dirname(stack.reverse().find(function (item) {
+          var filename = item.getFileName();
+          var idx = filename.search(/[\/\\]node_modules[\/\\]/);
+          if (idx === -1) { // Should be a user file, as a node executable like nodeunit ought to have node_modules in the path
+            return true;
+          }
+          // Should be a user file because its last "node_modules" contains this XMLHttpRequest file (i.e., XMLHttpRequest is a dependency of some kind)
+          if (__dirname.includes(filename.slice(0, idx))) {
+            return true;
+          }
+          return false;
+        }).getFileName());
+        var pathName = path.resolve(basePath, settings.url);
+        url = {pathname: pathName};
+        local = true;
         break;
 
       default:

package.json

@@ -19,6 +19,10 @@
 , "engines": {
     "node": ">=0.4.0"
   }
+, "dependencies": {
+    "array.prototype.find": "1.x"
+  , "string.prototype.includes": "1.x"
+  }
 , "directories": {
     "lib": "./lib"
   , "example": "./example"