Closes #618, #2599 Added simple options for including 'async' or 'def…

…er' when using e107::js('header') and/or e107::js('footer').

Usage example: e107::js('footer', 'https://www.google.com/recaptcha/api.js?hl=en', ['defer','async']);

e107_handlers/js_manager.php

@@ -951,6 +951,10 @@ protected function addJs($type, $file_path, $runtime_location = '', $opts = arra
 		// e107 Core Minimum should function independently of framework. 
 		// ie. e107 Core Minimum: JS similar to e107 v1.0 should be loaded  "e_js.php" (no framwork dependency) 
 		// with basic functions like SyncWithServerTime() and expandit(), externalLinks() etc. 
+		if(empty($opts))
+		{
+			$opts = [];
+		}
 
 		$pre = !empty($opts['pre']) ? $opts['pre'] : '';
 		$post = !empty($opts['post']) ? $opts['post'] : '';
@@ -1105,11 +1109,16 @@ protected function addJs($type, $file_path, $runtime_location = '', $opts = arra
 					$post
 				];
 
-				if(!empty($opts['defer']))
+				if(isset($opts['defer']) || in_array('defer', $opts, true))
 				{
 					$info[] = 'defer';
 				}
 
+				if(!empty($opts['async']) || in_array('async', $opts, true))
+				{
+					$info[] = 'async';
+				}
+
 				$file_path = implode($this->_sep, $info);
 				$zone = (int) $runtime_location;
 
@@ -1134,11 +1143,16 @@ protected function addJs($type, $file_path, $runtime_location = '', $opts = arra
 					$post
 				];
 
-				if(!empty($opts['defer']))
+				if(isset($opts['defer']) || in_array('defer', $opts, true))
 				{
 					$info[] = 'defer';
 				}
 
+				if(!empty($opts['async']) || in_array('async', $opts, true))
+				{
+					$info[] = 'async';
+				}
+
 				$file_path = implode($this->_sep, $info);
 
 				$zone = (int) $runtime_location;
@@ -1531,7 +1545,7 @@ public function renderFile($file_path_array, $external = false, $label = '', $mo
 				if($pre) $pre .= "\n";
 				$post = varset($path[2], '');
 				if($post) $post = "\n".$post;
-				$inline = isset($path[3]) ? $path[3] : '';
+				$inline = isset($path[3]) ? str_replace($this->_sep, ' ',$path[3]) : '';
 				if($inline) $inline = " ".$inline;
 				$path = $path[0];
 

e107_tests/tests/unit/e_jsmanagerTest.php

@@ -191,6 +191,11 @@ public function testHeaderFile()
 					'zone' => 3,
 					'opts'  => array('defer'=>true)
 				),
+				4 => array(
+					'file'  => 'https://somewhere/async.js',
+					'zone' => 4,
+					'opts'  => array('defer', 'async')
+				),
 
 
 			);
@@ -210,6 +215,10 @@ public function testHeaderFile()
 			$this->assertStringContainsString('<script type="text/javascript" src="https://somewhere/something.min.js" defer></script>', $result);
 			$this->assertStringContainsString('zone #3', $result);
 
+			$result = $this->js->renderJs('header', 4, true, true);
+			$this->assertStringContainsString('<script type="text/javascript" src="https://somewhere/async.js" defer async></script>', $result);
+			$this->assertStringContainsString('zone #4', $result);
+
 		}
 
 		public function testFooterFile()
@@ -237,6 +246,12 @@ public function testFooterFile()
 					'opts'  => array('defer'=>true)
 				),
 
+				4 => array(
+					'file'  => 'https://somewhere/async.js',
+					'zone' => 4,
+					'opts'  => array('defer', 'async')
+				),
+
 
 			);
 
@@ -255,6 +270,10 @@ public function testFooterFile()
 			$this->assertStringContainsString('<script type="text/javascript" src="https://somewhere/something.min.js" defer></script>', $result);
 			$this->assertStringContainsString('priority #3', $result);
 
+			$result = $this->js->renderJs('footer', 4, true, true);
+			$this->assertStringContainsString('<script type="text/javascript" src="https://somewhere/async.js" defer async></script>', $result);
+			$this->assertStringContainsString('priority #4', $result);
+
 		}
 /*
 		public function testSetDependency()