From 642f9cc7e7f301d388b0be642bd685a9b67f9b71 Mon Sep 17 00:00:00 2001
From: John Blackbourn <johnbillion@git.wordpress.org>
Date: Thu, 20 Nov 2014 05:17:42 +0000
Subject: [PATCH] Apply a filter to the `<script>` tag for enqueued scripts in
 the same way a filter is applied to the `<link>` tag for enqueued styles.

Fixes #13592
Props quietnic, MikeHansenMe


git-svn-id: https://develop.svn.wordpress.org/trunk@30403 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/class.wp-scripts.php | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/wp-includes/class.wp-scripts.php b/src/wp-includes/class.wp-scripts.php
index af89f77acc..b0077a28a2 100644
--- a/src/wp-includes/class.wp-scripts.php
+++ b/src/wp-includes/class.wp-scripts.php
@@ -138,10 +138,24 @@ class WP_Scripts extends WP_Dependencies {
 		if ( ! $src )
 			return true;
 
-		if ( $this->do_concat )
-			$this->print_html .= "<script type='text/javascript' src='$src'></script>\n";
-		else
-			echo "<script type='text/javascript' src='$src'></script>\n";
+		$tag = "<script type='text/javascript' src='$src'></script>\n";
+
+		/** 
+		 * Filter the HTML script tag of an enqueued script.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param string $tag    The `<script>` tag for the enqueued script.
+		 * @param string $handle The script's registered handle.
+		 * @param string $src    The script's source URL.
+		 */
+		$tag = apply_filters( 'script_loader_tag', $tag, $handle, $src );
+
+		if ( $this->do_concat ) {
+			$this->print_html .= $tag;
+		} else {
+			echo $tag;
+		}
 
 		return true;
 	}