External Libraries: Update the Backbone.js library to version 1.6.0.

This updates the `backbone` library from version `1.5.0` to `1.6.0`. This is a minor bug fix release.

The full list of changes can be found in the Backbone.js change log: https://backbonejs.org/#changelog.

Props manooweb mardroid.
Fixes #60512.
Built from https://develop.svn.wordpress.org/trunk@58872


git-svn-id: http://core.svn.wordpress.org/trunk@58268 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/backbone.js

@@ -1,6 +1,6 @@
-//     Backbone.js 1.5.0
+//     Backbone.js 1.6.0
 
-//     (c) 2010-2022 Jeremy Ashkenas and DocumentCloud
+//     (c) 2010-2024 Jeremy Ashkenas and DocumentCloud
 //     Backbone may be freely distributed under the MIT license.
 //     For all details and documentation:
 //     http://backbonejs.org
@@ -44,7 +44,7 @@
   var slice = Array.prototype.slice;
 
   // Current version of the library. Keep in sync with `package.json`.
-  Backbone.VERSION = '1.5.0';
+  Backbone.VERSION = '1.6.0';
 
   // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
   // the `$` variable.
@@ -1085,7 +1085,7 @@
       var success = options.success;
       options.success = function(m, resp, callbackOpts) {
         if (wait) {
-          m.off('error', this._forwardPristineError, this);
+          m.off('error', collection._forwardPristineError, collection);
           collection.add(m, callbackOpts);
         }
         if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
@@ -1985,7 +1985,10 @@
         current = this.getHash(this.iframe.contentWindow);
       }
 
-      if (current === this.fragment) return false;
+      if (current === this.fragment) {
+        if (!this.matchRoot()) return this.notfound();
+        return false;
+      }
       if (this.iframe) this.navigate(current);
       this.loadUrl();
     },
@@ -1995,14 +1998,22 @@
     // returns `false`.
     loadUrl: function(fragment) {
       // If the root doesn't match, no routes can match either.
-      if (!this.matchRoot()) return false;
+      if (!this.matchRoot()) return this.notfound();
       fragment = this.fragment = this.getFragment(fragment);
       return _.some(this.handlers, function(handler) {
         if (handler.route.test(fragment)) {
           handler.callback(fragment);
           return true;
         }
-      });
+      }) || this.notfound();
+    },
+
+    // When no route could be matched, this method is called internally to
+    // trigger the `'notfound'` event. It returns `false` so that it can be used
+    // in tail position.
+    notfound: function() {
+      this.trigger('notfound');
+      return false;
     },
 
     // Save a fragment into the hash history, or replace the URL state if the
@@ -2133,5 +2144,12 @@
     };
   };
 
+  // Provide useful information when things go wrong. This method is not meant
+  // to be used directly; it merely provides the necessary introspection for the
+  // external `debugInfo` function.
+  Backbone._debug = function() {
+    return {root: root, _: _};
+  };
+
   return Backbone;
 });

wp-includes/script-loader.php

@@ -1040,7 +1040,7 @@ function wp_default_scripts( $scripts ) {
 	did_action( 'init' ) && $scripts->add_data( 'json2', 'conditional', 'lt IE 8' );
 
 	$scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.13.4', 1 );
-	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore', 'jquery' ), '1.5.0', 1 );
+	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore', 'jquery' ), '1.6.0', 1 );
 
 	$scripts->add( 'wp-util', "/wp-includes/js/wp-util$suffix.js", array( 'underscore', 'jquery' ), false, 1 );
 	did_action( 'init' ) && $scripts->localize(

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58871';
+$wp_version = '6.7-alpha-58872';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.