From d937c14f4acac044cbefe551296860fdea295622 Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 12:28:11 +0100
Subject: [PATCH 01/10] Standalone keys: Add illustrative deserialization test
 case

---
 unit/unit.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/unit/unit.js b/unit/unit.js
index 52ca44f..bd7f91a 100644
--- a/unit/unit.js
+++ b/unit/unit.js
@@ -478,6 +478,15 @@ test( 'jQuery.deparam - pre-1.4-style params', function() {
   same( $.deparam( params_str, true ), params_obj_coerce, '$.deparam( String, true )' );
 });
 
+test( 'jQuery.deparam - standalone keys', function() {
+  var params_str = 'a=1&a&b=2&c=3&c=undefined&c=&d&e[a]=4&e[b]&e[c]=',
+    params_obj = { a:['1',''], b:'2', c:['3','undefined',''], d:'', e:{a:'4',b:'',c:''} },
+    params_obj_coerce = { a:[1,null], b:2, c:[3,undefined,''], d:null, e:{a:4,b:null,c:''} };
+
+  same( $.deparam( params_str, false ), params_obj, '$.deparam( String, false )' );
+  same( $.deparam( params_str, true ), params_obj_coerce, '$.deparam( String, true )' );
+});
+
 test( 'jQuery.deparam.querystring', function() {
   expect( 12 );
   

From a7c286decab658eeece921b6dc83aa51e93ccec4 Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 13:46:39 +0100
Subject: [PATCH 02/10] Standalone keys: Expand test cases to include
 backwards-compatibility

---
 unit/unit.js | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/unit/unit.js b/unit/unit.js
index bd7f91a..07d0bf5 100644
--- a/unit/unit.js
+++ b/unit/unit.js
@@ -479,12 +479,21 @@ test( 'jQuery.deparam - pre-1.4-style params', function() {
 });
 
 test( 'jQuery.deparam - standalone keys', function() {
-  var params_str = 'a=1&a&b=2&c=3&c=undefined&c=&d&e[a]=4&e[b]&e[c]=',
-    params_obj = { a:['1',''], b:'2', c:['3','undefined',''], d:'', e:{a:'4',b:'',c:''} },
-    params_obj_coerce = { a:[1,null], b:2, c:[3,undefined,''], d:null, e:{a:4,b:null,c:''} };
+  var params_str = 'a=1&a&b=2&c=3&c=undefined&c=&d&e[a]=4&e[b]&e[c]=';
 
-  same( $.deparam( params_str, false ), params_obj, '$.deparam( String, false )' );
-  same( $.deparam( params_str, true ), params_obj_coerce, '$.deparam( String, true )' );
+  // Backwards-compatibility test cases
+  var bc_params_obj = { a:'', b:'2', c:['3','undefined',''], d:'', e:{a:'4',c:''}, 'e[b]': '' },
+      bc_params_obj_coerce = { a:undefined, b:2, c:[3,undefined,''], d:undefined, e:{a:4,c:''}, 'e[b]': undefined };
+
+  // Intended-behaviour test cases
+  var params_obj = { a:['1',''], b:'2', c:['3','undefined',''], d:'', e:{a:'4',b:'',c:''} },
+      params_obj_coerce = { a:[1,null], b:2, c:[3,undefined,''], d:null, e:{a:4,b:null,c:''} };
+
+  expect( 4 );
+  same( $.deparam( params_str, false ), bc_params_obj, '$.deparam( String, false )' );
+  same( $.deparam( params_str, true ), bc_params_obj_coerce, '$.deparam( String, true )' );
+  same( $.deparam( params_str, false, true ), params_obj, '$.deparam( String, false, true )' );
+  same( $.deparam( params_str, true, true ), params_obj_coerce, '$.deparam( String, true, true )' );
 });
 
 test( 'jQuery.deparam.querystring', function() {

From 8f10005c92d4971e184cc54fe749948d4eab467b Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 14:34:35 +0100
Subject: [PATCH 03/10] Standalone keys: Add standaloneKeys parameter (with
 no-op implementation)

---
 jquery.ba-bbq.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/jquery.ba-bbq.js b/jquery.ba-bbq.js
index 3a5995d..b3117ea 100644
--- a/jquery.ba-bbq.js
+++ b/jquery.ba-bbq.js
@@ -451,19 +451,22 @@
   // 
   // Usage:
   // 
-  // > jQuery.deparam( params [, coerce ] );
+  // > jQuery.deparam( params [, coerce, standaloneKeys ] );
   // 
   // Arguments:
   // 
   //  params - (String) A params string to be parsed.
   //  coerce - (Boolean) If true, coerces any numbers or true, false, null, and
   //    undefined to their actual value. Defaults to false if omitted.
+  //  standaloneKeys - (Boolean) If true, keys without values are allowed in
+  //    the input string, and will be returned as null.  Defaults to false if
+  //    omitted.
   // 
   // Returns:
   // 
   //  (Object) An object representing the deserialized params string.
   
-  $.deparam = jq_deparam = function( params, coerce ) {
+  $.deparam = jq_deparam = function( params, coerce, standaloneKeys ) {
     var obj = {},
       coerce_types = { 'true': !0, 'false': !1, 'null': null };
     

From 3eb3ced45139999145da708fe725af39b2601da4 Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 14:38:28 +0100
Subject: [PATCH 04/10] Standalone keys: Add coercion-to-null when
 standaloneKeys is enabled

---
 jquery.ba-bbq.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/jquery.ba-bbq.js b/jquery.ba-bbq.js
index b3117ea..9d19866 100644
--- a/jquery.ba-bbq.js
+++ b/jquery.ba-bbq.js
@@ -550,7 +550,9 @@
       } else if ( key ) {
         // No value was defined, so set something meaningful.
         obj[key] = coerce
-          ? undefined
+          ? standaloneKeys
+            ? null
+            : undefined
           : '';
       }
     });

From 2fa07ed104f6b608300f25e6bdea9db2521522b9 Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 14:46:54 +0100
Subject: [PATCH 05/10] Standalone keys: Relocate logic block

---
 jquery.ba-bbq.js | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/jquery.ba-bbq.js b/jquery.ba-bbq.js
index 9d19866..79b3a31 100644
--- a/jquery.ba-bbq.js
+++ b/jquery.ba-bbq.js
@@ -500,7 +500,16 @@
       }
       
       // Are we dealing with a name=value pair, or just a name?
-      if ( param.length === 2 ) {
+      if ( param.length === 1 && key ) {
+        // No value was defined, so set something meaningful.
+        val = coerce
+          ? standaloneKeys
+            ? null
+            : undefined
+          : '';
+      }
+
+      else if ( param.length === 2 ) {
         val = decode( param[1] );
         
         // Coerce values.
@@ -510,6 +519,7 @@
             : coerce_types[val] !== undefined ? coerce_types[val] // true, false, null
             : val;                                                // string
         }
+      }
         
         if ( keys_last ) {
           // Complex key, build deep object structure based on a few rules:
@@ -528,7 +538,7 @@
               : val;
           }
           
-        } else {
+        } else if ( key ) {
           // Simple key, even simpler rules, since only scalars and shallow
           // arrays are allowed.
           
@@ -546,15 +556,6 @@
             obj[key] = val;
           }
         }
-        
-      } else if ( key ) {
-        // No value was defined, so set something meaningful.
-        obj[key] = coerce
-          ? standaloneKeys
-            ? null
-            : undefined
-          : '';
-      }
     });
     
     return obj;

From b94ec7c32c9bc5af0264843bbb5e28c7399792fc Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 15:21:05 +0100
Subject: [PATCH 06/10] Standalone keys: Implement backwards-compatibility fix

---
 jquery.ba-bbq.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/jquery.ba-bbq.js b/jquery.ba-bbq.js
index 79b3a31..7b1578b 100644
--- a/jquery.ba-bbq.js
+++ b/jquery.ba-bbq.js
@@ -507,6 +507,14 @@
             ? null
             : undefined
           : '';
+
+        if (!standaloneKeys) {
+          // Backwards-compatibility:
+          // * Prior to the introduction of the standaloneKeys parameter, keys
+          //   without corresponding values would result in an undefined entry
+          keys_last = false;
+          obj[key] = undefined;
+        }
       }
 
       else if ( param.length === 2 ) {

From f8c0a8c47db28cf34225376b07764174936c434c Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 15:48:52 +0100
Subject: [PATCH 07/10] Standalone keys: indenting and whitespace cleanup

---
 jquery.ba-bbq.js | 70 ++++++++++++++++++++++++------------------------
 1 file changed, 35 insertions(+), 35 deletions(-)

diff --git a/jquery.ba-bbq.js b/jquery.ba-bbq.js
index 7b1578b..34eda8a 100644
--- a/jquery.ba-bbq.js
+++ b/jquery.ba-bbq.js
@@ -528,42 +528,42 @@
             : val;                                                // string
         }
       }
-        
-        if ( keys_last ) {
-          // Complex key, build deep object structure based on a few rules:
-          // * The 'cur' pointer starts at the object top-level.
-          // * [] = array push (n is set to array length), [n] = array if n is 
-          //   numeric, otherwise object.
-          // * If at the last keys part, set the value.
-          // * For each keys part, if the current level is undefined create an
-          //   object or array based on the type of the next keys part.
-          // * Move the 'cur' pointer to the next level.
-          // * Rinse & repeat.
-          for ( ; i <= keys_last; i++ ) {
-            key = keys[i] === '' ? cur.length : keys[i];
-            cur = cur[key] = i < keys_last
-              ? cur[key] || ( keys[i+1] && isNaN( keys[i+1] ) ? {} : [] )
-              : val;
-          }
-          
-        } else if ( key ) {
-          // Simple key, even simpler rules, since only scalars and shallow
-          // arrays are allowed.
-          
-          if ( $.isArray( obj[key] ) ) {
-            // val is already an array, so push on the next value.
-            obj[key].push( val );
-            
-          } else if ( obj[key] !== undefined ) {
-            // val isn't an array, but since a second value has been specified,
-            // convert val into an array.
-            obj[key] = [ obj[key], val ];
-            
-          } else {
-            // val is a scalar.
-            obj[key] = val;
-          }
+
+      if ( keys_last ) {
+        // Complex key, build deep object structure based on a few rules:
+        // * The 'cur' pointer starts at the object top-level.
+        // * [] = array push (n is set to array length), [n] = array if n is
+        //   numeric, otherwise object.
+        // * If at the last keys part, set the value.
+        // * For each keys part, if the current level is undefined create an
+        //   object or array based on the type of the next keys part.
+        // * Move the 'cur' pointer to the next level.
+        // * Rinse & repeat.
+        for ( ; i <= keys_last; i++ ) {
+          key = keys[i] === '' ? cur.length : keys[i];
+          cur = cur[key] = i < keys_last
+            ? cur[key] || ( keys[i+1] && isNaN( keys[i+1] ) ? {} : [] )
+            : val;
         }
+
+      } else if ( key ) {
+        // Simple key, even simpler rules, since only scalars and shallow
+        // arrays are allowed.
+
+        if ( $.isArray( obj[key] ) ) {
+          // val is already an array, so push on the next value.
+          obj[key].push( val );
+
+        } else if ( obj[key] !== undefined ) {
+          // val isn't an array, but since a second value has been specified,
+          // convert val into an array.
+          obj[key] = [ obj[key], val ];
+
+        } else {
+          // val is a scalar.
+          obj[key] = val;
+        }
+      }
     });
     
     return obj;

From 56423ed310ee1b322da72dff8a6295ae257084e4 Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 15:52:13 +0100
Subject: [PATCH 08/10] Standalone params: Restore original params.length
 conditional block ordering

---
 jquery.ba-bbq.js | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/jquery.ba-bbq.js b/jquery.ba-bbq.js
index 34eda8a..73d5699 100644
--- a/jquery.ba-bbq.js
+++ b/jquery.ba-bbq.js
@@ -500,7 +500,19 @@
       }
       
       // Are we dealing with a name=value pair, or just a name?
-      if ( param.length === 1 && key ) {
+      if ( param.length === 2 ) {
+        val = decode( param[1] );
+        
+        // Coerce values.
+        if ( coerce ) {
+          val = val && !isNaN(val)            ? +val              // number
+            : val === 'undefined'             ? undefined         // undefined
+            : coerce_types[val] !== undefined ? coerce_types[val] // true, false, null
+            : val;                                                // string
+        }
+      }
+
+      else if ( param.length === 1 && key ) {
         // No value was defined, so set something meaningful.
         val = coerce
           ? standaloneKeys
@@ -517,18 +529,6 @@
         }
       }
 
-      else if ( param.length === 2 ) {
-        val = decode( param[1] );
-        
-        // Coerce values.
-        if ( coerce ) {
-          val = val && !isNaN(val)            ? +val              // number
-            : val === 'undefined'             ? undefined         // undefined
-            : coerce_types[val] !== undefined ? coerce_types[val] // true, false, null
-            : val;                                                // string
-        }
-      }
-
       if ( keys_last ) {
         // Complex key, build deep object structure based on a few rules:
         // * The 'cur' pointer starts at the object top-level.

From 025ccd65d3cda3a8ea1d30e314f96a515bfad336 Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 16:28:06 +0100
Subject: [PATCH 09/10] Standalone params: Nitpick: key-value spacing in tests

---
 unit/unit.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/unit/unit.js b/unit/unit.js
index 07d0bf5..8136cb5 100644
--- a/unit/unit.js
+++ b/unit/unit.js
@@ -482,8 +482,8 @@ test( 'jQuery.deparam - standalone keys', function() {
   var params_str = 'a=1&a&b=2&c=3&c=undefined&c=&d&e[a]=4&e[b]&e[c]=';
 
   // Backwards-compatibility test cases
-  var bc_params_obj = { a:'', b:'2', c:['3','undefined',''], d:'', e:{a:'4',c:''}, 'e[b]': '' },
-      bc_params_obj_coerce = { a:undefined, b:2, c:[3,undefined,''], d:undefined, e:{a:4,c:''}, 'e[b]': undefined };
+  var bc_params_obj = { a:'', b:'2', c:['3','undefined',''], d:'', e:{a:'4',c:''}, 'e[b]':'' },
+      bc_params_obj_coerce = { a:undefined, b:2, c:[3,undefined,''], d:undefined, e:{a:4,c:''}, 'e[b]':undefined };
 
   // Intended-behaviour test cases
   var params_obj = { a:['1',''], b:'2', c:['3','undefined',''], d:'', e:{a:'4',b:'',c:''} },

From 950bfc1780af97e0753172c99184863d29dbc3e8 Mon Sep 17 00:00:00 2001
From: James Addison <jay@jp-hosting.net>
Date: Wed, 6 May 2020 18:29:11 +0100
Subject: [PATCH 10/10] Standalone keys: Run 'yui-compressor jquery.ba-bbq.js
 --preserve-semi -o jquery.ba-bbq.min.js' (v2.4.8)

---
 jquery.ba-bbq.min.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/jquery.ba-bbq.min.js b/jquery.ba-bbq.min.js
index 80de36f..2c82fd6 100644
--- a/jquery.ba-bbq.min.js
+++ b/jquery.ba-bbq.min.js
@@ -1,4 +1,4 @@
-/*
+/*!
  * jQuery BBQ: Back Button & Query Library - v1.3pre - 8/26/2010
  * http://benalman.com/projects/jquery-bbq-plugin/
  * 
@@ -6,8 +6,8 @@
  * Dual licensed under the MIT and GPL licenses.
  * http://benalman.com/about/license/
  */
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-/*
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