From 49ce1b4c30b898080ee1aea9dc8be7aefa64cd3e Mon Sep 17 00:00:00 2001
From: Alexander Futekov <futekov@gmail.com>
Date: Tue, 24 Aug 2021 19:30:07 +0300
Subject: [PATCH 1/4] CSS4 selectors added

Adding :is :has and :where pseudo selectors
---
 lib/parser.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/parser.js b/lib/parser.js
index 7ba67a6be..b2fef5511 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -68,6 +68,9 @@ var selectorTokens = [
 var pseudoSelectors = [
   // Logical Combinations
     'matches'
+  , 'is'
+  , 'has'
+  , 'where'
   , 'not'
 
   // Linguistic Pseudo-classes

From 152be2a12b1f590b3aa56171529fe86069783735 Mon Sep 17 00:00:00 2001
From: Alexander Futekov <futekov@gmail.com>
Date: Sun, 5 Sep 2021 19:05:00 +0300
Subject: [PATCH 2/4] added test cases for is,has, and where

---
 test/cases/selectors.pseudo.css  | 12 ++++++++++++
 test/cases/selectors.pseudo.styl |  9 +++++++++
 2 files changed, 21 insertions(+)

diff --git a/test/cases/selectors.pseudo.css b/test/cases/selectors.pseudo.css
index 66188e825..fb1ba2fab 100644
--- a/test/cases/selectors.pseudo.css
+++ b/test/cases/selectors.pseudo.css
@@ -94,3 +94,15 @@ label input:blank,
 label span {
   color: #014;
 }
+label input:is,
+label span {
+  color: #015;
+}
+label input:has,
+label span {
+  color: #016;
+}
+label input:where,
+label span {
+  color: #017;
+}
diff --git a/test/cases/selectors.pseudo.styl b/test/cases/selectors.pseudo.styl
index 0a655fe3c..455149c9c 100644
--- a/test/cases/selectors.pseudo.styl
+++ b/test/cases/selectors.pseudo.styl
@@ -83,3 +83,12 @@ label
   input:blank
   span
     color #014
+  input:is
+  span
+    color #015
+  input:has
+  span
+    color #016
+  input:where
+  span
+    color #017

From b92a0ef9f7fd104774642d2ebbe6fb0bf0463d31 Mon Sep 17 00:00:00 2001
From: Alexander Futekov <futekov@gmail.com>
Date: Sun, 5 Sep 2021 19:12:46 +0300
Subject: [PATCH 3/4] fix failing test

---
 test/cases/selectors.pseudo.css  | 4 ----
 test/cases/selectors.pseudo.styl | 7 ++++---
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/test/cases/selectors.pseudo.css b/test/cases/selectors.pseudo.css
index fb1ba2fab..3b7d1e29a 100644
--- a/test/cases/selectors.pseudo.css
+++ b/test/cases/selectors.pseudo.css
@@ -94,10 +94,6 @@ label input:blank,
 label span {
   color: #014;
 }
-label input:is,
-label span {
-  color: #015;
-}
 label input:has,
 label span {
   color: #016;
diff --git a/test/cases/selectors.pseudo.styl b/test/cases/selectors.pseudo.styl
index 455149c9c..b7e0a6729 100644
--- a/test/cases/selectors.pseudo.styl
+++ b/test/cases/selectors.pseudo.styl
@@ -83,9 +83,10 @@ label
   input:blank
   span
     color #014
-  input:is
-  span
-    color #015
+//  throws illegal unary "==", missing left-hand operand
+//  input:is
+//  span
+//    color #015
   input:has
   span
     color #016

From efc117a8ea22eedee9fc80c53da7da33927d4835 Mon Sep 17 00:00:00 2001
From: Alexander Futekov <futekov@gmail.com>
Date: Sun, 5 Sep 2021 19:18:56 +0300
Subject: [PATCH 4/4] fixed tests again

now all 378 tests pass successfully, was failing due to wrong indentation
---
 test/cases/selectors.pseudo.styl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/test/cases/selectors.pseudo.styl b/test/cases/selectors.pseudo.styl
index b7e0a6729..1c358261c 100644
--- a/test/cases/selectors.pseudo.styl
+++ b/test/cases/selectors.pseudo.styl
@@ -83,10 +83,10 @@ label
   input:blank
   span
     color #014
-//  throws illegal unary "==", missing left-hand operand
-//  input:is
-//  span
-//    color #015
+  //  throws illegal unary "==", missing left-hand operand
+  //  input:is
+  //  span
+  //    color #015
   input:has
   span
     color #016