Add :nth-child() features

Author: foolip

features/nth-child-of.dist.yml

@@ -0,0 +1,24 @@
+# Generated from: nth-child-of.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+name: ":nth-child() of <selector>"
+description: "The `:nth-child()` and `:nth-last-child()` CSS functional pseudo-class match TODO."
+spec:
+  - https://drafts.csswg.org/selectors/#the-nth-child-pseudo
+  - https://drafts.csswg.org/selectors/#the-nth-last-child-pseudo
+group: css
+caniuse: css-nth-child-of
+status:
+  baseline: low
+  baseline_low_date: 2023-05-09
+  support:
+    chrome: "111"
+    chrome_android: "111"
+    edge: "111"
+    firefox: "113"
+    firefox_android: "113"
+    safari: "9"
+    safari_ios: "9"
+compat_features:
+  - css.selectors.nth-child.of_syntax
+  - css.selectors.nth-last-child.of_syntax

features/nth-child-of.yml

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+name: ":nth-child() of <selector>"
+description: "The `:nth-child()` and `:nth-last-child()` CSS functional pseudo-class match TODO."
+spec:
+  - https://drafts.csswg.org/selectors/#the-nth-child-pseudo
+  - https://drafts.csswg.org/selectors/#the-nth-last-child-pseudo
+group: css
+caniuse: css-nth-child-of
+compat_features:
+  - css.selectors.nth-child.of_syntax
+  - css.selectors.nth-last-child.of_syntax

features/nth-child.dist.yml

@@ -0,0 +1,24 @@
+# Generated from: nth-child.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+name: ":nth-child() (initial support)"
+description: "The `:nth-child()` and `:nth-last-child()` CSS functional pseudo-class match TODO."
+spec:
+  - https://drafts.csswg.org/selectors/#the-nth-child-pseudo
+  - https://drafts.csswg.org/selectors/#the-nth-last-child-pseudo
+group: css
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "4"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "3.5"
+    firefox_android: "4"
+    safari: "3.1"
+    safari_ios: "2"
+compat_features:
+  - css.selectors.nth-child
+  - css.selectors.nth-last-child

features/nth-child.yml

@@ -0,0 +1,9 @@
+name: ":nth-child() (initial support)"
+description: "The `:nth-child()` and `:nth-last-child()` CSS functional pseudo-class match TODO."
+spec:
+  - https://drafts.csswg.org/selectors/#the-nth-child-pseudo
+  - https://drafts.csswg.org/selectors/#the-nth-last-child-pseudo
+group: css
+compat_features:
+  - css.selectors.nth-child
+  - css.selectors.nth-last-child