From fd177771af2fe654529b6d3a5289551f220ff31f Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Sat, 8 Jul 2017 00:20:19 -0400
Subject: [PATCH] remove unused code

---
 src/generators/Selector.ts | 29 ++++++++++++++++++++++++++-
 src/utils/css.ts           | 41 --------------------------------------
 src/validate/css/index.ts  | 40 -------------------------------------
 src/validate/index.ts      |  1 -
 4 files changed, 28 insertions(+), 83 deletions(-)
 delete mode 100644 src/utils/css.ts
 delete mode 100644 src/validate/css/index.ts

diff --git a/src/generators/Selector.ts b/src/generators/Selector.ts
index ee95236a39..bf01005114 100644
--- a/src/generators/Selector.ts
+++ b/src/generators/Selector.ts
@@ -1,5 +1,4 @@
 import MagicString from 'magic-string';
-import { groupSelectors } from '../utils/css';
 import { Validator } from '../validate/index';
 import { Node } from '../interfaces';
 
@@ -207,4 +206,32 @@ function unquote(str: string) {
 	if (str[0] === str[str.length - 1] && str[0] === "'" || str[0] === '"') {
 		return str.slice(1, str.length - 1);
 	}
+}
+
+function groupSelectors(selector: Node) {
+	let block = {
+		global: selector.children[0].type === 'PseudoClassSelector' && selector.children[0].name === 'global',
+		selectors: [],
+		combinator: null
+	};
+
+	const blocks = [block];
+
+	selector.children.forEach((child: Node, i: number) => {
+		if (child.type === 'WhiteSpace' || child.type === 'Combinator') {
+			const next = selector.children[i + 1];
+
+			block = {
+				global: next.type === 'PseudoClassSelector' && next.name === 'global',
+				selectors: [],
+				combinator: child
+			};
+
+			blocks.push(block);
+		} else {
+			block.selectors.push(child);
+		}
+	});
+
+	return blocks;
 }
\ No newline at end of file
diff --git a/src/utils/css.ts b/src/utils/css.ts
deleted file mode 100644
index b398956760..0000000000
--- a/src/utils/css.ts
+++ /dev/null
@@ -1,41 +0,0 @@
-import { Node } from '../interfaces';
-
-export function groupSelectors(selector: Node) {
-	let block = {
-		global: selector.children[0].type === 'PseudoClassSelector' && selector.children[0].name === 'global',
-		selectors: [],
-		combinator: null
-	};
-
-	const blocks = [block];
-
-	selector.children.forEach((child: Node, i: number) => {
-		if (child.type === 'WhiteSpace' || child.type === 'Combinator') {
-			const next = selector.children[i + 1];
-
-			block = {
-				global: next.type === 'PseudoClassSelector' && next.name === 'global',
-				selectors: [],
-				combinator: child
-			};
-
-			blocks.push(block);
-		} else {
-			block.selectors.push(child);
-		}
-	});
-
-	return blocks;
-}
-
-export function walkRules(nodes: Node[], callback: (node: Node) => void) {
-	nodes.forEach((node: Node) => {
-		if (node.type === 'Rule') {
-			callback(node);
-		} else if (node.type === 'Atrule') {
-			if (node.name === 'media' || node.name === 'supports' || node.name === 'document') {
-				walkRules(node.block.children, callback);
-			}
-		}
-	});
-}
\ No newline at end of file
diff --git a/src/validate/css/index.ts b/src/validate/css/index.ts
deleted file mode 100644
index 658b3631bb..0000000000
--- a/src/validate/css/index.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-import { groupSelectors, walkRules } from '../../utils/css';
-import { Validator } from '../index';
-import { Node } from '../../interfaces';
-
-export default function validateCss(validator: Validator, css: Node) {
-	walkRules(css.children, rule => {
-		rule.selector.children.forEach(validateSelector);
-	});
-
-	function validateSelector(selector: Node) {
-		const blocks = groupSelectors(selector);
-
-		blocks.forEach((block) => {
-			let i = block.selectors.length;
-			while (i-- > 1) {
-				const part = block.selectors[i];
-				if (part.type === 'PseudoClassSelector' && part.name === 'global') {
-					validator.error(`:global(...) must be the first element in a compound selector`, part.start);
-				}
-			}
-		});
-
-		let start = 0;
-		let end = blocks.length;
-
-		for (; start < end; start += 1) {
-			if (!blocks[start].global) break;
-		}
-
-		for (; end > start; end -= 1) {
-			if (!blocks[end - 1].global) break;
-		}
-
-		for (let i = start; i < end; i += 1) {
-			if (blocks[i].global) {
-				validator.error(`:global(...) can be at the start or end of a selector sequence, but not in the middle`, blocks[i].selectors[0].start);
-			}
-		}
-	}
-}
\ No newline at end of file
diff --git a/src/validate/index.ts b/src/validate/index.ts
index 4e5fe1caa4..00d9d649f0 100644
--- a/src/validate/index.ts
+++ b/src/validate/index.ts
@@ -1,5 +1,4 @@
 import validateJs from './js/index';
-import validateCss from './css/index';
 import validateHtml from './html/index';
 import { getLocator, Location } from 'locate-character';
 import getCodeFrame from '../utils/getCodeFrame';