fix(package): update postcss-selector-parser to version 4.0.0

Author: greenkeeper[bot]

lib/unprefixSelector.js

@@ -12,28 +12,28 @@ const PSEUDO_MAP = {
 function unprefixSelector (selector) {
 	let fixed;
 	selector = parser((selectors) => {
-		selectors.walk((selector) => {
-			const value = /^(?::+)-\w+-(\w+(-\w+)*)$/.exec(selector.value);
+		selectors.walkPseudos((pseudo) => {
+			let value = /^(?::+)-\w+-(\w+(-\w+)*)$/.exec(pseudo.value);
 			if (!value) {
 				return;
 			}
 			let start;
-			let pseudo = value[1].toLowerCase();
-			pseudo = PSEUDO_MAP[pseudo] || pseudo;
-			if (pseudoClasses.indexOf(pseudo) >= 0) {
+			value = value[1].toLowerCase();
+			value = PSEUDO_MAP[value] || value;
+			if (pseudoClasses.indexOf(value) >= 0) {
 				start = ":";
-			} else if (pseudoElements.indexOf(pseudo) >= 0) {
+			} else if (pseudoElements.indexOf(value) >= 0) {
 				start = "::";
 			} else {
-				return;
+				return pseudo;
 			}
-			selector.value = start + pseudo;
+			pseudo.value = start + value;
 			fixed = true;
 		});
-	}).processSync(selector);
+	}).processSync(selector).toString();
 
 	return {
-		fixed: fixed,
+		fixed: fixed || false,
 		toString: function () {
 			return removeExtraSelector(selector);
 		},

package.json

@@ -8,7 +8,7 @@
     "known-css-properties": "^0.6.1",
     "normalize-range": "^0.1.2",
     "postcss": "^6.0.19",
-    "postcss-selector-parser": "^3.1.1",
+    "postcss-selector-parser": "^4.0.0",
     "postcss-value-parser": "^3.3.0",
     "pseudo-classes": "^1.0.0",
     "pseudo-elements": "^1.1.0"