fix: url with a trailing space is now handled correctly (#494)

Author: evilebottnawi

lib/processCss.js

@@ -156,6 +156,8 @@ module.exports = function processCss(inputSource, inputMap, options, callback) {
 			mode: options.mode,
 			rewriteUrl: function(global, url) {
 				if(parserOptions.url){
+					url = url.trim(" ");
+
 					if(!loaderUtils.isUrlRequest(url, root)) {
 						return url;
 					}

test/urlTest.js

@@ -12,12 +12,15 @@ describe("url", function() {
 	test("background img 3", ".class { background: green url( 'img.png' ) xyz }", [
 		[1, ".class { background: green url({./img.png}) xyz }", ""]
 	]);
-	test("background img contain space in name", ".class { background: green url( \"img img.png\" ) xyz }", [
-		[1, ".class { background: green url(\"{./img img.png}\") xyz }", ""]
-	]);
-	test("background 2 img contain space in name", ".class { background: green url( 'img img.png' ) xyz }", [
-		[1, ".class { background: green url('{./img img.png}') xyz }", ""]
+	test("background img 4", ".class { background: green url( img.png ) xyz }", [
+		[1, ".class { background: green url({./img.png}) xyz }", ""]
 	]);
+    test("background img contain space in name", ".class { background: green url( \"img img.png\" ) xyz }", [
+        [1, ".class { background: green url(\"{./img img.png}\") xyz }", ""]
+    ]);
+    test("background 2 img contain space in name", ".class { background: green url( 'img img.png' ) xyz }", [
+        [1, ".class { background: green url('{./img img.png}') xyz }", ""]
+    ]);
 	test("background img absolute", ".class { background: green url(/img.png) xyz }", [
 		[1, ".class { background: green url(/img.png) xyz }", ""]
 	]);
@@ -77,6 +80,9 @@ describe("url", function() {
 	test("background img 3 with url", ".class { background: green url( 'img.png' ) xyz }", [
 		[1, ".class { background: green url( 'img.png' ) xyz }", ""]
 	], "?-url");
+	test("background img 4 with url", ".class { background: green url( img.png ) xyz }", [
+		[1, ".class { background: green url( img.png ) xyz }", ""]
+	], "?-url");
 	test("background img with url contain space in name", ".class { background: green url( \"img img.png\" ) xyz }", [
 		[1, ".class { background: green url( \"img img.png\" ) xyz }", ""]
 	], "?-url");