feat: remove extra spaces in url inside @import (#3793)

src/language-css/clean.js

@@ -92,6 +92,12 @@ function clean(ast, newObj) {
       }
     );
   }
+
+  if (ast.type === "media-url") {
+    newObj.value = newObj.value
+      .replace(/^url\(\s+/gi, "url(")
+      .replace(/\s+\)$/gi, ")");
+  }
 }
 
 function cleanCSSStrings(value) {

src/language-css/printer-postcss.js

@@ -218,7 +218,10 @@ function genericPrint(path, options, print) {
       return adjustStrings(n.value, options);
     }
     case "media-url": {
-      return adjustStrings(n.value, options);
+      return adjustStrings(
+        n.value.replace(/^url\(\s+/gi, "url(").replace(/\s+\)$/gi, ")"),
+        options
+      );
     }
     case "media-unknown": {
       return adjustStrings(n.value, options);

tests/css_import/__snapshots__/jsfmt.spec.js.snap

@@ -63,6 +63,16 @@ $dir: 'fonts';
 @import 'rounded-corners', 'text-shadow';
 $family: unquote("Droid+Sans");
 @import url("http://fonts.googleapis.com/css?family=#{$family}");
+@import url( "foo.css");
+@import url("foo.css" );
+@import url( "foo.css" );
+@import url(  "foo.css"  );
+@import url("foo bar baz.css");
+@import url(  "foo bar baz.css"  );
+@import url("foo  bar  baz.css");
+@import url(
+"foo.css"
+);
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 @import url("foo");
 $dir: "fonts";
@@ -89,5 +99,13 @@ $dir: "fonts";
 @import "rounded-corners", "text-shadow";
 $family: unquote("Droid+Sans");
 @import url("http://fonts.googleapis.com/css?family=#{$family}");
+@import url("foo.css");
+@import url("foo.css");
+@import url("foo.css");
+@import url("foo.css");
+@import url("foo bar baz.css");
+@import url("foo bar baz.css");
+@import url("foo  bar  baz.css");
+@import url("foo.css");
 
 `;

tests/css_import/url.css

@@ -24,3 +24,13 @@ $dir: 'fonts';
 @import 'rounded-corners', 'text-shadow';
 $family: unquote("Droid+Sans");
 @import url("http://fonts.googleapis.com/css?family=#{$family}");
+@import url( "foo.css");
+@import url("foo.css" );
+@import url( "foo.css" );
+@import url(  "foo.css"  );
+@import url("foo bar baz.css");
+@import url(  "foo bar baz.css"  );
+@import url("foo  bar  baz.css");
+@import url(
+"foo.css"
+);