At '!' to list of chars that end at-words. Closes #105 (#107)

Author: jwilsson

lib/tokenizer/globals.js

@@ -24,7 +24,7 @@ export const tilde = '~'.charCodeAt(0);
 export const hash = '#'.charCodeAt(0);
 
 
-export const atEndPattern = /[ \n\t\r\f\{\(\)'"\\;/\[\]#]/g;
+export const atEndPattern = /[ \n\t\r\f\{\(\)'"\\;/\[\]#!]/g;
 export const wordEndPattern = /[ \n\t\r\f\(\)\{\}:,;@!'"\\\]\[#]|\/(?=\*)/g;
 export const badBracketPattern = /.[\\\/\("'\n]/;
 

test/tokenize.spec.js

@@ -188,5 +188,11 @@ describe('#tokenize()', () => {
     //     [ '}', '}', 1, 28 ]
     //   ]);
     // });
+    it('tokenizes @var next to !important separately', () => {
+      testTokens('@var!important', [
+        ['at-word', '@var', 1, 1, 1, 4],
+        ['word', '!important', 1, 5, 1, 14]
+      ]);
+    });
   });
 });