Fix new regex to consume optional trailing semicolon after require()

Author: dhharker

__tests__/index.spec.js

@@ -107,7 +107,7 @@ describe('js-to-styles-vars-loader', () => {
             operator.mergeVarsToContent(content, context, 'less')
 
             expect(trimmer(operator.mergeVarsToContent(content, context, 'less'))).toEqual(trimmer(`
-              @white: #fff; @black: #000; ; .someClass { color: #fff;}
+              @white: #fff; @black: #000; .someClass { color: #fff;}
             `));
         });
 

index.js

@@ -2,7 +2,7 @@ const path = require('path');
 const decache = require('decache');
 const squba = require('squba')
 
-const requireReg = /require\s*\((["'])([\w.\/]+)(?:\1)\)((?:\.[\w_-]+)*)/igm;
+const requireReg = /require\s*\((["'])([\w.\/]+)(?:\1)\)((?:\.[\w_-]+)*);?/igm;
 
 const operator = {