pass $gwx\d for #71

wuWxss.js

@@ -5,6 +5,9 @@ const {VM}=require('vm2');
 const cssbeautify=require('cssbeautify');
 const csstree=require('css-tree');
 function doWxss(dir,cb){
+	function GwxCfg(){}
+	GwxCfg.prototype={$gwx(){}};
+	for(let i=0;i<100;i++)GwxCfg.prototype["$gwx"+i]=GwxCfg.prototype.$gwx;
 	let runList={},pureData={},result={},actualPure={},importCnt={},frameName="",onlyTest=true,blockCss=[];//custom block css file which won't be imported by others.(no extension name)
 	function cssRebuild(data){//need to bind this as {cssFile:__name__} before call
 		let cssFile;
@@ -62,7 +65,7 @@ function doWxss(dir,cb){
 	}
 	function runVM(name,code){
 		let wxAppCode={},handle={cssFile:name};
-		let vm=new VM({sandbox:{$gwx(){},__wxAppCode__:wxAppCode,setCssToHead:cssRebuild.bind(handle)}});
+		let vm=new VM({sandbox:Object.assign(new GwxCfg(),{__wxAppCode__:wxAppCode,setCssToHead:cssRebuild.bind(handle)})});
 		vm.run(code);
 		for(let name in wxAppCode)if(name.endsWith(".wxss")){
 			handle.cssFile=path.resolve(frameName,"..",name);