fix: callback in catch compileWxml

Author: anchengjian

lib/template-compiler/index.js

@@ -40,6 +40,7 @@ module.exports = function (html) {
     : compiler.compile
 
   var compiled = compile(html, compilerOptions)
+  var code
 
   // for mp => *.wxml
   compileWxml.call(this, compiled, html)
@@ -51,7 +52,6 @@ module.exports = function (html) {
         })
       }
 
-      var code
       if (compiled.errors && compiled.errors.length) {
         this.emitError(
           `\n  Error compiling template:\n${pad(html)}\n` +
@@ -94,6 +94,9 @@ module.exports = function (html) {
 
       this.callback(null, code)
     })
+    .catch(() => {
+      this.callback(null, code)
+    })
 }
 
 function toFunction (code) {