fix: items is not defined in each, close #107

Author: Scrum

lib/index.js

@@ -341,7 +341,14 @@ function walk (opts, nodes) {
 
       // parse the "loop" param
       const loopParams = parseLoopStatement(node.attrs.loop)
-      const target = vm.runInContext(loopParams.expression, ctx)
+      let target = {}
+      try {
+        target = vm.runInContext(loopParams.expression, ctx)
+      } catch (error) {
+        if (opts.strictMode) {
+          throw new SyntaxError(error)
+        }
+      }
 
       // handle additional syntax errors
       if (typeof target !== 'object') {