Merge branch 'prevent-stringified-undefined' of https://github.com/matthamil/redux-logic into matthamil-prevent-stringified-undefined

Author: jeffbski

src/createLogic.js

@@ -168,6 +168,10 @@ export default function createLogic(logicOptions = {}) {
     throw new Error('type is required, use \'*\' to match all actions');
   }
 
+  if (type === 'undefined') {
+    throw new Error('type is a string "undefined", check the logicOptions type field for a stringified undefined value');
+  }
+
   if (validate && transform) {
     throw new Error('logic cannot define both the validate and transform hooks they are aliases');
   }

test/createLogic.spec.js

@@ -19,6 +19,14 @@ describe('createLogic', () => {
         createLogic({});
       }).toThrow(/type.*required/);
     });
+
+    it('throws type cannot be "undefined" error', () => {
+      expect(() => {
+        createLogic({
+          type: `${undefined}`
+        });
+      }).toThrow(/type.*undefined/);
+    });
   });
 
   describe('warnTimeout', () => {