Update lifecycle.js

Author: jhildenbiddle

src/core/init/lifecycle.js

@@ -36,29 +36,26 @@ export function Lifecycle(Base) {
         if (index >= queue.length) {
           next(data);
         } else if (typeof hookFn === 'function') {
-          const errTitle = `Docsify plugin ${
-            hookFn.name ? '"' + hookFn.name + '"' : ''
-          } error (${hookName})`;
+          const errTitle = `Docsify plugin error (${hookName})`;
 
           if (hookFn.length === 2) {
             try {
               hookFn(data, result => {
                 data = result;
+                step(index + 1);
               });
             } catch (err) {
               console.error(errTitle, err);
             }
-            step(index + 1);
           } else {
-            let result;
-
             try {
-              result = hookFn(data);
+              const result = hookFn(data);
+
+              data = result === undefined ? data : data;
             } catch (err) {
               console.error(errTitle, err);
             }
 
-            data = result || data;
             step(index + 1);
           }
         } else {