fix bug caused by batch yielding undefined function

amilajack · Feb 25, 2019 · 78da731 · 78da731
1 parent 8b11520
commit 78da731
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Showing 2 changed files with 16 additions and 11 deletions.
diff --git a/README.md b/README.md
@@ -16,16 +16,19 @@ $ npm install --save @amilajack/joker
 ## How it looks
 
 ```js
-import Joker from '@amilajack/joker';
-
-await new Joker()
-  .cwd(path.join(__dirname, 'fixtures'))
-  .env('NODE_ENV', 'production')
-  .before('touch /tmp/test')
-  .run('ls /tmp/')
-  .stdout(/test/)
-  .code(0)
-  .end();
+const path = require('path');
+const { default: Joker } = require('@amilajack/joker');
+
+(async () => {
+  await new Joker()
+    .cwd(path.join(__dirname, 'fixtures'))
+    .env('NODE_ENV', 'production')
+    .before('touch /tmp/test')
+    .run('ls /tmp/')
+    .stdout(/test/)
+    .code(0)
+    .end();
+})();
 ```
 
 ## API

diff --git a/src/batch.ts b/src/batch.ts
@@ -168,7 +168,9 @@ export default class Batch {
         latestFn(next);
         return;
       }
-      latestFn();
+      if (typeof latestFn === 'function') {
+        latestFn();
+      }
       next();
     }