return final name

README.md

@@ -3,10 +3,12 @@
 
 Write transformer for panto.
 
+> This should be in the final stream, chainning it is not suggested!
+
 ```js
 panto.loadTransformer('write');
 
-panto.pick('**/*.js').read().write({
+panto.$('**/*.js').read().write({
     destname: file => file.filename
 });
 ```
@@ -21,7 +23,7 @@ panto.pick('**/*.js').read().write({
 [travis-image]: http://img.shields.io/travis/pantojs/panto-transformer-write.svg
 [david-dm-url]:https://david-dm.org/pantojs/panto-transformer-write
 [david-dm-image]:https://david-dm.org/pantojs/panto-transformer-write.svg
-[david-dm-dev-url]:https://david-dm.org/pantojs/panto-transformer-write#info=devDependencies
+[david-dm-dev-url]:https://david-dm.org/pantojs/panto-transformer-write#type=dev
 [david-dm-dev-image]:https://david-dm.org/pantojs/panto-transformer-write/dev-status.svg
 [coveralls-image]:https://coveralls.io/repos/github/pantojs/panto-transformer-write/badge.svg?branch=master
 [coveralls-url]:https://coveralls.io/github/pantojs/panto-transformer-write?branch=master

index.js

@@ -1,13 +1,14 @@
 /**
- * Copyright (C) 2016 panto.xyz
+ * Copyright (C) 2016 pantojs.xyz
  * index.js
  *
  * changelog
  * 2016-06-22[09:49:10]:revised
+ * 2016-09-16[13:07:38]:return final name
  *
  * @author yanni4night@gmail.com
- * @version 1.0.0
- * @since 1.0.0
+ * @version 0.3.4
+ * @since 0.1.0
  */
 'use strict';
 
@@ -24,23 +25,29 @@ class WriteTransformer extends Transformer {
             destname
         } = this.options;
 
+        let finalName = filename;
+
+        if (panto._.isFunction(destname)) {
+            finalName = destname.call(file, file);
+        } else if (panto._.isString(destname)) {
+            finalName = destname;
+        } else if (!panto._.isNil(destname)) {
+            panto.log.warn(`WriteTransform warnning: ${destname} must be a function or string`);
+        }
+
+        const finalFile = panto._.extend(file, {
+            filename: finalName
+        });
+
         if (panto._.isNil(content)) {
-            return Promise.resolve(file);
+            return Promise.resolve(finalFile);
         } else {
-            let finalName = filename;
-            if (panto._.isFunction(destname)) {
-                finalName = destname.call(file, file);
-            } else if (panto._.isString(destname)) {
-                finalName = destname;
-            } else if (!panto._.isNil(destname)) {
-                panto.log.warn(`WriteTransform warnning: ${destname} must be a function or string`);
-            }
-            return panto.file.write(finalName, content).then(() => file);
+            return panto.file.write(finalName, content).then(() => finalFile);
         }
     }
     isCacheable() {
         return false;
     }
 }
 
-module.exports = WriteTransformer;
+module.exports = WriteTransformer;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "panto-transformer-write",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "description": "Write transformer for panto",
   "main": "index.js",
   "scripts": {
@@ -26,13 +26,13 @@
   },
   "homepage": "https://github.com/pantojs/panto-transformer-write",
   "dependencies": {
-    "panto-transformer": "^0.1.3"
+    "panto-transformer": "^0.2.4"
   },
   "devDependencies": {
     "coveralls": "^2.11.12",
-    "mocha": "^2.5.3",
+    "mocha": "^3.0.2",
     "mocha-lcov-reporter": "^1.2.0",
-    "panto": "0.0.29",
+    "panto": "0.1.0-alpha.1",
     "pre-commit": "^1.1.3"
   }
 }

test/test.js

@@ -85,6 +85,23 @@ describe('panto-transformer-write', () => {
                 done();
             });
         });
+        it('should return final name', done => {
+            const file = {
+                filename: 'm.js'
+            };
+
+            panto.setOptions({
+                cwd: __dirname,
+                output: 'output'
+            });
 
+            new WriteTransformer({
+                destname: 'n.js'
+            }).transform(file).then(tfile => {
+                assert.deepEqual(tfile.filename, 'n.js');
+            }).then(() => {
+                done();
+            });
+        });
     });
-});
+});