Make build expose fp mapping in the dist.

lib/fp/build.js

@@ -10,11 +10,10 @@ var minify = require('../common/minify.js');
 
 var basePath = path.join(__dirname, '..', '..'),
     distPath = path.join(basePath, 'dist'),
-    entryPath = path.join(__dirname, 'bower.js'),
     filename = 'lodash.fp.js';
 
-var webpackConfig = {
-  'entry': entryPath,
+var fpConfig = {
+  'entry': path.join(__dirname, 'bower.js'),
   'output': {
     'path': distPath,
     'filename': filename,
@@ -27,6 +26,16 @@ var webpackConfig = {
   ]
 };
 
+var mappingConfig = {
+  'entry': path.join(__dirname, 'mapping.js'),
+  'output': {
+    'path': distPath,
+    'filename': 'fp-mapping.js',
+    'library': 'mapping',
+    'libraryTarget': 'umd'
+  }
+};
+
 /*----------------------------------------------------------------------------*/
 
 function onComplete(error) {
@@ -36,6 +45,7 @@ function onComplete(error) {
 }
 
 async.series([
-  _.partial(webpack, webpackConfig),
+  _.partial(webpack, mappingConfig),
+  _.partial(webpack, fpConfig),
   _.partial(minify, path.join(distPath, filename))
 ], onComplete);