only publish ES5 code to NPM

.gitignore

@@ -1,2 +1,2 @@
 node_modules/
-lib/
+dist/

.npmignore

@@ -0,0 +1 @@
+./update.js

package.json

@@ -1,11 +1,12 @@
 {
   "name": "update-immutable",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "React-compatible data-structure update utility",
-  "main": "lib/update",
+  "main": "dist/update",
   "scripts": {
-    "build": "node node_modules/babel-cli/bin/babel.js update.js --out-dir lib",
-    "test": "nodeunit test.js"
+    "build": "node node_modules/babel-cli/bin/babel.js update.js --out-dir dist",
+    "test": "npm run build && node_modules/nodeunit/bin/nodeunit test.js",
+    "prepublish": "npm run build"
   },
   "author": "Doug Hoyte",
   "license": "BSD-2-Clause",

test.js

@@ -1,4 +1,4 @@
-var update = require("./lib/update").default;
+var update = require("./dist/update").default;
 
 
 function clone(a) {