change exports

dist/index.js

@@ -1,9 +1,5 @@
 "use strict";
 
-Object.defineProperty(exports, "__esModule", {
-    value: true
-});
-
 var _regenerator = require("babel-runtime/regenerator");
 
 var _regenerator2 = _interopRequireDefault(_regenerator);
@@ -67,4 +63,4 @@ function serve(path, root) {
     }();
 }
 
-exports.default = serve;
+module.exports = serve;

index.js

@@ -15,4 +15,4 @@ function serve(path, root) {
     }
 }
 
-export default serve;
+module.exports = serve;

package.json

@@ -4,7 +4,7 @@
   "description": "Middleware for Koa2 to serve a folder under a name declared by user with Babel",
   "main": "dist/index.js",
   "scripts": {
-    "test": "mocha"
+    "test": "mocha --compilers js:babel-register --require babel-polyfill"
   },
   "repository": {
     "type": "git",
@@ -29,8 +29,10 @@
   },
   "devDependencies": {
     "babel-plugin-transform-runtime": "^6.9.0",
-    "babel-preset-es2015": "^6.3.13",
+    "babel-polyfill": "^6.9.1",
+    "babel-preset-es2015": "^6.9.0",
     "babel-preset-stage-3": "^6.3.13",
+    "babel-register": "^6.9.0",
     "gulp": "^3.9.0",
     "gulp-babel": "^6.1.1",
     "koa": "^2.0.0",

test/test.js

@@ -1,9 +1,9 @@
 "use strict"
 
-const assert = require("assert");
-const serve = require("../dist/index.js").default;
-const Koa = require("koa");
-const request = require("supertest");
+import assert from "assert";
+import serve from "../dist/index.js";
+import Koa from "koa";
+import request from "supertest";
 
 describe("Koa-static2", () => {
     const app = new Koa();