Reproduce the issue with jsnext:main and Lodash for Redux

lib/index.js

@@ -1,39 +1,2 @@
-/*
- * This is the main entry point for your package.
- *
- * You can import other modules here, including external packages. When
- * bundling using rollup you can mark those modules as external and have them
- * excluded or, if they have a jsnext:main entry in their package.json (like
- * this package does), let rollup bundle them into your dist file.
- */
-
-import { add } from './utils';
-
-/**
- * Multiply two numbers together, returning the product.
- *
- * This function illustrates an export from an entry point that uses imports
- * from other files. It also illustrates tail-call optimizations in ES6,
- * otherwise the `negative` parameter wouldn't be here.
- */
-export function multiply(n, m, negative=false) {
-  if (n === 0 || m === 0) {
-    return 0;
-  } else if (n === 1) {
-    return m;
-  } else if (m === 1) {
-    return n;
-  } else if (n < 0 && m < 0) {
-    return multiply(-n, -m);
-  } else if (n < 0) {
-    return multiply(-n, m, !negative);
-  } else if (m < 0) {
-    return multiply(n, -m, !negative);
-  }
-
-  let result = n;
-  while (--m) {
-    result = add(result, n);
-  }
-  return negative ? -result : result;
-}
+import { createStore } from 'redux';
+createStore(function () { })

package.json

@@ -40,6 +40,10 @@
     "rollup": "^0.24.1",
     "rollup-plugin-babel": "^2.3.9",
     "rollup-plugin-multi-entry": "^1.1.0",
+    "rollup-plugin-npm": "^1.4.0",
     "source-map-support": "^0.4.0"
+  },
+  "dependencies": {
+    "redux": "^3.2.1"
   }
 }

rollup.config.js

@@ -1,7 +1,8 @@
 import babel from 'rollup-plugin-babel';
+import npm from 'rollup-plugin-npm';
 
 export default {
   entry: 'lib/index.js',
   sourceMap: true,
-  plugins: [babel()]
+  plugins: [babel(), npm({ jsnext: true })]
 };

test/index_test.js

@@ -1,28 +0,0 @@
-import { multiply } from '../lib/index';
-import { strictEqual } from 'assert';
-
-describe('multiply', () => {
-  it('returns 0 when either argument is 0', () => {
-    strictEqual(multiply(0, 2), 0);
-    strictEqual(multiply(4, 0), 0);
-  });
-
-  it('returns the value of one number if the other is 1', () => {
-    strictEqual(multiply(1, 8), 8);
-    strictEqual(multiply(5, 1), 5);
-  });
-
-  it('is commutative', () => {
-    strictEqual(multiply(2, 4), multiply(4, 2));
-  });
-
-  it('returns the product of the two numbers', () => {
-    strictEqual(multiply(11, 9), 99);
-  });
-
-  it('handles negative numbers', () => {
-    strictEqual(multiply(-2, 2), -4);
-    strictEqual(multiply(2, -2), -4);
-    strictEqual(multiply(-2, -2), 4);
-  });
-});