Add test projects with CommonJS and ES6 imports

.eslintignore

@@ -1,3 +1,4 @@
 *.node*.js
 node_modules
 lib
+testProjects

.gitignore

@@ -5,3 +5,5 @@ tags
 coverage
 .idea
 lib
+testProjects/**/node_modules
+testProjects/**/package-lock.json

test/imports.spec.js

@@ -0,0 +1,29 @@
+/* eslint-disable new-cap */
+
+'use strict';
+
+const testUtils = require('../testUtils');
+const expect = require('chai').expect;
+
+const runTestProject = (projectName) => {
+  const script = `
+    cd testProjects/${projectName}
+    npm install
+    node index.js ${testUtils.getUserStripeKey()}
+  `;
+  require('child_process').execSync(script);
+};
+
+describe('Stripe Module', function() {
+  this.timeout(20000);
+
+  describe('imports', () => {
+    it('should work with CommonJS imports', () => {
+      expect(runTestProject.bind(null, 'cjs')).to.not.throw();
+    });
+
+    it('should work with ESModule imports', () => {
+      expect(runTestProject.bind(null, 'mjs')).to.not.throw();
+    });
+  });
+});

testProjects/cjs/index.js

@@ -0,0 +1,5 @@
+const stripe = require('stripe')(process.argv[2]);
+
+stripe.customers.create({
+  email: 'customer@example.com',
+});

testProjects/cjs/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "cjs",
+  "type": "commonjs",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "dependencies": {
+    "stripe": "file:../../"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  }
+}

testProjects/mjs/index.js

@@ -0,0 +1,7 @@
+import Stripe from 'stripe';
+
+const stripe = new Stripe(process.argv[2]);
+
+const customer = await stripe.customers.create({
+  email: 'customer@example.com',
+});

testProjects/mjs/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "mjs",
+  "type": "module",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "dependencies": {
+    "stripe": "file:../../"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  }
+}