Fix ie (#31)

index.js

@@ -1,5 +1,33 @@
 'use strict';
+const caniuse = require('caniuse-api')
 
 module.exports = {
-	name: require('./package').name
+	name: require('./package').name,
+	options: {
+		autoImport: {
+			alias: {}
+		}
+	},
+
+	chooseLibPhoneForTargets(targets = {}) {
+		let { browsers = [] } = targets;
+		let browserQuery = browsers.join(',');
+		if (caniuse.isSupported('es6-module', browserQuery)) {
+			return 'libphonenumber/index.es6.js';
+		}
+		return 'libphonenumber-js/bundle/libphonenumber-js.min.js';
+	},
+
+	included() {
+		this._super.included.apply(this, arguments);
+
+		let findHost = this._findHost;
+		let app = findHost.call(this);
+
+		this.app = app;
+		let targets = this.project.targets;
+
+		this.options.autoImport.alias['libphonenumber-js'] = this.chooseLibPhoneForTargets(targets);
+	}
+
 };

package.json

@@ -24,6 +24,7 @@
     "test:all": "ember try:each"
   },
   "dependencies": {
+	"caniuse-api": "^3.0.0",
     "ember-auto-import": "^1.2.21",
     "ember-cli-babel": "^7.7.3",
     "libphonenumber-js": "~1.0.24"