Convert imports to es module

Author: fayyazarshad

packages/optimizely-sdk/src/utils/fns/index.js

@@ -14,22 +14,23 @@
  * limitations under the License.
  */
 import uuid from 'uuid';
+
+var MAX_SAFE_INTEGER_LIMIT = Math.pow(2, 53);
 import { keyBy } from '@optimizely/js-sdk-utils';
-const MAX_SAFE_INTEGER_LIMIT = Math.pow(2, 53);
 
 export default {
-  assign: function (target) {
+  assign: function(target) {
     if (!target) {
       return {};
     }
     if (typeof Object.assign === 'function') {
       return Object.assign.apply(Object, arguments);
     } else {
-      let to = Object(target);
-      for (let index = 1; index < arguments.length; index++) {
-        let nextSource = arguments[index];
+      var to = Object(target);
+      for (var index = 1; index < arguments.length; index++) {
+        var nextSource = arguments[index];
         if (nextSource !== null && nextSource !== undefined) {
-          for (let nextKey in nextSource) {
+          for (var nextKey in nextSource) {
             // Avoid bugs when hasOwnProperty is shadowed
             if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
               to[nextKey] = nextSource[nextKey];

packages/optimizely-sdk/src/utils/fns/index.tests.js

@@ -16,8 +16,8 @@
 
 import chai from 'chai';
 
-let assert = chai.assert;
-import fns from './index';
+var assert = chai.assert;
+import fns from '../../../lib/utils/fns';
 
 describe('lib/utils/fns', function() {
   describe('APIs', function() {
@@ -43,14 +43,14 @@ describe('lib/utils/fns', function() {
 
     describe('keyBy', function() {
       it('should return correct object when a key is provided', function() {
-        let arr = [
+        var arr = [
           { key1: 'row1', key2: 'key2row1' },
           { key1: 'row2', key2: 'key2row2' },
           { key1: 'row3', key2: 'key2row3' },
           { key1: 'row4', key2: 'key2row4' },
         ];
 
-        let obj = fns.keyBy(arr, 'key1');
+        var obj = fns.keyBy(arr, 'key1');
 
         assert.deepEqual(obj, {
           row1: { key1: 'row1', key2: 'key2row1' },
@@ -61,7 +61,7 @@ describe('lib/utils/fns', function() {
       });
 
       it('should return empty object when first argument is null or undefined', function() {
-        let obj = fns.keyBy(null, 'key1');
+        var obj = fns.keyBy(null, 'key1');
         assert.isEmpty(obj);
 
         obj = fns.keyBy(undefined, 'key1');