Revert "Update Webpack + deps, remove now unnecessary polyfills" (#2479)

* Revert "Update Webpack + deps, remove now unnecessary polyfills (#2410)"

This reverts commit 189b34c45a.

* Fix build (#2496)

* Change syntax to see if build passes

* Test commit

* Test with node 10

* Test adding all browsers in travis

* remove other browsers when running on travis

test/manual/basic.html

@@ -7,6 +7,7 @@
 
 An alert should be shown with the <code>{"name":"axios"}</code>
 
+<script src="promise.js"></script>
 <script src="../../dist/axios.js"></script>
 <script>
     axios.get('./fixture.json').then(function(response) {
@@ -17,4 +18,4 @@ An alert should be shown with the <code>{"name":"axios"}</code>
 </script>
 
 </body>
-</html>
+</html>

test/manual/cors.html

@@ -7,6 +7,7 @@
 
 An alert should be shown with <code>{"status":"ok"}</code>
 
+<script src="promise.js"></script>
 <script src="../../dist/axios.js"></script>
 <script>
     axios.get('http://cors-test.appspot.com/test').then(function(response) {
@@ -16,4 +17,4 @@ An alert should be shown with <code>{"status":"ok"}</code>
 </script>
 
 </body>
-</html>
+</html>

test/specs/__helpers.js

@@ -1,3 +1,6 @@
+// Polyfill ES6 Promise
+require('es6-promise').polyfill();
+
 // Polyfill URLSearchParams
 URLSearchParams = require('url-search-params');
 

test/specs/utils/isX.spec.js

@@ -2,6 +2,11 @@ var utils = require('../../../lib/utils');
 var Stream = require('stream');
 
 describe('utils::isX', function () {
+  it('should validate Array', function () {
+    expect(utils.isArray([])).toEqual(true);
+    expect(utils.isArray({length: 5})).toEqual(false);
+  });
+
   it('should validate ArrayBuffer', function () {
     expect(utils.isArrayBuffer(new ArrayBuffer(2))).toEqual(true);
     expect(utils.isArrayBuffer({})).toEqual(false);

test/specs/utils/trim.spec.js

@@ -0,0 +1,12 @@
+var trim = require('../../../lib/utils').trim;
+
+describe('utils::trim', function () {
+  it('should trim spaces', function () {
+    expect(trim('  foo  ')).toEqual('foo');
+  });
+
+  it('should trim tabs', function () {
+    expect(trim('\tfoo\t')).toEqual('foo');
+  });
+});
+