Removes CustomEvent polyfill and testsremove-custom-event-polyfill

2 files changed, 0 insertions, 55 deletions

diff --git a/app/assets/javascripts/lib/utils/custom_event_polyfill.js.es6 b/app/assets/javascripts/lib/utils/custom_event_polyfill.js.es6
deleted file mode 100644
index 5ae978010c9..00000000000
--- a/app/assets/javascripts/lib/utils/custom_event_polyfill.js.es6
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * CustomEvent support for IE
- */
-if (typeof window.CustomEvent !== 'function') {
-  window.CustomEvent = function CustomEvent(e, params) {
-    const options = params || { bubbles: false, cancelable: false, detail: undefined };
-    const evt = document.createEvent('CustomEvent');
-    evt.initCustomEvent(e, options.bubbles, options.cancelable, options.detail);
-    return evt;
-  };
-  window.CustomEvent.prototype = window.Event.prototype;
-}
diff --git a/spec/javascripts/lib/utils/custom_event_polyfill_spec.js.es6 b/spec/javascripts/lib/utils/custom_event_polyfill_spec.js.es6
deleted file mode 100644
index 3645dd70c55..00000000000
--- a/spec/javascripts/lib/utils/custom_event_polyfill_spec.js.es6
+++ /dev/null
@@ -1,43 +0,0 @@
-//= require lib/utils/custom_event_polyfill
-
-describe('Custom Event Polyfill', () => {
-  it('should be defined', () => {
-    expect(window.CustomEvent).toBeDefined();
-  });
-
-  it('should create a `CustomEvent` instance', () => {
-    const e = new window.CustomEvent('foo');
-
-    expect(e.type).toEqual('foo');
-    expect(e.bubbles).toBe(false);
-    expect(e.cancelable).toBe(false);
-    expect(e.detail).toBeFalsy();
-  });
-
-  it('should create a `CustomEvent` instance with a `details` object', () => {
-    const e = new window.CustomEvent('bar', { detail: { foo: 'bar' } });
-
-    expect(e.type).toEqual('bar');
-    expect(e.bubbles).toBe(false);
-    expect(e.cancelable).toBe(false);
-    expect(e.detail.foo).toEqual('bar');
-  });
-
-  it('should create a `CustomEvent` instance with a `bubbles` boolean', () => {
-    const e = new window.CustomEvent('bar', { bubbles: true });
-
-    expect(e.type).toEqual('bar');
-    expect(e.bubbles).toBe(true);
-    expect(e.cancelable).toBe(false);
-    expect(e.detail).toBeFalsy();
-  });
-
-  it('should create a `CustomEvent` instance with a `cancelable` boolean', () => {
-    const e = new window.CustomEvent('bar', { cancelable: true });
-
-    expect(e.type).toEqual('bar');
-    expect(e.bubbles).toBe(false);
-    expect(e.cancelable).toBe(true);
-    expect(e.detail).toBeFalsy();
-  });
-});