feat(event): add new history popstate event (#433)

Closes #427

Author: bochap

src/__tests__/events.js

@@ -327,6 +327,17 @@ test('fires events on Window', () => {
   window.removeEventListener('message', messageSpy)
 })
 
+test('fires history popstate event on Window', () => {
+  const popStateSpy = jest.fn()
+  window.addEventListener('popstate', popStateSpy)
+  fireEvent.popState(window, {
+    location: 'http://www.example.com/?page=1',
+    state: {page: 1},
+  })
+  expect(popStateSpy).toHaveBeenCalledTimes(1)
+  window.removeEventListener('popstate', popStateSpy)
+})
+
 test('fires shortcut events on Window', () => {
   const clickSpy = jest.fn()
   window.addEventListener('click', clickSpy)

src/events.js

@@ -338,6 +338,11 @@ const eventMap = {
     EventType: 'PointerEvent',
     defaultInit: {bubbles: false, cancelable: false},
   },
+  // history events
+  popState: {
+    EventType: 'PopStateEvent',
+    defaultInit: {bubbles: true, cancelable: false},
+  },
 }
 
 const eventAliasMap = {