diff --git a/src/__tests__/events.js b/src/__tests__/events.js
index fdf78083..f91cf408 100644
--- a/src/__tests__/events.js
+++ b/src/__tests__/events.js
@@ -1,9 +1,10 @@
+import {eventMap, eventAliasMap} from '../event-map'
 import {fireEvent} from '..'
 
 const eventTypes = [
   {
     type: 'Clipboard',
-    events: ['copy', 'paste'],
+    events: ['copy', 'cut', 'paste'],
     elementType: 'input',
   },
   {
@@ -137,92 +138,19 @@ const eventTypes = [
   },
 ]
 
-const bubblingEvents = [
-  'copy',
-  'cut',
-  'paste',
-  'compositionEnd',
-  'compositionStart',
-  'compositionUpdate',
-  'keyDown',
-  'keyPress',
-  'keyUp',
-  'focusIn',
-  'focusOut',
-  'change',
-  'input',
-  'submit',
-  'reset',
-  'click',
-  'contextMenu',
-  'dblClick',
-  'drag',
-  'dragEnd',
-  'dragEnter',
-  'dragExit',
-  'dragLeave',
-  'dragOver',
-  'dragStart',
-  'drop',
-  'mouseDown',
-  'mouseMove',
-  'mouseOut',
-  'mouseOver',
-  'mouseUp',
-  'select',
-  'touchCancel',
-  'touchEnd',
-  'touchMove',
-  'touchStart',
-  'wheel',
-  'animationStart',
-  'animationEnd',
-  'animationIteration',
-  'transitionEnd',
-  'pointerOver',
-  'pointerDown',
-  'pointerMove',
-  'pointerUp',
-  'pointerCancel',
-  'pointerOut',
-]
+const allEvents = Object.keys(eventMap)
 
-const nonBubblingEvents = [
-  'focus',
-  'blur',
-  'invalid',
-  'mouseEnter',
-  'mouseLeave',
-  'scroll',
-  'abort',
-  'canPlay',
-  'canPlayThrough',
-  'durationChange',
-  'emptied',
-  'encrypted',
-  'ended',
-  'loadedData',
-  'loadedMetadata',
-  'loadStart',
-  'pause',
-  'play',
-  'playing',
-  'progress',
-  'rateChange',
-  'seeked',
-  'seeking',
-  'stalled',
-  'suspend',
-  'timeUpdate',
-  'volumeChange',
-  'waiting',
-  'load',
-  'error',
-  'pointerEnter',
-  'pointerLeave',
-  'gotPointerCapture',
-  'lostPointerCapture',
-]
+const bubblingEvents = allEvents
+  .filter(eventName => eventMap[eventName].defaultInit.bubbles)
+
+const composedEvents = allEvents
+  .filter(eventName => eventMap[eventName].defaultInit.composed)
+
+const nonBubblingEvents = allEvents
+  .filter(eventName => !bubblingEvents.includes(eventName))
+
+const nonComposedEvents = allEvents
+  .filter(eventName => !composedEvents.includes(eventName))
 
 eventTypes.forEach(({type, events, elementType}) => {
   describe(`${type} Events`, () => {
@@ -268,13 +196,48 @@ describe(`Bubbling Events`, () => {
   )
 })
 
+describe(`Composed Events`, () => {
+  composedEvents.forEach(event =>
+    it(`${event} crosses shadow DOM boundary`, () => {
+      const node = document.createElement('div')
+      const spy = jest.fn()
+      node.addEventListener(event.toLowerCase(), spy)
+
+      const shadowRoot = node.attachShadow({ mode: 'closed' })
+      const innerNode = document.createElement('div')
+      shadowRoot.appendChild(innerNode)
+
+      fireEvent[event](innerNode)
+      expect(spy).toHaveBeenCalledTimes(1)
+    }),
+  )
+
+  nonComposedEvents.forEach(event =>
+    it(`${event} does not cross shadow DOM boundary`, () => {
+      const node = document.createElement('div')
+      const spy = jest.fn()
+      node.addEventListener(event.toLowerCase(), spy)
+
+      const shadowRoot = node.attachShadow({ mode: 'closed' })
+      const innerNode = document.createElement('div')
+      shadowRoot.appendChild(innerNode)
+
+      fireEvent[event](innerNode)
+      expect(spy).not.toHaveBeenCalled()
+    }),
+  )
+})
+
 describe(`Aliased Events`, () => {
-  it(`fires doubleClick`, () => {
-    const node = document.createElement('div')
-    const spy = jest.fn()
-    node.addEventListener('dblclick', spy)
-    fireEvent.doubleClick(node)
-    expect(spy).toHaveBeenCalledTimes(1)
+  Object.keys(eventAliasMap).forEach(eventAlias => {
+    it(`fires ${eventAlias}`, () => {
+      const node = document.createElement('div')
+      const spy = jest.fn()
+      node.addEventListener(eventAliasMap[eventAlias].toLowerCase(), spy)
+      
+      fireEvent[eventAlias](node)
+      expect(spy).toHaveBeenCalledTimes(1)
+    })
   })
 })
 
diff --git a/src/event-map.js b/src/event-map.js
new file mode 100644
index 00000000..98d78e66
--- /dev/null
+++ b/src/event-map.js
@@ -0,0 +1,350 @@
+export const eventMap = {
+    // Clipboard Events
+    copy: {
+      EventType: 'ClipboardEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    cut: {
+      EventType: 'ClipboardEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    paste: {
+      EventType: 'ClipboardEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    // Composition Events
+    compositionEnd: {
+      EventType: 'CompositionEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    compositionStart: {
+      EventType: 'CompositionEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    compositionUpdate: {
+      EventType: 'CompositionEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    // Keyboard Events
+    keyDown: {
+      EventType: 'KeyboardEvent',
+      defaultInit: {bubbles: true, cancelable: true, charCode: 0, composed: true},
+    },
+    keyPress: {
+      EventType: 'KeyboardEvent',
+      defaultInit: {bubbles: true, cancelable: true, charCode: 0, composed: true},
+    },
+    keyUp: {
+      EventType: 'KeyboardEvent',
+      defaultInit: {bubbles: true, cancelable: true, charCode: 0, composed: true},
+    },
+    // Focus Events
+    focus: {
+      EventType: 'FocusEvent',
+      defaultInit: {bubbles: false, cancelable: false, composed: true},
+    },
+    blur: {
+      EventType: 'FocusEvent',
+      defaultInit: {bubbles: false, cancelable: false, composed: true},
+    },
+    focusIn: {
+      EventType: 'FocusEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    focusOut: {
+      EventType: 'FocusEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    // Form Events
+    change: {
+      EventType: 'Event',
+      defaultInit: {bubbles: true, cancelable: false},
+    },
+    input: {
+      EventType: 'InputEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    invalid: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: true},
+    },
+    submit: {
+      EventType: 'Event',
+      defaultInit: {bubbles: true, cancelable: true},
+    },
+    reset: {
+      EventType: 'Event',
+      defaultInit: {bubbles: true, cancelable: true},
+    },
+    // Mouse Events
+    click: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, button: 0, composed: true},
+    },
+    contextMenu: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    dblClick: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    drag: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    dragEnd: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    dragEnter: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    dragExit: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    dragLeave: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    dragOver: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    dragStart: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    drop: {
+      EventType: 'DragEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    mouseDown: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    mouseEnter: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: false, cancelable: false, composed: true},
+    },
+    mouseLeave: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: false, cancelable: false, composed: true},
+    },
+    mouseMove: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    mouseOut: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    mouseOver: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    mouseUp: {
+      EventType: 'MouseEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    // Selection Events
+    select: {
+      EventType: 'Event',
+      defaultInit: {bubbles: true, cancelable: false},
+    },
+    // Touch Events
+    touchCancel: {
+      EventType: 'TouchEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    touchEnd: {
+      EventType: 'TouchEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    touchMove: {
+      EventType: 'TouchEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    touchStart: {
+      EventType: 'TouchEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    // UI Events
+    scroll: {
+      EventType: 'UIEvent',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    // Wheel Events
+    wheel: {
+      EventType: 'WheelEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    // Media Events
+    abort: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    canPlay: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    canPlayThrough: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    durationChange: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    emptied: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    encrypted: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    ended: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    loadedData: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    loadedMetadata: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    loadStart: {
+      EventType: 'ProgressEvent',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    pause: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    play: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    playing: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    progress: {
+      EventType: 'ProgressEvent',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    rateChange: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    seeked: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    seeking: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    stalled: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    suspend: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    timeUpdate: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    volumeChange: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    waiting: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    // Image Events
+    load: {
+      EventType: 'UIEvent',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    error: {
+      EventType: 'Event',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    // Animation Events
+    animationStart: {
+      EventType: 'AnimationEvent',
+      defaultInit: {bubbles: true, cancelable: false},
+    },
+    animationEnd: {
+      EventType: 'AnimationEvent',
+      defaultInit: {bubbles: true, cancelable: false},
+    },
+    animationIteration: {
+      EventType: 'AnimationEvent',
+      defaultInit: {bubbles: true, cancelable: false},
+    },
+    // Transition Events
+    transitionEnd: {
+      EventType: 'TransitionEvent',
+      defaultInit: {bubbles: true, cancelable: true},
+    },
+    // pointer events
+    pointerOver: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    pointerEnter: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    pointerDown: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    pointerMove: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    pointerUp: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    pointerCancel: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: true, cancelable: false, composed: true},
+    },
+    pointerOut: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: true, cancelable: true, composed: true},
+    },
+    pointerLeave: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: false, cancelable: false},
+    },
+    gotPointerCapture: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: false, cancelable: false, composed: true},
+    },
+    lostPointerCapture: {
+      EventType: 'PointerEvent',
+      defaultInit: {bubbles: false, cancelable: false, composed: true},
+    },
+    // history events
+    popState: {
+      EventType: 'PopStateEvent',
+      defaultInit: {bubbles: true, cancelable: false},
+    },
+  }
+  
+  export const eventAliasMap = {
+    doubleClick: 'dblClick',
+  }
diff --git a/src/events.js b/src/events.js
index f6896c3c..389fdab3 100644
--- a/src/events.js
+++ b/src/events.js
@@ -1,354 +1,5 @@
 import {getWindowFromNode} from './helpers'
-const eventMap = {
-  // Clipboard Events
-  copy: {
-    EventType: 'ClipboardEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  cut: {
-    EventType: 'ClipboardEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  paste: {
-    EventType: 'ClipboardEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  // Composition Events
-  compositionEnd: {
-    EventType: 'CompositionEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  compositionStart: {
-    EventType: 'CompositionEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  compositionUpdate: {
-    EventType: 'CompositionEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  // Keyboard Events
-  keyDown: {
-    EventType: 'KeyboardEvent',
-    defaultInit: {bubbles: true, cancelable: true, charCode: 0},
-  },
-  keyPress: {
-    EventType: 'KeyboardEvent',
-    defaultInit: {bubbles: true, cancelable: true, charCode: 0},
-  },
-  keyUp: {
-    EventType: 'KeyboardEvent',
-    defaultInit: {bubbles: true, cancelable: true, charCode: 0},
-  },
-  // Focus Events
-  focus: {
-    EventType: 'FocusEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  blur: {
-    EventType: 'FocusEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  focusIn: {
-    EventType: 'FocusEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  focusOut: {
-    EventType: 'FocusEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  // Form Events
-  change: {
-    EventType: 'Event',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  input: {
-    EventType: 'InputEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  invalid: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: true},
-  },
-  submit: {
-    EventType: 'Event',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  reset: {
-    EventType: 'Event',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  // Mouse Events
-  click: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true, button: 0},
-  },
-  contextMenu: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  dblClick: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  drag: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  dragEnd: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  dragEnter: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  dragExit: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  dragLeave: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  dragOver: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  dragStart: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  drop: {
-    EventType: 'DragEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  mouseDown: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  mouseEnter: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  mouseLeave: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  mouseMove: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  mouseOut: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  mouseOver: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  mouseUp: {
-    EventType: 'MouseEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  // Selection Events
-  select: {
-    EventType: 'Event',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  // Touch Events
-  touchCancel: {
-    EventType: 'TouchEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  touchEnd: {
-    EventType: 'TouchEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  touchMove: {
-    EventType: 'TouchEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  touchStart: {
-    EventType: 'TouchEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  // UI Events
-  scroll: {
-    EventType: 'UIEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  // Wheel Events
-  wheel: {
-    EventType: 'WheelEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  // Media Events
-  abort: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  canPlay: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  canPlayThrough: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  durationChange: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  emptied: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  encrypted: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  ended: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  loadedData: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  loadedMetadata: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  loadStart: {
-    EventType: 'ProgressEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  pause: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  play: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  playing: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  progress: {
-    EventType: 'ProgressEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  rateChange: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  seeked: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  seeking: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  stalled: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  suspend: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  timeUpdate: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  volumeChange: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  waiting: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  // Image Events
-  load: {
-    EventType: 'UIEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  error: {
-    EventType: 'Event',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  // Animation Events
-  animationStart: {
-    EventType: 'AnimationEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  animationEnd: {
-    EventType: 'AnimationEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  animationIteration: {
-    EventType: 'AnimationEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  // Transition Events
-  transitionEnd: {
-    EventType: 'TransitionEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  // pointer events
-  pointerOver: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  pointerEnter: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  pointerDown: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  pointerMove: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  pointerUp: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  pointerCancel: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-  pointerOut: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: true, cancelable: true},
-  },
-  pointerLeave: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  gotPointerCapture: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  lostPointerCapture: {
-    EventType: 'PointerEvent',
-    defaultInit: {bubbles: false, cancelable: false},
-  },
-  // history events
-  popState: {
-    EventType: 'PopStateEvent',
-    defaultInit: {bubbles: true, cancelable: false},
-  },
-}
-
-const eventAliasMap = {
-  doubleClick: 'dblClick',
-}
+import {eventMap, eventAliasMap} from './event-map'
 
 function fireEvent(element, event) {
   if (!event) {