31 lines
		
	
	
		
			639 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			639 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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var Event = require('./event');
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var EventTarget = {
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  onopen:     null,
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  onmessage:  null,
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  onerror:    null,
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  onclose:    null,
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  addEventListener: function(eventType, listener, useCapture) {
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    this.on(eventType, listener);
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  },
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  removeEventListener: function(eventType, listener, useCapture) {
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    this.removeListener(eventType, listener);
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  },
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  dispatchEvent: function(event) {
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    event.target = event.currentTarget = this;
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    event.eventPhase = Event.AT_TARGET;
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    if (this['on' + event.type])
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      this['on' + event.type](event);
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    this.emit(event.type, event);
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  }
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};
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module.exports = EventTarget;
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