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					102 lines
				
				2.0 KiB
			
		
		
			
		
	
	
					102 lines
				
				2.0 KiB
			| 
											3 years ago
										 | 
 | ||
|  | var TIMEOUT_MAX = 2147483647; // 2^31-1
 | ||
|  | 
 | ||
|  | exports.setTimeout = function(listener, after) { | ||
|  |   return new Timeout(listener, after) | ||
|  | } | ||
|  | exports.setInterval = function(listener, after) { | ||
|  |   return new Interval(listener, after) | ||
|  | } | ||
|  | exports.clearTimeout = function(timer) { | ||
|  |   if (timer) timer.close() | ||
|  | } | ||
|  | exports.clearInterval = exports.clearTimeout | ||
|  | 
 | ||
|  | exports.Timeout = Timeout | ||
|  | exports.Interval = Interval | ||
|  | 
 | ||
|  | function Timeout(listener, after) { | ||
|  |   this.listener = listener | ||
|  |   this.after = after | ||
|  |   this.unreffed = false | ||
|  |   this.start() | ||
|  | } | ||
|  | 
 | ||
|  | Timeout.prototype.unref = function() { | ||
|  |   if (!this.unreffed) { | ||
|  |     this.unreffed = true | ||
|  |     this.timeout.unref() | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | Timeout.prototype.ref = function() { | ||
|  |   if (this.unreffed) { | ||
|  |     this.unreffed = false | ||
|  |     this.timeout.ref() | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | Timeout.prototype.start = function() { | ||
|  |   if (this.after <= TIMEOUT_MAX) { | ||
|  |     this.timeout = setTimeout(this.listener, this.after) | ||
|  |   } else { | ||
|  |     var self = this | ||
|  |     this.timeout = setTimeout(function() { | ||
|  |       self.after -= TIMEOUT_MAX | ||
|  |       self.start() | ||
|  |     }, TIMEOUT_MAX) | ||
|  |   } | ||
|  |   if (this.unreffed) { | ||
|  |     this.timeout.unref() | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | Timeout.prototype.close = function() { | ||
|  |   clearTimeout(this.timeout) | ||
|  | } | ||
|  | 
 | ||
|  | function Interval(listener, after) { | ||
|  |   this.listener = listener | ||
|  |   this.after = this.timeLeft = after | ||
|  |   this.unreffed = false | ||
|  |   this.start() | ||
|  | } | ||
|  | 
 | ||
|  | Interval.prototype.unref = function() { | ||
|  |   if (!this.unreffed) { | ||
|  |     this.unreffed = true | ||
|  |     this.timeout.unref() | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | Interval.prototype.ref = function() { | ||
|  |   if (this.unreffed) { | ||
|  |     this.unreffed = false | ||
|  |     this.timeout.ref() | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | Interval.prototype.start = function() { | ||
|  |   var self = this | ||
|  | 
 | ||
|  |   if (this.timeLeft <= TIMEOUT_MAX) { | ||
|  |     this.timeout = setTimeout(function() { | ||
|  |       self.listener() | ||
|  |       self.timeLeft = self.after | ||
|  |       self.start() | ||
|  |     }, this.timeLeft) | ||
|  |   } else { | ||
|  |     this.timeout = setTimeout(function() { | ||
|  |       self.timeLeft -= TIMEOUT_MAX | ||
|  |       self.start() | ||
|  |     }, TIMEOUT_MAX) | ||
|  |   } | ||
|  |   if (this.unreffed) { | ||
|  |     this.timeout.unref() | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | Interval.prototype.close = function() { | ||
|  |   Timeout.prototype.close.apply(this, arguments) | ||
|  | } |