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node_modules/when/lib/apply.js 1.17 KB
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  /** @license MIT License (c) copyright 2010-2014 original author or authors */
  /** @author Brian Cavalier */
  /** @author John Hann */
  
  (function(define) { 'use strict';
  define(function() {
  
  	makeApply.tryCatchResolve = tryCatchResolve;
  
  	return makeApply;
  
  	function makeApply(Promise, call) {
  		if(arguments.length < 2) {
  			call = tryCatchResolve;
  		}
  
  		return apply;
  
  		function apply(f, thisArg, args) {
  			var p = Promise._defer();
  			var l = args.length;
  			var params = new Array(l);
  			callAndResolve({ f:f, thisArg:thisArg, args:args, params:params, i:l-1, call:call }, p._handler);
  
  			return p;
  		}
  
  		function callAndResolve(c, h) {
  			if(c.i < 0) {
  				return call(c.f, c.thisArg, c.params, h);
  			}
  
  			var handler = Promise._handler(c.args[c.i]);
  			handler.fold(callAndResolveNext, c, void 0, h);
  		}
  
  		function callAndResolveNext(c, x, h) {
  			c.params[c.i] = x;
  			c.i -= 1;
  			callAndResolve(c, h);
  		}
  	}
  
  	function tryCatchResolve(f, thisArg, args, resolver) {
  		try {
  			resolver.resolve(f.apply(thisArg, args));
  		} catch(e) {
  			resolver.reject(e);
  		}
  	}
  
  });
  }(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(); }));