1"use strict"; 2module.exports = function(Promise) { 3var util = require("./util"); 4var async = Promise._async; 5var tryCatch = util.tryCatch; 6var errorObj = util.errorObj; 7 8function spreadAdapter(val, nodeback) { 9 var promise = this; 10 if (!util.isArray(val)) return successAdapter.call(promise, val, nodeback); 11 var ret = 12 tryCatch(nodeback).apply(promise._boundValue(), [null].concat(val)); 13 if (ret === errorObj) { 14 async.throwLater(ret.e); 15 } 16} 17 18function successAdapter(val, nodeback) { 19 var promise = this; 20 var receiver = promise._boundValue(); 21 var ret = val === undefined 22 ? tryCatch(nodeback).call(receiver, null) 23 : tryCatch(nodeback).call(receiver, null, val); 24 if (ret === errorObj) { 25 async.throwLater(ret.e); 26 } 27} 28function errorAdapter(reason, nodeback) { 29 var promise = this; 30 if (!reason) { 31 var newReason = new Error(reason + ""); 32 newReason.cause = reason; 33 reason = newReason; 34 } 35 var ret = tryCatch(nodeback).call(promise._boundValue(), reason); 36 if (ret === errorObj) { 37 async.throwLater(ret.e); 38 } 39} 40 41Promise.prototype.asCallback = Promise.prototype.nodeify = function (nodeback, 42 options) { 43 if (typeof nodeback == "function") { 44 var adapter = successAdapter; 45 if (options !== undefined && Object(options).spread) { 46 adapter = spreadAdapter; 47 } 48 this._then( 49 adapter, 50 errorAdapter, 51 undefined, 52 this, 53 nodeback 54 ); 55 } 56 return this; 57}; 58}; 59