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