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- "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;
- };
- };
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