AlkantarClanX12
Current Path : /opt/alt/alt-nodejs12/root/lib/node_modules/npm/node_modules/bluebird/js/release/ |
Current File : //opt/alt/alt-nodejs12/root/lib/node_modules/npm/node_modules/bluebird/js/release/thenables.js |
"use strict"; module.exports = function(Promise, INTERNAL) { var util = require("./util"); var errorObj = util.errorObj; var isObject = util.isObject; function tryConvertToPromise(obj, context) { if (isObject(obj)) { if (obj instanceof Promise) return obj; var then = getThen(obj); if (then === errorObj) { if (context) context._pushContext(); var ret = Promise.reject(then.e); if (context) context._popContext(); return ret; } else if (typeof then === "function") { if (isAnyBluebirdPromise(obj)) { var ret = new Promise(INTERNAL); obj._then( ret._fulfill, ret._reject, undefined, ret, null ); return ret; } return doThenable(obj, then, context); } } return obj; } function doGetThen(obj) { return obj.then; } function getThen(obj) { try { return doGetThen(obj); } catch (e) { errorObj.e = e; return errorObj; } } var hasProp = {}.hasOwnProperty; function isAnyBluebirdPromise(obj) { try { return hasProp.call(obj, "_promise0"); } catch (e) { return false; } } function doThenable(x, then, context) { var promise = new Promise(INTERNAL); var ret = promise; if (context) context._pushContext(); promise._captureStackTrace(); if (context) context._popContext(); var synchronous = true; var result = util.tryCatch(then).call(x, resolve, reject); synchronous = false; if (promise && result === errorObj) { promise._rejectCallback(result.e, true, true); promise = null; } function resolve(value) { if (!promise) return; promise._resolveCallback(value); promise = null; } function reject(reason) { if (!promise) return; promise._rejectCallback(reason, synchronous, true); promise = null; } return ret; } return tryConvertToPromise; };