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| Direktori : /home/vacivi36/.trash/vacivitta/node_modules/vacivitta/node_modules/es-abstract/2022/ |
| Current File : /home/vacivi36/.trash/vacivitta/node_modules/vacivitta/node_modules/es-abstract/2022/IsPromise.js |
'use strict';
var callBound = require('call-bound');
var $PromiseThen = callBound('Promise.prototype.then', true);
var isObject = require('../helpers/isObject');
// https://262.ecma-international.org/6.0/#sec-ispromise
module.exports = function IsPromise(x) {
if (!isObject(x)) {
return false;
}
if (!$PromiseThen) { // Promises are not supported
return false;
}
try {
$PromiseThen(x); // throws if not a promise
} catch (e) {
return false;
}
return true;
};