bdde081050
Added test to ensure that release notes are parsed properly Updated to latest dependencies to fix security vulnerability Updated GH Actions Workflow to run test before updating tag Updated README.md to reflect proper whatsnew documentation.
25 lines
490 B
JavaScript
25 lines
490 B
JavaScript
'use strict';
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var callBound = require('../helpers/callBound');
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var $PromiseThen = callBound('Promise.prototype.then', true);
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var Type = require('./Type');
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// https://www.ecma-international.org/ecma-262/6.0/#sec-ispromise
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module.exports = function IsPromise(x) {
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if (Type(x) !== 'Object') {
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return false;
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}
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if (!$PromiseThen) { // Promises are not supported
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return false;
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}
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try {
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$PromiseThen(x); // throws if not a promise
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} catch (e) {
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return false;
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}
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return true;
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};
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