Promise.allSettled

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Promise.allSettled

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ES Proposal spec-compliant shim for Promise.allSettled

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# promise.allsettled <sup>[![Version Badge][npm-version-svg]][package-url]</sup>

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ES Proposal spec-compliant shim for Promise.allSettled. Invoke its "shim" method to shim `Promise.allSettled` if it is unavailable or noncompliant. **Note**: a global `Promise` must already exist: the [es6-shim](https://github.com/es-shims/es6-shim) is recommended.

This package implements the [es-shim API](https://github.com/es-shims/api) interface. It works in an ES3-supported environment that has `Promise` available globally, and complies with the [proposed spec](https://github.com/tc39/proposal-promise-allSettled).

Most common usage:
```js
var assert = require('assert');
var allSettled = require('promise.allsettled');

var resolved = Promise.resolve(42);
var rejected = Promise.reject(-1);

allSettled([resolved, rejected]).then(function (results) {
	assert.deepEqual(results, [
		{ status: 'fulfilled', value: 42 },
		{ status: 'rejected', reason: -1 }
	]);
});

allSettled.shim(); // will be a no-op if not needed

Promise.allSettled([resolved, rejected]).then(function (results) {
	assert.deepEqual(results, [
		{ status: 'fulfilled', value: 42 },
		{ status: 'rejected', reason: -1 }
	]);
});
```

## Tests
Simply clone the repo, `npm install`, and run `npm test`

[package-url]: https://npmjs.com/package/promise.allsettled
[npm-version-svg]: http://versionbadg.es/es-shims/Promise.allSettled.svg
[travis-svg]: https://travis-ci.org/es-shims/Promise.allSettled.svg
[travis-url]: https://travis-ci.org/es-shims/Promise.allSettled
[deps-svg]: https://david-dm.org/es-shims/Promise.allSettled.svg
[deps-url]: https://david-dm.org/es-shims/Promise.allSettled
[dev-deps-svg]: https://david-dm.org/es-shims/Promise.allSettled/dev-status.svg
[dev-deps-url]: https://david-dm.org/es-shims/Promise.allSettled#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/promise.allsettled.png?downloads=true&stars=true
[license-image]: http://img.shields.io/npm/l/promise.allsettled.svg
[license-url]: LICENSE
[downloads-image]: http://img.shields.io/npm/dm/promise.allsettled.svg
[downloads-url]: http://npm-stat.com/charts.html?package=promise.allsettled
[codecov-image]: https://codecov.io/gh/es-shims/Promise.allSettled/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/es-shims/Promise.allSettled/
[actions-image]: https://img.shields.io/github/check-runs/es-shims/Promise.allSettled/main
[actions-url]: https://github.com/es-shims/Promise.allSettled/actions

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