source: trip-planner-front/node_modules/pinkie/readme.md@ 6c1585f

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> Itty bitty little widdle twinkie pinkie [ES2015 Promise](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-promise-objects) implementation

[![Build Status](https://travis-ci.org/floatdrop/pinkie.svg?branch=master)](https://travis-ci.org/floatdrop/pinkie)  [![Coverage Status](https://coveralls.io/repos/floatdrop/pinkie/badge.svg?branch=master&service=github)](https://coveralls.io/github/floatdrop/pinkie?branch=master)

There are [tons of Promise implementations](https://github.com/promises-aplus/promises-spec/blob/master/implementations.md#standalone) out there, but all of them focus on browser compatibility and are often bloated with functionality.

This module is an exact Promise specification polyfill (like [native-promise-only](https://github.com/getify/native-promise-only)), but in Node.js land (it should be browserify-able though).


## Install

```
$ npm install --save pinkie
```


## Usage

```js
var fs = require('fs');
var Promise = require('pinkie');

new Promise(function (resolve, reject) {
        fs.readFile('foo.json', 'utf8', function (err, data) {
                if (err) {
                        reject(err);
                        return;
                }

                resolve(data);
        });
});
//=> Promise
```


### API

`pinkie` exports bare [ES2015 Promise](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-promise-objects) implementation and polyfills [Node.js rejection events](https://nodejs.org/api/process.html#process_event_unhandledrejection). In case you forgot:

#### new Promise(executor)

Returns new instance of `Promise`.

##### executor

*Required*  
Type: `function`

Function with two arguments `resolve` and `reject`. The first argument fulfills the promise, the second argument rejects it.

#### pinkie.all(promises)

Returns a promise that resolves when all of the promises in the `promises` Array argument have resolved.

#### pinkie.race(promises)

Returns a promise that resolves or rejects as soon as one of the promises in the `promises` Array resolves or rejects, with the value or reason from that promise.

#### pinkie.reject(reason)

Returns a Promise object that is rejected with the given `reason`.

#### pinkie.resolve(value)

Returns a Promise object that is resolved with the given `value`. If the `value` is a thenable (i.e. has a then method), the returned promise will "follow" that thenable, adopting its eventual state; otherwise the returned promise will be fulfilled with the `value`.


## Related

- [pinkie-promise](https://github.com/floatdrop/pinkie-promise) - Returns the native Promise or this module


## License

MIT © [Vsevolod Strukchinsky](http://github.com/floatdrop)