https://github.com/75lb/defer-promise

Isomorphic function returning a deferred promise. Uses native `Promise.defer` where available, else polyfills
https://github.com/75lb/defer-promise

deferred javascript promise

Last synced: 8 months ago
JSON representation

Isomorphic function returning a deferred promise. Uses native `Promise.defer` where available, else polyfills

• Host: GitHub
• URL: https://github.com/75lb/defer-promise
• Owner: 75lb
• License: mit
• Created: 2015-10-25T17:28:09.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2022-03-29T22:38:32.000Z (about 4 years ago)
• Last Synced: 2025-02-02T08:31:51.984Z (over 1 year ago)
• Topics: deferred, javascript, promise
• Language: JavaScript
• Homepage:
• Size: 25.4 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# defer-promise

Isomorphic function returning a deferred promise with `resolve` and `reject` methods. If the global `Promise.defer()` method exists it will use that, else polyfill.

```js

import defer from 'defer-promise'

const deferred = defer()

/* Async function using a callback instead of returning a promise */

doSomething((result, err) => {

  if (err) {

    deferred.reject(err)

  } else {

    deferred.resolve(result)

  }

})

const result = await deferred.promise;

```

## Load anywhere

This library can be loaded anywhere, natively without transpilation.

Common JS:

```js

const defer = require('defer-promise')

```

Node.js with ECMAScript Module support enabled:

```js

import defer from 'defer-promise'

```

Modern browser ECMAScript Module:

```js

import defer from './node_modules/defer-promise/index.js'

```

* * *

© 2015-22 Lloyd Brookes \<75pound@gmail.com\>. Documented by [jsdoc-to-markdown](https://github.com/jsdoc2md/jsdoc-to-markdown).