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# p-defer [](https://travis-ci.org/sindresorhus/p-defer) > Create a deferred promise [**Don't use this unless you know what you're doing!**](https://github.com/petkaantonov/bluebird/wiki/Promise-anti-patterns#the-deferred-anti-pattern) Prefer the `Promise` constructor. ## Install ``` $ npm install --save p-defer ``` ## Usage ```js const pDefer = require('p-defer'); function delay(ms) { const deferred = pDefer(); setTimeout(deferred.resolve, ms, '🦄'); return deferred.promise; } delay(100).then(console.log); //=> '🦄' ``` *The above is just an example. Use [`delay`](https://github.com/sindresorhus/delay) if you need to delay a promise.* ## API ### pDefer() Returns an `Object` with a `promise` property and functions to `resolve()` and `reject()`. ## Related - [More…](https://github.com/sindresorhus/promise-fun) ## License MIT © [Sindre Sorhus](https://sindresorhus.com)
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