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# p-pipe [](https://travis-ci.com/sindresorhus/p-pipe)
> Compose promise-returning & async functions into a reusable pipeline
## Install
```
$ npm install p-pipe
```
## Usage
```js
const pPipe = require('p-pipe');
const addUnicorn = async string => `${string} Unicorn`;
const addRainbow = async string => `${string} Rainbow`;
const pipeline = pPipe(addUnicorn, addRainbow);
(async () => {
console.log(await pipeline('❤️'));
//=> '❤️ Unicorn Rainbow'
})();
```
## API
### pPipe(input…)
The `input` functions are applied from left to right.
#### input
Type: `Function`
Expected to return a `Promise` or any value.
## Related
- [p-each-series](https://github.com/sindresorhus/p-each-series) - Iterate over promises serially
- [p-series](https://github.com/sindresorhus/p-series) - Run promise-returning & async functions in series
- [p-waterfall](https://github.com/sindresorhus/p-waterfall) - Run promise-returning & async functions in series, each passing its result to the next
- [More…](https://github.com/sindresorhus/promise-fun)
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