# thenction

**Repository Path**: mirrors_MakeNowJust/thenction

## Basic Information

- **Project Name**: thenction
- **Description**: thenction is an abbreviation of thenable function.
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-09-25
- **Last Updated**: 2026-05-31

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# thenction [![npm](https://img.shields.io/npm/v/thenction.svg?style=flat-square)](https://www.npmjs.com/package/thenction) [![Travis](https://img.shields.io/travis/MakeNowJust/thenction.svg?style=flat-square)](https://travis-ci.org/MakeNowJust/thenction) [![SUSHI-WARE LICENSE](https://img.shields.io/badge/license-SUSHI--WARE%F0%9F%8D%A3-blue.svg?style=flat-square)](https://github.com/MakeNowJust/sushi-ware)

> thenction is an abbreviation of thenable function.

## Install

```console
$ npm i -S thenction
```

## Usage

```javascript
const thenction = require('thenction')(Promise)
// or: const thenction = require('thenction')(require('your-favorite-promise-lib'))

const twiceLog = thenction(value => value * 2).then(value => (console.log(value), value))

Promise.resolve(2).then(twiceLog)
//=> 4

twiceLog(2).then(value => console.log(value))
//=> 4
//=> 4

Promise.resolve(2).then(twiceLog.then(twiceLog))
//=> 4
//=> 8

const twiceLogSleep = twiceLog
  .then(value => new Promise(resolve => setTimeout(resolve, 1000, value)))

Promise.resolve(2).then(twiceLogSleep).then(twiceLog)
//=> 4
// after 1s
//=> 8

const twiceLogError = twiceLog
  .then(value => { throw new Error('wow') })
  .catch(error => console.log(error))

Promise.resolve(2).then(twiceLogError)
//=> 4
//=> Error: wow
```

## API

### require('thenction')(Promise)

Returns a `thenction(baseFn)` function.

#### Promise

Type: `Fucntion`

Your favorite Promise implementation

### thenction(baseFn)

Returns a **thenable function**.

#### baseFn

Type: `Function`

Base function to be composed by `then` and `catch`.

### thenableFunction.then(onFulfilled, [onRejected])

#### onFulfilled

Type: `Function`

#### onRejected

Type: `Function`

### thenableFunction.catch(onRejected)

#### onRejected

Type: `Function`

## License

MIT and [:sushi:](https://github.com/MakeNowJust/sushi-ware)
© TSUYUSATO "[MakeNowJust](https://quine.codes)" Kitsune <<make.just.on@gmail.com>> 2016