https://github.com/syarul/monads-maybe

A simple wrapper of javascript statement branching that provide safe error handling and test friendly
https://github.com/syarul/monads-maybe

Last synced: 3 days ago
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A simple wrapper of javascript statement branching that provide safe error handling and test friendly

• Host: GitHub
• URL: https://github.com/syarul/monads-maybe
• Owner: syarul
• License: mit
• Created: 2017-09-24T07:12:45.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2017-09-24T10:09:40.000Z (about 7 years ago)
• Last Synced: 2024-09-23T15:18:04.877Z (about 2 months ago)
• Language: JavaScript
• Homepage:
• Size: 2.93 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: READMe.md
  • License: LICENSE

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README

        
# monads-maybe

A simple wrapper of javascript statement branching that provide safe error handling and test friendly

## Usage

```npm install monads-maybe```

```javascript

import mayBe from 'monads-maybe'

const arr = ['one', 'two', 'three']

const log = console.log.bind(console)

const hasOne = arr.indexOf('one')

let isOne = mayBe.is(~hasOne, 'has one')

log(isOne) // has one

isOne = mayBe.not(~hasOne, 'has one')

log(isOne) // false

const hasFour = arr.indexOf('four')

let isFour = mayBe.not(~hasFour, 'has no four')

log(isFour) // has no four

isFour = mayBe.is(~hasFour, isFour = 'hello', isFour = 'world')

log(isFour) // world

isFour = mayBe.so(~hasFour, true, false)

log(isFour) // false

```

## License

The MIT License (MIT)

Copyright (c) 2017 Shahrul Nizam Selamat