https://github.com/Andarist/callbag-default-if-empty

👜 Callbag operator which emits a given value when source completes without emitting any value.
https://github.com/Andarist/callbag-default-if-empty

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Last synced: 3 months ago
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👜 Callbag operator which emits a given value when source completes without emitting any value.

• Host: GitHub
• URL: https://github.com/Andarist/callbag-default-if-empty
• Owner: Andarist
• Created: 2018-07-20T16:22:38.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2018-10-11T19:53:14.000Z (over 6 years ago)
• Last Synced: 2024-10-20T06:23:11.782Z (3 months ago)
• Topics: callbag, callbags
• Language: JavaScript
• Homepage:
• Size: 3.91 KB
• Stars: 3
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-callbags - default-if-empty

README

        
# callbag-default-if-empty

Callbag operator which emits a given value when source completes without emitting any value.

## Example

```js

import defaultIfEmpty from 'callbag-default-if-empty'

import forEach from 'callbag-for-each'

import fromEvent from 'callbag-from-event'

import interval from 'callbag-interval'

import pipe from 'callbag-pipe'

import takeUntil from 'callbag-take-until'

pipe(

  fromEvent(document, 'click'),

  takeUntil(interval(5000)),

  defaultIfEmpty('no clicks'),

  forEach(eventOrDefault => {

    console.log(eventOrDefault)

  }),

)

```