Coalesce for JavaScript. Returns the first value that is not undefined or null.
Install with npm:
$ npm install --save koalasvar koalas = require('koalas');Coalesce function to find the first valid value. A valid value is one that is not undefined, not null and not NaN (not a number). If no values are valid, then the last argument is returned.
Params
arguments{Mixed}: Pass in any amount of arguments.returns{Mixed}: First valid value.
Example
console.log(koalas(undefined, null, NaN, 'a', 'b'));
//=> 'a'
console.log(koalas(undefined, null, NaN, {a: 'b'}, 'b'));
//=> {a: 'b'}
console.log(koalas(undefined, null, NaN, ['a', 'b', 'c'], {a: 'b'}, 'b'));
//=> ['a', 'b', 'c']
console.log(koalas(undefined, NaN, null));
//=> nullPull requests and stars are always welcome. For bugs and feature requests, please create an issue.
| Commits | Contributor |
|---|---|
| 39 | doowb |
| 1 | jonschlinkert |
(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)
To generate the readme, run the following command:
$ npm install -g verbose/verb#dev verb-generate-readme && verbRunning and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
$ npm install && npm testBrian Woodward
Copyright © 2017, Brian Woodward. Released under the MIT License.
This file was generated by verb-generate-readme, v0.4.3, on April 18, 2017.