eachr
Give eachr an item to iterate (array, object or map) and an iterator, then in return eachr gives iterator the value and key of each item, and will stop if the iterator returned false.
Last updated 5 years ago by bevryme .
MIT · Repository · Bugs · Original npm · Tarball · package.json 
$ npm install eachr
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eachr

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Give eachr an item to iterate (array, object or map) and an iterator, then in return eachr gives iterator the value and key of each item, and will stop if the iterator returned false.

Install

npm

  • Install: npm install --save eachr
  • Require: require('eachr')

jspm

<script type="module">
    import * as pkg from '//dev.jspm.io/eachr'
</script>

Editions

This package is published with the following editions:

  • eachr aliases eachr/source/index.js
  • eachr/source/index.js is esnext source code with require for modules
  • eachr/edition-browsers/index.js is esnext compiled for browsers with require for modules

Usage

Eachr accepts an array, object, or map. The iterator is bound to the list, and receives three arguments: the value, key, and list.

// Prepare
const eachr = require('eachr')
const arr = ['first', 'second', 'third']
const obj = {a: 'first', b: 'second', c: 'third'}
const map = new Map([['a', 'first'], ['b', 'second'], ['c', 'third']])
function iterator (value, key) {
	console.log({value: value, key: key})
	if ( value === 'second' ) {
		console.log('break')
		return false
	}
}

// Cycle Array
eachr(arr, iterator)
// {'value': 'first',  'key': 0}
// {'value': 'second', 'key': 1}
// break

// Cycle Object
eachr(obj, iterator)
// {'value': 'first',  'key': 'a'}
// {'value': 'second', 'key': 'b'}
// break

// Cycle Map
eachr(map, iterator)
// {'value': 'first',  'key': 'a'}
// {'value': 'second', 'key': 'b'}
// break

History

Discover the release history by heading on over to the HISTORY.md file.

Contribute

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

Backers

Maintainers

These amazing people are maintaining this project:

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Contributors

These amazing people have contributed code to this project:

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

License

Unless stated otherwise all works are:

and licensed under:

Current Tags

50 Versions

Maintainers (2)
balupton
bevryme
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