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 a year ago by bevryme .
Artistic-2.0 · Repository · Bugs · Original npm · Tarball · package.json 
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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.

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

Install

npm

  • Install: npm install --save eachr
  • Import: import * as pkg from ('eachr')
  • Require: const pkg = require('eachr')

jspm

<script type="module">
    import * as pkg from '//dev.jspm.io/eachr@6.6.0'
</script>

Editions

This package is published with the following editions:

  • eachr aliases eachr/index.cjs which uses the Editions Autoloader to automatically select the correct edition for the consumer's environment
  • eachr/source/index.js is ESNext source code for Node.js 6 || 8 || 10 || 12 || 14 || 16 || 18 || 20 || 21 with Require for modules
  • eachr/edition-browsers/index.js is ESNext compiled for web browsers with Require for modules
  • eachr/edition-node-6/index.js is ESNext compiled for Node.js 6 with Require for modules

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:

Sponsors

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GitHub Sponsors donate button ThanksDev donate button Patreon donate button Liberapay donate button Buy Me A Coffee donate button Open Collective donate button crypto donate button PayPal donate button

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 (1)
bevryme
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