1.3.1 • Published 2 years ago

@g2crowd/extract-options v1.3.1

Weekly downloads
267
License
MIT
Repository
github
Last release
2 years ago

extract-options

This package is responsible for extracting a subset of a hash, based on a namespaced key.

It is useful for reading options out of DOM data attributes, where there may be multiple keys with different concerns.

Installation

npm install @g2crowd/extract-options --save

Usage

This will create a new hash, seperating out keys based on a common prefix:

import { extractOptions } from '@g2crowd/extract-options';
const startingHash = { prefixOne: 1, prefixTwo: 2, otherKey: 3 };

extractOptions(startingHash, 'prefix'); //=> { one: 1, two: 2 }

It will treat keys with an Options suffix as special. It will expect a hash of raw options to follow:

const startingHash = { prefixOne: 1, prefixTwo: 2, otherKey: 3, prefixOptions: { three: 3 } };

extractOptions(startingHash, 'prefix'); //=> { one: 1, two: 2, three: 3 }

Pairs nicely with jQuery.data:

<div id="element" data-prefix-one="1" data-prefix-two="2" data-other-key="3"></div>
let data = $('#element').data();
const options = extractOptions(data, 'prefix'); //=> { one: 1, two: 2 }
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