array-group-by-to-map-ponyfill
Advanced tools
Changelog
[2.0.0][] - 2021-12-16
MapReadme
Array.prototype.groupByToMap
ponyfill.
A proposal to make grouping of items in an array easier.
npm install array-group-by-to-map-ponyfill --save
import groupByToMap from 'array-group-by-to-map-ponyfill';
groupByToMap([1, 2, 3, 4, 5], (value) => (value % 2 === 0 ? 'even' : 'odd'));
// Map([['odd', [1, 3, 5]], ['even', [2, 4]]])
You can use named export preferNative if you wish to use native
implementation if it’s available. In all other cases, ponyfill will be used.
Beware of
caveats!
Returns: Map
Group array items to map.
Type: any[]
Array to group.
Type: Function
Callback which should return key with which to group array.
| Argument | Type | Description |
|---|---|---|
value | any | Current iteration value. |
index | number | Current iteration index. |
array | any[] | Original array reference. |
Tested in Chrome 72, Edge 15, Firefox 65 and should work in all modern browsers (support based on Browserslist configuration).
Test suite is taken and modified from core-js test suite.
For automated tests, run npm run test:automated (append :watch for watcher
support).
MIT © Ivan Nikolić
FAQs
`Array.prototype.groupByToMap` ponyfill.
The npm package array-group-by-to-map-ponyfill receives a total of 8 weekly downloads. As such, array-group-by-to-map-ponyfill popularity was classified as not popular.
We found that array-group-by-to-map-ponyfill demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
NIST's new AI Risk Management Framework aims to enhance the security and reliability of generative AI systems and address the unique challenges of malicious AI exploits.
Security News
This episode of the Risky Biz podcast discusses how the rise of small open source packages and the shift towards individual maintainers makes the ecosystem more vulnerable to supply chain attacks.
Product
Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.