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group-by
Advanced tools
Readme
Group an array of values by property or callback function.
$ component install component/group-by
$ npm install group-by
Map returning a new array:
var groupBy = require('group-by');
var log1 = { type: 'log', version: '1.0.0' };
var log2 = { type: 'log', version: '1.1.0' };
var log3 = { type: 'log', version: '1.3.0' };
var app1 = { type: 'app', version: '1.0.0' };
var app2 = { type: 'app', version: '1.1.0' };
var nodes = [log1, app1, log2, log3, app2];
groupBy(nodes, 'type');
yields:
{ log:
[ { type: 'log', version: '1.0.0' },
{ type: 'log', version: '1.1.0' },
{ type: 'log', version: '1.3.0' } ],
app:
[ { type: 'app', version: '1.0.0' },
{ type: 'app', version: '1.1.0' } ] }
Group with an arbitrary fn
, returning a key name:
groupBy(users, function(user){
return user.pets.length
? 'hasPets'
: 'noPets';
})
MIT
FAQs
Group an array by property values or callback
The npm package group-by receives a total of 2,593 weekly downloads. As such, group-by popularity was classified as popular.
We found that group-by 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.
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