2.0.0 • Published 2 years ago
group-by-with-average v2.0.0
group-by-with-average
Collapses an array of objects at the specified object properties and counts average values of specified fields.
npm install group-by-with-average
const groupBy = require('group-by-with-average');
const arr = [
{ name: 'Vasya', who: 'man', weight: 100 },
{ name: 'Vasya', who: 'man', weight: 90 },
{ name: 'Kolya', who: 'man', weight: 50 },
{ name: 'Katya', who: 'woman', weight: 90 },
{ name: 'Olya', who: 'woman', weight: 100 }
];
const whoWithWeight = groupBy(arr, 'who', 'weight');
/* [
{ who: 'man', weight: 80 },
{ who: 'woman', weight: 95 }
]
*/
For more examples of using groupBy see groupByWithSum.
2.0.0
2 years ago