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wiyoe/lodash-groupby-count.js

Created January 23, 2018 07:30
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Loadash groupBy Count
Raw
lodash-groupby-count.js
var dd = [
{"classroom_fk":9,"classroom_name":"9. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":10,"classroom_name":"10. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":11,"classroom_name":"11. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":11,"classroom_name":"11. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":11,"classroom_name":"11. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":12,"classroom_name":"12. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":12,"classroom_name":"12. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":12,"classroom_name":"12. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":10,"classroom_name":"10. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true},
{"classroom_fk":9,"classroom_name":"9. Sınıf","maxLicenceNumber":100,"licenceCount":6,"pointtype_related":true}
]
var result = _(dd)
.groupBy('classroom_fk')
.map(function(items, classroom_fk) {
return { classroom_fk: classroom_fk, count: items.length };
}).value();
console.log(result);
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