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Cómo obtener una matriz específica de objetos de matrices en javascript

Digamos que tengo un objeto:

 "changes": { "attr1" : [ "sub_attr1": false, "sub_attr2": true, ... ], "attr2" : [ "sub_attr1": false, "sub_attr2": true, ... ], ... }

Quiero extraer un atributo específico del objeto de changes a uno nuevo. Digamos que quiero extraer attr1 .

 "new_obj" : [ "sub_attr1": false, "sub_attr2": true, ... ]

y

 "changes": { "attr2" : [ "sub_attr1": false, "sub_attr2": true, ... ], ... }

¿Cómo puedo lograr esto?

about 4 years ago · Juan Pablo Isaza
2 answers
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0

Algo como esto funcionará.

 const extract = (obj, keyToExtract) => { const entries = Object.entries(obj); const entry = entries.find(([key, value]) => key === keyToExtract); if(entry) { delete obj[keyToExtract] return { "new_obj": entry[1] } } } extract(obj.changes, "attr1")
about 4 years ago · Juan Pablo Isaza Report

0

Se changes é um objeto então você pode buscar os filhos dele assim changes.filho (objeto)

Sendo arreglo: cambios['filho'] (arreglo)

about 4 years ago · Juan Pablo Isaza Report
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