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Combinar varios objetos en una matriz por id - javascript

Esta es mi primera pregunta, así que por favor sean amables :)

Sé que mi pregunta es similar a muchas otras, y he probado MUCHAS soluciones, pero no obtengo el resultado que necesito.

Tengo una serie de objetos que pueden tener identificaciones duplicadas. Hay 3 objetos para id 'THOM01':

 [ { id: 'MARS03', name: 'Employee 3', T1: 9.23, A6: '', SAT: '', SUN: '', PHW: '', SAN: '', COMM:'', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }, { id: 'THOM01', name: 'Employee 4', T1: '', A6: '', SAT: 4.12, SUN: '', PHW: '', SAN: '', COMM: '', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }, { id: 'THOM01', name: 'Employee 4', T1: '', A6: '', SAT: '', SUN: 6.12, PHW: '', SAN: '', COMM: '', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }, { id: 'THOM01', name: 'Employee 4', T1: 15, A6: '', SAT: '', SUN: '', PHW: '', SAN: '', COMM: '', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' } ]

Los objetos con la misma identificación deben fusionarse (un objeto por empleado). Así que el resultado se vería así:

 [ { id: 'MARS03', name: 'Employee 3', T1: 9.23, A6: '', SAT: '', SUN: '', PHW: '', SAN: '', COMM:'', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }, { id: 'THOM01', name: 'Employee 4', T1: 15, A6: 4.12, SAT: 4.12, SUN: '', PHW: '', SAN: '', COMM: '', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' } ]

Como envío a csv para cargarlo en un sistema de nómina, necesito mantener la estructura/ubicación de los pares clave/valor (incluidos los pares de valores vacíos), pero el orden de los objetos no importa.

Las otras soluciones que probé siempre terminan con un solo valor para las tasas de pago ('T1' a 'otro'). Parece que se sobrescriben ya que cada objeto tiene todos los campos, incluso si están vacíos.

Espero que sea suficiente información. ¡Gracias!

dave

about 4 years ago · Juan Pablo Isaza
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Puede tomar una matriz de claves y reducir los datos tomando un objeto para agrupar.

 const data = [{ id: 'MARS03', name: 'Employee 3', T1: 9.23, A6: '', SAT: '', SUN: '', PHW: '', SAN: '', COMM:'', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }, { id: 'THOM01', name: 'Employee 4', T1: '', A6: '', SAT: 4.12, SUN: '', PHW: '', SAN: '', COMM: '', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }, { id: 'THOM01', name: 'Employee 4', T1: '', A6: '', SAT: '', SUN: 6.12, PHW: '', SAN: '', COMM: '', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }, { id: 'THOM01', name: 'Employee 4', T1: 15, A6: '', SAT: '', SUN: '', PHW: '', SAN: '', COMM: '', BON: '', other: '', quantity: '', leaveDays: '', from: '', to: '', reason: '', costCentre: '', message: '' }], keys = ['T1', 'A6', 'SAT', 'SUN', 'PHW', 'SAN', 'COMM', 'BON', 'other'], result = Object.values(data.reduce((r, o) => { if (r[o.id]) keys.forEach(k => { if (o[k] !== '') r[o.id][k] = (r[o.id][k] || 0) + o[k]; }); else r[o.id] = { ...o }; return r; }, {})); console.log(result);
 .as-console-wrapper { max-height: 100% !important; top: 0; }

about 4 years ago · Juan Pablo Isaza Report
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