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¿Cómo manipular una matriz de objetos de 2 niveles y transformarla en otra estructura en Javascript?

Tengo la siguiente matriz de objetos que proviene de una consulta MySql:

 [ {col1:1, col2:a}, {col1:1, col2:b}, {col1:1, col2:c}, {col1:2, col2:d}, {col1:2, col2:e}, {col1:2, col2:f}, {col1:3, col2:g}, {col1:3, col2:h} ]

Me gustaría transformarme en el siguiente objeto:

 [ {col1:1, col2:[a,b,c]}, {col1:2, col2:[d,e,f]}, {col1:3, col2:[e,g,h]} ]

¿Hay alguna manera de realizar esta tarea usando el mapa o el filtro de matriz?

about 4 years ago · Juan Pablo Isaza
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