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Cómo reducir la matriz de objetos por propiedad específica

Digamos que tenemos la siguiente matriz de objetos:

 const arrOfObjects = [ { name: "A", color: "red", id: 1, }, { name: "B", color: "blue", id: 2, }, { name: "C", color: "green", id: 3, }, { name: "A", color: "red", id: 1, }, { name: "A", color: "red", id: 1, }, { name: "A", color: "red", id: 1, }, { name: "C", color: "green", id: 3, }, ];

Me gustaría reducir esta matriz de objetos por ID de propiedad y agregar a esta quantity de propiedad de objeto que brinda información sobre cuántos objetos idénticos existen en esta matriz.

Esperar resultado:

 const reduced = [ { name: "A", color: "red", id: 1, quntitiy: 4, }, { name: "C", color: "green", id: 3, quntitiy: 2, }, { name: "B", color: "blue", id: 2, quntitiy: 1, }, ];

Estoy seguro, necesito usar el método de reducción.

about 4 years ago · Juan Pablo Isaza
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