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Al mapear una matriz de cadenas, obtener indefinido

¿Cómo mapeo una matriz de cadenas para que sea una matriz de objetos JSON? He intentado lo siguiente en la consola.

 >> entityTypes = ["library"] Array [ "library" ] >> entityTypes.map(type => {name: type}); Array [ undefined ]

La matriz resultante no está definida. Puedo codificar cosas y se ven bien

 >> arr = [{name: "library"}] Array [ {…} ]

Así que no estoy seguro de qué va mal con mi función de mapa.

about 4 years ago · Juan Pablo Isaza
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