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ES2015: Transform Array to Object
Ron McLeod
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posted 4 years ago
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I need to transform an array like this:
[ 'Martin', '
Rose
', 'Quan', 'Rodrigo' ]
to an object like this:
{ id_0: "Martin", id_1: "Rose", id_2: "Quan", id_3: "Rodrigo" }
This code works, but I'm thinking there might be a better way. Any ideas?
function toIdObject(members) { let idObject = {}; Object.entries(members) .map(entry => ({ ['id_' + entry[0]]: entry[1] })) .forEach(x => Object.assign(idObject, x)); return idObject; } const members = ['Martin', 'Rose', 'Quan', 'Rodrigo']; const o = toIdObject(members);
Ron McLeod
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Posts: 4499
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posted 4 years ago
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A better solution:
function toIdObject(members) { return Object.entries(members) .map((entry) => ({ ['id_' + entry[0]]: entry[1] })) .reduce((idObj, x) => Object.assign(idObj, x), {}); } const members = ['Martin', 'Rose', 'Quan', 'Rodrigo']; const o = toIdObject(members);
I still don't like that I need to use
Object.assign
though.
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