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ernestlv/array2map.js

Created June 6, 2023 15:24
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convert arr to map
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array2map.js
/* converts an array of the form [ { key, value } ] to a map of the form { key:value } */
const arr = [{key:"123", value:"abc"}, {key:"456", value:"def"}, {key:"789", value:"ghi"}];
const map = arr.reduce((res, o) => ({ ...res, [o.key]:o }), {});
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