JSON ACLATEN JAVASCRIPT
const flatten = (object, prefix = '') =>
Object.keys(object).reduce(
(prev, element) =>
object[element] &&
typeof object[element] === 'object' &&
!Array.isArray(object[element])
? { ...prev, ...flatten(object[element], `${prefix}${element}.`) }
: { ...prev, ...{ [`${prefix}${element}`]: object[element] } },
{},
);
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