@opengis/fastify-table/server/plugins/util/funcs/unflattenObject.js

core-plugins

/* eslint-disable no-param-reassign */
export default function unflattenObject(flatObj) {
    return Object.keys(flatObj || {}).reduce((acc, key) => {
        const keys = key.split('.');
        keys.reduce((nestedObj, part, index) => {
            if (index === keys.length - 1) {
                // json array
                if (typeof flatObj[key] === 'string' && flatObj[key].startsWith('[')) {
                    try {
                        nestedObj[part] = JSON.parse(flatObj[key]);
                    }
                    catch (err) {
                        console.error(`Error parsing JSON for key ${key}:`, err);
                        nestedObj[part] = flatObj[key]; // fallback to original value if parsing fails
                    }
                }
                else {
                    nestedObj[part] = ['true', 'false'].includes(flatObj[key]) ? JSON.parse(flatObj[key]) : flatObj[key];
                }
            }
            else {
                nestedObj[part] = nestedObj[part] || {};
            }
            return nestedObj[part];
        }, acc);
        return acc;
    }, {});
}