@bemedev/decompose/lib/flatByKey.js

Decompose object and so more

import { DEFAULT_FLAT_OPTIONS } from './types.types.js';

const _flat = (val, omitKey, options, path = '') => {
    const _options = { ...DEFAULT_FLAT_OPTIONS, ...options };
    const { [omitKey]: recursives, ...rest } = val;
    const check = _options.children;
    let out = {};
    out[path === '' ? _options.sep : path] = check ? val : rest;
    if (recursives) {
        for (const key in recursives) {
            if (Object.prototype.hasOwnProperty.call(recursives, key)) {
                const element = recursives[key];
                const inner = _flat(element, omitKey, options, `${path}${_options.sep}${key}`);
                out = { ...out, ...inner };
            }
        }
    }
    return out;
};
const flatByKey = (val, key, options) => _flat(val, key, options);
flatByKey.low = _flat;
flatByKey.strict = _flat;

export { flatByKey };
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