@ozen-ui/kit/__inner__/esm/utils/object/mergeDeep/mergeDeep.js

React component library

import { __assign } from "tslib";
import { isPlainObject } from '../isPlainObject';
function deepClone(source) {
    if (!isPlainObject(source)) {
        return source;
    }
    var output = {};
    Object.keys(source).forEach(function (key) {
        output[key] = deepClone(source[key]);
    });
    return output;
}
export var mergeDeep = function (target, source, options) {
    if (options === void 0) { options = { clone: true }; }
    var output = options.clone ? __assign({}, target) : target;
    if (isPlainObject(target) && isPlainObject(source)) {
        Object.keys(source).forEach(function (key) {
            // Avoid prototype pollution
            if (key === '__proto__') {
                return;
            }
            if (isPlainObject(source[key]) &&
                key in target &&
                isPlainObject(target[key])) {
                // Since `output` is a clone of `target` and we have narrowed `target` in this block we can cast to the same type.
                output[key] = mergeDeep(target[key], source[key], options);
            }
            else if (options.clone) {
                output[key] = isPlainObject(source[key])
                    ? deepClone(source[key])
                    : source[key];
            }
            else {
                output[key] = source[key];
            }
        });
    }
    return output;
};