softkave-js-utils/build/object/mergeObjects.js

JavaScript & Typescript utility functions, types, and classes

import { mergeWith } from 'lodash-es';
export const mergeObjects = (dest, source, meta = { arrayUpdateStrategy: 'replace' }) => {
    const result = mergeWith(dest, source, (objValue, srcValue) => {
        if (Array.isArray(objValue) && srcValue) {
            if (meta.arrayUpdateStrategy === 'concat') {
                return objValue.concat(srcValue);
            }
            else if (meta.arrayUpdateStrategy === 'replace') {
                return srcValue;
            }
            else if (meta.arrayUpdateStrategy === 'retain') {
                return objValue;
            }
            // No need to handle the "merge" arrayUpdateStrategy, it happens by
            // default if nothing is returned
        }
    });
    return result;
};
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