@polkadot/util/object/spread.js

A collection of useful utilities for @polkadot

/**
 * @name objectSpread
 * @summary Concats all sources into the destination
 */
export function objectSpread(dest, ...sources) {
    for (let i = 0, count = sources.length; i < count; i++) {
        const src = sources[i];
        if (src) {
            if (typeof src.entries === 'function') {
                for (const [key, value] of src.entries()) {
                    dest[key] = value;
                }
            }
            else {
                Object.assign(dest, src);
            }
        }
    }
    return dest;
}