@wordpress/block-editor/src/hooks/utils.js

Generic block editor.

/**
 * External dependencies
 */
import { pickBy, isEqual, isObject, identity, mapValues } from 'lodash';

/**
 * Removed undefined values from nested object.
 *
 * @param {*} object
 * @return {*} Object cleaned from undefined values
 */
export const cleanEmptyObject = ( object ) => {
	if ( ! isObject( object ) ) {
		return object;
	}
	const cleanedNestedObjects = pickBy(
		mapValues( object, cleanEmptyObject ),
		identity
	);
	return isEqual( cleanedNestedObjects, {} )
		? undefined
		: cleanedNestedObjects;
};