yoastseo-dep/src/worker/transporter/serialize.js

Yoast clientside page analysis

import { isArray, isObject, mapValues } from "lodash-es";

/**
 * Serializes a data structure to transfer it over a web worker message.
 *
 * @param {*} thing The data structure to serialize.
 *
 * @returns {*} The serialized data structure.
 */
export default function serialize( thing ) {
	if ( isArray( thing ) ) {
		return thing.map( serialize );
	}

	const thingIsObject = isObject( thing );

	if ( thingIsObject && thing.serialize ) {
		return thing.serialize();
	}

	if ( thingIsObject ) {
		return mapValues( thing, ( value ) => serialize( value ) );
	}

	return thing;
}