source: frontend/node_modules/webpack/lib/serialization/SingleItemMiddleware.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
*/

"use strict";

const SerializerMiddleware = require("./SerializerMiddleware");

/** @typedef {EXPECTED_ANY} DeserializedType */
/** @typedef {EXPECTED_ANY[]} SerializedType */
/** @typedef {EXPECTED_OBJECT} Context */

/**
 * Represents SingleItemMiddleware.
 * @extends {SerializerMiddleware<DeserializedType, SerializedType, Context>}
 */
class SingleItemMiddleware extends SerializerMiddleware {
        /**
         * Serializes this instance into the provided serializer context.
         * @param {DeserializedType} data data
         * @param {Context} context context object
         * @returns {SerializedType | Promise<SerializedType> | null} serialized data
         */
        serialize(data, context) {
                return [data];
        }

        /**
         * Restores this instance from the provided deserializer context.
         * @param {SerializedType} data data
         * @param {Context} context context object
         * @returns {DeserializedType | Promise<DeserializedType>} deserialized data
         */
        deserialize(data, context) {
                return data[0];
        }
}

module.exports = SingleItemMiddleware;