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

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

"use strict";

/** @typedef {import("./ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("./ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */

class SetObjectSerializer {
        /**
         * Serializes this instance into the provided serializer context.
         * @template T
         * @param {Set<T>} obj set
         * @param {ObjectSerializerContext} context context
         */
        serialize(obj, context) {
                context.write(obj.size);
                for (const value of obj) {
                        context.write(value);
                }
        }

        /**
         * Restores this instance from the provided deserializer context.
         * @template T
         * @param {ObjectDeserializerContext} context context
         * @returns {Set<T>} date
         */
        deserialize(context) {
                /** @type {number} */
                const size = context.read();
                /** @type {Set<T>} */
                const set = new Set();
                for (let i = 0; i < size; i++) {
                        set.add(context.read());
                }
                return set;
        }
}

module.exports = SetObjectSerializer;