48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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*/
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"use strict";
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/** @typedef {import("./ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
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/** @typedef {import("./ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
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class MapObjectSerializer {
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/**
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* @template K, V
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* @param {Map<K, V>} obj map
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* @param {ObjectSerializerContext} context context
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*/
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serialize(obj, context) {
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context.write(obj.size);
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for (const key of obj.keys()) {
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context.write(key);
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}
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for (const value of obj.values()) {
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context.write(value);
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}
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}
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/**
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* @template K, V
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* @param {ObjectDeserializerContext} context context
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* @returns {Map<K, V>} map
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*/
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deserialize(context) {
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/** @type {number} */
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let size = context.read();
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/** @type {Map<K, V>} */
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const map = new Map();
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/** @type {K[]} */
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const keys = [];
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for (let i = 0; i < size; i++) {
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keys.push(context.read());
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}
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for (let i = 0; i < size; i++) {
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map.set(keys[i], context.read());
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}
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return map;
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}
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}
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module.exports = MapObjectSerializer;
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