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