gree_leran/node_modules/webpack/lib/serialization/Serializer.js

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2024-06-14 01:11:29 +00:00
/*
MIT License http://www.opensource.org/licenses/mit-license.php
*/
"use strict";
/**
* @template T, K
* @typedef {import("./SerializerMiddleware")<T, K>} SerializerMiddleware
*/
class Serializer {
/**
* @param {SerializerMiddleware<any, any>[]} middlewares serializer middlewares
* @param {TODO=} context context
*/
constructor(middlewares, context) {
this.serializeMiddlewares = middlewares.slice();
this.deserializeMiddlewares = middlewares.slice().reverse();
this.context = context;
}
/**
* @param {any} obj object
* @param {TODO} context content
* @returns {Promise<any>} result
*/
serialize(obj, context) {
const ctx = { ...context, ...this.context };
let current = obj;
for (const middleware of this.serializeMiddlewares) {
if (current && typeof current.then === "function") {
current = current.then(data => data && middleware.serialize(data, ctx));
} else if (current) {
try {
current = middleware.serialize(current, ctx);
} catch (err) {
current = Promise.reject(err);
}
} else break;
}
return current;
}
/**
* @param {any} value value
* @param {TODO} context context
* @returns {Promise<any>} result
*/
deserialize(value, context) {
const ctx = { ...context, ...this.context };
/** @type {any} */
let current = value;
for (const middleware of this.deserializeMiddlewares) {
if (current && typeof current.then === "function") {
current = current.then(data => middleware.deserialize(data, ctx));
} else {
current = middleware.deserialize(current, ctx);
}
}
return current;
}
}
module.exports = Serializer;