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/*
MIT License http://www.opensource.org/licenses/mit-license.php
*/
"use strict";
class Serializer {
constructor(middlewares, context) {
this.serializeMiddlewares = middlewares.slice();
this.deserializeMiddlewares = middlewares.slice().reverse();
this.context = context;
}
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;
}
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;
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