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- "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 };
- let current = value;
- for (const middleware of this.deserializeMiddlewares) {
- current =
- current && typeof current.then === "function"
- ? (current).then(data =>
- middleware.deserialize(data, ctx)
- )
- : middleware.deserialize(current, ctx);
- }
- return current;
- }
- }
- module.exports = Serializer;
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