webpack/lib/serialization/SingleItemMiddleware.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
*/

"use strict";

const SerializerMiddleware = require("./SerializerMiddleware");

/** @typedef {EXPECTED_ANY} DeserializedType */
/** @typedef {EXPECTED_ANY[]} SerializedType */
/** @typedef {EXPECTED_OBJECT} Context */

/**
 * Represents SingleItemMiddleware.
 * @extends {SerializerMiddleware<DeserializedType, SerializedType, Context>}
 */
class SingleItemMiddleware extends SerializerMiddleware {
	/**
	 * Serializes this instance into the provided serializer context.
	 * @param {DeserializedType} data data
	 * @param {Context} context context object
	 * @returns {SerializedType | Promise<SerializedType> | null} serialized data
	 */
	serialize(data, context) {
		return [data];
	}

	/**
	 * Restores this instance from the provided deserializer context.
	 * @param {SerializedType} data data
	 * @param {Context} context context object
	 * @returns {DeserializedType | Promise<DeserializedType>} deserialized data
	 */
	deserialize(data, context) {
		return data[0];
	}
}

module.exports = SingleItemMiddleware;