first commit

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

@@ -0,0 +1,80 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+/**
+ * @template T, K, C
+ * @typedef {import("./SerializerMiddleware")<T, K, C>} SerializerMiddleware
+ */
+
+/**
+ * @template DeserializedValue
+ * @template SerializedValue
+ * @template Context
+ */
+class Serializer {
+	/**
+	 * @param {SerializerMiddleware<EXPECTED_ANY, EXPECTED_ANY, EXPECTED_ANY>[]} middlewares serializer middlewares
+	 * @param {Context=} context context
+	 */
+	constructor(middlewares, context) {
+		this.serializeMiddlewares = middlewares.slice();
+		this.deserializeMiddlewares = middlewares.slice().reverse();
+		this.context = context;
+	}
+
+	/**
+	 * @template ExtendedContext
+	 * @param {DeserializedValue | Promise<DeserializedValue>} obj object
+	 * @param {Context & ExtendedContext} context context object
+	 * @returns {Promise<SerializedValue>} result
+	 */
+	serialize(obj, context) {
+		const ctx = { ...context, ...this.context };
+		let current = obj;
+		for (const middleware of this.serializeMiddlewares) {
+			if (
+				current &&
+				typeof (/** @type {Promise<DeserializedValue>} */ (current).then) ===
+					"function"
+			) {
+				current =
+					/** @type {Promise<DeserializedValue>} */
+					(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 /** @type {Promise<SerializedValue>} */ (current);
+	}
+
+	/**
+	 * @template ExtendedContext
+	 * @param {SerializedValue | Promise<SerializedValue>} value value
+	 * @param {Context & ExtendedContext} context object
+	 * @returns {Promise<DeserializedValue>} result
+	 */
+	deserialize(value, context) {
+		const ctx = { ...context, ...this.context };
+		let current = value;
+		for (const middleware of this.deserializeMiddlewares) {
+			current =
+				current &&
+				typeof (/** @type {Promise<SerializedValue>} */ (current).then) ===
+					"function"
+					? /** @type {Promise<SerializedValue>} */ (current).then(data =>
+							middleware.deserialize(data, ctx)
+						)
+					: middleware.deserialize(current, ctx);
+		}
+		return /** @type {Promise<DeserializedValue>} */ (current);
+	}
+}
+
+module.exports = Serializer;