1 files changed, 75 insertions, 0 deletions
diff --git a/node_modules/enhanced-resolve/lib/JoinRequestPartPlugin.js b/node_modules/enhanced-resolve/lib/JoinRequestPartPlugin.js
new file mode 100644
index 00000000..21c2cae0
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/JoinRequestPartPlugin.js
@@ -0,0 +1,75 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+/** @typedef {import("./Resolver")} Resolver */
+/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
+/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
+
+const namespaceStartCharCode = "@".charCodeAt(0);
+
+module.exports = class JoinRequestPartPlugin {
+	/**
+	 * @param {string | ResolveStepHook} source source
+	 * @param {string | ResolveStepHook} target target
+	 */
+	constructor(source, target) {
+		this.source = source;
+		this.target = target;
+	}
+
+	/**
+	 * @param {Resolver} resolver the resolver
+	 * @returns {void}
+	 */
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync(
+				"JoinRequestPartPlugin",
+				(request, resolveContext, callback) => {
+					const req = request.request || "";
+					let i = req.indexOf("/", 3);
+
+					if (i >= 0 && req.charCodeAt(2) === namespaceStartCharCode) {
+						i = req.indexOf("/", i + 1);
+					}
+
+					/** @type {string} */
+					let moduleName;
+					/** @type {string} */
+					let remainingRequest;
+					/** @type {boolean} */
+					let fullySpecified;
+					if (i < 0) {
+						moduleName = req;
+						remainingRequest = ".";
+						fullySpecified = false;
+					} else {
+						moduleName = req.slice(0, i);
+						remainingRequest = "." + req.slice(i);
+						fullySpecified = /** @type {boolean} */ (request.fullySpecified);
+					}
+					/** @type {ResolveRequest} */
+					const obj = {
+						...request,
+						path: resolver.join(
+							/** @type {string} */
+							(request.path),
+							moduleName
+						),
+						relativePath:
+							request.relativePath &&
+							resolver.join(request.relativePath, moduleName),
+						request: remainingRequest,
+						fullySpecified
+					};
+					resolver.doResolve(target, obj, null, resolveContext, callback);
+				}
+			);
+	}
+};