1 files changed, 65 insertions, 0 deletions
diff --git a/node_modules/enhanced-resolve/lib/RestrictionsPlugin.js b/node_modules/enhanced-resolve/lib/RestrictionsPlugin.js
new file mode 100644
index 0000000..1d87a5f
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/RestrictionsPlugin.js
@@ -0,0 +1,65 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Ivan Kopeykin @vankop
+*/
+
+"use strict";
+
+/** @typedef {import("./Resolver")} Resolver */
+/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
+
+const slashCode = "/".charCodeAt(0);
+const backslashCode = "\\".charCodeAt(0);
+
+const isInside = (path, parent) => {
+	if (!path.startsWith(parent)) return false;
+	if (path.length === parent.length) return true;
+	const charCode = path.charCodeAt(parent.length);
+	return charCode === slashCode || charCode === backslashCode;
+};
+
+module.exports = class RestrictionsPlugin {
+	/**
+	 * @param {string | ResolveStepHook} source source
+	 * @param {Set<string | RegExp>} restrictions restrictions
+	 */
+	constructor(source, restrictions) {
+		this.source = source;
+		this.restrictions = restrictions;
+	}
+
+	/**
+	 * @param {Resolver} resolver the resolver
+	 * @returns {void}
+	 */
+	apply(resolver) {
+		resolver
+			.getHook(this.source)
+			.tapAsync("RestrictionsPlugin", (request, resolveContext, callback) => {
+				if (typeof request.path === "string") {
+					const path = request.path;
+					for (const rule of this.restrictions) {
+						if (typeof rule === "string") {
+							if (!isInside(path, rule)) {
+								if (resolveContext.log) {
+									resolveContext.log(
+										`${path} is not inside of the restriction ${rule}`
+									);
+								}
+								return callback(null, null);
+							}
+						} else if (!rule.test(path)) {
+							if (resolveContext.log) {
+								resolveContext.log(
+									`${path} doesn't match the restriction ${rule}`
+								);
+							}
+							return callback(null, null);
+						}
+					}
+				}
+
+				callback();
+			});
+	}
+};