From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 May 2017 15:35:00 +0200
Subject: node_modules

---
 .../enhanced-resolve/lib/UnsafeCachePlugin.js      | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js

(limited to 'node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js')

diff --git a/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js b/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js
new file mode 100644
index 000000000..61d9b4730
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js
@@ -0,0 +1,41 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+var createInnerCallback = require("./createInnerCallback");
+
+function UnsafeCachePlugin(source, filterPredicate, cache, target) {
+	this.source = source;
+	this.filterPredicate = filterPredicate;
+	this.cache = cache || {};
+	this.target = target;
+}
+module.exports = UnsafeCachePlugin;
+
+function getCacheId(request) {
+	return JSON.stringify({
+		context: request.context,
+		path: request.path,
+		query: request.query,
+		request: request.request
+	});
+}
+
+UnsafeCachePlugin.prototype.apply = function(resolver) {
+	var filterPredicate = this.filterPredicate;
+	var cache = this.cache;
+	var target = this.target;
+	resolver.plugin(this.source, function(request, callback) {
+		if(!filterPredicate(request)) return callback();
+		var cacheId = getCacheId(request);
+		var cacheEntry = cache[cacheId];
+		if(cacheEntry) {
+			return callback(null, cacheEntry);
+		}
+		resolver.doResolve(target, request, null, createInnerCallback(function(err, result) {
+			if(err) return callback(err);
+			if(result) return callback(null, cache[cacheId] = result);
+			callback();
+		}, callback));
+	});
+};
-- 
cgit v1.2.3