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node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js

@@ -2,16 +2,7 @@
 	MIT License http://www.opensource.org/licenses/mit-license.php
 	Author Tobias Koppers @sokra
 */
-var createInnerCallback = require("./createInnerCallback");
-
-function UnsafeCachePlugin(source, filterPredicate, cache, withContext, target) {
-	this.source = source;
-	this.filterPredicate = filterPredicate;
-	this.withContext = withContext;
-	this.cache = cache || {};
-	this.target = target;
-}
-module.exports = UnsafeCachePlugin;
+"use strict";
 
 function getCacheId(request, withContext) {
 	return JSON.stringify({
@@ -22,22 +13,29 @@ function getCacheId(request, withContext) {
 	});
 }
 
-UnsafeCachePlugin.prototype.apply = function(resolver) {
-	var filterPredicate = this.filterPredicate;
-	var cache = this.cache;
-	var target = this.target;
-	var withContext = this.withContext;
-	resolver.plugin(this.source, function(request, callback) {
-		if(!filterPredicate(request)) return callback();
-		var cacheId = getCacheId(request, withContext);
-		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));
-	});
+module.exports = class UnsafeCachePlugin {
+	constructor(source, filterPredicate, cache, withContext, target) {
+		this.source = source;
+		this.filterPredicate = filterPredicate;
+		this.withContext = withContext;
+		this.cache = cache || {};
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver.getHook(this.source).tapAsync("UnsafeCachePlugin", (request, resolveContext, callback) => {
+			if(!this.filterPredicate(request)) return callback();
+			const cacheId = getCacheId(request, this.withContext);
+			const cacheEntry = this.cache[cacheId];
+			if(cacheEntry) {
+				return callback(null, cacheEntry);
+			}
+			resolver.doResolve(target, request, null, resolveContext, (err, result) => {
+				if(err) return callback(err);
+				if(result) return callback(null, this.cache[cacheId] = result);
+				callback();
+			});
+		});
+	}
 };