1 files changed, 43 insertions, 29 deletions
diff --git a/node_modules/enhanced-resolve/lib/NodeJsInputFileSystem.js b/node_modules/enhanced-resolve/lib/NodeJsInputFileSystem.js
index 28c78ca8a..e090b20db 100644
--- a/node_modules/enhanced-resolve/lib/NodeJsInputFileSystem.js
+++ b/node_modules/enhanced-resolve/lib/NodeJsInputFileSystem.js
@@ -1,29 +1,43 @@
-/*
-	MIT License http://www.opensource.org/licenses/mit-license.php
-	Author Tobias Koppers @sokra
-*/
-var fs = require("graceful-fs");
-
-function NodeJsInputFileSystem() {}
-module.exports = NodeJsInputFileSystem;
-
-NodeJsInputFileSystem.prototype.stat = fs.stat.bind(fs);
-NodeJsInputFileSystem.prototype.readdir = function readdir(path, callback) {
-	fs.readdir(path, function(err, files) {
-		callback(err, files && files.map(function(file) {
-			return file.normalize ? file.normalize("NFC") : file;
-		}));
-	});
-};
-NodeJsInputFileSystem.prototype.readFile = fs.readFile.bind(fs);
-NodeJsInputFileSystem.prototype.readlink = fs.readlink.bind(fs);
-
-NodeJsInputFileSystem.prototype.statSync = fs.statSync.bind(fs);
-NodeJsInputFileSystem.prototype.readdirSync = function readdirSync(path) {
-	var files = fs.readdirSync(path);
-	return files && files.map(function(file) {
-		return file.normalize ? file.normalize("NFC") : file;
-	});
-};
-NodeJsInputFileSystem.prototype.readFileSync = fs.readFileSync.bind(fs);
-NodeJsInputFileSystem.prototype.readlinkSync = fs.readlinkSync.bind(fs);
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const fs = require("graceful-fs");
+
+class NodeJsInputFileSystem {
+	readdir(path, callback) {
+		fs.readdir(path, (err, files) => {
+			callback(err, files && files.map(file => {
+				return file.normalize ? file.normalize("NFC") : file;
+			}));
+		});
+	}
+
+	readdirSync(path) {
+		const files = fs.readdirSync(path);
+		return files && files.map(file => {
+			return file.normalize ? file.normalize("NFC") : file;
+		});
+	}
+}
+
+const fsMethods = [
+	"stat",
+	"statSync",
+	"readFile",
+	"readFileSync",
+	"readlink",
+	"readlinkSync"
+];
+
+for(const key of fsMethods) {
+	Object.defineProperty(NodeJsInputFileSystem.prototype, key, {
+		configurable: true,
+		writable: true,
+		value: fs[key].bind(fs)
+	});
+}
+
+module.exports = NodeJsInputFileSystem;