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node_modules/enhanced-resolve/lib/DescriptionFileUtils.js

@@ -2,14 +2,16 @@
 	MIT License http://www.opensource.org/licenses/mit-license.php
 	Author Tobias Koppers @sokra
 */
-var forEachBail = require("./forEachBail");
+"use strict";
 
-function loadDescriptionFile(resolver, directory, filenames, callback) {
+const forEachBail = require("./forEachBail");
+
+function loadDescriptionFile(resolver, directory, filenames, resolveContext, callback) {
 	(function findDescriptionFile() {
-		forEachBail(filenames, function(filename, callback) {
-			var descriptionFilePath = resolver.join(directory, filename);
+		forEachBail(filenames, (filename, callback) => {
+			const descriptionFilePath = resolver.join(directory, filename);
 			if(resolver.fileSystem.readJson) {
-				resolver.fileSystem.readJson(descriptionFilePath, function(err, content) {
+				resolver.fileSystem.readJson(descriptionFilePath, (err, content) => {
 					if(err) {
 						if(typeof err.code !== "undefined") return callback();
 						return onJson(err);
@@ -17,10 +19,11 @@ function loadDescriptionFile(resolver, directory, filenames, callback) {
 					onJson(null, content);
 				});
 			} else {
-				resolver.fileSystem.readFile(descriptionFilePath, function(err, content) {
+				resolver.fileSystem.readFile(descriptionFilePath, (err, content) => {
 					if(err) return callback();
+					let json;
 					try {
-						var json = JSON.parse(content);
+						json = JSON.parse(content);
 					} catch(e) {
 						onJson(e);
 					}
@@ -30,8 +33,8 @@ function loadDescriptionFile(resolver, directory, filenames, callback) {
 
 			function onJson(err, content) {
 				if(err) {
-					if(callback.log)
-						callback.log(descriptionFilePath + " (directory description file): " + err);
+					if(resolveContext.log)
+						resolveContext.log(descriptionFilePath + " (directory description file): " + err);
 					else
 						err.message = descriptionFilePath + " (directory description file): " + err;
 					return callback(err);
@@ -42,7 +45,7 @@ function loadDescriptionFile(resolver, directory, filenames, callback) {
 					path: descriptionFilePath
 				});
 			}
-		}, function(err, result) {
+		}, (err, result) => {
 			if(err) return callback(err);
 			if(result) {
 				return callback(null, result);
@@ -61,8 +64,8 @@ function loadDescriptionFile(resolver, directory, filenames, callback) {
 function getField(content, field) {
 	if(!content) return undefined;
 	if(Array.isArray(field)) {
-		var current = content;
-		for(var j = 0; j < field.length; j++) {
+		let current = content;
+		for(let j = 0; j < field.length; j++) {
 			if(current === null || typeof current !== "object") {
 				current = null;
 				break;
@@ -81,9 +84,9 @@ function getField(content, field) {
 
 function cdUp(directory) {
 	if(directory === "/") return null;
-	var i = directory.lastIndexOf("/"),
+	const i = directory.lastIndexOf("/"),
 		j = directory.lastIndexOf("\\");
-	var p = i < 0 ? j : j < 0 ? i : i < j ? j : i;
+	const p = i < 0 ? j : j < 0 ? i : i < j ? j : i;
 	if(p < 0) return null;
 	return directory.substr(0, p || 1);
 }