From bbff7403fbf46f9ad92240ac213df8d30ef31b64 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Thu, 20 Sep 2018 02:56:13 +0200
Subject: update packages

---
 .../enhanced-resolve/lib/MainFieldPlugin.js        | 100 +++++++++++----------
 1 file changed, 52 insertions(+), 48 deletions(-)

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

diff --git a/node_modules/enhanced-resolve/lib/MainFieldPlugin.js b/node_modules/enhanced-resolve/lib/MainFieldPlugin.js
index 45ecd4b23..3bcd36ce5 100644
--- a/node_modules/enhanced-resolve/lib/MainFieldPlugin.js
+++ b/node_modules/enhanced-resolve/lib/MainFieldPlugin.js
@@ -1,48 +1,52 @@
-/*
-	MIT License http://www.opensource.org/licenses/mit-license.php
-	Author Tobias Koppers @sokra
-*/
-var path = require("path");
-
-function MainFieldPlugin(source, options, target) {
-	this.source = source;
-	this.options = options;
-	this.target = target;
-}
-module.exports = MainFieldPlugin;
-
-MainFieldPlugin.prototype.apply = function(resolver) {
-	var target = this.target;
-	var options = this.options;
-	resolver.plugin(this.source, function mainField(request, callback) {
-		if(request.path !== request.descriptionFileRoot) return callback();
-		var content = request.descriptionFileData;
-		var filename = path.basename(request.descriptionFilePath);
-		var mainModule;
-		var field = options.name;
-		if(Array.isArray(field)) {
-			var current = content;
-			for(var j = 0; j < field.length; j++) {
-				if(current === null || typeof current !== "object") {
-					current = null;
-					break;
-				}
-				current = current[field[j]];
-			}
-			if(typeof current === "string") {
-				mainModule = current;
-			}
-		} else {
-			if(typeof content[field] === "string") {
-				mainModule = content[field];
-			}
-		}
-		if(!mainModule) return callback();
-		if(options.forceRelative && !/^\.\.?\//.test(mainModule))
-			mainModule = "./" + mainModule;
-		var obj = Object.assign({}, request, {
-			request: mainModule
-		});
-		return resolver.doResolve(target, obj, "use " + mainModule + " from " + options.name + " in " + filename, callback);
-	});
-};
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+
+module.exports = class MainFieldPlugin {
+	constructor(source, options, target) {
+		this.source = source;
+		this.options = options;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver.getHook(this.source).tapAsync("MainFieldPlugin", (request, resolveContext, callback) => {
+			if(request.path !== request.descriptionFileRoot) return callback();
+			if(request.alreadyTriedMainField === request.descriptionFilePath) return callback();
+			const content = request.descriptionFileData;
+			const filename = path.basename(request.descriptionFilePath);
+			let mainModule;
+			const field = this.options.name;
+			if(Array.isArray(field)) {
+				let current = content;
+				for(let j = 0; j < field.length; j++) {
+					if(current === null || typeof current !== "object") {
+						current = null;
+						break;
+					}
+					current = current[field[j]];
+				}
+				if(typeof current === "string") {
+					mainModule = current;
+				}
+			} else {
+				if(typeof content[field] === "string") {
+					mainModule = content[field];
+				}
+			}
+			if(!mainModule) return callback();
+			if(this.options.forceRelative && !/^\.\.?\//.test(mainModule))
+				mainModule = "./" + mainModule;
+			const obj = Object.assign({}, request, {
+				request: mainModule,
+				alreadyTriedMainField: request.descriptionFilePath
+			});
+			return resolver.doResolve(target, obj, "use " + mainModule + " from " + this.options.name + " in " + filename, resolveContext, callback);
+		});
+	}
+};
-- 
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