1 files changed, 46 insertions, 0 deletions
diff --git a/node_modules/enhanced-resolve/lib/ModulesInHierachicDirectoriesPlugin.js b/node_modules/enhanced-resolve/lib/ModulesInHierachicDirectoriesPlugin.js
new file mode 100644
index 000000000..cb942ce94
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/ModulesInHierachicDirectoriesPlugin.js
@@ -0,0 +1,46 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+var createInnerCallback = require("./createInnerCallback");
+var forEachBail = require("./forEachBail");
+var getPaths = require("./getPaths");
+
+function ModulesInHierachicDirectoriesPlugin(source, directories, target) {
+	this.source = source;
+	this.directories = [].concat(directories);
+	this.target = target;
+}
+module.exports = ModulesInHierachicDirectoriesPlugin;
+
+ModulesInHierachicDirectoriesPlugin.prototype.apply = function(resolver) {
+	var directories = this.directories;
+	var target = this.target;
+	resolver.plugin(this.source, function(request, callback) {
+		var fs = this.fileSystem;
+		var topLevelCallback = callback;
+		var addrs = getPaths(request.path).paths.map(function(p) {
+			return directories.map(function(d) {
+				return this.join(p, d);
+			}, this);
+		}, this).reduce(function(array, p) {
+			array.push.apply(array, p);
+			return array;
+		}, []);
+		forEachBail(addrs, function(addr, callback) {
+			fs.stat(addr, function(err, stat) {
+				if(!err && stat && stat.isDirectory()) {
+					var obj = Object.assign({}, request, {
+						path: addr,
+						request: "./" + request.request
+					});
+					var message = "looking for modules in " + addr;
+					return resolver.doResolve(target, obj, message, createInnerCallback(callback, topLevelCallback));
+				}
+				if(topLevelCallback.log) topLevelCallback.log(addr + " doesn't exist or is not a directory");
+				if(topLevelCallback.missing) topLevelCallback.missing.push(addr);
+				return callback();
+			});
+		}, callback);
+	});
+};