Izmjenjena struktura, dodan backand

web/node_modules/watchpack/lib/watcherManager.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+var path = require("path");
+
+function WatcherManager() {
+	this.directoryWatchers = {};
+}
+
+WatcherManager.prototype.getDirectoryWatcher = function(directory, options) {
+	var DirectoryWatcher = require("./DirectoryWatcher");
+	options = options || {};
+	var key = directory + " " + JSON.stringify(options);
+	if(!this.directoryWatchers[key]) {
+		this.directoryWatchers[key] = new DirectoryWatcher(directory, options);
+		this.directoryWatchers[key].on("closed", function() {
+			delete this.directoryWatchers[key];
+		}.bind(this));
+	}
+	return this.directoryWatchers[key];
+};
+
+WatcherManager.prototype.watchFile = function watchFile(p, options, startTime) {
+	var directory = path.dirname(p);
+	return this.getDirectoryWatcher(directory, options).watch(p, startTime);
+};
+
+WatcherManager.prototype.watchDirectory = function watchDirectory(directory, options, startTime) {
+	return this.getDirectoryWatcher(directory, options).watch(directory, startTime);
+};
+
+module.exports = new WatcherManager();