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shrine-medco/shrine-webclient/src/main/html/node_modules/gaze/lib/helper.js
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helper.js
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			'use strict';

			var path = require('path');
			var helper = module.exports = {};

			// Returns boolean whether filepath is dir terminated
			helper.isDir = function isDir(dir) {
			if (typeof dir !== 'string') { return false; }
			return (dir.slice(-(path.sep.length)) === path.sep);
			};

			// Create a `key:[]` if doesnt exist on `obj` then push or concat the `val`
			helper.objectPush = function objectPush(obj, key, val) {
			if (obj[key] == null) { obj[key] = []; }
			if (Array.isArray(val)) { obj[key] = obj[key].concat(val); }
			else if (val) { obj[key].push(val); }
			return obj[key] = helper.unique(obj[key]);
			};

			// Ensures the dir is marked with path.sep
			helper.markDir = function markDir(dir) {
			if (typeof dir === 'string' &&
			dir.slice(-(path.sep.length)) !== path.sep &&
			dir !== '.') {
			dir += path.sep;
			}
			return dir;
			};

			// Changes path.sep to unix ones for testing
			helper.unixifyPathSep = function unixifyPathSep(filepath) {
			return (process.platform === 'win32') ? String(filepath).replace(/\\/g, '/') : filepath;
			};

			/**
			* Lo-Dash 1.0.1 <http://lodash.com/>
			* Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
			* Based on Underscore.js 1.4.4 <http://underscorejs.org/>
			* Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
			* Available under MIT license <http://lodash.com/license>
			*/
			helper.unique = function unique() { var array = Array.prototype.concat.apply(Array.prototype, arguments); var result = []; for (var i = 0; i < array.length; i++) { if (result.indexOf(array[i]) === -1) { result.push(array[i]); } } return result; };

			/**
			* Copyright (c) 2010 Caolan McMahon
			* Available under MIT license <https://raw.github.com/caolan/async/master/LICENSE>
			*/
			helper.forEachSeries = function forEachSeries(arr, iterator, callback) {
			if (!arr.length) { return callback(); }
			var completed = 0;
			var iterate = function() {
			iterator(arr[completed], function (err) {
			if (err) {
			callback(err);
			callback = function() {};
			} else {
			completed += 1;
			if (completed === arr.length) {
			callback(null);
			} else {
			iterate();
			}
			}
			});
			};
			iterate();
			};