Abstract and simplify route

source/scripts/services/route.js.coffee

@@ -29,9 +29,14 @@ angular.module("sideBySide").service "route", ['$location', ($location) ->
 				return key + ":" + val.join(',')
 		value
 
+	@get = () ->
+		(property + ':' + getValue(value) \
+			for property, value of @params when value)
+		.join('/')
+
 	@update = (key, value) ->
 		@params[key] = value
-		$location.path (property + ':' + getValue(value) for property, value of @params).join('/')
+		$location.path @get()
 
 	@
 ]

source/tests/services/route.js.coffee

@@ -21,32 +21,19 @@ test "has app url", () ->
 
 test "gets parameters", () ->
 	setup()
-	deepEqual route.params, {
-		'asdf': 'zxcv'
-		'qwerty': 'asdf'
-		'base': ''
-	}
+	equal route.get(), 'asdf:zxcv/qwerty:asdf'
 
 test "updates parameters", () ->
 	setup()
 	route.update('asdf', 'hjkl')
-	deepEqual route.params, {
-		'asdf': 'hjkl'
-		'qwerty': 'asdf'
-		'base': ''
-	}
+	equal route.get(), 'asdf:hjkl/qwerty:asdf'
 
 test "adds parameter", () ->
 	setup()
 	route.update('new', 'one')
-	deepEqual route.params, {
-		'asdf': 'zxcv'
-		'qwerty': 'asdf'
-		'base': ''
-		'new': 'one'
-	}
+	equal route.get(), 'asdf:zxcv/qwerty:asdf/new:one'
 
-test "gets arrays", () ->
+test "processes arrays from url", () ->
 	setup('http://example.com', '/display:Language:Czech,English', '')
 
 	deepEqual route.params, {