Feature/slugify fix for accents (#309)

* wip new slugify function

* New slugify function

* Added changelog

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](http://keepachangelog.com/) 
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 Always reference the ticket number at the end of the issue description.
@@ -14,6 +14,16 @@ Always reference the ticket number at the end of the issue description.
 - added black check into CI
 
 
+## 1.3.3
+
+### Changed
+- Changed slugify function
+
+### Breaking
+- Previous slugify ignored characters with accents (é á etc...)
+  This can affect existing slug depending on how the project is setup
+
+
 ## 1.3.3
 
 - fix bug with iframe view containing params
@@ -71,7 +81,7 @@ Always reference the ticket number at the end of the issue description.
 - added collapsible and collapsible_gettext helper functions to help define
   form layouts.
 - added confirmation dialog support in Form actions [#294][294]
-- added modal iFrame support in Lists (`tool_links`, `field_links`, 
+- added modal iFrame support in Lists (`tool_links`, `field_links`,
   `action_links`) and Forms (`actions`) [#243][243]
 - extended tutorial documentation of Forms.
 
@@ -98,7 +108,7 @@ Always reference the ticket number at the end of the issue description.
 ## Removed
 
 - QuickFiltersFormMixin this is no longer needed, the same functionality can be
-  added by using a `ChoiceField` with a `QuickFiltersSelect` or a 
+  added by using a `ChoiceField` with a `QuickFiltersSelect` or a
   `QuickFiltersSelectMultiple` widget.
 
 
@@ -201,7 +211,7 @@ Always reference the ticket number at the end of the issue description.
 
 ## Added
 
-- `DataListView`, a `ListView` that uses APIs as source of data - [#172][172] 
+- `DataListView`, a `ListView` that uses APIs as source of data - [#172][172]
 - Float Labels option for form displays - [#221][221]
 
 ## Changed
@@ -262,12 +272,12 @@ Always reference the ticket number at the end of the issue description.
 
 ### Changed
 
-- Simplified the frontend tooling, removing Bower and foundation-cli, setup is 
+- Simplified the frontend tooling, removing Bower and foundation-cli, setup is
   now based on npm and gulp - [#161][161]
 
 ### Fixed
 
-- In the listview, don't generate NoReverseMatch exception if any value of 
+- In the listview, don't generate NoReverseMatch exception if any value of
   the arguments is None.
 
 [161]: //github.com/sanoma/django-arctic/issues/161
@@ -277,7 +287,7 @@ Always reference the ticket number at the end of the issue description.
 
 ### Changed
 
-- `FormView`, `CreateView` and `UpdateView` added a `layout` property to 
+- `FormView`, `CreateView` and `UpdateView` added a `layout` property to
   easily customize positioning and width of form fields - [#75][75]
 - Added support for virtual fields in `ListView` - [#73][73]
 - Improved the date/time picker in Date/Time fields - [#78][78]

arctic/static/arctic/src/assets/js/utils/helpers.js

@@ -37,8 +37,15 @@ window.arctic.utils = {
     },
 
     slugify: function ( text ) {
+        text = text.toLowerCase();
+
+        // remove accents, swap ñ for n, etc
+        let from = 'àáäâèéëêìíïîòóöôùúüûñç';
+        let to   = 'aaaaeeeeiiiioooouuuunc';
+        for (let i=0, l=from.length ; i<l ; i++) {
+            text = text.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
+        }
         return text
-            .toLowerCase()
             .replace( /[^\w ]+/g, '' )
             .replace( / +/g, '-' );
     }