fix: use slugify for path formatting and keeping diacritics

package.json

@@ -36,7 +36,8 @@
     "netlify-cms-ui-default": "^2.12.2",
     "react": "^16.8.4",
     "react-dom": "^16.8.4",
-    "react-select": "^3.1.0"
+    "react-select": "^3.1.0",
+    "slugify": "^1.5.0"
   },
   "devDependencies": {
     "@babel/core": "^7.11.6",

src/ParentWidget.js

@@ -2,6 +2,7 @@ import React from 'react';
 import AsyncSelect from 'react-select/async';
 import { reactSelectStyles } from 'netlify-cms-ui-default/dist/esm/styles';
 import { NestedCollection } from './NestedCollection';
+import slugify from 'slugify';
 
 const trimStart = (str, prefix) => {
   return str.substring(prefix.length);
@@ -44,7 +45,7 @@ const Option = (props) => {
 
 export const sanitizePath = (path) => {
   const replacement = '-';
-  const sanitizedPath = path.replace(/[^a-z0-9]/gi, replacement).toLowerCase();
+  const sanitizedPath = slugify(path.toLowerCase(), replacement);
 
   // Remove any doubled or leading/trailing replacement characters (that were added in the sanitizers).
   const doubleReplacement = new RegExp(`(?:${replacement})+`, 'g');

src/ParentWidget.test.js

@@ -20,4 +20,12 @@ describe('sanitizePath', () => {
   it('should remove double replacer', () => {
     expect(sanitizePath('Who   Are    We')).toBe('who-are-we');
   });
+
+  it('should keep diacritis', () => {
+    expect(sanitizePath('ăștia sunteți voi')).toBe('astia-sunteti-voi');
+  });
+
+  it('should keep diacritis and remove whitespace, trailing and leading characters', () => {
+    expect(sanitizePath('?ăștia   sunteți voi ?  ')).toBe('astia-sunteti-voi');
+  });
 });

yarn.lock

@@ -7060,6 +7060,11 @@ slice-ansi@^4.0.0:
     astral-regex "^2.0.0"
     is-fullwidth-code-point "^3.0.0"
 
+slugify@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/slugify/-/slugify-1.5.0.tgz#5f3c8e2a84105b54eb51486db1b468a599b3c9b8"
+  integrity sha512-Q2UPZ2udzquy1ElHfOLILMBMqBEXkiD3wE75qtBvV+FsDdZZjUqPZ44vqLTejAVq+wLLHacOMcENnP8+ZbzmIA==
+
 snapdragon-node@^2.0.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"