feat(spellcheck): add Ukrainian language for spellcheck (#1382)

src/browser/components/SettingsPage.jsx

@@ -714,7 +714,7 @@ export default class SettingsPage extends React.Component {
         {'Check spelling'}
         <HelpBlock>
           {'Highlight misspelled words in your messages.'}
-          {' Available for English, French, German, Portuguese, Russian, Spanish, and Dutch.'}
+          {' Available for English, French, German, Portuguese, Russian, Ukrainian, Spanish, and Dutch.'}
         </HelpBlock>
       </Checkbox>);
 

src/browser/js/contextMenu.js

@@ -30,6 +30,7 @@ function getSpellCheckerLocaleMenus(onSelectSpellCheckerLocale) {
     {language: 'Polish', locale: 'pl-PL'},
     {language: 'Portuguese (BR)', locale: 'pt-BR'},
     {language: 'Russian', locale: 'ru-RU'},
+    {language: 'Ukrainian', locale: 'uk-UA'},
     {language: 'Spanish (ES)', locale: 'es-ES'},
     {language: 'Spanish (MX)', locale: 'es-MX'},
     {language: 'Dutch', locale: 'nl-NL'},

src/main/SpellChecker.js

@@ -119,5 +119,8 @@ SpellChecker.getSpellCheckerLocale = (electronLocale) => {
   if (electronLocale.match(/^ru-?/)) {
     return 'ru-RU';
   }
+  if (electronLocale.match(/^uk-?/)) {
+    return 'uk-UA';
+  }
   return 'en-US';
 };

test/specs/spellchecker_test.js

@@ -36,6 +36,9 @@ describe('main/Spellchecker.js', function() {
 
       SpellChecker.getSpellCheckerLocale('ru').should.equal('ru-RU');
       SpellChecker.getSpellCheckerLocale('ru-RU').should.equal('ru-RU');
+
+      SpellChecker.getSpellCheckerLocale('uk').should.equal('uk-UA');
+      SpellChecker.getSpellCheckerLocale('uk-UA').should.equal('uk-UA');
     });
   });
 
@@ -134,6 +137,25 @@ describe('main/Spellchecker.js', function() {
     });
   });
 
+  describe('uk-UA', function() {
+    let spellchecker = null;
+
+    before(function(done) {
+      spellchecker = new SpellChecker(
+        'uk-UA',
+        path.resolve(__dirname, '../../src/node_modules/simple-spellchecker/dict'),
+        done
+      );
+    });
+
+    it('should spellcheck', function() {
+      spellchecker.spellCheck('українська').should.equal(true);
+    });
+    it('should give suggestions', function() {
+      spellchecker.getSuggestions('украінська', 1).length.should.be.equal(1);
+    });
+  });
+
   describe('de-DE', function() {
     let spellchecker = null;