Spellcheck: Use full locale, otherwise all which match base

app/spell_check.ts

@@ -15,18 +15,16 @@ export function getLanguages(
   userLocale: string,
   availableLocales: ReadonlyArray<string>
 ): Array<string> {
-  const baseLocale = userLocale.split('-')[0];
-  // Attempt to find the exact locale
-  const candidateLocales = uniq([userLocale, baseLocale]).filter(l =>
+  // First attempt to find the exact locale
+  const candidateLocales = uniq([userLocale, userLocale]).filter(l =>
     availableLocales.includes(l)
   );
-
   if (candidateLocales.length > 0) {
     return candidateLocales;
   }
 
-  // If no languages were found then just return all locales that start with the
-  // base
+  // If no languages were found then return all locales that start with the base
+  const baseLocale = userLocale.split('-')[0];
   return uniq(availableLocales.filter(l => l.startsWith(baseLocale)));
 }
 

ts/test-node/app/spell_check_test.ts

@@ -10,7 +10,6 @@ describe('SpellCheck', () => {
     it('works with locale and base available', () => {
       assert.deepEqual(getLanguages('en-US', ['en-US', 'en-CA', 'en']), [
         'en-US',
-        'en',
       ]);
     });
 
@@ -22,7 +21,7 @@ describe('SpellCheck', () => {
     });
 
     it('works with only base locale available', () => {
-      assert.deepEqual(getLanguages('en-US', ['en', 'en-CA']), ['en']);
+      assert.deepEqual(getLanguages('en-US', ['en', 'en-CA']), ['en', 'en-CA']);
     });
 
     it('works with only full locale available', () => {