feat(settings): make the formatting locale value adjustable

src/public/app/widgets/type_widgets/options/i18n/i18n.ts

@@ -56,6 +56,10 @@ export default class LocalizationOptions extends OptionsWidget {
         });
 
         this.$formattingLocaleSelect = this.$widget.find(".formatting-locale-select");
+        this.$formattingLocaleSelect.on("change", async () => {
+            const newLocale = this.$formattingLocaleSelect.val();
+            await server.put(`options/formattingLocale/${newLocale}`);
+        });
 
         this.$widget.find(`input[name="first-day-of-week"]`).on("change", () => {
             const firstDayOfWeek = String(this.$widget.find(`input[name="first-day-of-week"]:checked`).val());
@@ -84,6 +88,7 @@ export default class LocalizationOptions extends OptionsWidget {
         for (const locale of allLocales.filter(l => l.electronLocale)) {
             this.$formattingLocaleSelect.append(buildLocaleItem(locale));
         }
+        this.$formattingLocaleSelect.val(options.formattingLocale);
 
         this.$widget.find(`input[name="first-day-of-week"][value="${options.firstDayOfWeek}"]`)
                     .prop("checked", "true");

src/routes/api/options.ts

@@ -70,6 +70,7 @@ const ALLOWED_OPTIONS = new Set<OptionNames>([
     "promotedAttributesOpenInRibbon",
     "editedNotesOpenInRibbon",
     "locale",
+    "formattingLocale",
     "firstDayOfWeek",
     "languages",
     "textNoteEditorType",

src/services/options_init.ts

@@ -137,6 +137,7 @@ const defaultOptions: DefaultOption[] = [
 
     // Internationalization
     { name: "locale", value: "en", isSynced: true },
+    { name: "formattingLocale", value: "en", isSynced: true },
     { name: "firstDayOfWeek", value: "1", isSynced: true },
     { name: "languages", value: "[]", isSynced: true },
 

src/services/options_interface.ts

@@ -35,6 +35,7 @@ export interface OptionDefinitions extends KeyboardShortcutsOptions<KeyboardActi
     customSearchEngineName: string;
     customSearchEngineUrl: string;
     locale: string;
+    formattingLocale: string;
     codeBlockTheme: string;
     textNoteEditorType: string;
     layoutOrientation: string;