Add option for formality

src/deepl/deeplService.ts

@@ -37,6 +37,7 @@ export class DeepLService {
 					text: preprocessedText,
 					target_lang: toLanguage,
 					...(useFromLanguage && { source_lang: fromLanguage }),
+					formality: this.settings.formality,
 				}).toString(),
 				headers: {
 					Authorization: `DeepL-Auth-Key ${this.settings.apiKey}`,

src/deepl/fromLanguages.ts

@@ -1,5 +1,3 @@
-export const defaultFromLanguage = "AUTO";
-
 export const fromLanguages = {
 	AUTO: "Detect language",
 	BG: "Bulgarian",

src/deepl/toLanguages.ts

@@ -1,5 +1,3 @@
-export const defaultToLanguage = "DE";
-
 export const toLanguages: Record<string, string> = {
 	BG: "Bulgarian",
 	CS: "Czech",

src/settings/pluginSettings.ts

@@ -1,18 +1,23 @@
-import { defaultFromLanguage } from "src/deepl/fromLanguages";
-import { defaultToLanguage } from "src/deepl/toLanguages";
-
 export interface DeepLPluginSettings {
 	apiKey: string;
 	fromLanguage: string;
 	toLanguage: string;
 	showStatusBar: boolean;
 	useProAPI: boolean;
+	formality: string;
 }
 
+export const formalities: Record<string, string> = {
+	default: "Default",
+	prefer_more: "More formal",
+	prefer_less: "Less formal",
+};
+
 export const defaultSettings: Partial<DeepLPluginSettings> = {
 	apiKey: "",
-	fromLanguage: defaultFromLanguage,
-	toLanguage: defaultToLanguage,
+	fromLanguage: "AUTO",
+	toLanguage: "DE",
 	showStatusBar: true,
 	useProAPI: false,
+	formality: "default",
 };

src/settings/settingTab.ts

@@ -2,6 +2,7 @@ import { PluginSettingTab, Setting } from "obsidian";
 import { toLanguages } from "src/deepl/toLanguages";
 import DeepLPlugin from "../main";
 import { fromLanguages } from "./../deepl/fromLanguages";
+import { formalities } from "./pluginSettings";
 
 export class SettingTab extends PluginSettingTab {
 	private plugin: DeepLPlugin;
@@ -59,8 +60,23 @@ export class SettingTab extends PluginSettingTab {
 			);
 
 		new Setting(containerEl)
-			.setName("Show in status bar")
-			.setDesc("Select the to language in the status bar.")
+			.setName("Formality")
+			.setDesc(
+				"Sets whether the translated text should lean towards formal or informal language."
+			)
+			.addDropdown((dropdown) =>
+				dropdown
+					.addOptions(formalities)
+					.setValue(this.plugin.settings.formality)
+					.onChange(async (value) => {
+						this.plugin.settings.formality = value;
+						await this.plugin.saveSettings();
+					})
+			);
+
+		new Setting(containerEl)
+			.setName("Show setting in status bar")
+			.setDesc('Select the "To language" in the status bar.')
 			.addToggle((toggle) =>
 				toggle
 					.setValue(this.plugin.settings.showStatusBar)