feat: add language type #2

ifyour · Nov 16, 2023 · d3bdaee · d3bdaee
1 parent d44d065
commit d3bdaee
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Showing 3 changed files with 43 additions and 6 deletions.
diff --git a/src/const.ts b/src/const.ts
@@ -1,2 +1,33 @@
 export const API_URL = 'https://www2.deepl.com/jsonrpc';
 export const REQUEST_ALTERNATIVES = 3;
+export const SUPPORTED_LANGUAGES = [
+  'el',
+  'bg',
+  'lv',
+  'ko',
+  'lt',
+  'id',
+  'uk',
+  'sl',
+  'sk',
+  'tr',
+  'ro',
+  'cs',
+  'et',
+  'fi',
+  'da',
+  'hu',
+  'sv',
+  'nb',
+  'ru',
+  'pl',
+  'pt',
+  'nl',
+  'it',
+  'es',
+  'fr',
+  'de',
+  'ja',
+  'en',
+  'zh',
+] as const;
diff --git a/src/query.ts b/src/query.ts
@@ -16,8 +16,8 @@ function buildRequestParams(sourceLang = 'auto', targetLang = 'en') {
       timestamp: 0,
       splitting: 'newlines',
       lang: {
-        source_lang_user_selected: sourceLang,
-        target_lang: targetLang,
+        source_lang_user_selected: sourceLang?.toUpperCase(),
+        target_lang: targetLang?.toUpperCase(),
       },
     },
   };

diff --git a/src/types.ts b/src/types.ts
@@ -1,3 +1,9 @@
+import { SUPPORTED_LANGUAGES } from './const';
+
+type Lang = typeof SUPPORTED_LANGUAGES[number];
+export type SourceLang = Lang | 'auto';
+export type TargetLang = Lang;
+
 export type RawResponseParams = {
   jsonrpc: string;
   id: number;
@@ -16,16 +22,16 @@ export type RawResponseParams = {
 
 export type RequestParams = {
   text: string;
-  source_lang: string;
-  target_lang: string;
+  source_lang: SourceLang;
+  target_lang: TargetLang;
 };
 
 export type ResponseParams = {
   code: number;
   message: string;
   data: string | null;
-  source_lang?: string;
-  target_lang?: string;
+  source_lang?: SourceLang;
+  target_lang?: TargetLang;
   alternatives?: string[];
 };