Language switch implemented

utils/translate.ts

@@ -1,7 +1,5 @@
 import cheerio from "cheerio";
-import { mappings } from "./languages.json";
-
-const isKeyOf = <T extends object>(obj: T) => (key: keyof any): key is keyof T => key in obj;
+import { replaceBoth } from "./language";
 
 export async function googleScrape(
     source: string,
@@ -11,10 +9,8 @@ export async function googleScrape(
     translation?: string,
     error?: number
 }> {
-    const newTarget = isKeyOf(mappings.target)(target)
-        ? mappings.target[target]
-        : target;
-    const res = await fetch(`https://translate.google.com/m?sl=${source}&tl=${newTarget}&q=${encodeURI(query)}`);
+    const parsed = replaceBoth("mapping", { source, target });
+    const res = await fetch(`https://translate.google.com/m?sl=${parsed.source}&tl=${parsed.target}&q=${encodeURI(query)}`);
 
     if (!res.ok)
         return {