created lang file

src/lang.ts

@@ -0,0 +1,57 @@
+type LangObj = { [keys:string]: LangObj | string }
+type LangObjWhold = { [langid:string]: LangObj }
+
+const LANG: LangObjWhold = {
+    en: {
+        discord: {
+            error: {
+                noActiveQueue: 'There is not an active queue in this channel, type `/open` to create one'
+            }
+        }
+    }
+}
+
+export namespace Lang {
+
+    var LANGID = 'en';
+    if (!(LANGID in LANG))
+        throw 'language id does not exist';
+
+    export function setLang(langid: string) {
+        if (langid in LANG)
+            LANGID = langid;
+        else
+            throw 'language id does not exist';
+    }
+
+    /**
+     * reads language json
+     * @param id ex: discord.error.noActiveQueue
+     * @returns language value, defaults to `id` parameter
+     */
+    export function get(id: string): string {//discord.error.noActiveQueue
+        
+        let keySpl = id.split('.').map(k => k.trim()).filter(k => k);
+
+        let finding = LANG[LANGID];
+
+        for (let key of keySpl) {
+
+            if (key in finding) {
+
+                let found = finding[key];
+
+                if (typeof found === 'string')
+                    return found;
+
+                finding = found;
+
+            } else
+                break;
+            
+        }
+
+        return id;
+    }
+        
+}