ags(bar,scripts,i18n): added i18n system(wip), changed some bar stuff and started doing control center

ags/i18n/intl.ts

@@ -0,0 +1,53 @@
+//TODO use I18n system >.<
+
+import { GLib } from "astal";
+
+export const i18nKeys = {
+    "en_US": () => import("./lang/en_US"),
+    "pt_BR": () => import("./lang/pt_BR")
+}
+
+export const languages: Array<string> = (() => 
+    Object.keys(i18nKeys))()
+
+const defaultLanguage: string = languages[0];
+let language: string = defaultLanguage;
+
+export function getSystemLanguage(): string {
+    const sysLanguage: (string|null|undefined) = GLib.getenv("LANG") || GLib.getenv("LANGUAGE");
+
+    if(!sysLanguage) {
+        console.log(`[WARNING] Couldn't get system language, fallback to default ${defaultLanguage || "en_US"}`);
+        console.log("[TIP] Please set the LANG or LANGUAGE environment variable");
+
+        return defaultLanguage || "en_US";
+    }
+
+    return sysLanguage.split('.')[0];
+}
+
+export function setLanguage(lang: keyof typeof i18nKeys): (string|Error) {
+    languages.map((cur: string) => {
+        if(cur === lang) {
+            language = lang;
+            return lang;
+        }
+    });
+
+    throw new Error(`[i18n/intl] Couldn't set language: ${lang}`, {
+        cause: `Language ${lang} not found in languages of type ${typeof languages}`
+    });
+}
+
+export function tr(key: string): (string|undefined) {
+    let langKeys: Object = i18nKeys[language as keyof typeof i18nKeys];
+    let result = i18nKeys[language as keyof typeof i18nKeys], 
+    defResult = i18nKeys[defaultLanguage as keyof typeof i18nKeys];
+
+    key.split('.').map((keyString: string) => {
+        result = result[keyString as keyof typeof result];
+        defResult = defResult[keyString as keyof typeof defResult];
+    });
+
+    return (result as never) || (defResult as never) || undefined;
+}