Initial commit

viewer/i18n-utils.js

@@ -0,0 +1,48 @@
+import { VIEWER_I18N } from "./i18n.js";
+import { core } from './core.js';
+
+const DEFAULT_LANG = "en";
+
+export const t=function(key, varsOrFallback = {}, maybeFallback = "") {
+  const lang = ["pl", "de"].includes(core.currentLanguage)
+    ? core.currentLanguage
+    : "en";
+
+  const dictionary = VIEWER_I18N[lang] || VIEWER_I18N.en;
+
+  const value = String(key || "")
+    .split(".")
+    .reduce(
+      (acc, part) =>
+        acc && typeof acc === "object" ? acc[part] : undefined,
+      dictionary
+    );
+
+  let vars = {};
+  let fallback = "";
+
+  if (typeof varsOrFallback === "string") {
+    fallback = varsOrFallback;
+  } else {
+    vars = varsOrFallback || {};
+    fallback = maybeFallback;
+  }
+
+  const template = typeof value === "string" ? value : fallback || key;
+
+  return template.replace(/\{(\w+)\}/g, (_, v) => {
+    let val = vars[v];
+
+    if (typeof val === "boolean") {
+      val = t(`state.${val ? "enabled" : "disabled"}`);
+    } else if (typeof val === "string") {
+      if (val === "enabled" || val === "disabled") {
+        val = t(`state.${val}`);
+      } else if (val.startsWith("state.")) {
+        val = t(val);
+      }
+    }
+
+    return val ?? `{${v}}`;
+  });
+}