feat(core): Enhanced document generation features and added translation capabilities

ts_web/elements/shared/index.ts

@@ -3,4 +3,7 @@ export const a4Width = 794;
 export const rightMargin = 70;
 export const leftMargin = 90;
 
+import * as translation from './translation.js';
+export { translation };
+
 export * from './demoletter.js';

ts_web/elements/shared/translation.ts

@@ -0,0 +1,31 @@
+import * as interfaces from '../../../ts/interfaces/index.js';
+
+type TTranslationImplementation = {
+  [key in keyof interfaces.IDeDocumentTranslations]: string;
+}
+
+export const EN_translations: TTranslationImplementation = {
+  invoice: 'Invoice',
+  quantity: 'Quantity',
+};
+
+export const DE_translations: TTranslationImplementation = {
+  invoice: 'Rechnung',
+  quantity: 'Anzahl',
+};
+
+export const languageCodeMap = {
+  'DE': DE_translations,
+  'EN': EN_translations,
+};
+
+export type TLanguageCode = keyof typeof languageCodeMap;
+
+export const translate = (languageCode: TLanguageCode, key: string, defaultValue: string) => {
+  const translations = languageCodeMap[languageCode] || EN_translations;
+  if (translations && translations[key]) {
+    return translations[key];
+  } else {
+    return defaultValue;
+  }
+};