in src/browser/main.ts [12:20]
export function loadMessageBundle(_file?: string) {
return function (key: string | number | LocalizeInfo, message: string, ...args: any[]): string {
if (typeof key === 'number') {
throw new Error(`Browser implementation does currently not support externalized strings.`);
} else {
return localize(key, message, ...args);
}
};
}