GramJS - Get all links from message text

filterUrls.ts

interface BaseTextEntities extends Record<string, unknown> {
  offset: number;
  length: number;
  className: string;
}
type TextEntities = [BaseTextEntities, string];

export function filterUrls(entity: TextEntities[]): Array<string> {
  return entity
    .filter(([_e]) =>
      ["MessageEntityUrl", "MessageEntityTextUrl"].includes(_e.className)
    )
    .map(([_1, _2]) =>
      _1.className === "MessageEntityUrl" ? _2 : (_1.url as string)
    );
}