react-native-advanced-input-mask/src/web/model/utils.ts

Text input mask for React Native on iOS, Android and web. Synchronous and easy formatting without hustle

import type { Ellipsis, StateType } from "./types";
import type { Notation } from "../../types";

export const getCharacterTypeString = (
  state?: StateType | Notation | Ellipsis,
): string => {
  if (!state) {
    return "[?]";
  }

  return "name" in state ? state.typeString : `[${state.character}]`;
};