import { LocalDate } from 'js-joda';

/** Function to transform a string into a given type */
export interface Parser<T> {
  (value: string): T
}

export const BooleanParser: Parser<boolean> = (value: string) => value === 'true';
export const LocalDateParser: Parser<LocalDate> = (value: string) => LocalDate.parse(value);
export const IntParser: Parser<number> = parseInt;
export const FloatParser: Parser<number> = parseFloat;
export const JSONParser = <T>(value: string) => JSON.parse(value) as T;

// Utility function to catch any errors that parsers might throw
export function safeParse<T>(parse: Parser<T>, value: string): T {
  try {
    return parse(value);
  } catch (e) {
    return undefined;
  }
}