import { clsx, type ClassValue } from "clsx"
import { twMerge } from "tailwind-merge"

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs))
}

/**
 * Helper function to ensure exhaustive checking in switch statements and conditional logic.
 * TypeScript will show a compile error if not all cases are handled.
 * @param value - The value that should never be reached
 * @throws Error with the unexpected value
 */
export function assertUnreachable(value: never): never {
  throw new Error(`Unreachable code reached with value: ${JSON.stringify(value)}`);
}

export function getStringLiteralChecker<T extends readonly string[]>(arr: T) {
  return (value:string): value is T[number] => {
    return arr.includes(value);
  }
}