frontend-admin / Daocheng-Yading

  // @flow
  // This file is not actually executed
  // It is just used by flow for typing
  
  const prefix: string = 'Invariant failed';
  
  export default function invariant(condition: mixed, message?: string | (() => string)) {
    if (condition) {
      return;
    }
    throw new Error(`${prefix}: ${message || ''}`);
  }