firmament-yargs/ts/implementations/force-error-impl.ts

import {injectable} from 'inversify';
import {ForceError} from "../interfaces/force-error";

@injectable()
export class ForceErrorImpl implements ForceError {
  forceError: boolean = false;

  //noinspection JSUnusedLocalSymbols,JSUnusedLocalSymbols
  checkForceError(message: string, cb: (err: Error, anything: any, anything2?: any) => void = null): boolean {
    if (this.forceError && typeof cb === 'function') {
      cb(new Error(`force error: ${message}`), null);
    }
    return this.forceError;
  }

  checkCallback(cb: (err: Error, anything: any, anything2?: any) => void): (err: Error, anything: any, anything2?: any) => void {
    return (typeof cb === 'function')
      ? cb
      : () => {
      };
  }
}