console-app/lib/Sources/InteractiveSource.ts

/*
 * Copyright (C) Sapphirecode - All Rights Reserved
 * This file is part of console-app which is released under MIT.
 * See file 'LICENSE' for full license details.
 * Created by Timo Hocker <timo@scode.ovh>, May 2020
 */

/* eslint-disable no-console */
/* eslint-disable no-process-exit */
import { ErrorCallback } from '../ErrorCallback';
import { Option, OptionValue } from '../Option';
import { OptionSource } from './OptionSource';
import { sources } from './Interactive';

export class InteractiveSource extends OptionSource {
  private _exit_on_interrupt: boolean;

  public constructor (
    exit_on_interrupt: boolean,
    error_callback?:ErrorCallback
  ) {
    super (error_callback);
    this._exit_on_interrupt = exit_on_interrupt;
  }

  private async prompt (opt: Option, val:OptionValue): Promise<void> {
    if (val.filled)
      return;

    for (const src of sources) {
      // eslint-disable-next-line no-await-in-loop
      if (await new src (val, opt)
        .parse ())
        break;
    }
  }

  public async parse (opt: Option, val:OptionValue): Promise<void> {
    while (!val.filled) {
      // eslint-disable-next-line no-await-in-loop
      await this.prompt (opt, val)
        .catch ((e) => {
          if (this._exit_on_interrupt)
            process.exit (0);
          throw e;
        });
      if (!val.filled)
        console.log (opt.error || 'input was invalid');
    }
  }
}