console-app/lib/Option.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
 */

import { TypeValidation } from './TypeValidation/TypeValidation';
import { ErrorCallback } from './ErrorCallback';

interface SourceConfig {
  console?: boolean,
  configs?: string[],
  interactive?: boolean,
}

interface Option {
  name: string;
  default?: unknown;
  sources?: SourceConfig;
  alias?: string;
  env?: string;
  message?: string;
  error?: string;
  error_callback?: ErrorCallback;
  exit_on_interrupt?: boolean;
}

class OptionValue {
  public filled = false;
  public value?: unknown;
  public readonly type_validation: TypeValidation;

  public constructor (type_validation: TypeValidation) {
    this.type_validation = type_validation;
  }

  public async assign_arg (
    opt: Option,
    value: unknown
  ): Promise<void> {
    try {
      this.value = await this.type_validation.to_type (value);
      this.filled = true;
    }
    catch (e) {
      if (typeof opt.error_callback !== 'undefined')
        opt.error_callback (opt.name, value, e);
    }
  }
}

export { Option, OptionValue };