// This file is auto-generated, don't edit it

import { stringify } from "querystring";

/**
 * This is a array module
 */
export default class Client {

  // 按照起止坐标截取数组
  static split(raw: string[], index: number, limit: number): string[] {

    return raw.slice(index, index + limit);
  }

  // 判断数组是否包含指定字符串
  static contains(raw: string[], str: string): boolean {
    if (null === raw || typeof (raw) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    return raw.includes(str);
  }

  // 返回指定字符串在数组中的下标，如果不存在返回 -1
  static index(raw: string[], str: string): number {
    if (null === raw || typeof (raw) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    return raw.indexOf(str);
  }

  // 返回数组长度
  static size(raw: string[]): number {
    if (null === raw || typeof (raw) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    return raw.length;
  }

  // 根据下标获取数组中的字符串元素
  static get(raw: string[], index: number): string {
    if (null === raw || typeof (raw) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    return raw[index];
    throw new Error('Un-implemented!');
  }

  // 数组合并成字符串，并添加指定的间隔字符串
  static join(raw: string[], sep: string): string {
    if (null === raw || typeof (raw) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    return raw.join(sep)
    throw new Error('Un-implemented!');
  }

  // 合并两个字符串数组，并返回
  static concat(raw: string[], sep: string[]): string[] {
    if (null === raw || typeof (raw) === 'undefined' || null === sep || typeof (sep) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    return raw.concat(sep);
  }

  // 数组排序，升序
  static ascSort(raw: string[]): string[] {
    if (null === raw || typeof (raw) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    raw.sort(function (a, b) { return a.localeCompare(b) })
    return raw;
  }

  // 数组排序，降序
  static descSort(raw: string[]): string[] {
    if (null === raw || typeof (raw) === 'undefined') {
      throw new Error('not a valid value for parameter')
    }
    raw.sort(function (a, b) { return b.localeCompare(a) })
    return raw;
  }

  /**
   * append any array item
   */
  static append(array: any, item: any): void {
    if (null !== array && Array.isArray(array)) {
      array.push(item);
    }
  }

}