text: /*
   * @description: 抽离开源版本
   * @Author: chuyinlong
   * @Date: 2021-08-12 15:36:21
   * @LastEditors: chuyinlong
   * @LastEditTime: 2021-08-30 14:32:15
   */
  export function isFunction(val) {
    return typeof val === 'function';
  }
  export function isPlainObject(val) {
    return val !== null && typeof val === 'object' && !Array.isArray(val);
  }
  export function isPromise(val) {
    return isPlainObject(val) && isFunction(val.then) && isFunction(val.catch);
  }
  export function isDef(value) {
    return value !== undefined && value !== null;
  }
  export function isObj(x) {
    const type = typeof x;
    return x !== null && (type === 'object' || type === 'function');
  }
  export function isNumber(value) {
    return /^\d+(\.\d+)?$/.test(value);
  }
  export function isBoolean(value) {
    return typeof value === 'boolean';
  }
  const IMAGE_REGEXP = /\.(jpeg|jpg|gif|png|svg|webp|jfif|bmp|dpg)/i;
  const VIDEO_REGEXP = /\.(mp4|mpg|mpeg|dat|asf|avi|rm|rmvb|mov|wmv|flv|mkv)/i;
  export function isImageUrl(url) {
    return IMAGE_REGEXP.test(url);
  }
  export function isVideoUrl(url) {
    return VIDEO_REGEXP.test(url);
  }
  