@sdc-monitor/demo/packages/utils/src/global.ts

<div align="center"> <a href="#" target="_blank"> <img src="https://i.loli.net/2021/07/28/EvPwd4NjVH3tBfO.jpg" alt="mito-logo" height="90"> </a> <p>A Lightweight SDK For Monitor Web</p>

import { EventTypes } from '@sdc-monitor/shared'
import { Logger } from './logger'
import { DeviceInfo } from '@sdc-monitor/types'
import { variableTypeDetection } from './is'

/**
 *MITO的全局变量
 *
 * @export
 * @interface MitoSupport
 */
export interface MitoSupport {
  logger: Logger
  replaceFlag: { [key in EventTypes]?: boolean }
  record?: any[]
  deviceInfo?: DeviceInfo
}

interface MITOGlobal {
  console?: Console
  __MITO__?: MitoSupport
}

export const isNodeEnv = variableTypeDetection.isProcess(typeof process !== 'undefined' ? process : 0)

export const isWxMiniEnv =
  variableTypeDetection.isObject(typeof wx !== 'undefined' ? wx : 0) &&
  variableTypeDetection.isFunction(typeof App !== 'undefined' ? App : 0)

export const isBrowserEnv = variableTypeDetection.isWindow(typeof window !== 'undefined' ? window : 0)
/**
 * 获取全局变量
 *
 * ../returns Global scope object
 */
export function getGlobal<T>() {
  if (isBrowserEnv) return window as unknown as MITOGlobal & T
  if (isWxMiniEnv) return wx as unknown as MITOGlobal & T
  // it's true when run e2e
  if (isNodeEnv) return process as unknown as MITOGlobal & T
}
// whether it is right use &
const _global = getGlobal<Window & WechatMiniprogram.Wx>()
const _support = getGlobalMitoSupport()
/**
 * 获取全局变量__MITO__的引用地址
 *
 * @return {*}  {MitoSupport}
 */
function getGlobalMitoSupport(): MitoSupport {
  _global.__MITO__ = _global.__MITO__ || ({} as MitoSupport)
  return _global.__MITO__
}

export { _global, _support }

// _support.replaceFlag = _support.replaceFlag || {}
// const replaceFlag = _support.replaceFlag
// export function setFlag(replaceType: EventTypes, isSet: boolean): void {
//   if (replaceFlag[replaceType]) return
//   replaceFlag[replaceType] = isSet
// }

// export function getFlag(replaceType: EventTypes): boolean {
//   return replaceFlag[replaceType] ? true : false
// }

export function supportsHistory(): boolean {
  // borrowed from: https://github.com/angular/angular.js/pull/13945/files
  const chrome = (_global as any).chrome
  const isChromePackagedApp = chrome && chrome.app && chrome.app.runtime
  const hasHistoryApi = 'history' in _global && !!_global.history.pushState && !!_global.history.replaceState
  return !isChromePackagedApp && hasHistoryApi
}