# All files / utils global.ts

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34.38% Branches 11/32
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     import { EVENTTYPES, WxEvents } from '../common/constant'
    import { TransportData } from '../core/transportData'
    import { Breadcrumb } from '../core/breadcrumb'
    import { Logger } from './logger'
    import { Options } from '../core/options'
    import { variableTypeDetection } from './is'

    // MITO的全局变量
    export interface MitoSupport {
      logger: Logger
      breadcrumb: Breadcrumb
      transportData: TransportData
      replaceFlag: { [key in EVENTTYPES]?: boolean }
      record?: any[]
      options?: Options
    }

    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>() {
      Eif (isBrowserEnv) return (window as unknown) as MITOGlobal & T
      if (isWxMiniEnv) return (wx as unknown) as MITOGlobal & T
      if (isNodeEnv) return (process as unknown) as MITOGlobal & T
    }

    const _global = getGlobal<Window & WechatMiniprogram.Wx>()
    const _support = getGlobalMitoSupport()

    export { _global, _support }

    _support.replaceFlag = _support.replaceFlag || {}
    const replaceFlag = _support.replaceFlag
    export function setFlag(replaceType: EVENTTYPES | WxEvents, isSet: boolean): void {
      Iif (replaceFlag[replaceType]) return
      replaceFlag[replaceType] = isSet
    }

    export function getFlag(replaceType: EVENTTYPES | WxEvents): boolean {
      return replaceFlag[replaceType] ? true : false
    }

    /**
     * 获取全部变量__MITO__的引用地址
     *
     * ../returns global variable of MITO
     */
    export function getGlobalMitoSupport(): MitoSupport {
      _global.__MITO__ = _global.__MITO__ || ({} as MitoSupport)
      return _global.__MITO__
    }

    export function supportsHistory(): boolean {
      // NOTE: in Chrome App environment, touching history.pushState, *even inside
      //       a try/catch block*, will cause Chrome to output an error to console.error
      // borrowed from: https://github.com/angular/angular.js/pull/13945/files
      const chrome = (_global as any).chrome
      // tslint:disable-next-line:no-unsafe-any
      const isChromePackagedApp = chrome && chrome.app && chrome.app.runtime
      const hasHistoryApi = 'history' in _global && !!_global.history.pushState && !!_global.history.replaceState

      return !isChromePackagedApp && hasHistoryApi
    }