HandleRefreshToken.ts

lass AuthStore {
   refreshAuthTokensPromise:Type
   authService:Type

   constructor(authService) {
      this.authService = authService
      this.initAuthStore()
   }

   @action.bound
   initAuthStore(): void {
      this.refreshAuthTokensPromise = undefined
   }

   @action.bound
   setRefreshAccessTokens(response: Tokens): void {
      //Other code
      this.refreshAuthTokensPromise = undefined
   }

   @action.bound
   refreshAuthTokensAPI(
      requestObject: RefreshAuthTokensRequest,
      onSuccess: Function = (): void => {},
      onFailure: Function = (): void => {}
   ): any {
      if (this.refreshAuthTokensPromise) {
         return this.refreshAuthTokensPromise
      }
      this.refreshAuthTokensPromise = this.authService.refreshAuthTokensAPI(
         requestObject
      )
      return bindPromiseWithOnSuccess(this.refreshAuthTokensPromise)
         .to(this.setRefreshAccessTokensStatus, response => {
            this.setRefreshAccessTokens(response as Tokens)
            onSuccess()
         })
         .catch(err => {
            this.setRefreshAccessTokensError(err)
            onFailure()
         })
   }
}

export default AuthStore