library(shiny)
library(apexcharter)

ui <- fluidPage(
  
  tags$h2("Apexcharts Grid Example"),
  
  apexgridOutput("myfacet")
  
)

server <- function(input, output, session) {
  
  output$myfacet <- renderApexgrid({
    a1 <- apex(mpg, aes(manufacturer), type = "bar")
    a2 <- apex(mpg, aes(trans), type = "column")
    a3 <- apex(mpg, aes(drv), type = "pie")
    
    apex_grid(
      a1, a2, a3, 
      grid_area = c("1 / 1 / 3 / 2", "1 / 2 / 2 / 4", "2 / 2 / 3 / 4"),
      ncol = 3, 
      nrow = 2,
      height = "600px"
    )
  })
  
}

if (interactive())
  shinyApp(ui, server)