leaflet.extras
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Uncaught TypeError: t.drawToolbar.removeFrom is not a function
Fairly minor error, but there is an error in the Javascript console which appears to be caused by the removeDrawToolbar()
function.
Here is a reproducible example:
library(shiny)
library(leaflet)
library(leaflet.extras)
lngs <- c(20, 23, 23)
lats <- c(21, 20, 24)
shinyApp(
ui <- leafletOutput("map"),
server <- function(input, output, session){
output$map <- renderLeaflet({
leaflet() %>%
addTiles() %>%
addCircleMarkers(lng = lngs, lat = lats, layerId = 1:length(lats)) %>%
addDrawToolbar(targetGroup = "test",
rectangleOptions = F,
polylineOptions = F,
markerOptions = F,
editOptions = editToolbarOptions(selectedPathOptions = selectedPathOptions()),
circleOptions = drawCircleOptions(shapeOptions = drawShapeOptions(clickable = T))) %>%
removeDrawToolbar()
}) # END RENDER LEAFLET
observeEvent(input$map_marker_click, {
print(input$map_marker_click)
})
observeEvent(input$map_draw_new_feature, {
print(input$map_draw_new_feature)
})
})
If you open the app within Chrome and look at the developer console you can see the error:
I think this might be a case of just changing the call to the API function, as suggested in this SO post: https://stackoverflow.com/questions/39224307/leaflet-1-0-0-rc3-removefrom-method-causes-is-not-a-function-error
Hope that helps: doesn't seem to have major performance side effects but I don't know the inner-workings of leaflet that well!
I notice this issue is partly mentioned in #148, so it potentially could be closed as a duplicate