`setInput()` example from documentation not working

[fkohrt]

Code example

The code example from the documentation on React in Shiny:

shiny::shinyApp(
  ui = shiny::tagList(
    shiny.fluent::Checkbox(onChange = shiny.fluent::setInput("checkbox", 2), defaultChecked = TRUE, label = "Checkbox"),
    shiny::textOutput("value")
  ),
  server = function(input, output) {
    output$value <- shiny::renderText(deparse(input$checkbox))
  }
)

Bug description

Upon clicking the button, its value is not displayed.

Expected behavior

Upon clicking the button, TRUE/FALSE should be displayed according to the button's state.

Comments

Using JS() works, however:

shiny::shinyApp(
  ui = shiny::tagList(
    shiny.fluent::Checkbox(onChange = shiny.fluent::JS("(e, value) => Shiny.setInputValue('checkbox', value)"), defaultChecked = TRUE, label = "Checkbox"),
    shiny::textOutput("value")
  ),
  server = function(input, output) {
    output$value <- shiny::renderText(deparse(input$checkbox))
  }
)

(As does replacing the shiny.fluent::Checkbox() with shiny.fluent::Checkbox.shinyInput("checkbox", value = TRUE, label = "Checkbox"), though with the onChanged event.)

sessionInfo()

R version 4.4.1 (2024-06-14)
Platform: x86_64-pc-linux-gnu
Running under: Ubuntu 20.04.6 LTS

Matrix products: default
BLAS/LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblasp-r0.3.8.so;  LAPACK version 3.9.0

locale:
 [1] LC_CTYPE=C.UTF-8       LC_NUMERIC=C           LC_TIME=C.UTF-8        LC_COLLATE=C.UTF-8    
 [5] LC_MONETARY=C.UTF-8    LC_MESSAGES=C.UTF-8    LC_PAPER=C.UTF-8       LC_NAME=C             
 [9] LC_ADDRESS=C           LC_TELEPHONE=C         LC_MEASUREMENT=C.UTF-8 LC_IDENTIFICATION=C   

time zone: UTC
tzcode source: system (glibc)

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] shiny_1.8.1.1

loaded via a namespace (and not attached):
 [1] digest_0.6.36      later_1.3.2        R6_2.5.1           httpuv_1.6.15      fastmap_1.2.0     
 [6] magrittr_2.0.3     cachem_1.1.0       glue_1.7.0         memoise_2.0.1      htmltools_0.5.8.1 
[11] lifecycle_1.0.4    promises_1.3.0     cli_3.6.3          xtable_1.8-4       sass_0.4.9        
[16] jquerylib_0.1.4    compiler_4.4.1     shiny.react_0.4.0  shiny.fluent_0.4.0 tools_4.4.1       
[21] bslib_0.7.0        mime_0.12          Rcpp_1.0.12        jsonlite_1.8.8     rlang_1.1.4       
[26] stringi_1.8.4