Sanity check for an app.R or server.R file

posit-dev · Sep 29, 2023 · c0cca16 · c0cca16
1 parent 7eb9e40
commit c0cca16
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Showing 4 changed files with 19 additions and 2 deletions.
diff --git a/R/export.R b/R/export.R
@@ -35,8 +35,11 @@ export <- function(
   verbose_print <- if (verbose) message else list
 
   stopifnot(fs::is_dir(appdir))
-  if (!fs::file_exists(fs::path(appdir, "app.R"))) {
-    stop("Directory ", appdir, " does not contain an app.R file.")
+  if (!(
+    fs::file_exists(fs::path(appdir, "app.R")) ||
+      fs::file_exists(fs::path(appdir, "server.R"))
+  )) {
+    stop("Directory ", appdir, " does not contain an app.R or server.R file.")
   }
 
   if (fs::is_absolute_path(subdir)) {

diff --git a/local/shiny-apps/global-r/global.R b/local/shiny-apps/global-r/global.R
@@ -0,0 +1 @@
+global_value <- 50
diff --git a/local/shiny-apps/global-r/server.R b/local/shiny-apps/global-r/server.R
@@ -0,0 +1,8 @@
+library(shiny)
+
+
+function(input, output) {
+    output$txt <- renderText({
+        paste0("The value of n*2 is ", 2 * input$n)
+    })
+}
diff --git a/local/shiny-apps/global-r/ui.R b/local/shiny-apps/global-r/ui.R
@@ -0,0 +1,5 @@
+fluidPage(
+  markdown("## `ui.R` / `server.R` / `global.R`"),
+  sliderInput("n", "N", 0, 100, global_value),
+  verbatimTextOutput("txt", placeholder = TRUE),
+)