Update app.R

app.R

@@ -10,8 +10,6 @@ library(dplyr)
 library(reactable)
 library(reactablefmtr)
 
-options(sass.cache = FALSE)
-
 my_theme <- bs_theme(
   bg = "#fdfefe",
   fg = "black",
@@ -120,25 +118,25 @@ authorEdges <- reactive({authorPubEdges(
 # })
 
 # pass search output to nodes and edges
-nodes_dataset <- reactiveVal(NULL)
-edges_dataset <- reactiveVal(NULL)
-edges_disp_dataset <- reactiveVal(NULL)
-
-observeEvent(input$search, {
-  # compute once and cache
-  nodes_dataset(authorNodes())
-  edges_dataset(authorEdges())
-  edges_disp_dataset(authorEdgesDisp())
+nodes_df <- eventReactive(input$search,{
+  authorNodes()
+})
+
+edges_df <- eventReactive(input$search,{
+  authorEdges()
 })
 
+edges_disp <- eventReactive(input$search,{
+  authorEdgesDisp()
+})
+
+
 # render data as a reactable output
 output$table <- renderReactable({
 
-      req(edges_disp_dataset())
-
       tryCatch(
         {
-          reactable(edges_disp_dataset(),
+          reactable(edges_disp(),
                     theme = reactableTheme(highlightColor = "#b615e7",
                                            borderColor = "#670e94",
                                            borderWidth = 3),
@@ -164,8 +162,7 @@ output$down_nodes <- downloadHandler(
     paste("Nodes.csv", sep = "") 
   },
   content = function(file) {
-    req(nodes_dataset())
-    fwrite(nodes_dataset(),file)
+    fwrite(nodes_df(),file)
   }
 )
 
@@ -174,8 +171,7 @@ output$down_edges <- downloadHandler(
     paste("Edges.csv", sep = "")
   },
   content = function(file) {
-    req(edges_dataset())
-    fwrite(edges_dataset(), file)
+    fwrite(edges_df(), file)
   }
 )