Split ui/server and add ermoji_shiny()

R/ermoji_gadget.R

 ermoji_gadget <- function() {
   require(shiny)
   require(miniUI)
+  runGadget(ermoji_ui(), ermoji_server, viewer = paneViewer(500), stopOnCancel = FALSE)
+}
+
+ermoji_shiny <- function() {
+  require(shiny)
+  require(miniUI)
+  shinyApp(ui = ermoji_ui(), server = ermoji_server)
+}
 
-  ui <- miniPage(
+
+ermoji_ui <- function() {
+  miniPage(
+    title = "ermoji",
     gadgetTitleBar("ermoji"),
     miniContentPanel(
       padding = 10,
       actionButton("copy_gliph", "Copy Emoji", class = "btn-primary")
     )
   )
+}
 
-  server <- function(input, output, session) {
-    output$emojis <- DT::renderDataTable({
-      emojis <- emo::jis
-      emojis <- emojis[, c('emoji', 'name', "group", "keywords", "aliases")]
-      emojis$keywords <- purrr::map_chr(emojis$keywords, ~ paste(., collapse = ", "))
-      emojis$aliases <- purrr::map_chr(emojis$aliases, ~ paste(., collapse = ", "))
-      DT::datatable(
-        emojis,
-        rownames = FALSE,
-        colnames = c("Emoji", "Name", "Group", "Keywords", "Aliases"),
-        filter = "top",
-        selection = "single",
-        fillContainer = TRUE,
-        # style = 'bootstrap',
-        class = 'compact stripe nowrap hover',
-        options = list(
-          searchHighlight = TRUE,
-          search = list(regex = TRUE, caseInsensitive = FALSE),
-          columnDefs = list(list(
-            className = "dt-center", targets = 0
-          )),
-          pageLength = 10,
-          lengthMenu = c(4, 5, 10)
-        )
+ermoji_server <- function(input, output, session) {
+  output$emojis <- DT::renderDataTable({
+    emojis <- emo::jis
+    emojis <- emojis[, c('emoji', 'name', "group", "keywords", "aliases")]
+    emojis$keywords <- purrr::map_chr(emojis$keywords, ~ paste(., collapse = ", "))
+    emojis$aliases <- purrr::map_chr(emojis$aliases, ~ paste(., collapse = ", "))
+    DT::datatable(
+      emojis,
+      rownames = FALSE,
+      colnames = c("Emoji", "Name", "Group", "Keywords", "Aliases"),
+      filter = "top",
+      selection = "single",
+      fillContainer = TRUE,
+      # style = 'bootstrap',
+      class = 'compact stripe nowrap hover',
+      options = list(
+        searchHighlight = TRUE,
+        search = list(regex = TRUE, caseInsensitive = FALSE),
+        columnDefs = list(list(
+          className = "dt-center", targets = 0
+        )),
+        pageLength = 10,
+        lengthMenu = c(4, 5, 10)
       )
-    })
-
-    this_emoji <- reactive({
-      req(input$emojis_rows_selected)
-      as.list(emo::jis[input$emojis_rows_selected, ])
-    })
+    )
+  })
 
-    this_emoji_name <- reactive({
-      # name <- this_emoji()$name
-      name <- this_emoji()$aliases[[1]][1]
-      paste0(":", gsub(" ", "_", name), ":")
-    })
+  this_emoji <- reactive({
+    req(input$emojis_rows_selected)
+    as.list(emo::jis[input$emojis_rows_selected, ])
+  })
 
-    this_emoji_uni <- reactive({
-      uni <- paste0("\\U", this_emoji()$runes)
-      gsub(" ", "\\\\U", uni)
-    })
+  this_emoji_name <- reactive({
+    # name <- this_emoji()$name
+    name <- this_emoji()$aliases[[1]][1]
+    paste0(":", gsub(" ", "_", name), ":")
+  })
 
-    this_emoji_uni_trunc <- reactive({
-      uni <- this_emoji()$runes
-      uni <- sub(" .+", "...", uni)
-      paste0("\\U", uni)
-    })
+  this_emoji_uni <- reactive({
+    uni <- paste0("\\U", this_emoji()$runes)
+    gsub(" ", "\\\\U", uni)
+  })
 
-    observeEvent(input$emojis_rows_selected, {
-      if (!isTruthy(input$emojis_rows_selected)) {
-        updateActionButton(session, "copy_name", "Copy :emoji_name:")
-        updateActionButton(session, "copy_utf", "Copy Unicode")
-        updateActionButton(session, "copy_gliph", "Copy Emoji")
-      } else {
-        updateActionButton(session, "copy_name", paste0("Copy <code>", this_emoji_name(), "</code>"))
-        updateActionButton(session, "copy_utf", paste("Copy <code>", this_emoji_uni_trunc(), "</code>"))
-        updateActionButton(session, "copy_gliph", paste("Copy", this_emoji()$emoji))
-      }
-    })
-    observeEvent(input$copy_name, {
-      clipr::write_clip(this_emoji_name())
-    })
-    observeEvent(input$copy_utf, {
-      clipr::write_clip(this_emoji_uni())
-    })
-    observeEvent(input$copy_gliph, {
-      clipr::write_clip(this_emoji()$emoji)
-    })
-    observeEvent(input$done, {
-      stopApp(invisible())
-    })
-    observeEvent(input$cancel, {
-      stopApp(invisible())
-    })
-  }
+  this_emoji_uni_trunc <- reactive({
+    uni <- this_emoji()$runes
+    uni <- sub(" .+", "...", uni)
+    paste0("\\U", uni)
+  })
 
-  runGadget(ui, server, viewer = paneViewer(500), stopOnCancel = FALSE)
+  observeEvent(input$emojis_rows_selected, {
+    if (!isTruthy(input$emojis_rows_selected)) {
+      updateActionButton(session, "copy_name", "Copy :emoji_name:")
+      updateActionButton(session, "copy_utf", "Copy Unicode")
+      updateActionButton(session, "copy_gliph", "Copy Emoji")
+    } else {
+      updateActionButton(session, "copy_name", paste0("Copy <code>", this_emoji_name(), "</code>"))
+      updateActionButton(session, "copy_utf", paste("Copy <code>", this_emoji_uni_trunc(), "</code>"))
+      updateActionButton(session, "copy_gliph", paste("Copy", this_emoji()$emoji))
+    }
+  })
+  observeEvent(input$copy_name, {
+    clipr::write_clip(this_emoji_name())
+  })
+  observeEvent(input$copy_utf, {
+    clipr::write_clip(this_emoji_uni())
+  })
+  observeEvent(input$copy_gliph, {
+    clipr::write_clip(this_emoji()$emoji)
+  })
+  observeEvent(input$done, {
+    stopApp(invisible())
+  })
+  observeEvent(input$cancel, {
+    stopApp(invisible())
+  })
 }
-