Revove purrr, adjust dependencies, update license

.Rbuildignore

+^LICENSE\.md$
 ^ermoji\.Rproj$
 ^\.Rproj\.user$
 ^README\.Rmd$

DESCRIPTION

 Description: RStudio addin to search through emoji and copy the emoji name, 
     unicode string or gliph to the clipboard.
 Authors@R: "Garrrick Aden-Buie <g.adenbuie@gmail.com> [aut, cre]"
-License: MIT
+License: MIT + file LICENSE
 Encoding: UTF-8
 LazyData: true
 ByteCompile: true
 Imports: 
     emo,
     DT,
-    purrr,
     clipr
 Remotes: hadley/emo
 Depends: 

LICENSE

+YEAR: 2018
+COPYRIGHT HOLDER: Garrick Aden-Buie

LICENSE.md

+# MIT License
+
+Copyright (c) 2018 Garrick Aden-Buie
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

NAMESPACE

 
 export(ermoji_gadget)
 export(ermoji_shiny)
+import(miniUI)
+import(shiny)

R/ermoji_gadget.R

 #' @param ... Ignored at this time
 #' @name ermoji
 #' @return nothing
+#' @import shiny
+#' @import miniUI
 #' @export
 ermoji_gadget <- function(clipout = clipr::clipr_available(), ...) {
-  require(shiny)
-  require(miniUI)
   runGadget(ermoji_ui, ermoji_server(clipout, ...), viewer = paneViewer(500), stopOnCancel = FALSE)
 }
 
 #' @rdname ermoji
 #' @export
 ermoji_shiny <- function(clipout = clipr::clipr_available(), ...) {
-  require(shiny)
-  require(miniUI)
   shinyApp(ui = ermoji_ui, server = ermoji_server(clipout, ...))
 }
 
     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$aliases, ~ paste(., collapse = ", "))
+      emojis$keywords <- vapply(emojis$keywords, function(x) paste(x, collapse = ", "), character(1))
+      emojis$aliases <- vapply(emojis$aliases, function(x) paste(x, collapse = ", "), character(1))
       DT::datatable(
         emojis,
         rownames = FALSE,
     })
 
     this_emoji_html <- reactive({
-      gsub("([0-9A-F]{4,8}) ?", "&#x\\1;", this_emoji()$runes)
+      rune2html(this_emoji()$runes)
     })
 
     truncate <- function(x, n = 10) {
   x = gsub('"', '&quot;', x)
   x
 }
+
+rune2html <- function(runes) {
+  gsub("([0-9A-F]{4,8}) ?", "&#x\\1;", runes)
+}