Add minified shiny.js

Author: wch

R/shinyui.R

@@ -40,7 +40,7 @@ renderPage <- function(ui, connection, showcase=0) {
       htmlDependency("json2", "2014.02.04", c(href="shared"), script = "json2-min.js"),
       htmlDependency("jquery", "1.11.0", c(href="shared"), script = "jquery.min.js"),
       htmlDependency("shiny", packageVersion("shiny"), c(href="shared"),
-        script = "shiny.js", stylesheet = "shiny.css")
+        script = "shiny.min.js", stylesheet = "shiny.css")
     ),
     result$dependencies
   )

inst/www/shared/shiny.min.js

@@ -5,16 +5,16 @@ module.exports = function(grunt) {
   grunt.initConfig({
     pkg: pkgInfo(),
     uglify: {
-      // NOTE: Don't run shiny minification yet
-      // shiny: {
-      //   options: {
-      //     banner: '/*! <%= pkg.name %> <%= pkg.version %> | ' +
-      //             '(c) 2012-<%= grunt.template.today("yyyy") %> RStudio, Inc. | ' +
-      //             'License: <%= pkg.license %> */\n'
-      //   },
-      //   src: srcdir + 'www/shared/<%= pkg.name %>.js',
-      //   dest: srcdir + 'www/shared/<%= pkg.name %>.min.js'
-      // },
+      shiny: {
+        options: {
+          banner: '/*! <%= pkg.name %> <%= pkg.version %> | ' +
+                  '(c) 2012-<%= grunt.template.today("yyyy") %> RStudio, Inc. | ' +
+                  'License: <%= pkg.license %> */\n',
+          sourceMap: true
+        },
+        src: srcdir + 'www/shared/<%= pkg.name %>.js',
+        dest: srcdir + 'www/shared/<%= pkg.name %>.min.js'
+      },
       datepicker: {
         src: [
           srcdir + 'www/shared/datepicker/js/bootstrap-datepicker.js',
@@ -32,9 +32,8 @@ module.exports = function(grunt) {
 
     watch: {
       shiny: {
-        files: '<%= jshint.shiny.src %>',
-        // tasks: ['newer:jshint:shiny', 'newer:uglify:shiny']
-        tasks: ['newer:jshint:shiny']
+        files: '<%= uglify.shiny.src %>',
+        tasks: ['newer:jshint:shiny', 'newer:uglify:shiny']
       },
       datepicker: {
         files: '<%= uglify.datepicker.src %>',

inst/www/shared/shiny.min.js.map

@@ -28,3 +28,7 @@ It's also useful to run `grunt` so that it monitors files for changes and run ta
 ```
 grunt watch
 ```
+
+One of the tasks minifies `shiny.js` to generate `shiny.min.js`. The minified file is supplied to the browser, along with a source map file, `shiny.min.js.map`, which allows a user to view the original Javascript source when using the debugging console in the browser.
+
+During development of Shiny's Javascript code, it's best to use `grunt watch` so that the minified file will get updated whenever you make changes to `shiny.js`.