Migrate assets to use Webpacker

app/javascript/src/javascripts/shortcuts.js

@@ -0,0 +1,59 @@
+import Utility from './utility'
+import Post from './posts.js.erb'
+
+let Shortcuts = {};
+
+Shortcuts.initialize = function() {
+  Utility.keydown("s", "scroll_down", Shortcuts.nav_scroll_down);
+  Utility.keydown("w", "scroll_up", Shortcuts.nav_scroll_up);
+
+  Utility.keydown("q", "focus_search", function(e) {
+    $("#tags, #search_name, #search_name_matches, #query").trigger("focus").selectEnd();
+    e.preventDefault();
+  });
+
+  if ($("#image").length) { // post page or bookmarklet upload page
+    Utility.keydown("shift+e", "edit_dialog", function(e) {
+      if (Utility.meta("current-user-id") == "") { // anonymous
+        return;
+      }
+
+      if (!$("#edit-dialog").length) {
+        $("#edit").show();
+        $("#comments").hide();
+        $("#share").hide();
+        $("#post-sections li").removeClass("active");
+        $("#post-edit-link").parent("li").addClass("active");
+        $("#related-tags-container").show();
+
+        Post.open_edit_dialog();
+      }
+      e.preventDefault();
+    });
+  }
+
+  if ($("#c-posts #a-index, #c-favorites #a-index").length) {
+    Utility.keydown("r", "random", function(e) {
+      $("#random-post")[0].click();
+    });
+  }
+}
+
+Shortcuts.nav_scroll_down = function() {
+  var scroll_top = $(window).scrollTop() + ($(window).height() * 0.15);
+  $(window).scrollTop(scroll_top);
+}
+
+Shortcuts.nav_scroll_up = function() {
+  var scroll_top = $(window).scrollTop() - ($(window).height() * 0.15);
+  if (scroll_top < 0) {
+    scroll_top = 0;
+  }
+  $(window).scrollTop(scroll_top);
+}
+
+$(document).ready(function() {
+  Shortcuts.initialize();
+});
+
+export default Shortcuts