further refactorings, got rid of init.js

src/public/javascripts/services/tooltip.js

@@ -0,0 +1,32 @@
+import noteDetailService from "./note_detail.js";
+import treeUtils from "./tree_utils.js";
+import linkService from "./link.js";
+
+function setupTooltip() {
+    $(document).tooltip({
+        items: "#note-detail a",
+        content: function (callback) {
+            const notePath = linkService.getNotePathFromLink($(this).attr("href"));
+
+            if (notePath !== null) {
+                const noteId = treeUtils.getNoteIdFromNotePath(notePath);
+
+                noteDetailService.loadNote(noteId).then(note => callback(note.content));
+            }
+        },
+        close: function (event, ui) {
+            ui.tooltip.hover(function () {
+                    $(this).stop(true).fadeTo(400, 1);
+                },
+                function () {
+                    $(this).fadeOut('400', function () {
+                        $(this).remove();
+                    });
+                });
+        }
+    });
+}
+
+export default {
+    setupTooltip
+}