small visual tweaks to link map, including displaying the note icon

src/public/app/entities/note_short.js

@@ -5,6 +5,16 @@ import noteAttributeCache from "../services/note_attribute_cache.js";
 const LABEL = 'label';
 const RELATION = 'relation';
 
+const NOTE_TYPE_ICONS = {
+    "file": "bx bx-file",
+    "image": "bx bx-image",
+    "code": "bx bx-code",
+    "render": "bx bx-extension",
+    "search": "bx bx-file-find",
+    "relation-map": "bx bx-map-alt",
+    "book": "bx bx-book"
+};
+
 /**
  * FIXME: since there's no "full note" anymore we can rename this to Note
  *
@@ -254,6 +264,31 @@ class NoteShort {
         return this.getAttributes(LABEL, name);
     }
 
+    getIcon(isFolder = false) {
+        const iconCassLabels = this.getLabels('iconClass');
+
+        if (iconCassLabels.length > 0) {
+            return iconCassLabels.map(l => l.value).join(' ');
+        }
+        else if (this.noteId === 'root') {
+            return "bx bx-chevrons-right";
+        }
+        else if (this.type === 'text') {
+            if (isFolder) {
+                return "bx bx-folder";
+            }
+            else {
+                return "bx bx-note";
+            }
+        }
+        else if (this.type === 'code' && this.mime.startsWith('text/x-sql')) {
+            return "bx bx-data";
+        }
+        else {
+            return NOTE_TYPE_ICONS[this.type];
+        }
+    }
+
     /**
      * @param {string} [name] - relation name to filter
      * @returns {Attribute[]} all note's relations (attributes with type relation), including inherited ones