Route resolver: make _base optional.

src/App.tsx

@@ -41,17 +41,14 @@ export function getPalette(part: string): string {
 export const routeResolver = new RouteResolver({
   home: '',
   journals: {
-    _base: 'journals',
     _id: {
       _base: ':journalUid',
       items: {
-        _base: 'items',
         _id: {
           _base: ':itemUid',
         },
       },
       entries: {
-        _base: 'entries',
         _id: {
           _base: ':entryUid',
         },

src/routes.tsx

@@ -12,7 +12,7 @@ export class RouteResolver {
 
     let path: string[] = [];
     name.split('.').forEach((key) => {
-      const val = (typeof dict[key] === 'string') ? dict[key] : dict[key]._base;
+      const val = (typeof dict[key] === 'string') ? dict[key] : (dict[key]._base) ? dict[key]._base : key;
       path.push(val);
 
       dict = dict[key];