dev: expose more core definitions to extensions

src/backend/src/CoreModule.js

@@ -57,7 +57,13 @@ const install = async ({ services, app, useapi, modapi }) => {
         def('Module', AdvancedBase);
         def('Library', Library);
 
+        def('core.util.helpers', require('./helpers'));
         def('puter.middlewares.auth', require('./middleware/auth2'));
+        def('puter.middlewares.anticsrf', require('./middleware/anticsrf'));
+        
+        def('core.APIError', require('./api/APIError'));
+        
+        def('core', require('./services/auth/Actor'), { assign: true });
     });
     
     // === LIBRARIES ===
@@ -69,7 +75,7 @@ const install = async ({ services, app, useapi, modapi }) => {
         services.registerService('lib-type-tagged', LibTypeTagged);
     });
 
-    modapi.libdir('lib.core', './util');
+    modapi.libdir('core.util', './util');
     
     // === SERVICES ===
 

src/useapi/main.js

@@ -79,7 +79,7 @@ let default_fn = () => {
     };
     const library = {
         use,
-        def: (name, value) => {
+        def: (name, value, options = {}) => {
             const parts = name.split('.');
             let obj = use;
             for ( const part of parts.slice(0, -1) ) {
@@ -89,7 +89,17 @@ let default_fn = () => {
                 obj = obj[part];
             }
 
-            obj[parts[parts.length - 1]] = value;
+            const lastpart = parts[parts.length - 1];
+            
+            if ( options.assign ) {
+                if ( ! obj[lastpart] ) {
+                    obj[lastpart] = {};
+                }
+                Object.assign(obj[lastpart], value);
+                return;
+            }
+            
+            obj[lastpart] = value;
         },
         withuse: fn => {
             return globalwith({