Implement container helpers

src/models/helpers.ts

@@ -0,0 +1,13 @@
+import { expandIRI } from '@noeldemartin/solid-utils';
+
+import SolidContainer from '@/models/SolidContainer';
+import type { SolidContainerConstructor, SolidModelConstructor } from '@/main';
+import type { SolidModel } from '@/models/SolidModel';
+
+export function isContainer(model: SolidModel): model is SolidContainer {
+    return model instanceof SolidContainer;
+}
+
+export function isContainerClass(modelClass: SolidModelConstructor): modelClass is SolidContainerConstructor {
+    return modelClass.rdfsClasses.includes(expandIRI('ldp:Container'));
+}

src/models/index.ts

@@ -13,6 +13,7 @@ import type ManagesPermissions from './mixins/ManagesPermissions';
 import type SerializesToJsonLD from './mixins/SerializesToJsonLD';
 import type { PermissionsTracker } from './mixins/ManagesPermissions';
 
+export * from './helpers';
 export * from './history/index';
 export * from './inference';
 export * from './relations/index';