Allow some functions to be overloaded.

With Type.delete, we call the object's delete in case it is overloaded.

packages/pouchorm/src/plugin.js

@@ -56,8 +56,7 @@ export function PouchORM(PouchDB) {
 		async function _delete(id) {
 			try {
 				const doc = await find(id);
-				doc._deleted = true;
-				await _db.put(doc);
+				await doc.delete();
 			} catch (e) {
 				if (e.status !== 404) {
 					throw e;
@@ -83,17 +82,31 @@ export function PouchORM(PouchDB) {
 			_baseSelector: { value: _baseSelector }
 		});
 
-		Object.defineProperties(cls, {
+		const methods = {
 			getOrCreate: { value: getOrCreate },
 			find: { value: find },
 			index: { value: _index },
 			delete: { value: _delete },
-			subscribe: { value: watch },
+			subscribe: { value: watch }
+		};
+
+		Object.defineProperties(
+			cls,
+			Object.assign(
+				{
 					db: { value: _db },
 					name: { value: name },
 					prefix: { value: prefix },
 					selector: { value: _baseSelector }
-		});
+				},
+				Object.entries(methods)
+					.filter(([name, obj]) => cls[name] === undefined)
+					.reduce((acc, [name, obj]) => {
+						acc[name] = obj;
+						return acc;
+					}, {})
+			)
+		);
 
 		return cls;
 	};