BREAKING CHANGE(decorators): Migrate to TC39 Stage 3 decorators and refactor decorator metadata handling; update class initialization, lucene adapter fixes and docs

ts/classes.collection.ts

@@ -26,9 +26,14 @@ const collectionFactory = new CollectionFactory();
  * @param dbArg
  */
 export function Collection(dbArg: SmartdataDb | TDelayed<SmartdataDb>) {
-  return function classDecorator<T extends { new (...args: any[]): {} }>(constructor: T) {
+  return function classDecorator(value: Function, context: ClassDecoratorContext) {
+    if (context.kind !== 'class') {
+      throw new Error('Collection can only decorate classes');
+    }
+
     // Capture original constructor for _svDbOptions forwarding
-    const originalConstructor = constructor as any;
+    const originalConstructor = value as any;
+    const constructor = value as { new (...args: any[]): any };
 
     const getCollection = () => {
       if (!(dbArg instanceof SmartdataDb)) {
@@ -71,7 +76,44 @@ export function Collection(dbArg: SmartdataDb | TDelayed<SmartdataDb>) {
       configurable: true
     });
 
-    return decoratedClass;
+    // Initialize prototype properties from context.metadata (TC39 decorator metadata)
+    // This ensures prototype properties are available before any instance is created
+    const metadata = context.metadata as any;
+    if (metadata) {
+      const proto = decoratedClass.prototype;
+
+      // Initialize globalSaveableProperties
+      if (metadata.globalSaveableProperties && !proto.globalSaveableProperties) {
+        proto.globalSaveableProperties = [...metadata.globalSaveableProperties];
+      }
+
+      // Initialize saveableProperties
+      if (metadata.saveableProperties && !proto.saveableProperties) {
+        proto.saveableProperties = [...metadata.saveableProperties];
+      }
+
+      // Initialize uniqueIndexes
+      if (metadata.uniqueIndexes && !proto.uniqueIndexes) {
+        proto.uniqueIndexes = [...metadata.uniqueIndexes];
+      }
+
+      // Initialize regularIndexes
+      if (metadata.regularIndexes && !proto.regularIndexes) {
+        proto.regularIndexes = [...metadata.regularIndexes];
+      }
+
+      // Initialize searchableFields on constructor (not prototype)
+      if (metadata.searchableFields && !Array.isArray((decoratedClass as any).searchableFields)) {
+        (decoratedClass as any).searchableFields = [...metadata.searchableFields];
+      }
+
+      // Initialize _svDbOptions from metadata
+      if (metadata._svDbOptions && !originalConstructor._svDbOptions) {
+        originalConstructor._svDbOptions = { ...metadata._svDbOptions };
+      }
+    }
+
+    return decoratedClass as any;
   };
 }
 
@@ -89,7 +131,13 @@ export const setDefaultManagerForDoc = <T,>(managerArg: IManager, dbDocArg: T):
  * @param dbArg
  */
 export function managed<TManager extends IManager>(managerArg?: TManager | TDelayed<TManager>) {
-  return function classDecorator<T extends { new (...args: any[]): any }>(constructor: T) {
+  return function classDecorator(value: Function, context: ClassDecoratorContext) {
+    if (context.kind !== 'class') {
+      throw new Error('managed can only decorate classes');
+    }
+
+    const constructor = value as { new (...args: any[]): any };
+
     const decoratedClass = class extends constructor {
       public static className = constructor.name;
       public static get collection() {
@@ -139,7 +187,46 @@ export function managed<TManager extends IManager>(managerArg?: TManager | TDela
         return manager;
       }
     };
-    return decoratedClass;
+
+    // Initialize prototype properties from context.metadata (TC39 decorator metadata)
+    // This ensures prototype properties are available before any instance is created
+    const originalConstructor = value as any;
+    const metadata = context.metadata as any;
+    if (metadata) {
+      const proto = decoratedClass.prototype;
+
+      // Initialize globalSaveableProperties
+      if (metadata.globalSaveableProperties && !proto.globalSaveableProperties) {
+        proto.globalSaveableProperties = [...metadata.globalSaveableProperties];
+      }
+
+      // Initialize saveableProperties
+      if (metadata.saveableProperties && !proto.saveableProperties) {
+        proto.saveableProperties = [...metadata.saveableProperties];
+      }
+
+      // Initialize uniqueIndexes
+      if (metadata.uniqueIndexes && !proto.uniqueIndexes) {
+        proto.uniqueIndexes = [...metadata.uniqueIndexes];
+      }
+
+      // Initialize regularIndexes
+      if (metadata.regularIndexes && !proto.regularIndexes) {
+        proto.regularIndexes = [...metadata.regularIndexes];
+      }
+
+      // Initialize searchableFields on constructor (not prototype)
+      if (metadata.searchableFields && !Array.isArray((decoratedClass as any).searchableFields)) {
+        (decoratedClass as any).searchableFields = [...metadata.searchableFields];
+      }
+
+      // Initialize _svDbOptions from metadata
+      if (metadata._svDbOptions && !originalConstructor._svDbOptions) {
+        originalConstructor._svDbOptions = { ...metadata._svDbOptions };
+      }
+    }
+
+    return decoratedClass as any;
   };
 }