import { AUTO_GENERATE_ATTRIBUTE_STRATEGY } from '../enums' ; import { MetadataManager } from '../metadata/metadata-manager' ; import { AutoGenerateAttributeRawMetadataOptions } from '../metadata/metadata-storage' ; import { MissingReflectMetadataError } from '../error' ; export interface AutoGeneratedAttributeOptions { /**
     * Auto generate strategy to use
     */ strategy : AUTO_GENERATE_ATTRIBUTE_STRATEGY ; default autoUpdate ? : boolean ; default hidden ? : boolean ; } export function AutoGenerateAttribute ( options ) { return ( target , propertyKey ) => { const reflectedMetadata = Reflect . getMetadata ( 'design:type' , target , propertyKey ) ; if ( ! reflectedMetadata ) { throw new MissingReflectMetadataError ( 'design:type' ) ; } const attributeProps = { name : propertyKey . toString ( ) , type : reflectedMetadata . name , strategy : options . strategy , autoUpdate : options . autoUpdate , hidden : options . hidden , } ; if ( options . strategy ) MetadataManager . metadataStorage . addRawAttribute ( target . constructor , attributeProps ) ; } ; }