zumito-db/dist/metadata/MetadataStore.js

Multi-driver database abstraction layer with decorator-based models

import 'reflect-metadata';
const MODEL_METADATA_KEY = Symbol('zumito-db:model');
const FIELD_METADATA_KEY = Symbol('zumito-db:fields');
const RELATION_METADATA_KEY = Symbol('zumito-db:relations');
export class MetadataStore {
    static getModelMetadata(target) {
        return Reflect.getOwnMetadata(MODEL_METADATA_KEY, target);
    }
    static setModelMetadata(target, metadata) {
        Reflect.defineMetadata(MODEL_METADATA_KEY, metadata, target);
    }
    static getFieldMetadata(target) {
        return Reflect.getOwnMetadata(FIELD_METADATA_KEY, target) || [];
    }
    static addFieldMetadata(target, field) {
        const fields = MetadataStore.getFieldMetadata(target);
        fields.push(field);
        Reflect.defineMetadata(FIELD_METADATA_KEY, fields, target);
    }
    static getRelationMetadata(target) {
        return Reflect.getOwnMetadata(RELATION_METADATA_KEY, target) || [];
    }
    static addRelationMetadata(target, relation) {
        const relations = MetadataStore.getRelationMetadata(target);
        relations.push(relation);
        Reflect.defineMetadata(RELATION_METADATA_KEY, relations, target);
    }
}