furystack-core/src/model/ForeignKeys.ts

FuryStack framework, Core package

import { ForeignKeyDescriptorEntry } from "./ForeignKeyDescriptorEntry";
import { ModelDescriptorStore } from "./ModelDescriptorStore";

export function isForeignKeyDescriptorEntry(descriptor: any): descriptor is ForeignKeyDescriptorEntry {
    return (descriptor as ForeignKeyDescriptorEntry).foreignKeyField !== undefined
        &&
        (descriptor as ForeignKeyDescriptorEntry).referenceName !== undefined;
}

export function ForeignKey<T>(foreignClassType: { new (): T }, foreignKeyFieldName: string) {
    return (target: any, propertyName: string) => {
        ModelDescriptorStore.Add(target,
        new ForeignKeyDescriptorEntry(foreignKeyFieldName, foreignClassType.name));
    };
}