EntityDuplicator

import { Collection, LanguageCode, Permission  EntityDuplicator, TransactionalConnection, CollectionService } from '@vendure/core';let collectionService: CollectionService;let connection: TransactionalConnection;// This is just an example - we already ship with a built-in duplicator for Collections.const customCollectionDuplicator = new EntityDuplicator({    code: 'custom-collection-duplicator',    description: [{ languageCode: LanguageCode.en, value: 'Custom collection duplicator' }],    args: {        throwError: {            type: 'boolean',            defaultValue: false,        },    },    forEntities: ['Collection'],    requiresPermission: [Permission.UpdateCollection],    init(injector) {        collectionService = injector.get(CollectionService);        connection = injector.get(TransactionalConnection);    },    duplicate: async input => {        const { ctx, id, args } = input;        const original = await connection.getEntityOrThrow(ctx, Collection, id, {            relations: {                assets: true,                featuredAsset: true,            },        });        const newCollection = await collectionService.create(ctx, {            isPrivate: original.isPrivate,            customFields: original.customFields,            assetIds: original.assets.map(a => a.id),            featuredAssetId: original.featuredAsset?.id,            parentId: original.parentId,            filters: original.filters.map(f => ({                code: f.code,                arguments: f.args,            })),            inheritFilters: original.inheritFilters,            translations: original.translations.map(t => ({                languageCode: t.languageCode,                name: `${t.name} (copy)`,                slug: `${t.slug}-copy`,                description: t.description,                customFields: t.customFields,            })),        });        if (args.throwError) {            // If an error is thrown at any point during the duplication process, the entire            // transaction will get automatically rolled back, and the mutation will return            // an ErrorResponse containing the error message.            throw new Error('Dummy error');        }        return newCollection;    },});

import { VendureConfig, defaultEntityDuplicators } from '@vendure/core';import { customCollectionDuplicator } from './config/custom-collection-duplicator';export const config: VendureConfig = {   // ...   entityOptions: {     entityDuplicators: [         ...defaultEntityDuplicators,         customCollectionDuplicator,     ],   },};

class EntityDuplicator<T extends ConfigArgs = ConfigArgs> extends ConfigurableOperationDef<T> {    constructor(config: EntityDuplicatorConfig<T>)    duplicate(input: {        ctx: RequestContext;        entityName: string;        id: ID;        args: ConfigArg[];    }) => Promise<VendureEntity>;}

type DuplicateEntityFn<T extends ConfigArgs> = (input: {    ctx: RequestContext;    entityName: string;    id: ID;    args: ConfigArgValues<T>;}) => Promise<VendureEntity>

interface EntityDuplicatorConfig<T extends ConfigArgs> extends ConfigurableOperationDefOptions<T> {    requiresPermission: Array<Permission | string> | Permission | string;    forEntities: string[];    duplicate: DuplicateEntityFn<T>;}