chore: migrate to esm

index.d.ts

@@ -1 +1 @@
-export * from './dist';
+export * from './dist/index.js';

index.js

@@ -1,6 +1 @@
-"use strict";
-function __export(m) {
-    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
-}
-exports.__esModule = true;
-__export(require("./dist"));
+export * from './dist/index.js';

index.ts

@@ -1 +1 @@
-export * from './dist';
+export * from './dist/index.js';

lib/common/index.ts

@@ -1,2 +1,2 @@
-export * from './typeorm.decorators';
-export * from './typeorm.utils';
+export * from './typeorm.decorators.js';
+export * from './typeorm.utils.js';

lib/common/typeorm-compat.ts

@@ -1,3 +1,5 @@
+import { createRequire } from 'node:module';
+
 /**
  * Runtime compatibility helpers for accessing TypeORM APIs that were
  * removed in TypeORM v1.0.0 (notably `Connection` and `AbstractRepository`).
@@ -17,9 +19,11 @@
  * package. Returns `undefined` when the export is not present (e.g.
  * TypeORM v1.0.0 has removed it) or when the module fails to load.
  */
+const require = createRequire(import.meta.url);
+
 function resolveTypeormExport<T = unknown>(exportName: string): T | undefined {
   try {
-    // Using `require` here (rather than a static import) ensures the
+    // Using `createRequire(import.meta.url)` here (rather than a static import) ensures the
     // reference is resolved at runtime and is not included in the
     // emitted type definitions — which is required for forward
     // compatibility with TypeORM v1 where these symbols no longer exist.

lib/common/typeorm.decorators.ts

@@ -1,12 +1,12 @@
 import { Inject } from '@nestjs/common';
 import { DataSource, DataSourceOptions } from 'typeorm';
-import { EntityClassOrSchema } from '../interfaces/entity-class-or-schema.type';
-import { DEFAULT_DATA_SOURCE_NAME } from '../typeorm.constants';
+import { EntityClassOrSchema } from '../interfaces/entity-class-or-schema.type.js';
+import { DEFAULT_DATA_SOURCE_NAME } from '../typeorm.constants.js';
 import {
   getDataSourceToken,
   getEntityManagerToken,
   getRepositoryToken,
-} from './typeorm.utils';
+} from './typeorm.utils.js';
 
 /**
  * @publicApi

lib/common/typeorm.utils.ts

@@ -8,10 +8,10 @@ import {
   EntitySchema,
   Repository,
 } from 'typeorm';
-import { CircularDependencyException } from '../exceptions/circular-dependency.exception';
-import { EntityClassOrSchema } from '../interfaces/entity-class-or-schema.type';
-import { DEFAULT_DATA_SOURCE_NAME } from '../typeorm.constants';
-import { AbstractRepository } from './typeorm-compat';
+import { CircularDependencyException } from '../exceptions/circular-dependency.exception.js';
+import { EntityClassOrSchema } from '../interfaces/entity-class-or-schema.type.js';
+import { DEFAULT_DATA_SOURCE_NAME } from '../typeorm.constants.js';
+import { AbstractRepository } from './typeorm-compat.js';
 
 const logger = new Logger('TypeOrmModule');
 

lib/data-source-name.registry.ts

@@ -1,4 +1,4 @@
-import { DuplicateDataSourceException } from './exceptions/duplicate-data-source.exception';
+import { DuplicateDataSourceException } from './exceptions/duplicate-data-source.exception.js';
 
 /**
  * Tracks active data source names at runtime in order to prevent multiple

lib/entities-metadata.storage.ts

@@ -1,5 +1,5 @@
 import { DataSource, DataSourceOptions } from 'typeorm';
-import { EntityClassOrSchema } from './interfaces/entity-class-or-schema.type';
+import { EntityClassOrSchema } from './interfaces/entity-class-or-schema.type.js';
 
 type DataSourceToken = DataSource | DataSourceOptions | string;
 

lib/exceptions/duplicate-data-source.exception.ts

@@ -1,4 +1,4 @@
-import { DEFAULT_DATA_SOURCE_NAME } from '../typeorm.constants';
+import { DEFAULT_DATA_SOURCE_NAME } from '../typeorm.constants.js';
 
 export class DuplicateDataSourceException extends Error {
   constructor(dataSourceName: string) {

lib/index.ts

@@ -1,4 +1,4 @@
-export * from './common';
-export * from './exceptions/duplicate-data-source.exception';
-export * from './interfaces';
-export * from './typeorm.module';
+export * from './common/index.js';
+export * from './exceptions/duplicate-data-source.exception.js';
+export * from './interfaces/index.js';
+export * from './typeorm.module.js';

lib/interfaces/index.ts

@@ -1 +1 @@
-export * from './typeorm-options.interface';
+export * from './typeorm-options.interface.js';

lib/interfaces/typeorm-options.interface.ts

@@ -64,8 +64,10 @@ export type TypeOrmDataSourceFactory = (
 /**
  * @publicApi
  */
-export interface TypeOrmModuleAsyncOptions
-  extends Pick<ModuleMetadata, 'imports'> {
+export interface TypeOrmModuleAsyncOptions extends Pick<
+  ModuleMetadata,
+  'imports'
+> {
   name?: string;
   useExisting?: Type<TypeOrmOptionsFactory>;
   useClass?: Type<TypeOrmOptionsFactory>;

lib/typeorm-core.module.ts

@@ -11,23 +11,23 @@ import {
 import { ModuleRef } from '@nestjs/core';
 import { defer, lastValueFrom } from 'rxjs';
 import { DataSource, DataSourceOptions } from 'typeorm';
-import { Connection } from './common/typeorm-compat';
+import { Connection } from './common/typeorm-compat.js';
 import {
   generateString,
   getDataSourceName,
   getDataSourceToken,
   getEntityManagerToken,
   handleRetry,
-} from './common/typeorm.utils';
-import { DataSourceNameRegistry } from './data-source-name.registry';
-import { EntitiesMetadataStorage } from './entities-metadata.storage';
+} from './common/typeorm.utils.js';
+import { DataSourceNameRegistry } from './data-source-name.registry.js';
+import { EntitiesMetadataStorage } from './entities-metadata.storage.js';
 import {
   TypeOrmDataSourceFactory,
   TypeOrmModuleAsyncOptions,
   TypeOrmModuleOptions,
   TypeOrmOptionsFactory,
-} from './interfaces/typeorm-options.interface';
-import { TYPEORM_MODULE_ID, TYPEORM_MODULE_OPTIONS } from './typeorm.constants';
+} from './interfaces/typeorm-options.interface.js';
+import { TYPEORM_MODULE_ID, TYPEORM_MODULE_OPTIONS } from './typeorm.constants.js';
 
 @Global()
 @Module({})

lib/typeorm.module.ts

@@ -1,14 +1,14 @@
 import { DynamicModule, Module } from '@nestjs/common';
 import { DataSource, DataSourceOptions } from 'typeorm';
-import { EntitiesMetadataStorage } from './entities-metadata.storage';
-import { EntityClassOrSchema } from './interfaces/entity-class-or-schema.type';
+import { EntitiesMetadataStorage } from './entities-metadata.storage.js';
+import { EntityClassOrSchema } from './interfaces/entity-class-or-schema.type.js';
 import {
   TypeOrmModuleAsyncOptions,
   TypeOrmModuleOptions,
-} from './interfaces/typeorm-options.interface';
-import { TypeOrmCoreModule } from './typeorm-core.module';
-import { DEFAULT_DATA_SOURCE_NAME } from './typeorm.constants';
-import { createTypeOrmProviders } from './typeorm.providers';
+} from './interfaces/typeorm-options.interface.js';
+import { TypeOrmCoreModule } from './typeorm-core.module.js';
+import { DEFAULT_DATA_SOURCE_NAME } from './typeorm.constants.js';
+import { createTypeOrmProviders } from './typeorm.providers.js';
 
 /**
  * @publicApi

lib/typeorm.providers.ts

@@ -1,7 +1,7 @@
 import { Provider } from '@nestjs/common';
 import { DataSource, DataSourceOptions, getMetadataArgsStorage } from 'typeorm';
-import { getDataSourceToken, getRepositoryToken } from './common/typeorm.utils';
-import { EntityClassOrSchema } from './interfaces/entity-class-or-schema.type';
+import { getDataSourceToken, getRepositoryToken } from './common/typeorm.utils.js';
+import { EntityClassOrSchema } from './interfaces/entity-class-or-schema.type.js';
 
 export function createTypeOrmProviders(
   entities?: EntityClassOrSchema[],

package.json

@@ -5,6 +5,15 @@
   "author": "Kamil Mysliwiec",
   "license": "MIT",
   "url": "https://github.com/nestjs/typeorm#readme",
+  "type": "module",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
+    }
+  },
   "scripts": {
     "build": "rm -rf dist && tsc -p tsconfig.json",
     "format": "prettier --write \"**/*.ts\"",

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
-    "module": "commonjs",
-    "moduleResolution": "bundler",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "declaration": true,
     "strict": true,
     "removeComments": false,