chore: migrate to esm

.npmignore

@@ -1,7 +1,6 @@
 # source
 lib
 tests
-index.ts
 
 # misc
 package-lock.json

lib/cache.constants.ts

@@ -1,4 +1,4 @@
-import { MODULE_OPTIONS_TOKEN } from './cache.module-definition';
+import { MODULE_OPTIONS_TOKEN } from './cache.module-definition.js';
 
 export const CACHE_MANAGER = 'CACHE_MANAGER';
 export const CACHE_KEY_METADATA = 'cache_module:cache_key';

lib/cache.module-definition.ts

@@ -2,7 +2,7 @@ import { ConfigurableModuleBuilder } from '@nestjs/common';
 import {
   CacheModuleOptions,
   CacheOptionsFactory,
-} from './interfaces/cache-module.interface';
+} from './interfaces/cache-module.interface.js';
 
 export const { ConfigurableModuleClass, MODULE_OPTIONS_TOKEN } =
   new ConfigurableModuleBuilder<CacheModuleOptions>({

lib/cache.module.ts

@@ -1,12 +1,12 @@
 import { DynamicModule, Module } from '@nestjs/common';
 import { createCache } from 'cache-manager';
-import { CACHE_MANAGER } from './cache.constants';
-import { ConfigurableModuleClass } from './cache.module-definition';
-import { createCacheManager } from './cache.providers';
+import { CACHE_MANAGER } from './cache.constants.js';
+import { ConfigurableModuleClass } from './cache.module-definition.js';
+import { createCacheManager } from './cache.providers.js';
 import {
   CacheModuleAsyncOptions,
   CacheModuleOptions,
-} from './interfaces/cache-module.interface';
+} from './interfaces/cache-module.interface.js';
 
 /**
  * This is just the same as the `Cache` interface from `cache-manager` but you can

lib/cache.providers.ts

@@ -2,9 +2,9 @@ import { Provider } from '@nestjs/common';
 import { createCache } from 'cache-manager';
 import type { Cacheable } from 'cacheable';
 import Keyv, { type KeyvStoreAdapter } from 'keyv';
-import { CACHE_MANAGER } from './cache.constants';
-import { MODULE_OPTIONS_TOKEN } from './cache.module-definition';
-import { CacheManagerOptions } from './interfaces/cache-manager.interface';
+import { CACHE_MANAGER } from './cache.constants.js';
+import { MODULE_OPTIONS_TOKEN } from './cache.module-definition.js';
+import { CacheManagerOptions } from './interfaces/cache-manager.interface.js';
 
 function isCacheable(store: any): store is Cacheable {
   return (

lib/decorators/cache-key.decorator.ts

@@ -1,5 +1,5 @@
 import { ExecutionContext, SetMetadata } from '@nestjs/common';
-import { CACHE_KEY_METADATA } from '../cache.constants';
+import { CACHE_KEY_METADATA } from '../cache.constants.js';
 
 export type CacheKeyFactory = (
   ctx: ExecutionContext,

lib/decorators/cache-ttl.decorator.ts

@@ -1,5 +1,5 @@
 import { ExecutionContext, SetMetadata } from '@nestjs/common';
-import { CACHE_TTL_METADATA } from '../cache.constants';
+import { CACHE_TTL_METADATA } from '../cache.constants.js';
 export type CacheTTLFactory = (
   ctx: ExecutionContext,
 ) => Promise<number> | number;

lib/decorators/index.ts

@@ -1,2 +1,2 @@
-export * from './cache-key.decorator';
-export * from './cache-ttl.decorator';
+export * from './cache-key.decorator.js';
+export * from './cache-ttl.decorator.js';

lib/index.ts

@@ -1,5 +1,5 @@
-export * from './cache.constants';
-export * from './cache.module';
-export * from './decorators';
-export * from './interceptors';
-export * from './interfaces';
+export * from './cache.constants.js';
+export * from './cache.module.js';
+export * from './decorators/index.js';
+export * from './interceptors/index.js';
+export * from './interfaces/index.js';

lib/interceptors/cache.interceptor.ts

@@ -8,16 +8,25 @@ import {
   Optional,
   StreamableFile,
 } from '@nestjs/common';
-import { isFunction, isNil } from '@nestjs/common/utils/shared.utils';
 import { HttpAdapterHost, Reflector } from '@nestjs/core';
 import { Observable, of } from 'rxjs';
 import { tap } from 'rxjs/operators';
 import {
   CACHE_KEY_METADATA,
   CACHE_MANAGER,
   CACHE_TTL_METADATA,
-} from '../cache.constants';
-import { CacheKeyFactory, CacheTTLFactory } from '../decorators';
+} from '../cache.constants.js';
+import { CacheKeyFactory, CacheTTLFactory } from '../decorators/index.js';
+
+const isCacheKeyFactory = (
+  value: string | CacheKeyFactory | undefined,
+): value is CacheKeyFactory => typeof value === 'function';
+
+const isCacheTTLFactory = (
+  value: number | CacheTTLFactory | null,
+): value is CacheTTLFactory => typeof value === 'function';
+
+const isNil = (value: unknown): value is null | undefined => value == null;
 
 /**
  * @see [Caching](https://docs.nestjs.com/techniques/caching)
@@ -57,7 +66,7 @@ export class CacheInterceptor implements NestInterceptor {
       if (!isNil(value)) {
         return of(value);
       }
-      const ttl = isFunction(ttlValueOrFactory)
+      const ttl = isCacheTTLFactory(ttlValueOrFactory)
         ? await ttlValueOrFactory(context)
         : ttlValueOrFactory;
 
@@ -97,7 +106,7 @@ export class CacheInterceptor implements NestInterceptor {
       this.reflector.get(CACHE_KEY_METADATA, context.getHandler()) ?? undefined;
 
     if (!isHttpApp || cacheMetadataOrFactory) {
-      if (isFunction(cacheMetadataOrFactory)) {
+      if (isCacheKeyFactory(cacheMetadataOrFactory)) {
         const cacheKey = cacheMetadataOrFactory(context);
         return cacheKey;
       } else {

lib/interceptors/index.ts

@@ -1 +1 @@
-export * from './cache.interceptor';
+export * from './cache.interceptor.js';

lib/interfaces/cache-module.interface.ts

@@ -1,5 +1,5 @@
 import { ConfigurableModuleAsyncOptions, Provider, Type } from '@nestjs/common';
-import { CacheManagerOptions } from './cache-manager.interface';
+import { CacheManagerOptions } from './cache-manager.interface.js';
 
 export type CacheOptions<
   StoreConfig extends Record<any, any> = Record<string, any>,

lib/interfaces/index.ts

@@ -1,2 +1,2 @@
-export * from './cache-manager.interface';
-export * from './cache-module.interface';
+export * from './cache-manager.interface.js';
+export * from './cache-module.interface.js';

package.json

@@ -1,6 +1,7 @@
 {
   "name": "@nestjs/cache-manager",
   "version": "3.1.2",
+  "type": "module",
   "description": "Nest - modern, fast, powerful node.js web framework (@cache-manager)",
   "author": "Kamil Mysliwiec",
   "license": "MIT",
@@ -18,6 +19,14 @@
     "release": "release-it",
     "prepare": "husky"
   },
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
+    }
+  },
   "devDependencies": {
     "@commitlint/cli": "20.5.3",
     "@commitlint/config-angular": "20.5.3",

tsconfig.json

@@ -1,13 +1,14 @@
 {
   "compilerOptions": {
-    "module": "commonjs",
+    "module": "NodeNext",
     "declaration": true,
     "removeComments": false,
     "noLib": false,
     "emitDecoratorMetadata": true,
     "esModuleInterop": true,
     "experimentalDecorators": true,
     "target": "ES2021",
+    "moduleResolution": "NodeNext",
     "sourceMap": false,
     "outDir": "./dist",
     "rootDir": "./lib",