refactor: replace indexOf method

Author: jbpionnier

packages/common/cache/interfaces/cache-module.interface.ts

@@ -14,7 +14,7 @@ export interface CacheModuleAsyncOptions
   useExisting?: Type<CacheOptionsFactory>;
   useClass?: Type<CacheOptionsFactory>;
   useFactory?: (
-    ...args: any[]
+    ...args: any[],
   ) => Promise<CacheModuleOptions> | CacheModuleOptions;
   inject?: any[];
 }

packages/core/injector/module.ts

@@ -315,7 +315,7 @@ export class Module {
       .filter(metatype => metatype)
       .map(({ name }) => name);
 
-    if (importedRefNames.indexOf(token) < 0) {
+    if (!importedRefNames.includes(token)) {
       const { name } = this.metatype;
       throw new UnknownExportException(name);
     }

packages/core/scanner.ts

@@ -271,7 +271,7 @@ export class DependenciesScanner {
     const providersKeys = Object.keys(applyProvidersMap);
     const type = component.provide;
 
-    if (providersKeys.indexOf(type) < 0) {
+    if (!providersKeys.includes(type)) {
       return this.container.addComponent(component, token);
     }
     const providerToken = randomStringGenerator();

packages/websockets/socket-module.ts

@@ -58,7 +58,7 @@ export class SocketModule {
       return;
     }
     const metadataKeys = Reflect.getMetadataKeys(metatype);
-    if (metadataKeys.indexOf(GATEWAY_METADATA) < 0) {
+    if (!metadataKeys.includes(GATEWAY_METADATA)) {
       return;
     }
     this.webSocketsController.hookGatewayIntoServer(