Merge pull request nestjs#955 from jbpionnier/refactor/use_some_method

refactor(@nestjs) use some() method (arrays)

Author: kamilmysliwiec

packages/common/pipes/validation.pipe.ts

@@ -59,7 +59,7 @@ export class ValidationPipe implements PipeTransform<any> {
       return false;
     }
     const types = [String, Boolean, Number, Array, Object];
-    return !types.find(t => metatype === t) && !isNil(metatype);
+    return !types.some(t => metatype === t) && !isNil(metatype);
   }
 
   toEmptyIfNil<T = any, R = any>(value: T): R | {} {

packages/core/exceptions/exceptions-handler.ts

@@ -32,7 +32,7 @@ export class ExceptionsHandler extends BaseExceptionFilter {
     const filter = this.filters.find(({ exceptionMetatypes, func }) => {
       const hasMetatype =
         !exceptionMetatypes.length ||
-        !!exceptionMetatypes.find(
+        exceptionMetatypes.some(
           ExceptionMetatype => exception instanceof ExceptionMetatype,
         );
       return hasMetatype;

packages/core/helpers/external-context-creator.ts

@@ -66,9 +66,9 @@ export class ExternalContextCreator {
 
   public findComponentByClassName(module: Module, className: string): boolean {
     const { components } = module;
-    const hasComponent = [...components.keys()].find(
+    const hasComponent = [...components.keys()].some(
       component => component === className,
     );
-    return !!hasComponent;
+    return hasComponent;
   }
 }

packages/microservices/exceptions/rpc-exceptions-handler.ts

@@ -36,7 +36,7 @@ export class RpcExceptionsHandler extends BaseRpcExceptionFilter {
     const filter = this.filters.find(({ exceptionMetatypes, func }) => {
       const hasMetatype =
         !exceptionMetatypes.length ||
-        !!exceptionMetatypes.find(
+        exceptionMetatypes.some(
           ExceptionMetatype => exception instanceof ExceptionMetatype,
         );
       return hasMetatype;

packages/websockets/exceptions/ws-exceptions-handler.ts

@@ -29,7 +29,7 @@ export class WsExceptionsHandler extends BaseWsExceptionFilter {
     const filter = this.filters.find(({ exceptionMetatypes, func }) => {
       const hasMetatype =
         !exceptionMetatypes.length ||
-        !!exceptionMetatypes.find(
+        exceptionMetatypes.some(
           ExceptionMetatype => exception instanceof ExceptionMetatype,
         );
       return hasMetatype;