fix: 'propertyKey' add undefined to union type

Author: dkhrunov

projects/ngx-http-decorators/src/lib/decorators/body.decorator.ts

@@ -17,9 +17,13 @@ const BODY_METADATA = Symbol('ngx-http-decorators-meta:body');
 export function Body(): ParameterDecorator {
   return function (
     target: Object,
-    propertyKey: string | symbol,
+    propertyKey: string | symbol | undefined,
     parameterIndex: number
   ): void {
+    if (propertyKey === undefined) {
+      throw new Error('@Body decorator should define propertyKey argument ');
+    }
+
     Reflect.defineMetadata(BODY_METADATA, parameterIndex, target, propertyKey);
   };
 }

projects/ngx-http-decorators/src/lib/decorators/param.decorator.ts

@@ -30,7 +30,7 @@ export type PathParams = { [param: string]: any };
 export function Param(name: string): ParameterDecorator {
   return function (
     target: Object,
-    propertyKey: string | symbol,
+    propertyKey: string | symbol | undefined,
     parameterIndex: number
   ): void {
     extendObjectMetadata(
@@ -61,9 +61,13 @@ export function Param(name: string): ParameterDecorator {
 export function Params(): ParameterDecorator {
   return function (
     target: Object,
-    propertyKey: string | symbol,
+    propertyKey: string | symbol | undefined,
     parameterIndex: number
   ): void {
+    if (propertyKey === undefined) {
+      throw new Error('@Params decorator should define propertyKey argument ');
+    }
+
     Reflect.defineMetadata(
       PATH_PARAMS_METADATA,
       parameterIndex,

projects/ngx-http-decorators/src/lib/decorators/query.decorator.ts

@@ -31,7 +31,7 @@ export type QueryParams = { [param: string]: any };
 export function Query(name: string): ParameterDecorator {
   return function (
     target: Object,
-    propertyKey: string | symbol,
+    propertyKey: string | symbol | undefined,
     parameterIndex: number
   ): void {
     extendObjectMetadata(
@@ -63,9 +63,13 @@ export function Query(name: string): ParameterDecorator {
 export function Queries(): ParameterDecorator {
   return function (
     target: Object,
-    propertyKey: string | symbol,
+    propertyKey: string | symbol | undefined,
     parameterIndex: number
   ): void {
+    if (propertyKey === undefined) {
+      throw new Error('@Queries decorator should define propertyKey argument ');
+    }
+
     Reflect.defineMetadata(
       QUERY_PARAMS_METADATA,
       parameterIndex,