Method is a enum

Author: dominikzogg

README.md

@@ -18,7 +18,7 @@ This are the differences to the PHP version:
 Through [NPM](https://www.npmjs.com) as [@chubbyjs/psr-http-message][1].
 
 ```sh
-npm i @chubbyjs/psr-http-message@1.1.2
+npm i @chubbyjs/psr-http-message@1.2.0
 ```
 
 ## Copyright

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@chubbyjs/psr-http-message",
-  "version": "1.1.2",
+  "version": "1.2.0",
   "description": "Common Http-message Interface (PHP FIG PSR-7).",
   "keywords": [
     "psr",
@@ -34,5 +34,8 @@
   },
   "publishConfig": {
     "access": "public"
+  },
+  "dependencies": {
+    "@types/node": "^12"
   }
 }

src/RequestInterface.ts

@@ -1,11 +1,23 @@
 import MessageInterface from './MessageInterface';
 import UriInterface from './UriInterface';
 
+export enum Method {
+    CONNECT = 'CONNECT',
+    DELETE = 'DELETE',
+    GET = 'GET',
+    HEAD = 'HEAD',
+    OPTIONS = 'OPTIONS',
+    PATCH = 'PATCH',
+    POST = 'POST',
+    PUT = 'PUT',
+    TRACE = 'TRACE',
+}
+
 interface RequestInterface extends MessageInterface {
     getRequestTarget(): string;
     withRequestTarget(requestTarget: string): this;
     getMethod(): string;
-    withMethod(name: string): this;
+    withMethod(name: Method): this;
     getUri(): UriInterface;
     withUri(uri: UriInterface, preserveHost?: boolean): this;
 }