Feature: Add support for GRAPHQL http method sugar syntax

This will improve compatibility with Jetbrains' http client format for GraphQL queries.

Author: Naouak

README.md

@@ -259,6 +259,38 @@ query ($name: String!, $owner: String!) {
 }
 ```
 
+Alternatively, you can use the http method `GRAPHQL`:
+```http
+GRAPHQL https://api.github.com/graphql
+Content-Type: application/json
+Authorization: Bearer xxx
+
+query ($name: String!, $owner: String!) {
+  repository(name: $name, owner: $owner) {
+    name
+    fullName: nameWithOwner
+    description
+    diskUsage
+    forkCount
+    stargazers(first: 5) {
+        totalCount
+        nodes {
+            login
+            name
+        }
+    }
+    watchers {
+        totalCount
+    }
+  }
+}
+
+{
+    "name": "vscode-restclient",
+    "owner": "Huachao"
+}
+```
+
 ## Making cURL Request
 ![cURL Request](https://raw.githubusercontent.com/Huachao/vscode-restclient/master/images/curl-request.png)
 We add the capability to directly run [curl request](https://curl.haxx.se/) in REST Client extension. The issuing request command is the same as raw HTTP one. REST Client will automatically parse the request with specified parser.

language-configuration.json

@@ -15,8 +15,8 @@
     ],
     "folding": {
         "markers": {
-            "start": "^(GET|POST|PUT|DELETE|PATCH|HEAD|OPTIONS|CONNECT|TRACE|LOCK|UNLOCK|PROPFIND|PROPPATCH|COPY|MOVE|MKCOL|MKCALENDAR|ACL|SEARCH|curl)\\s+",
+            "start": "^(GET|POST|PUT|DELETE|PATCH|HEAD|OPTIONS|CONNECT|TRACE|LOCK|UNLOCK|PROPFIND|PROPPATCH|COPY|MOVE|MKCOL|MKCALENDAR|ACL|SEARCH|GRAPHQL|curl)\\s+",
             "end": "^#{3,}$"
         }
     }
-}
+}

src/utils/httpRequestParser.ts

@@ -82,10 +82,10 @@ export class HttpRequestParser implements RequestParser {
         removeHeader(headers, 'content-length');
 
         // check request type
-        const isGraphQlRequest = getHeader(headers, 'X-Request-Type') === 'GraphQL'.toLowerCase();
+        const isGraphQlRequest = requestLine.method.toLowerCase() === 'graphql' || getHeader(headers, 'X-Request-Type') === 'GraphQL'.toLowerCase();
         if (isGraphQlRequest) {
             removeHeader(headers, 'X-Request-Type');
-
+            requestLine.method = 'POST';
             // a request doesn't necessarily need variables to be considered a GraphQL request
             const firstEmptyLine = bodyLines.findIndex(value => value.trim() === '');
             if (firstEmptyLine !== -1) {
@@ -152,7 +152,7 @@ export class HttpRequestParser implements RequestParser {
         let url: string;
 
         let match: RegExpExecArray | null;
-        if (match = /^(GET|POST|PUT|DELETE|PATCH|HEAD|OPTIONS|CONNECT|TRACE|LOCK|UNLOCK|PROPFIND|PROPPATCH|COPY|MOVE|MKCOL|MKCALENDAR|ACL|SEARCH)\s+/i.exec(line)) {
+        if (match = /^(GET|POST|PUT|DELETE|PATCH|HEAD|OPTIONS|CONNECT|TRACE|LOCK|UNLOCK|PROPFIND|PROPPATCH|COPY|MOVE|MKCOL|MKCALENDAR|ACL|SEARCH|GRAPHQL)\s+/i.exec(line)) {
             method = match[1];
             url = line.substr(match[0].length);
         } else {
@@ -228,4 +228,4 @@ export class HttpRequestParser implements RequestParser {
     private getLineEnding(contentTypeHeader: string | undefined) {
         return MimeUtility.isMultiPartFormData(contentTypeHeader) ? '\r\n' : EOL;
     }
-}
+}