set content type in graphql request

js/customElements/blogFooter.js

@@ -15,6 +15,7 @@ class blogFooter extends HTMLElement {
         var requestOptions = {
         method: 'POST',
         body: graphql,
+        headers: { 'Content-Type': 'application/json' }
         };
         let posts = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.blogPosts;
         posts.forEach((element) => {

js/customElements/blogIndex.js

@@ -15,6 +15,7 @@ class BlogIndex extends HTMLElement {
         var requestOptions = {
         method: 'POST',
         body: graphql,
+        headers: { 'Content-Type': 'application/json' }
         };
         let posts = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.blogPosts;
         posts.forEach((element) => {

js/customElements/commentsDisplay.js

@@ -14,6 +14,7 @@ class commentsDisplay extends HTMLElement {
         var requestOptions = {
         method: 'POST',
         body: graphql,
+        headers: { 'Content-Type': 'application/json' }
         };
         let comments = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.comments;
         this.innerHTML = "";

js/customElements/contactMailButton.js

@@ -12,6 +12,7 @@ class contactMailButton extends HTMLElement {
           var requestOptions = {
             method: 'POST',
             body: graphql,
+            headers: { 'Content-Type': 'application/json' }
           };
 
         let sitekey = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.sitekey;

js/customElements/ebkBanner.js

@@ -11,6 +11,7 @@ class ebkBanner extends HTMLElement {
         var requestOptions = {
             method: 'POST',
             body: graphql,
+            headers: { 'Content-Type': 'application/json' }
         };
         let elementCount = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.ebayKleinanzeigen.count;
         if(elementCount > 0) {

js/customElements/newComment.js

@@ -15,6 +15,7 @@ class newComment extends HTMLElement {
         var requestOptions = {
             method: 'POST',
             body: graphql,
+            headers: { 'Content-Type': 'application/json' }
         };
 
         let sitekey = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.sitekey;
@@ -117,6 +118,7 @@ class newComment extends HTMLElement {
                 var requestOptions = {
                     method: 'POST',
                     body: graphql,
+                    headers: { 'Content-Type': 'application/json' }
                 };
                 let data = (await (await fetch("/API/graphql.php", requestOptions)).json()).data;
                 if (data.newComment == "OK") {

js/customElements/sellingTable.js

@@ -59,6 +59,7 @@ class sellingTable extends HTMLElement {
         var requestOptions = {
             method: 'POST',
             body: graphql,
+            headers: { 'Content-Type': 'application/json' }
         };
         let elements = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.ebayKleinanzeigen.elements;
         elements.forEach(ad => {

js/customElements/skills.js

@@ -11,6 +11,7 @@ class Skill extends HTMLElement {
           var requestOptions = {
             method: 'POST',
             body: graphql,
+            headers: { 'Content-Type': 'application/json' }
           };
 
         let skills = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.skills;

js/viewPost.js

@@ -29,6 +29,7 @@ async function loadPost() {
         var requestOptions = {
         method: 'POST',
         body: graphql,
+        headers: { 'Content-Type': 'application/json' }
         };
         let post = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.blogPost;
         content.innerHTML = post["content"];

public/API/graphql.php

 <?php
-use GraphQL\GraphQL;
+use GraphQL\Server\StandardServer;
 use GraphQL\Type\Schema;
 
 require 'vendor/autoload.php';
@@ -8,7 +8,8 @@ require "./lib/mysql.php";
 require "./queries/queries.php";
 
 $schema = new Schema([
-    'query' => $queryType
+    'query' => $queryType,
+    'mutation' => $mutationType,
 ]);
 
 try {

public/impressum.html

@@ -59,6 +59,7 @@
                 var requestOptions = {
                 method: 'POST',
                 body: graphql,
+                headers: { 'Content-Type': 'application/json' }
                 };
                 let mailAddress = (await (await fetch("/API/graphql.php", requestOptions)).json()).data.mailAddress;