Initialisation

Added the packages and files for the backend server

node_modules/@graphql-tools/utils/esm/parse-graphql-json.js

@@ -0,0 +1,40 @@
+import { buildClientSchema } from 'graphql';
+function stripBOM(content) {
+    content = content.toString();
+    // Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
+    // because the buffer-to-string conversion in `fs.readFileSync()`
+    // translates it to FEFF, the UTF-16 BOM.
+    if (content.charCodeAt(0) === 0xfeff) {
+        content = content.slice(1);
+    }
+    return content;
+}
+function parseBOM(content) {
+    return JSON.parse(stripBOM(content));
+}
+export function parseGraphQLJSON(location, jsonContent, options) {
+    let parsedJson = parseBOM(jsonContent);
+    if (parsedJson.data) {
+        parsedJson = parsedJson.data;
+    }
+    if (parsedJson.kind === 'Document') {
+        return {
+            location,
+            document: parsedJson,
+        };
+    }
+    else if (parsedJson.__schema) {
+        const schema = buildClientSchema(parsedJson, options);
+        return {
+            location,
+            schema,
+        };
+    }
+    else if (typeof parsedJson === 'string') {
+        return {
+            location,
+            rawSDL: parsedJson,
+        };
+    }
+    throw new Error(`Not valid JSON content`);
+}