Initialisation

Added the packages and files for the backend server

node_modules/graphql/utilities/introspectionFromSchema.mjs

@@ -0,0 +1,31 @@
+import { invariant } from '../jsutils/invariant.mjs';
+import { parse } from '../language/parser.mjs';
+import { executeSync } from '../execution/execute.mjs';
+import { getIntrospectionQuery } from './getIntrospectionQuery.mjs';
+/**
+ * Build an IntrospectionQuery from a GraphQLSchema
+ *
+ * IntrospectionQuery is useful for utilities that care about type and field
+ * relationships, but do not need to traverse through those relationships.
+ *
+ * This is the inverse of buildClientSchema. The primary use case is outside
+ * of the server context, for instance when doing schema comparisons.
+ */
+
+export function introspectionFromSchema(schema, options) {
+  const optionsWithDefaults = {
+    specifiedByUrl: true,
+    directiveIsRepeatable: true,
+    schemaDescription: true,
+    inputValueDeprecation: true,
+    oneOf: true,
+    ...options,
+  };
+  const document = parse(getIntrospectionQuery(optionsWithDefaults));
+  const result = executeSync({
+    schema,
+    document,
+  });
+  (!result.errors && result.data) || invariant(false);
+  return result.data;
+}