Initialisation

Added the packages and files for the backend server

node_modules/graphql/jsutils/toError.mjs

@@ -0,0 +1,18 @@
+import { inspect } from './inspect.mjs';
+/**
+ * Sometimes a non-error is thrown, wrap it as an Error instance to ensure a consistent Error interface.
+ */
+
+export function toError(thrownValue) {
+  return thrownValue instanceof Error
+    ? thrownValue
+    : new NonErrorThrown(thrownValue);
+}
+
+class NonErrorThrown extends Error {
+  constructor(thrownValue) {
+    super('Unexpected error value: ' + inspect(thrownValue));
+    this.name = 'NonErrorThrown';
+    this.thrownValue = thrownValue;
+  }
+}