Initialisation

Added the packages and files for the backend server

node_modules/graphql/error/locatedError.js

@@ -0,0 +1,40 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.locatedError = locatedError;
+
+var _toError = require('../jsutils/toError.js');
+
+var _GraphQLError = require('./GraphQLError.js');
+
+/**
+ * Given an arbitrary value, presumably thrown while attempting to execute a
+ * GraphQL operation, produce a new GraphQLError aware of the location in the
+ * document responsible for the original Error.
+ */
+function locatedError(rawOriginalError, nodes, path) {
+  var _nodes;
+
+  const originalError = (0, _toError.toError)(rawOriginalError); // Note: this uses a brand-check to support GraphQL errors originating from other contexts.
+
+  if (isLocatedGraphQLError(originalError)) {
+    return originalError;
+  }
+
+  return new _GraphQLError.GraphQLError(originalError.message, {
+    nodes:
+      (_nodes = originalError.nodes) !== null && _nodes !== void 0
+        ? _nodes
+        : nodes,
+    source: originalError.source,
+    positions: originalError.positions,
+    path,
+    originalError,
+  });
+}
+
+function isLocatedGraphQLError(error) {
+  return Array.isArray(error.path);
+}