Initial commit

server/node_modules/graphql/utilities/assertValidName.mjs

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ *  strict
+ */
+import { GraphQLError } from '../error/GraphQLError';
+import invariant from '../jsutils/invariant';
+var NAME_RX = /^[_a-zA-Z][_a-zA-Z0-9]*$/;
+/**
+ * Upholds the spec rules about naming.
+ */
+
+export function assertValidName(name) {
+  var error = isValidNameError(name);
+
+  if (error) {
+    throw error;
+  }
+
+  return name;
+}
+/**
+ * Returns an Error if a name is invalid.
+ */
+
+export function isValidNameError(name, node) {
+  !(typeof name === 'string') ? invariant(0, 'Expected string') : void 0;
+
+  if (name.length > 1 && name[0] === '_' && name[1] === '_') {
+    return new GraphQLError("Name \"".concat(name, "\" must not begin with \"__\", which is reserved by ") + 'GraphQL introspection.', node);
+  }
+
+  if (!NAME_RX.test(name)) {
+    return new GraphQLError("Names must match /^[_a-zA-Z][_a-zA-Z0-9]*$/ but \"".concat(name, "\" does not."), node);
+  }
+}