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node_modules/graphql/error/locatedError.js.flow

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+// @flow strict
+
+import { type ASTNode } from '../language/ast';
+
+import { GraphQLError } from './GraphQLError';
+
+/**
+ * Given an arbitrary Error, 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.
+ */
+export function locatedError(
+  originalError: Error | GraphQLError,
+  nodes: $ReadOnlyArray<ASTNode>,
+  path: $ReadOnlyArray<string | number>,
+): GraphQLError {
+  // Note: this uses a brand-check to support GraphQL errors originating from
+  // other contexts.
+  if (originalError && Array.isArray(originalError.path)) {
+    return (originalError: any);
+  }
+
+  return new GraphQLError(
+    originalError && originalError.message,
+    (originalError && (originalError: any).nodes) || nodes,
+    originalError && (originalError: any).source,
+    originalError && (originalError: any).positions,
+    path,
+    originalError,
+  );
+}