WIP - add extractor, generate snippet_data

node_modules/graphql/utilities/isValidJSValue.js.flow

@@ -0,0 +1,18 @@
+// @flow strict
+
+/* istanbul ignore file */
+import { coerceValue } from './coerceValue';
+import { type GraphQLInputType } from '../type/definition';
+
+/**
+ * Deprecated. Use coerceValue() directly for richer information.
+ *
+ * This function will be removed in v15
+ */
+export function isValidJSValue(
+  value: mixed,
+  type: GraphQLInputType,
+): Array<string> {
+  const errors = coerceValue(value, type).errors;
+  return errors ? errors.map(error => error.message) : [];
+}