initial update

node_modules/graphql/utilities/getOperationAST.js

@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.getOperationAST = getOperationAST;
+
+var _kinds = require('../language/kinds.js');
+
+/**
+ * Returns an operation AST given a document AST and optionally an operation
+ * name. If a name is not provided, an operation is only returned if only one is
+ * provided in the document.
+ */
+function getOperationAST(documentAST, operationName) {
+  let operation = null;
+
+  for (const definition of documentAST.definitions) {
+    if (definition.kind === _kinds.Kind.OPERATION_DEFINITION) {
+      var _definition$name;
+
+      if (operationName == null) {
+        // If no operation name was provided, only return an Operation if there
+        // is one defined in the document. Upon encountering the second, return
+        // null.
+        if (operation) {
+          return null;
+        }
+
+        operation = definition;
+      } else if (
+        ((_definition$name = definition.name) === null ||
+        _definition$name === void 0
+          ? void 0
+          : _definition$name.value) === operationName
+      ) {
+        return definition;
+      }
+    }
+  }
+
+  return operation;
+}