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- import { Kind } from "../language/kinds.mjs";
- /**
- * 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.
- */
- export function getOperationAST(documentAST, operationName) {
- var operation = null;
- for (var _i2 = 0, _documentAST$definiti2 = documentAST.definitions; _i2 < _documentAST$definiti2.length; _i2++) {
- var definition = _documentAST$definiti2[_i2];
- if (definition.kind === Kind.OPERATION_DEFINITION) {
- var _definition$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;
- }
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