| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| exports.getOperationAST = getOperationAST; |
| |
| var _kinds = require("../language/kinds"); |
| |
| /** |
| * 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) { |
| var operation = null; |
| |
| for (var _i2 = 0, _documentAST$definiti2 = documentAST.definitions; _i2 < _documentAST$definiti2.length; _i2++) { |
| var definition = _documentAST$definiti2[_i2]; |
| |
| if (definition.kind === _kinds.Kind.OPERATION_DEFINITION) { |
| var _definition$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; |
| } |