41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.getOperationAST = getOperationAST;
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var _kinds = require("../language/kinds.js");
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/**
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* Returns an operation AST given a document AST and optionally an operation
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* name. If a name is not provided, an operation is only returned if only one is
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* provided in the document.
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*/
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function getOperationAST(documentAST, operationName) {
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var operation = null;
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for (var _i2 = 0, _documentAST$definiti2 = documentAST.definitions; _i2 < _documentAST$definiti2.length; _i2++) {
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var definition = _documentAST$definiti2[_i2];
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if (definition.kind === _kinds.Kind.OPERATION_DEFINITION) {
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var _definition$name;
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if (operationName == null) {
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// If no operation name was provided, only return an Operation if there
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// is one defined in the document. Upon encountering the second, return
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// null.
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if (operation) {
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return null;
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}
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operation = definition;
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} else if (((_definition$name = definition.name) === null || _definition$name === void 0 ? void 0 : _definition$name.value) === operationName) {
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return definition;
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}
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}
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}
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return operation;
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}
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