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43 lines
1.1 KiB
43 lines
1.1 KiB
'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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let operation = null; |
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for (const definition of documentAST.definitions) { |
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if (definition.kind === _kinds.Kind.OPERATION_DEFINITION) { |
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var _definition$name; |
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if (operationName == null) { |
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// If no operation name was provided, only return an Operation if there |
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// is one defined in the document. Upon encountering the second, return |
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// null. |
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if (operation) { |
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return null; |
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} |
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operation = definition; |
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} else if ( |
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((_definition$name = definition.name) === null || |
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_definition$name === void 0 |
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? void 0 |
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: _definition$name.value) === operationName |
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) { |
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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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