tangweijie
5099f2e87e
- Vue 3 + TypeScript + Element Plus 前端界面 - Pinia 状态管理 - Vue Router 4 路由管理 - Axios HTTP 客户端 - MSW (Mock Service Worker) 开发环境模拟 - 账户管理界面 (列表、详情、三科目余额展示) - 交易管理界面 (列表、详情) - 对账管理界面 (三账校验) - 完善的 API 客户端封装 - Docker 容器化配置 - Nginx 配置用于生产环境
37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
import { Kind } from '../language/kinds.mjs';
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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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export 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 === 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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