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
42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
import { groupBy } from '../../jsutils/groupBy.mjs';
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import { GraphQLError } from '../../error/GraphQLError.mjs';
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/**
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* Unique variable names
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*
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* A GraphQL operation is only valid if all its variables are uniquely named.
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*/
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export function UniqueVariableNamesRule(context) {
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return {
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OperationDefinition(operationNode) {
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var _operationNode$variab;
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// See: https://github.com/graphql/graphql-js/issues/2203
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/* c8 ignore next */
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const variableDefinitions =
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(_operationNode$variab = operationNode.variableDefinitions) !== null &&
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_operationNode$variab !== void 0
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? _operationNode$variab
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: [];
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const seenVariableDefinitions = groupBy(
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variableDefinitions,
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(node) => node.variable.name.value,
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);
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for (const [variableName, variableNodes] of seenVariableDefinitions) {
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if (variableNodes.length > 1) {
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context.reportError(
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new GraphQLError(
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`There can be only one variable named "$${variableName}".`,
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{
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nodes: variableNodes.map((node) => node.variable.name),
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},
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),
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);
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}
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}
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},
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};
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}
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