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
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
import { invariant } from '../../jsutils/invariant.mjs';
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import { GraphQLError } from '../../error/GraphQLError.mjs';
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/**
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* Unique input field names
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*
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* A GraphQL input object value is only valid if all supplied fields are
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* uniquely named.
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*
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* See https://spec.graphql.org/draft/#sec-Input-Object-Field-Uniqueness
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*/
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export function UniqueInputFieldNamesRule(context) {
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const knownNameStack = [];
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let knownNames = Object.create(null);
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return {
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ObjectValue: {
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enter() {
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knownNameStack.push(knownNames);
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knownNames = Object.create(null);
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},
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leave() {
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const prevKnownNames = knownNameStack.pop();
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prevKnownNames || invariant(false);
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knownNames = prevKnownNames;
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},
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},
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ObjectField(node) {
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const fieldName = node.name.value;
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if (knownNames[fieldName]) {
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context.reportError(
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new GraphQLError(
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`There can be only one input field named "${fieldName}".`,
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{
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nodes: [knownNames[fieldName], node.name],
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},
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),
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);
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} else {
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knownNames[fieldName] = node.name;
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}
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},
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};
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}
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