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55 lines
1.3 KiB
55 lines
1.3 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.UniqueArgumentNamesRule = UniqueArgumentNamesRule; |
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var _groupBy = require('../../jsutils/groupBy.js'); |
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var _GraphQLError = require('../../error/GraphQLError.js'); |
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/** |
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* Unique argument names |
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* |
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* A GraphQL field or directive is only valid if all supplied arguments are |
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* uniquely named. |
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* |
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* See https://spec.graphql.org/draft/#sec-Argument-Names |
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*/ |
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function UniqueArgumentNamesRule(context) { |
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return { |
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Field: checkArgUniqueness, |
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Directive: checkArgUniqueness, |
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}; |
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function checkArgUniqueness(parentNode) { |
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var _parentNode$arguments; |
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// FIXME: https://github.com/graphql/graphql-js/issues/2203 |
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/* c8 ignore next */ |
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const argumentNodes = |
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(_parentNode$arguments = parentNode.arguments) !== null && |
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_parentNode$arguments !== void 0 |
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? _parentNode$arguments |
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: []; |
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const seenArgs = (0, _groupBy.groupBy)( |
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argumentNodes, |
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(arg) => arg.name.value, |
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); |
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for (const [argName, argNodes] of seenArgs) { |
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if (argNodes.length > 1) { |
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context.reportError( |
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new _GraphQLError.GraphQLError( |
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`There can be only one argument named "${argName}".`, |
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{ |
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nodes: argNodes.map((node) => node.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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