| import { groupBy } from '../../jsutils/groupBy.mjs'; |
| import { GraphQLError } from '../../error/GraphQLError.mjs'; |
| |
| /** |
| * Unique argument definition names |
| * |
| * A GraphQL Object or Interface type is only valid if all its fields have uniquely named arguments. |
| * A GraphQL Directive is only valid if all its arguments are uniquely named. |
| */ |
| export function UniqueArgumentDefinitionNamesRule(context) { |
| return { |
| DirectiveDefinition(directiveNode) { |
| var _directiveNode$argume; |
| |
| // FIXME: https://github.com/graphql/graphql-js/issues/2203 |
| |
| /* c8 ignore next */ |
| const argumentNodes = |
| (_directiveNode$argume = directiveNode.arguments) !== null && |
| _directiveNode$argume !== void 0 |
| ? _directiveNode$argume |
| : []; |
| return checkArgUniqueness(`@${directiveNode.name.value}`, argumentNodes); |
| }, |
| |
| InterfaceTypeDefinition: checkArgUniquenessPerField, |
| InterfaceTypeExtension: checkArgUniquenessPerField, |
| ObjectTypeDefinition: checkArgUniquenessPerField, |
| ObjectTypeExtension: checkArgUniquenessPerField, |
| }; |
| |
| function checkArgUniquenessPerField(typeNode) { |
| var _typeNode$fields; |
| |
| const typeName = typeNode.name.value; // FIXME: https://github.com/graphql/graphql-js/issues/2203 |
| |
| /* c8 ignore next */ |
| |
| const fieldNodes = |
| (_typeNode$fields = typeNode.fields) !== null && |
| _typeNode$fields !== void 0 |
| ? _typeNode$fields |
| : []; |
| |
| for (const fieldDef of fieldNodes) { |
| var _fieldDef$arguments; |
| |
| const fieldName = fieldDef.name.value; // FIXME: https://github.com/graphql/graphql-js/issues/2203 |
| |
| /* c8 ignore next */ |
| |
| const argumentNodes = |
| (_fieldDef$arguments = fieldDef.arguments) !== null && |
| _fieldDef$arguments !== void 0 |
| ? _fieldDef$arguments |
| : []; |
| checkArgUniqueness(`${typeName}.${fieldName}`, argumentNodes); |
| } |
| |
| return false; |
| } |
| |
| function checkArgUniqueness(parentName, argumentNodes) { |
| const seenArgs = groupBy(argumentNodes, (arg) => arg.name.value); |
| |
| for (const [argName, argNodes] of seenArgs) { |
| if (argNodes.length > 1) { |
| context.reportError( |
| new GraphQLError( |
| `Argument "${parentName}(${argName}:)" can only be defined once.`, |
| { |
| nodes: argNodes.map((node) => node.name), |
| }, |
| ), |
| ); |
| } |
| } |
| |
| return false; |
| } |
| } |