| 'use strict'; |
| |
| Object.defineProperty(exports, '__esModule', { |
| value: true, |
| }); |
| exports.FragmentsOnCompositeTypesRule = FragmentsOnCompositeTypesRule; |
| |
| var _GraphQLError = require('../../error/GraphQLError.js'); |
| |
| var _printer = require('../../language/printer.js'); |
| |
| var _definition = require('../../type/definition.js'); |
| |
| var _typeFromAST = require('../../utilities/typeFromAST.js'); |
| |
| /** |
| * Fragments on composite type |
| * |
| * Fragments use a type condition to determine if they apply, since fragments |
| * can only be spread into a composite type (object, interface, or union), the |
| * type condition must also be a composite type. |
| * |
| * See https://spec.graphql.org/draft/#sec-Fragments-On-Composite-Types |
| */ |
| function FragmentsOnCompositeTypesRule(context) { |
| return { |
| InlineFragment(node) { |
| const typeCondition = node.typeCondition; |
| |
| if (typeCondition) { |
| const type = (0, _typeFromAST.typeFromAST)( |
| context.getSchema(), |
| typeCondition, |
| ); |
| |
| if (type && !(0, _definition.isCompositeType)(type)) { |
| const typeStr = (0, _printer.print)(typeCondition); |
| context.reportError( |
| new _GraphQLError.GraphQLError( |
| `Fragment cannot condition on non composite type "${typeStr}".`, |
| { |
| nodes: typeCondition, |
| }, |
| ), |
| ); |
| } |
| } |
| }, |
| |
| FragmentDefinition(node) { |
| const type = (0, _typeFromAST.typeFromAST)( |
| context.getSchema(), |
| node.typeCondition, |
| ); |
| |
| if (type && !(0, _definition.isCompositeType)(type)) { |
| const typeStr = (0, _printer.print)(node.typeCondition); |
| context.reportError( |
| new _GraphQLError.GraphQLError( |
| `Fragment "${node.name.value}" cannot condition on non composite type "${typeStr}".`, |
| { |
| nodes: node.typeCondition, |
| }, |
| ), |
| ); |
| } |
| }, |
| }; |
| } |