@neo4j/graphql
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A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
99 lines • 5.39 kB
JavaScript
;
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.validateCoalesceDirective = validateCoalesceDirective;
const graphql_1 = require("graphql");
const constants_1 = require("../../../../constants");
const directives_1 = require("../../../../graphql/directives");
const document_validation_error_1 = require("../utils/document-validation-error");
const is_in_node_type_1 = require("../utils/location-helpers/is-in-node-type");
const is_in_relationship_properties_type_1 = require("../utils/location-helpers/is-in-relationship-properties-type");
const path_parser_1 = require("../utils/path-parser");
const same_type_argument_as_field_1 = require("../utils/same-type-argument-as-field");
function validateCoalesceDirective(context) {
const typeMapWithExtensions = context.typeMapWithExtensions;
if (!typeMapWithExtensions) {
throw new Error("No typeMapWithExtensions found in the context");
}
const enumsTypes = Object.values(typeMapWithExtensions)
.map((type) => type.definition)
.filter((definition) => definition.kind === graphql_1.Kind.ENUM_TYPE_DEFINITION);
return {
FieldDefinition(fieldDefinitionNode, _key, _parent, path, ancestors) {
const coalesce = fieldDefinitionNode.directives?.find((directive) => directive.name.value === directives_1.coalesceDirective.name);
if (!coalesce) {
return;
}
const valueArg = coalesce.arguments?.find((arg) => arg.name.value === "value");
if (!valueArg) {
return;
}
const isValidLocation = (0, is_in_node_type_1.fieldIsInNodeType)({ path, ancestors, typeMapWithExtensions }) ||
(0, is_in_relationship_properties_type_1.fieldIsInRelationshipPropertiesType)({ path, ancestors, typeMapWithExtensions });
const { isValid, errorMsg, errorPath } = (0, document_validation_error_1.assertValid)(() => {
if (!isValidLocation) {
throw new document_validation_error_1.DocumentValidationError(`Directive @"${directives_1.coalesceDirective.name}" requires in a type with "@node" or within the "@relationshipProperties" directive`, []);
}
assertTypeIsSupportedByCoalesce(fieldDefinitionNode.type, typeMapWithExtensions);
// for compatibility with previous helper we generate the enumTypes here, but it can be passed the typeMap instead.
(0, same_type_argument_as_field_1.assertArgumentHasSameTypeAsField)({
directiveName: directives_1.coalesceDirective.name,
traversedDef: fieldDefinitionNode,
argument: valueArg,
enums: enumsTypes,
});
});
if (!isValid) {
const pathToNode = (0, path_parser_1.getPathToNode)(path, ancestors);
context.reportError((0, document_validation_error_1.createGraphQLError)({
nodes: [fieldDefinitionNode],
path: [...pathToNode[0], `@${directives_1.coalesceDirective.name}`, ...errorPath],
errorMsg,
}));
}
},
};
}
function assertTypeIsSupportedByCoalesce(typeNode, typeMapWithExtensions) {
if (typeNode.kind === graphql_1.Kind.LIST_TYPE) {
assertTypeIsSupportedByCoalesce(typeNode.type, typeMapWithExtensions);
}
if (typeNode.kind === graphql_1.Kind.NON_NULL_TYPE) {
assertTypeIsSupportedByCoalesce(typeNode.type, typeMapWithExtensions);
}
if (typeNode.kind === graphql_1.Kind.NAMED_TYPE) {
if (constants_1.GRAPHQL_BUILTIN_SCALAR_TYPES.includes(typeNode.name.value)) {
return;
}
if (constants_1.SPATIAL_TYPES.includes(typeNode.name.value)) {
throw new document_validation_error_1.DocumentValidationError(`@${directives_1.coalesceDirective.name} is not supported by Spatial types.`, []);
}
if (constants_1.TEMPORAL_SCALAR_TYPES.includes(typeNode.name.value)) {
throw new document_validation_error_1.DocumentValidationError(`@${directives_1.coalesceDirective.name} is not supported by Temporal types.`, []);
}
// check if the type is an enum
const typeFromMap = typeMapWithExtensions[typeNode.name.value];
if (typeFromMap?.definition.kind === graphql_1.Kind.ENUM_TYPE_DEFINITION) {
return;
}
throw new document_validation_error_1.DocumentValidationError(`@${directives_1.coalesceDirective.name} directive can only be used on types: Int | Float | String | Boolean | ID | Enum`, []);
}
}
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