@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
118 lines • 5.72 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.augmentObjectOrInterfaceTypeWithRelationshipField = augmentObjectOrInterfaceTypeWithRelationshipField;
exports.augmentObjectOrInterfaceTypeWithConnectionField = augmentObjectOrInterfaceTypeWithConnectionField;
/*
* 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.
*/
const graphql_1 = require("graphql");
const constants_1 = require("../../constants");
const InterfaceEntityAdapter_1 = require("../../schema-model/entity/model-adapters/InterfaceEntityAdapter");
const UnionEntityAdapter_1 = require("../../schema-model/entity/model-adapters/UnionEntityAdapter");
const RelationshipAdapter_1 = require("../../schema-model/relationship/model-adapters/RelationshipAdapter");
const pagination_1 = require("../pagination");
const to_compose_1 = require("../to-compose");
const connection_object_type_1 = require("./connection-object-type");
const connection_where_input_1 = require("./connection-where-input");
const sort_and_options_input_1 = require("./sort-and-options-input");
function augmentObjectOrInterfaceTypeWithRelationshipField({ relationshipAdapter, userDefinedFieldDirectives, subgraph, composer, features, }) {
const fields = {};
const relationshipField = {
type: relationshipAdapter.operations.getTargetTypePrettyName(),
description: relationshipAdapter.description,
directives: (0, to_compose_1.graphqlDirectivesToCompose)(userDefinedFieldDirectives.get(relationshipAdapter.name) || []),
};
let generateRelFieldArgs = true;
// Subgraph schemas do not support arguments on relationship fields (singular)
if (subgraph) {
if (!relationshipAdapter.isList) {
generateRelFieldArgs = false;
}
}
if (generateRelFieldArgs) {
const relationshipTarget = relationshipAdapter instanceof RelationshipAdapter_1.RelationshipAdapter && relationshipAdapter.originalTarget
? relationshipAdapter.originalTarget
: relationshipAdapter.target;
const whereTypeName = relationshipTarget.operations.whereInputTypeName;
const nodeFieldsArgs = {
where: whereTypeName,
limit: features?.limitRequired ? new graphql_1.GraphQLNonNull(graphql_1.GraphQLInt) : graphql_1.GraphQLInt,
offset: graphql_1.GraphQLInt,
};
if (!(relationshipTarget instanceof UnionEntityAdapter_1.UnionEntityAdapter)) {
const sortConfig = (0, sort_and_options_input_1.makeSortInput)({
entityAdapter: relationshipTarget,
userDefinedFieldDirectives: new Map(),
composer,
});
if (sortConfig) {
nodeFieldsArgs["sort"] = sortConfig.NonNull.List;
}
}
relationshipField.args = nodeFieldsArgs;
}
if (relationshipAdapter.isReadable()) {
fields[relationshipAdapter.name] = relationshipField;
}
return fields;
}
function augmentObjectOrInterfaceTypeWithConnectionField(relationshipAdapter, userDefinedFieldDirectives, schemaComposer, features) {
const fields = {};
const deprecatedDirectives = (0, to_compose_1.graphqlDirectivesToCompose)((userDefinedFieldDirectives.get(relationshipAdapter.name) || []).filter((directive) => directive.name.value === constants_1.DEPRECATED));
const composeNodeArgs = {
where: (0, connection_where_input_1.makeConnectionWhereInputType)({
relationshipAdapter,
composer: schemaComposer,
}),
first: {
type: features?.limitRequired ? new graphql_1.GraphQLNonNull(graphql_1.GraphQLInt) : graphql_1.GraphQLInt,
},
after: {
type: graphql_1.GraphQLString,
},
};
const connectionSortITC = (0, connection_where_input_1.withConnectionSortInputType)({
relationshipAdapter,
composer: schemaComposer,
});
if (connectionSortITC) {
composeNodeArgs.sort = connectionSortITC.NonNull.List;
}
const isTargetUnion = relationshipAdapter.target instanceof UnionEntityAdapter_1.UnionEntityAdapter;
const isSourceInterface = relationshipAdapter.source instanceof InterfaceEntityAdapter_1.InterfaceEntityAdapter;
if (relationshipAdapter.isReadable() || (relationshipAdapter.aggregate && !isTargetUnion && !isSourceInterface)) {
fields[relationshipAdapter.operations.connectionFieldName] = {
type: (0, connection_object_type_1.withConnectionObjectType)({
relationshipAdapter,
composer: schemaComposer,
}).NonNull,
args: composeNodeArgs,
directives: deprecatedDirectives,
resolve: (source, args, _ctx, info) => {
return (0, pagination_1.connectionFieldResolver)({
connectionFieldName: relationshipAdapter.operations.connectionFieldName,
args,
info,
source,
});
},
};
}
return fields;
}
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