@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
72 lines • 3.76 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.directiveEnricher = directiveEnricher;
/*
* 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 utils_1 = require("./utils");
// Enriches the applied directives on objects, interfaces and fields
function directiveEnricher(enricherContext, directiveName, transformFn) {
return (accumulatedDefinitions, definition) => {
switch (definition.kind) {
case graphql_1.Kind.INTERFACE_TYPE_DEFINITION:
case graphql_1.Kind.OBJECT_TYPE_DEFINITION: {
const typeName = definition.name.value;
const userDocumentObject = enricherContext.userDefinitionNodeMap[typeName];
const userDocumentExtensions = enricherContext.userDefinitionNodeMap[`${typeName}_EXTENSIONS`];
if (userDocumentObject) {
let definitionWithEnrichedDirective = (0, utils_1.containsDirective)(userDocumentObject, directiveName)
? changeDirectiveOnObject(definition, userDocumentObject, directiveName, transformFn)
: definition;
if (userDocumentExtensions) {
definitionWithEnrichedDirective = userDocumentExtensions.reduce((prev, curr) => {
return (0, utils_1.containsDirective)(curr, directiveName)
? changeDirectiveOnObject(prev, curr, directiveName, transformFn)
: prev;
}, definitionWithEnrichedDirective);
}
accumulatedDefinitions.push(definitionWithEnrichedDirective);
return accumulatedDefinitions;
}
}
}
accumulatedDefinitions.push(definition);
return accumulatedDefinitions;
};
}
function changeDirectiveOnObject(object, userDocumentObject, directiveName, transformFn) {
const userDirective = (0, utils_1.getDirectiveDefinition)(userDocumentObject, directiveName);
const fieldsWithNewDirective = object.fields?.map((field) => changeDirectiveOnField(field, userDocumentObject, directiveName, transformFn));
const newDirectiveDirective = userDirective && transformFn(userDirective, object.name.value);
return {
...object,
directives: newDirectiveDirective ? (object.directives ?? []).concat(newDirectiveDirective) : object.directives,
fields: fieldsWithNewDirective,
};
}
function changeDirectiveOnField(field, userDocumentObject, directiveName, transformFn) {
const userField = userDocumentObject.fields?.find((userDefinitionField) => field.name.value === userDefinitionField.name.value);
const userFieldDirective = userField && (0, utils_1.getDirectiveDefinition)(userField, directiveName);
if (!userFieldDirective) {
return field;
}
const fieldDirective = transformFn(userFieldDirective, userDocumentObject.name.value);
return { ...field, directives: (field.directives ?? []).concat(fieldDirective) };
}
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