@graphql-tools/merge
Version:
A set of utils for faster development of GraphQL tools
55 lines (54 loc) • 2.39 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractExtensionsFromSchema = void 0;
exports.mergeExtensions = mergeExtensions;
exports.applyExtensions = applyExtensions;
const utils_1 = require("@graphql-tools/utils");
var utils_2 = require("@graphql-tools/utils");
Object.defineProperty(exports, "extractExtensionsFromSchema", { enumerable: true, get: function () { return utils_2.extractExtensionsFromSchema; } });
function mergeExtensions(extensions) {
return (0, utils_1.mergeDeep)(extensions, false, true);
}
function applyExtensionObject(obj, extensions) {
if (!obj || !extensions || extensions === obj.extensions) {
return;
}
if (!obj.extensions) {
obj.extensions = extensions;
return;
}
obj.extensions = (0, utils_1.mergeDeep)([obj.extensions, extensions], false, true);
}
function applyExtensions(schema, extensions) {
applyExtensionObject(schema, extensions.schemaExtensions);
for (const [typeName, data] of Object.entries(extensions.types || {})) {
const type = schema.getType(typeName);
if (type) {
applyExtensionObject(type, data.extensions);
if (data.type === 'object' || data.type === 'interface') {
for (const [fieldName, fieldData] of Object.entries(data.fields)) {
const field = type.getFields()[fieldName];
if (field) {
applyExtensionObject(field, fieldData.extensions);
for (const [arg, argData] of Object.entries(fieldData.arguments)) {
applyExtensionObject(field.args.find(a => a.name === arg), argData);
}
}
}
}
else if (data.type === 'input') {
for (const [fieldName, fieldData] of Object.entries(data.fields)) {
const field = type.getFields()[fieldName];
applyExtensionObject(field, fieldData.extensions);
}
}
else if (data.type === 'enum') {
for (const [valueName, valueData] of Object.entries(data.values)) {
const value = type.getValue(valueName);
applyExtensionObject(value, valueData);
}
}
}
}
return schema;
}