@nestjs/graphql
Version:
Nest - modern, fast, powerful node.js web framework (@graphql)
90 lines (89 loc) • 4.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLSchemaBuilder = void 0;
const tslib_1 = require("tslib");
const common_1 = require("@nestjs/common");
const load_package_util_1 = require("@nestjs/common/utils/load-package.util");
const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
const graphql_1 = require("graphql");
const path_1 = require("path");
const graphql_constants_1 = require("./graphql.constants");
const graphql_schema_factory_1 = require("./schema-builder/graphql-schema.factory");
const file_system_helper_1 = require("./schema-builder/helpers/file-system.helper");
const services_1 = require("./services");
let GraphQLSchemaBuilder = class GraphQLSchemaBuilder {
constructor(scalarsExplorerService, gqlSchemaFactory, fileSystemHelper) {
this.scalarsExplorerService = scalarsExplorerService;
this.gqlSchemaFactory = gqlSchemaFactory;
this.fileSystemHelper = fileSystemHelper;
}
async build(autoSchemaFile, options, resolvers) {
const scalarsMap = this.scalarsExplorerService.getScalarsMap();
try {
const buildSchemaOptions = options.buildSchemaOptions || {};
return await this.buildSchema(resolvers, autoSchemaFile, {
...buildSchemaOptions,
scalarsMap,
schemaDirectives: options.schemaDirectives,
schemaTransforms: options.schemaTransforms,
}, options.sortSchema, options.transformAutoSchemaFile && options.transformSchema);
}
catch (err) {
if (err && err.details) {
console.error(err.details);
}
throw err;
}
}
async buildFederatedSchema(autoSchemaFile, options, resolvers) {
const scalarsMap = this.scalarsExplorerService.getScalarsMap();
try {
const buildSchemaOptions = options.buildSchemaOptions || {};
return await this.buildSchema(resolvers, autoSchemaFile, {
...buildSchemaOptions,
directives: [
...graphql_1.specifiedDirectives,
...this.loadFederationDirectives(),
...((buildSchemaOptions && buildSchemaOptions.directives) || []),
],
scalarsMap,
schemaDirectives: options.schemaDirectives,
skipCheck: true,
}, options.sortSchema, options.transformAutoSchemaFile && options.transformSchema);
}
catch (err) {
if (err && err.details) {
console.error(err.details);
}
throw err;
}
}
async buildSchema(resolvers, autoSchemaFile, options = {}, sortSchema, transformSchema) {
const schema = await this.gqlSchemaFactory.create(resolvers, options);
if (typeof autoSchemaFile !== 'boolean') {
const filename = (0, shared_utils_1.isString)(autoSchemaFile)
? autoSchemaFile
: (0, path_1.resolve)(process.cwd(), 'schema.gql');
const transformedSchema = transformSchema
? await transformSchema(schema)
: schema;
const fileContent = graphql_constants_1.GRAPHQL_SDL_FILE_HEADER +
(0, graphql_1.printSchema)(sortSchema
? (0, graphql_1.lexicographicSortSchema)(transformedSchema)
: transformedSchema);
await this.fileSystemHelper.writeFile(filename, fileContent);
}
return schema;
}
loadFederationDirectives() {
const { federationDirectives } = (0, load_package_util_1.loadPackage)('@apollo/federation/dist/directives', 'SchemaBuilder', () => require('@apollo/federation/dist/directives'));
return federationDirectives;
}
};
GraphQLSchemaBuilder = (0, tslib_1.__decorate)([
(0, common_1.Injectable)(),
(0, tslib_1.__metadata)("design:paramtypes", [services_1.ScalarsExplorerService,
graphql_schema_factory_1.GraphQLSchemaFactory,
file_system_helper_1.FileSystemHelper])
], GraphQLSchemaBuilder);
exports.GraphQLSchemaBuilder = GraphQLSchemaBuilder;