@apollo/server
Version:
Core engine for Apollo GraphQL server
82 lines • 3.56 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.startStandaloneServer = startStandaloneServer;
const cors_1 = __importDefault(require("cors"));
const body_parser_1 = __importDefault(require("body-parser"));
const http_1 = __importDefault(require("http"));
const url_1 = require("url");
const index_js_1 = require("../plugin/drainHttpServer/index.js");
const urlForHttpServer_js_1 = require("../utils/urlForHttpServer.js");
const HeaderMap_js_1 = require("../utils/HeaderMap.js");
const finalhandler_1 = __importDefault(require("finalhandler"));
async function startStandaloneServer(server, options) {
const context = options?.context ?? (async () => ({}));
const corsHandler = (0, cors_1.default)();
const jsonHandler = body_parser_1.default.json({ limit: '50mb' });
const httpServer = http_1.default.createServer((req, res) => {
const errorHandler = (0, finalhandler_1.default)(req, res, {
onerror(err) {
if (process.env.NODE_ENV !== 'test') {
console.error(err.stack || err.toString());
}
},
});
corsHandler(req, res, (err) => {
if (err) {
errorHandler(err);
return;
}
jsonHandler(req, res, (err) => {
if (err) {
errorHandler(err);
return;
}
const headers = new HeaderMap_js_1.HeaderMap();
for (const [key, value] of Object.entries(req.headers)) {
if (value !== undefined) {
headers.set(key, Array.isArray(value) ? value.join(', ') : value);
}
}
const httpGraphQLRequest = {
method: req.method.toUpperCase(),
headers,
search: (0, url_1.parse)(req.url).search ?? '',
body: 'body' in req ? req.body : undefined,
};
server
.executeHTTPGraphQLRequest({
httpGraphQLRequest,
context: () => context({ req, res }),
})
.then(async (httpGraphQLResponse) => {
for (const [key, value] of httpGraphQLResponse.headers) {
res.setHeader(key, value);
}
res.statusCode = httpGraphQLResponse.status || 200;
if (httpGraphQLResponse.body.kind === 'complete') {
res.end(httpGraphQLResponse.body.string);
return;
}
for await (const chunk of httpGraphQLResponse.body.asyncIterator) {
res.write(chunk);
}
res.end();
})
.catch((err) => {
errorHandler(err);
});
});
});
});
server.addPlugin((0, index_js_1.ApolloServerPluginDrainHttpServer)({ httpServer: httpServer }));
await server.start();
const listenOptions = options?.listen ?? { port: 4000 };
await new Promise((resolve) => {
httpServer.listen(listenOptions, resolve);
});
return { url: (0, urlForHttpServer_js_1.urlForHttpServer)(httpServer) };
}
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