@graphql-mesh/http
Version:
99 lines (98 loc) • 4.71 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createMeshHTTPHandler = createMeshHTTPHandler;
const cross_helpers_1 = require("@graphql-mesh/cross-helpers");
const utils_1 = require("@graphql-mesh/utils");
const server_1 = require("@whatwg-node/server");
const graphqlHandler_js_1 = require("./graphqlHandler.js");
function createMeshHTTPHandler({ baseDir, getBuiltMesh, rawServeConfig = {}, playgroundTitle, }) {
let readyFlag = false;
let logger = new utils_1.DefaultLogger('Mesh HTTP');
const { cors: corsConfig, staticFiles, playground: playgroundEnabled = cross_helpers_1.process.env.NODE_ENV !== 'production', endpoint: graphqlPath = '/graphql', batchingLimit, healthCheckEndpoint = '/healthcheck',
// TODO
// trustProxy = 'loopback',
extraParamNames, } = rawServeConfig;
getBuiltMesh()
.then(mesh => {
readyFlag = true;
logger = mesh.logger.child('HTTP');
})
.catch(err => {
logger.error(err);
});
return (0, server_1.createServerAdapter)((0, graphqlHandler_js_1.graphqlHandler)({
getBuiltMesh,
playgroundTitle,
playgroundEnabled,
graphqlEndpoint: graphqlPath,
corsConfig,
batchingLimit,
extraParamNames,
}), {
plugins: [
{
onRequest({ request, url, endResponse }) {
switch (url.pathname) {
case healthCheckEndpoint:
endResponse(new server_1.Response(null, {
status: 200,
}));
return;
case '/readiness':
endResponse(new server_1.Response(null, {
status: readyFlag ? 204 : 503,
}));
return;
}
if (staticFiles && request.method === 'GET') {
let relativePath = url.pathname;
if (relativePath === '/' || !relativePath) {
relativePath = 'index.html';
}
const absoluteStaticFilesPath = cross_helpers_1.path.join(baseDir, staticFiles);
const absolutePath = cross_helpers_1.path.join(absoluteStaticFilesPath, relativePath);
if (absolutePath.startsWith(absoluteStaticFilesPath)) {
return (0, utils_1.pathExists)(absolutePath).then(exists => {
if (exists) {
const readStream = cross_helpers_1.fs.createReadStream(absolutePath);
endResponse(new server_1.Response(readStream, {
status: 200,
}));
}
});
}
}
else if (graphqlPath !== '/' && url.pathname === '/') {
endResponse(new server_1.Response(null, {
status: 302,
headers: {
Location: graphqlPath,
},
}));
// eslint-disable-next-line no-useless-return
return;
}
(0, utils_1.withCookies)(request);
if (readyFlag) {
return getBuiltMesh().then(async (mesh) => {
for (const eventName of mesh.pubsub.getEventNames()) {
if (eventName === `webhook:${request.method.toLowerCase()}:${url.pathname}`) {
const body = await request.text();
logger.debug(`Received webhook request for ${url.pathname}`, body);
mesh.pubsub.publish(eventName, request.headers.get('content-type') === 'application/json'
? JSON.parse(body)
: body);
endResponse(new server_1.Response(null, {
status: 204,
statusText: 'OK',
}));
return;
}
}
});
}
},
},
],
});
}