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Merge pull request #604 from cliffhall/fix-startup

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fix startup of webclient through cli
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Cliff Hall 2025-07-10 15:42:55 -04:00 • committed by GitHub
commit 42a1bac6ed
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1 changed files with 7 additions and 49 deletions
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56
cli/src/cli.ts
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@ -50,28 +50,15 @@ function delay(ms: number): Promise<void> {
}
async function runWebClient(args: Args): Promise<void> {
const inspectorServerPath = resolve(
__dirname,
"../../",
"server",
"build",
"index.js",
);
// Path to the client entry point
const inspectorClientPath = resolve(
__dirname,
"../../",
"client",
"bin",
"client.js",
"start.js",
);
const CLIENT_PORT: string = process.env.CLIENT_PORT ?? "6274";
const SERVER_PORT: string = process.env.SERVER_PORT ?? "6277";
console.log("Starting MCP inspector...");
const abort = new AbortController();
let cancelled: boolean = false;
process.on("SIGINT", () => {
@ -79,42 +66,13 @@ async function runWebClient(args: Args): Promise<void> {
abort.abort();
});
let server: ReturnType<typeof spawnPromise>;
let serverOk: unknown;
try {
server = spawnPromise(
"node",
[
inspectorServerPath,
...(args.command ? [`--env`, args.command] : []),
...(args.args ? [`--args=${args.args.join(" ")}`] : []),
],
{
env: {
...process.env,
PORT: SERVER_PORT,
MCP_ENV_VARS: JSON.stringify(args.envArgs),
},
signal: abort.signal,
echoOutput: true,
},
);
// Make sure server started before starting client
serverOk = await Promise.race([server, delay(2 * 1000)]);
} catch (error) {}
if (serverOk) {
try {
await spawnPromise("node", [inspectorClientPath], {
env: { ...process.env, PORT: CLIENT_PORT },
signal: abort.signal,
echoOutput: true,
});
} catch (e) {
if (!cancelled || process.env.DEBUG) throw e;
}
await spawnPromise("node", [inspectorClientPath], {
signal: abort.signal,
echoOutput: true,
});
} catch (e) {
if (!cancelled || process.env.DEBUG) throw e;
}
}