type CodeModeToolContext = ToolSearchToolContext;

type CodeModeFailureCode = "invalid_input" | "runtime_unavailable" | "timeout" | "internal_error";

type CodeModeWorkerResult =

| {

status: "completed";

| {

status: "failed";

error: string;

code: "invalid_input" | "internal_error";

code: CodeModeFailureCode;

output: unknown[];

};

return resolveCodeModeWorkerUrl(import.meta.url);

}

function failedCodeModeWorkerResult(

error: unknown,

code: CodeModeFailureCode,

): Extract<CodeModeWorkerResult, { status: "failed" }> {

return {

status: "failed",

error: errorMessage(error),

code,

output: [],

};

}

async function runCodeModeWorker(

workerData: unknown,

timeoutMs: number,

workerUrl?: URL,

): Promise<CodeModeWorkerResult> {

const worker = new Worker(codeModeWorkerUrl(), {

workerData,

});

let worker: Worker;

try {

worker = new Worker(workerUrl ?? codeModeWorkerUrl(), {

workerData,

});

} catch (error) {

return failedCodeModeWorkerResult(error, "runtime_unavailable");

}

let timer: ReturnType<typeof setTimeout> | undefined;

try {

return await new Promise<CodeModeWorkerResult>((resolve) => {

finish({

status: "failed",

error: "code mode worker timeout exceeded",

code: "internal_error",

code: "timeout",

output: [],

});

}, timeoutMs);

);

});

worker.once("error", (error) => {

finish({

status: "failed",

error: errorMessage(error),

code: "internal_error",

output: [],

});

finish(failedCodeModeWorkerResult(error, "runtime_unavailable"));

});

worker.once("exit", (code) => {

if (code !== 0) {

finish({

status: "failed",

error: `code mode worker exited with code ${code}`,

code: "internal_error",

output: [],

});

finish(

failedCodeModeWorkerResult(

new Error(`code mode worker exited with code ${code}`),

"runtime_unavailable",

),

);

}

});

});

activeRuns,

resumingRunIds,

codeModeWorkerUrl,

runCodeModeWorker,

resolveCodeModeWorkerUrl,

resolveCodeModeConfig,

getTypescriptRuntimePromise: () => typescriptRuntimePromise,