port.on('message', (message) => {
if (message.type === LOAD_SCRIPT) {
const {
filename,
doEval,
workerData,
publicPort,
manifestSrc,
manifestURL,
hasStdin
} = message;
setupTraceCategoryState();
initializeReport();
if (manifestSrc) {
require('internal/process/policy').setup(manifestSrc, manifestURL);
}
initializeDeprecations();
initializeFrozenIntrinsics();
initializeESMLoader();
loadPreloadModules();
publicWorker.parentPort = publicPort;
publicWorker.workerData = workerData;
if (!hasStdin)
process.stdin.push(null);
debug(`[${threadId}] starts worker script ${filename} ` +
`(eval = ${eval}) at cwd = ${process.cwd()}`);
port.unref();
port.postMessage({ type: UP_AND_RUNNING });
if (doEval) {
const { evalScript } = require('internal/process/execution');
evalScript('[worker eval]', filename);
} else {
process.argv[1] = filename; // script filename
require('module').runMain();
}
return;
} else if (message.type === STDIO_PAYLOAD) {
const { stream, chunk, encoding } = message;
process[stream].push(chunk, encoding);
return;
} else if (message.type === STDIO_WANTS_MORE_DATA) {
const { stream } = message;
process[stream][kStdioWantsMoreDataCallback]();
return;
}
require('assert').fail(`Unknown worker message type ${message.type}`);
});
const {
initializeClusterIPC,
initializePolicy,
initializeESMLoader,
loadPreloadModules
} = require('internal/bootstrap/pre_execution');
const {
evalScript
} = require('internal/process/execution');
initializeClusterIPC();
initializePolicy();
initializeESMLoader();
loadPreloadModules();
const cliRepl = require('internal/repl');
cliRepl.createInternalRepl(process.env, (err, repl) => {
if (err) {
throw err;
}
repl.on('exit', () => {
if (repl._flushing) {
repl.pause();
return repl.once('flushHistory', () => {
process.exit();
});
}
process.exit();
});