onemon
Version:
Run a npm script as a deamon, once
96 lines • 3.88 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const exits = __importStar(require("exits"));
const runner_1 = __importDefault(require("./runner"));
const ipc_server_1 = require("./ipc-server");
const main = () => __awaiter(void 0, void 0, void 0, function* () {
let proc;
let clientCount = 0;
const [deamonPath, socketPath, waitDeamonReady, supportsColor] = process.argv.slice(2);
const forceColor = supportsColor === "TRUE" /* TRUE */;
const state = {
ready: waitDeamonReady === "FALSE" /* FALSE */
};
const server = new ipc_server_1.IPCServer({ socketPath });
server.on('connection', (clientId, socket) => {
if (state.ready) {
server.send(clientId, "DEAMON_READY" /* DEAMON_READY */, undefined);
}
socket.on('close', () => {
clientCount += -1;
if (clientCount <= 0) {
server.close();
}
});
clientCount += 1;
});
server.on(`message.${"CLOSE" /* CLOSE */}`, () => server.close());
server.on('close', () => {
if (proc !== undefined) {
proc.kill();
}
process.exit();
});
yield server.listen();
exits.attach();
exits.add(() => server.close());
if (process.send) {
process.send("SERVER_READY" /* SERVER_READY */);
}
setTimeout(() => {
if (clientCount === 0)
throw new Error('No one connected within the second.');
}, 1000);
proc = runner_1.default({ detached: true, stdio: 'pipe', }).fork(deamonPath, [], forceColor);
proc.on('message', message => {
if (message !== "DEAMON_READY" /* DEAMON_READY */) {
return;
}
state.ready = true;
server.broadcast("DEAMON_READY" /* DEAMON_READY */);
});
proc.on('exit', () => {
server.close();
});
if (proc.stderr) {
proc.stderr.on('data', chunk => server.broadcast("ERROR" /* ERROR */, chunk));
}
if (proc.stdout) {
proc.stdout.on('data', chunk => server.broadcast("PRINT" /* PRINT */, chunk));
}
});
if (require.main === module) {
main();
}
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