@nofrills/console/lib/Console.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const events_1 = require("events");
const Logger_1 = require("./Logger");
class Console extends events_1.EventEmitter {
    constructor(options, exe, args) {
        super();
        this.options = options;
        this.exe = exe;
        this.args = args;
        this.logger = Logger_1.Logger;
        this.shutdown = (resolve, reject, reason) => __awaiter(this, void 0, void 0, function* () {
            this.logger.info('SHUTDOWN', `(${process.pid}::${process.exitCode}::${reason})`);
            if (process.exitCode === 0) {
                reject(reason);
            }
            resolve();
        });
    }
    start() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.instance === undefined) {
                this.logger.info(`starting "${this.exe}":`, ...this.args);
                return (this.instance = new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
                    process.on('uncaughtException', () => this.shutdown(resolve, reject, 'uncaught-exception'));
                    process.on('exit', () => this.shutdown(resolve, reject, 'exit'));
                    if (this.options.initializer) {
                        yield this.options.initializer(this);
                    }
                })));
            }
            return this.instance;
        });
    }
    stop() {
        process.exit(0);
    }
}
exports.Console = Console;
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