@atomist/automation-client/bin/start-dev.js

#!/usr/bin/env node
"use strict";
/*
 * Copyright © 2018 Atomist, Inc.
 *
 * See LICENSE file.
 */
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());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
// tslint:disable-next-line:no-import-side-effect
require("source-map-support/register");
const appRoot = require("app-root-path");
const _ = require("lodash");
const path = require("path");
const error_1 = require("../lib/util/error");
function main() {
    return __awaiter(this, void 0, void 0, function* () {
        try {
            const logging = require("../lib/util/logger");
            logging.configureLogging(logging.ClientLogging);
            let cfg = yield require("../lib/configuration").loadConfiguration();
            cfg = require("../lib/scan").enableDefaultScanning(cfg);
            cfg.logging.banner.contributors.push(require("../lib/internal/transport/showStartupMessages").DevModeBannerContributor);
            const automationClient = require("../lib/automationClient").automationClient(cfg);
            yield automationClient.run();
            const registration = prepareRegistration(cfg);
            const chokidar = require("chokidar");
            const watcher = chokidar.watch(["index.js", "lib/*.js", "lib/**/*.js"], { ignored: "\.ts" });
            const indexPath = path.join(appRoot.path, "index.js");
            const libPath = path.join(appRoot.path, "lib");
            const logger = logging.logger;
            watcher.on("ready", () => {
                watcher.on("all", (e, path) => __awaiter(this, void 0, void 0, function* () {
                    const start = Date.now();
                    logger.warn("Change to '%s' file detected. Attempting reload...", path);
                    Object.keys(require.cache).forEach(id => {
                        if (id.startsWith(indexPath) || id.startsWith(libPath)) {
                            delete require.cache[id];
                        }
                    });
                    try {
                        let newCfg = yield require("../lib/configuration").loadConfiguration();
                        newCfg = require("../lib/scan").enableDefaultScanning(newCfg);
                        diffRegistration(prepareRegistration(newCfg), registration);
                        // Clean out previous handlers and install new ones
                        automationClient.automationServer.commandHandlers = [];
                        newCfg.commands.forEach(c => automationClient.withCommandHandler(c));
                        automationClient.automationServer.eventHandlers = [];
                        newCfg.events.forEach(e => automationClient.withEventHandler(e));
                        // Now drop reference to previous configuration
                        automationClient.configuration = newCfg;
                        // Clean out the startup banner listeners
                        if (automationClient.defaultListeners.length > 2) {
                            automationClient.defaultListeners.splice(2);
                        }
                        yield automationClient.raiseStartupEvent();
                        logger.warn(`Reload successful in ${((Date.now() - start) / 1000).toFixed(2)}s`);
                    }
                    catch (e) {
                        logger.error("Reload failed");
                        error_1.printError(e);
                    }
                }));
            });
        }
        catch (e) {
            error_1.printError(e);
            process.exit(5);
        }
    });
}
function prepareRegistration(configuration) {
    const automations = new (require("../lib/server/BuildableAutomationServer").BuildableAutomationServer)(configuration);
    (configuration.commands || []).forEach(c => automations.registerCommandHandler(c));
    (configuration.events || []).forEach(e => automations.registerEventHandler(e));
    (configuration.ingesters || []).forEach(i => automations.registerIngester(i));
    return require("../lib/internal/transport/websocket/payloads")
        .prepareRegistration(automations.automations, {}, configuration.metadata);
}
function diffRegistration(newReg, oldReg) {
    if (!_.isEqual(newReg, oldReg)) {
        const jsonDiff = require("json-diff");
        const logging = require("../lib/util/logger");
        logging.logger.error(`Unable to reload. Incompatible changes to registration metadata detected:
${jsonDiff.diffString(newReg, oldReg).trim()}`);
        logging.logger.error("Exiting...");
        process.exit(15);
    }
}
main()
    .catch(e => {
    console.error(`Unhandled exception: ${e.message}`);
    process.exit(10);
});
//# sourceMappingURL=start-dev.js.map