angular-cli/commands/serve.run.js

CLI tool for Angular

"use strict";
var denodeify = require('denodeify');
var assign = require('lodash/assign');
var SilentError = require('silent-error');
var PortFinder = require('portfinder');
var serve_1 = require('../tasks/serve');
var version_1 = require('../upgrade/version');
PortFinder.basePort = 49152;
var getPort = denodeify(PortFinder.getPort);
function serveRun(commandOptions) {
    var _this = this;
    // Check angular version.
    version_1.Version.assertAngularVersionIs2_3_1OrHigher(this.project.root);
    commandOptions.liveReloadHost = commandOptions.liveReloadHost || commandOptions.host;
    return checkExpressPort(commandOptions)
        .then(function () { return autoFindLiveReloadPort(commandOptions); })
        .then(function (opts) {
        var serve = new serve_1.default({
            ui: _this.ui,
            project: _this.project,
        });
        return serve.run(opts);
    });
}
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = serveRun;
function checkExpressPort(commandOptions) {
    return getPort({ port: commandOptions.port, host: commandOptions.host })
        .then(function (foundPort) {
        if (commandOptions.port !== foundPort && commandOptions.port !== 0) {
            throw new SilentError("Port " + commandOptions.port + " is already in use. Use '--port' to specify a different port.");
        }
        // otherwise, our found port is good
        commandOptions.port = foundPort;
        return commandOptions;
    });
}
function autoFindLiveReloadPort(commandOptions) {
    return getPort({ port: commandOptions.liveReloadPort, host: commandOptions.liveReloadHost })
        .then(function (foundPort) {
        // if live reload port matches express port, try one higher
        if (foundPort === commandOptions.port) {
            commandOptions.liveReloadPort = foundPort + 1;
            return autoFindLiveReloadPort(commandOptions);
        }
        // port was already open
        if (foundPort === commandOptions.liveReloadPort) {
            return commandOptions;
        }
        // use found port as live reload port
        commandOptions.liveReloadPort = foundPort;
        return commandOptions;
    });
}
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