@hkvstore/taco-cli/cli/liveReload.js

taco-cli is a command-line interface for rapid Apache Cordova development (forked from Microsoft taco-cli)

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for details.
/// <reference path="../../typings/tacoUtils.d.ts" />
/// <reference path="../../typings/node.d.ts" />
/// <reference path="../../typings/nopt.d.ts" />
/// <reference path="../../typings/tacoLiveReload.d.ts" />
"use strict";
var Q = require("q");
var tacoUtility = require("taco-utils");
var liveReload = require("taco-livereload");
var Logger = tacoUtility.Logger;
var ProjectHelper = tacoUtility.ProjectHelper;
var CordovaHelper = tacoUtility.CordovaHelper;
/**
 * Run
 *
 * handles "taco run"
 */
var LiveReload = (function () {
    function LiveReload() {
    }
    LiveReload.hookLiveReload = function (options, platforms) {
        Logger.log("Setting up livereload ...");
        var projectRoot = ProjectHelper.getProjectRoot();
        return LiveReload.getTargetPlatforms(projectRoot, platforms)
            .then(function (targetPlatforms) {
            return CordovaHelper.tryInvokeCordova(function (cordova) {
                var startOptions = {
                    ghostMode: !!options.devicesync,
                    tunnel: !!options.tunnel,
                    ignore: options.ignore,
                    cb: function (event, file, lrHandle) {
                        // After a file changes, first run `cordova prepare`, then reload.
                        return cordova.raw.prepare().then(function () {
                            var patcher = new liveReload.Patcher(projectRoot, targetPlatforms);
                            return patcher.removeCSP();
                        }).then(function () {
                            if (event === 'change') {
                                return lrHandle.tryReloadingFile(file);
                            }
                            // If new files got added or deleted, reload the whole app instead of specific files only
                            // e.g: index.html references a logo file 'img/logo.png'
                            // deleting the 'img/logo.png' file will trigger a reload that will remove it from the rendered app
                            // likewise, adding the 'img/logo.png' file will trigger it to be shown on the app
                            return lrHandle.reloadBrowsers();
                        }).fail(function (err) {
                            var msg = ' - An error occurred: ' + err;
                            Logger.log(msg);
                            lrHandle.stop();
                        });
                    }
                };
                liveReload.on("livereload:error", function (err) {
                    Logger.log("TACO Livereload Error occured: - " + err);
                });
                // Display prompt to the user letting them know that livereload has started
                // Note: we do it this way because doing it after `lr.start()`, it would get lost
                //          among all the run command details output.
                cordova.on("after_run", function () {
                    if (liveReload.isLiveReloadActive()) {
                        Logger.logLine();
                        Logger.log("TACO Live Reload started.");
                        Logger.logLine();
                        Logger.log("Press CTRL+C to exit");
                    }
                });
                cordova.on("after_prepare", function () {
                    if (!liveReload.isLiveReloadActive()) {
                        return liveReload.start(projectRoot, targetPlatforms, startOptions);
                    }
                });
                return Q({});
            }, function () {
                return Q.reject(new Error("live-reload is not supported for project without taco.json "));
            }, {});
        });
    };
    LiveReload.getTargetPlatforms = function (projectRoot, platforms) {
        if (platforms && platforms.length > 0) {
            return Q(platforms);
        }
        return ProjectHelper.getInstalledComponents(projectRoot, "platforms");
    };
    return LiveReload;
}());
module.exports = LiveReload;

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