Subtheme of barrio
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var fs = require("fs");
var path = require("path");
var config = require("./config");
var eachSeries = require("async-each-series");
var asyncTasks = require("./async-tasks");
var hooks = require("./hooks");
var merge = require("./opts").merge;
var defaultPlugins = {
"sync-options": require("./plugins/sync-options/sync-options.plugin"),
"overview": require("./plugins/overview/overview.plugin"),
"history": require("./plugins/history/history.plugin"),
"plugins": require("./plugins/plugins/plugins.plugin"),
"remote-debug": require("./plugins/remote-debug/remote-debug.plugin"),
"help": require("./plugins/help/help.plugin"),
"connections": require("./plugins/connections/connections.plugin"),
"network-throttle": require("./plugins/network-throttle/network-throttle.plugin")
};
/**
* @param {Object} opts - Any options specifically
* passed to the control panel
* @param {BrowserSync} bs
* @param {EventEmitter} emitter
* @constructor
* @returns {UI}
*/
var UI = function (opts, bs, emitter) {
var ui = this;
ui.bs = bs;
ui.config = config.merge();
ui.events = emitter;
ui.options = merge(opts);
ui.logger = bs.getLogger(ui.config.get("pluginName"));
ui.defaultPlugins = defaultPlugins;
ui.listeners = {};
ui.clients = bs.io.of(bs.options.getIn(["socket", "namespace"]));
ui.socket = bs.io.of(ui.config.getIn(["socket", "namespace"]));
if (ui.options.get("logLevel")) {
ui.logger.setLevel(ui.options.get("logLevel"));
}
/**
*
*/
ui.pluginManager = new bs.utils.easyExtender(defaultPlugins, hooks).init();
/**
* Transform/save data RE: plugins
* @type {*}
*/
ui.bsPlugins = require("./resolve-plugins")(bs.getUserPlugins());
return ui;
};
/**
* Detect an available port
* @returns {UI}
*/
UI.prototype.init = function () {
var ui = this;
eachSeries(
asyncTasks,
taskRunner(ui),
tasksComplete(ui)
);
return this;
};
/**
* @param cb
*/
UI.prototype.getServer = function (cb) {
var ui = this;
if (ui.server) {
return ui.server;
}
this.events.on("ui:running", function () {
cb(null, ui.server);
});
};
/**
* @returns {Array}
*/
UI.prototype.getInitialTemplates = function () {
var prefix = path.resolve(__dirname, "../templates/directives");
return fs.readdirSync(prefix)
.map(function (name) {
return path.resolve(prefix, name);
});
};
/**
* @param event
*/
UI.prototype.delegateEvent = function (event) {
var ui = this;
var listeners = ui.listeners[event.namespace];
if (listeners) {
if (listeners.event) {
listeners.event.call(ui, event);
} else {
if (event.event && listeners[event.event]) {
listeners[event.event].call(ui, event.data);
}
}
}
};
/**
* @param cb
*/
UI.prototype.listen = function (ns, events) {
var ui = this;
if (Array.isArray(ns)) {
ns = ns.join(":");
}
if (!ui.listeners[ns]) {
ui.listeners[ns] = events;
}
};
/**
* @param name
* @param value
* @returns {Map|*}
*/
UI.prototype.setOption = function (name, value) {
var ui = this;
ui.options = ui.options.set(name, value);
return ui.options;
};
/**
* @param path
* @param value
* @returns {Map|*}
*/
UI.prototype.setOptionIn = function (path, value) {
this.options = this.options.setIn(path, value);
return this.options;
};
/**
* @param fn
*/
UI.prototype.setMany = function (fn) {
this.options = this.options.withMutations(fn);
return this.options;
};
/**
* @param path
* @returns {any|*}
*/
UI.prototype.getOptionIn = function (path) {
return this.options.getIn(path);
};
/**
* Run each setup task in sequence
* @param ui
* @returns {Function}
*/
function taskRunner (ui) {
return function (item, cb) {
ui.logger.debug("Starting Step: " + item.step);
/**
* Give each step access to the UI Instance
*/
item.fn(ui, function (err, out) {
if (err) {
return cb(err);
}
if (out) {
handleOut(ui, out);
}
ui.logger.debug("{green:Step Complete: " + item.step);
cb();
});
};
}
/**
* Setup tasks may return options or instance properties to be set
* @param {UI} ui
* @param {Object} out
*/
function handleOut (ui, out) {
if (out.options) {
Object.keys(out.options).forEach(function (key) {
ui.options = ui.options.set(key, out.options[key]);
});
}
if (out.optionsIn) {
out.optionsIn.forEach(function (item) {
ui.options = ui.options.setIn(item.path, item.value);
});
}
if (out.instance) {
Object.keys(out.instance).forEach(function (key) {
ui[key] = out.instance[key];
});
}
}
/**
* All async tasks complete at this point
* @param ui
*/
function tasksComplete (ui) {
return function (err) {
/**
* Log any error according to BrowserSync's Logging level
*/
if (err) {
ui.logger.setOnce("useLevelPrefixes", true).error(err.message || err);
}
/**
* Running event
*/
ui.events.emit("ui:running", {instance: ui, options: ui.options});
/**
* Finally call the user-provided callback
*/
ui.cb(null, ui);
};
}
module.exports = UI;