embark/lib/core/plugins.js

52 lines
1.4 KiB
JavaScript

const _ = require('underscore');
const EventEmitter = require('events').EventEmitter;
let Plugins = function (options) {
//TODO: put an observer on this.plugins and call loadPlugin when a new item is added
this.config = {};
for (let opt in options) {
if (options.hasOwnProperty(opt)) {
this.config[opt] = options[opt];
}
}
let requiredOptions = ['interceptLogs', 'plugins', 'logger'];
for (let i = 0; requiredOptions.length > i; i++) {
if (!(_.contains(Object.keys(this.config), requiredOptions[i]))) {
console.log('Warning: missing required plugin configuration key: ' + requiredOptions[i]);
}
}
this.on('load', () => {
this.load();
});
this.on('get', (pluginType, cb) => {
let pluginTypes = getPluginsFor(pluginType, this.config.plugins);
return cb(pluginTypes);
});
};
Plugins.prototype.load = Plugins.prototype.loadPlugins = function () {
let pluginConfig;
for (let i = 0; this.config.plugins.length > i; i++) {
pluginConfig = this.config.plugins[i].config;
let Plugin = require('./plugin');
let plugin = new Plugin(pluginConfig);
plugin.run();
}
};
Plugins.prototype.listPlugins = function () {
return this.config.plugins.join(', ');
};
let getPluginsFor = function (pluginType, plugins) {
return _.filter(plugins, pluginType);
};
Plugins.prototype.getPluginsFor = getPluginsFor;
Plugins.prototype = Object.create(EventEmitter.prototype);
module.exports = Plugins;