$mountMiddlewares(app, items) {
callback();
items = antsort(items, { defaultLevel: 3 });
items.forEach(item => {
app.use(item.module);
});
}
function mountMiddlewares(server, items) {
const sorted = antsort(items, { defaultLevel: 3 });
for (const item of sorted) {
logger.info('load middleware: %s, level: %s', item.name, item.level);
server.use(item.module);
}
}
/**
* 加载插件
*
* 插件是一个plover模块
* plover模块是一个`package.json`中配置plover域的node模块
* 插件要求plover域中配置属性`plugin: path`
*
* @param {PloverApplication} app - Plover应用对象
*/
constructor(app) {
let plugins = getEnablePlugins(app);
plugins = antsort(plugins, { defaultLevel: 3 });
logger.info('install plugins:\n%o', plugins.map(info => info.name));
for (const info of plugins) {
logger.info('startup plugin: %s', info.name);
const path = Path.join(info.path, info.plugin);
const fn = require(path);
assert(typeof fn === 'function',
'plugin module should be a function: ' + path);
fn(app.proto);
}
}
/**
* 处理Plover模块渲染逻辑
*
* 一个请求对应一个Navigator对象
* 由components/navigate构造，并调用navigate方法
* 由于一个页面可能会有多个模块拼装而成
* 所以会递归多次调用navigate方法，这发生在模板(通过app.view/app.control)中
*
* @param {PloverApplication} app - Plover应用对象
* @param {KoaContext} ctx - Koa上下文
*/
constructor(app, ctx) {
this.settings = app.settings;
this.development = app.settings.development;
this.app = app;
this.ctx = ctx;
this.moduleResolver = app.moduleResolver;
// filters中的顺序可由level指定
this.filters = app.filters.length ?
antsort(app.filters, { defaultLevel: 3 }) : [];
this.actionRunner = new ActionRunner(app, this);
this.viewRender = new ViewRender(app, this);
// 一个请求只对应于一个layout对象
this[LAYOUT] = {
enable: true,
name: 'layouts:view',
data: {}
};
}