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var specificity = require('route-order')();
var slash = require('express-slash');
function OKServer(options) {
if (!(this instanceof OKServer)) return new OKServer(options);
options = options || {};
if (!options.express)
throw new Error('No Express provided to OKServer');
if (!options.app)
throw new Error('No Express app provided to OKServer')
if (!options.views)
throw new Error('No views provided to OKServer');
if (!options.root)
throw new Error('No app root directory provided to OKServer');
if (!options.adminRoot)
throw new Error('No admin root directory provided to OKServer');
if (!options.adminPath)
throw new Error('No admin path provided to OKServer');
if (!options.errorHandler)
throw new Error('No error handler provided to OKServer');
var root = options.root;
var adminRoot = options.adminRoot;
var adminPath = options.adminPath;
var views = options.views;
var express = options.express;
var app = this._app = options.app;
var router = express.Router({
strict: app.get('strict routing')
});
var error = options.errorHandler;
var services = options.services || {};
Object.keys(views)
// Sort such that more general routes are matched last
.sort(specificity)
// Add the views
.forEach(function(route) {
var view = views[route];
var mount = view.mount;
if (!mount)
throw Error('View doesn\'t specify a mount point');
var handler = view.middleware();
if (!handler)
throw new Error('View doesn\'t provide middleware');
router[mount](route, handler);
});
/**
* Mount our middleware.
* Order is important here! Requests go down the middleware
* chain until they are handled with a response, which could
* happen anywhere in the chain. Watch out for middleware shadowing
* other middleware.
*/
// Serve user static files
app.use(express.static(root));
// Serve admin interface static files
app.use(adminPath, express.static(adminRoot));
// Application router
app.use(router);
// Add services
if (services.s3) {
app.use('/_services/s3', services.s3.middleware());
}
if (services.twitter) {
app.use('/_services/twitter', services.twitter.middleware())
}
// Make sure this lady is last. Checks whether the desired
// route has a trailing-slash counterpart and redirects there
app.use(slash());
// Otherwise it's a 404
app.use(function(req, res) {
error(req, res, 404)(new Error('No matching route'));
});
}
OKServer.prototype.listen = function listen(port) {
this._app.listen(port || 1337);
return this;
};
module.exports = OKServer;
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