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arangodb/js/server/modules/@arangodb/foxx/router/router.js

100 lines
2.9 KiB
JavaScript

'use strict';
////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2015-2016 ArangoDB GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Alan Plum
////////////////////////////////////////////////////////////////////////////////
const ALL_METHODS = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'PATCH', 'POST', 'PUT'];
const SwaggerContext = require('@arangodb/foxx/router/swagger-context');
const Route = require('@arangodb/foxx/router/route');
const Middleware = require('@arangodb/foxx/router/middleware');
const tokenize = require('@arangodb/foxx/router/tokenize');
const Router = module.exports = class Router extends SwaggerContext {
constructor() {
super();
this._routes = [];
this._middleware = [];
this._namedRoutes = new Map();
}
use(path, fn, name) {
if (typeof path !== 'string') {
fn = path;
path = '/*';
}
if (fn instanceof Router) {
if (path.charAt(path.length - 1) !== '*') {
if (path.charAt(path.length - 1) !== '/') {
path += '/';
}
path += '*';
}
{
const n = path.length - 1;
if (path.charAt(n) === '/') {
path = path.slice(0, n);
}
if (path.charAt(0) !== '/') {
path = `/${path}`;
}
}
const child = {
path: path,
_pathParams: new Map(),
_pathParamNames: [],
router: fn
};
child._pathTokens = tokenize(path, child);
this._routes.push(child);
if (name) {
child.name = name;
this._namedRoutes.set(child.name, child);
}
return fn;
}
const middleware = new Middleware(path, fn);
this._middleware.push(middleware);
return middleware;
}
all(path, handler, name) {
const route = new Route(ALL_METHODS, path, handler, name);
this._routes.push(route);
if (route.name) {
this._namedRoutes.set(route.name, route);
}
return route;
}
};
ALL_METHODS.forEach(function (method) {
Router.prototype[method.toLowerCase()] = function (path, handler, name) {
const route = new Route([method], path, handler, name);
this._routes.push(route);
if (route.name) {
this._namedRoutes.set(route.name, route);
}
return route;
};
});