57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
var express = require('express');
|
|
var path = require('path');
|
|
|
|
var middlewares = express.middlewares = {};
|
|
|
|
function safeRequire(m) {
|
|
try {
|
|
return require(m);
|
|
} catch (err) {
|
|
return undefined;
|
|
}
|
|
}
|
|
|
|
function createMiddlewareNotInstalled(memberName, moduleName) {
|
|
return function () {
|
|
throw new Error('The middleware loopback.' + memberName + ' is not installed.\n' +
|
|
'Please run `npm install ' + moduleName + '` to fix the problem.');
|
|
};
|
|
}
|
|
|
|
var middlewareModules = {
|
|
"compress": "compression",
|
|
"timeout": "connect-timeout",
|
|
"cookieParser": "cookie-parser",
|
|
"cookieSession": "cookie-session",
|
|
"csrf": "csurf",
|
|
"errorHandler": "errorhandler",
|
|
"session": "express-session",
|
|
"methodOverride": "method-override",
|
|
"logger": "morgan",
|
|
"responseTime": "response-time",
|
|
"favicon": "serve-favicon",
|
|
"directory": "serve-index",
|
|
// "static": "serve-static",
|
|
"vhost": "vhost"
|
|
};
|
|
|
|
middlewares.bodyParser = safeRequire('body-parser');
|
|
middlewares.json = middlewares.bodyParser && middlewares.bodyParser.json;
|
|
middlewares.urlencoded = middlewares.bodyParser && middlewares.bodyParser.urlencoded;
|
|
|
|
for (var m in middlewareModules) {
|
|
var moduleName = middlewareModules[m];
|
|
middlewares[m] = safeRequire(moduleName) || createMiddlewareNotInstalled(m, moduleName);
|
|
}
|
|
|
|
// serve-favicon requires a path
|
|
var favicon = middlewares.favicon;
|
|
middlewares.favicon = function (icon, options) {
|
|
icon = icon || path.join(__dirname, '../favicon.ico');
|
|
return favicon(icon, options);
|
|
};
|
|
|
|
module.exports = express;
|
|
|
|
|