mirror of
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100 lines
2.3 KiB
JavaScript
100 lines
2.3 KiB
JavaScript
/**
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* Module dependencies.
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*/
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var express = require('../..');
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var logger = require('morgan');
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var session = require('express-session');
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var cookieParser = require('cookie-parser');
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var bodyParser = require('body-parser');
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var methodOverride = require('method-override');
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var app = module.exports = express();
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// settings
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// set our default template engine to "jade"
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// which prevents the need for extensions
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app.set('view engine', 'jade');
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// set views for error and 404 pages
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app.set('views', __dirname + '/views');
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// define a custom res.message() method
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// which stores messages in the session
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app.response.message = function(msg){
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// reference `req.session` via the `this.req` reference
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var sess = this.req.session;
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// simply add the msg to an array for later
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sess.messages = sess.messages || [];
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sess.messages.push(msg);
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return this;
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};
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// log
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if (!module.parent) app.use(logger('dev'));
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// serve static files
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app.use(express.static(__dirname + '/public'));
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// session support
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app.use(cookieParser('some secret here'));
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app.use(session());
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// parse request bodies (req.body)
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app.use(bodyParser());
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// override methods (put, delete)
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app.use(methodOverride());
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// expose the "messages" local variable when views are rendered
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app.use(function(req, res, next){
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var msgs = req.session.messages || [];
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// expose "messages" local variable
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res.locals.messages = msgs;
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// expose "hasMessages"
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res.locals.hasMessages = !! msgs.length;
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/* This is equivalent:
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res.locals({
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messages: msgs,
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hasMessages: !! msgs.length
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});
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*/
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next();
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// empty or "flush" the messages so they
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// don't build up
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req.session.messages = [];
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});
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// load controllers
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require('./lib/boot')(app, { verbose: !module.parent });
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// assume "not found" in the error msgs
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// is a 404. this is somewhat silly, but
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// valid, you can do whatever you like, set
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// properties, use instanceof etc.
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app.use(function(err, req, res, next){
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// treat as 404
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if (~err.message.indexOf('not found')) return next();
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// log it
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console.error(err.stack);
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// error page
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res.status(500).render('5xx');
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});
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// assume 404 since no middleware responded
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app.use(function(req, res, next){
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res.status(404).render('404', { url: req.originalUrl });
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});
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if (!module.parent) {
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app.listen(3000);
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console.log('\n listening on port 3000\n');
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}
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