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refactored error-pages example

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This commit is contained in:
Tj Holowaychuk 2010-11-25 13:44:52 -08:00
parent 4f4987e9ea
commit 1ac18f7903
1 changed files with 21 additions and 28 deletions
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49
examples/error-pages/app.js
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@ -8,8 +8,7 @@ require.paths.unshift(__dirname + '/../../support');
var express = require('./../../lib/express');
var app = express.createServer(),
sys = require('sys');
var app = express.createServer();
// Serve default connect favicon
app.use(express.favicon());
@ -32,7 +31,7 @@ app.use(app.router);
// exception
app.use(function(req, res, next){
next(new NotFound(req.url));
next(new NotFound(req.url));
});
app.set('views', __dirname + '/views');
@ -40,17 +39,21 @@ app.set('views', __dirname + '/views');
// Provide our app with the notion of NotFound exceptions
function NotFound(path){
this.name = 'NotFound';
if (path) {
Error.call(this, 'Cannot find ' + path);
this.path = path;
} else {
Error.call(this, 'Not Found');
}
Error.captureStackTrace(this, arguments.callee);
this.name = 'NotFound';
if (path) {
Error.call(this, 'Cannot find ' + path);
this.path = path;
} else {
Error.call(this, 'Not Found');
}
Error.captureStackTrace(this, arguments.callee);
}
sys.inherits(NotFound, Error);
/**
* Inherit from `Error.prototype`.
*/
NotFound.prototype.__proto__ = Error.prototype;
// We can call app.error() several times as shown below.
// Here we check for an instanceof NotFound and show the
@ -62,14 +65,9 @@ sys.inherits(NotFound, Error);
app.error(function(err, req, res, next){
if (err instanceof NotFound) {
res.render('404.jade', {
status: 404,
locals: {
error: err
}
});
res.render('404.jade', { status: 404, error: err });
} else {
next(err);
next(err);
}
});
@ -77,26 +75,21 @@ app.error(function(err, req, res, next){
// this demo, however you can choose whatever you like
app.error(function(err, req, res){
res.render('500.jade', {
status: 500,
locals: {
error: err
}
});
res.render('500.jade', { status: 500, error: err });
});
// Routes
app.get('/', function(req, res){
res.render('index.jade');
res.render('index.jade');
});
app.get('/404', function(req, res){
throw new NotFound;
throw new NotFound(req.url);
});
app.get('/500', function(req, res, next){
next(new Error('keyboard cat!'));
next(new Error('keyboard cat!'));
});
app.listen(3000);