Roman Shtylman
48 linhas
1.1 KiB
JavaScript
48 linhas
1.1 KiB
JavaScript
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/**
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* Module dependencies.
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*/
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var express = require('../../')
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, logger = require('morgan')
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, app = module.exports = express()
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, test = app.get('env') == 'test';
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if (!test) app.use(logger('dev'));
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// error handling middleware have an arity of 4
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// instead of the typical (req, res, next),
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// otherwise they behave exactly like regular
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// middleware, you may have several of them,
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// in different orders etc.
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function error(err, req, res, next) {
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// log it
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if (!test) console.error(err.stack);
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// respond with 500 "Internal Server Error".
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res.send(500);
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}
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app.get('/', function(req, res){
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// Caught and passed down to the errorHandler middleware
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throw new Error('something broke!');
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});
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app.get('/next', function(req, res, next){
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// We can also pass exceptions to next()
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process.nextTick(function(){
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next(new Error('oh no!'));
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});
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});
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// the error handler is placed after routes
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// if it were above it would not receive errors
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// from app.get() etc
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app.use(error);
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if (!module.parent) {
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app.listen(3000);
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console.log('Express started on port 3000');
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}
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