last-error-middleware

Middleware for catching the last express.js error and rendering it as json or an error page.

Installation

$ npm install last-error-middleware

Example

var lastError = require('last-error-middleware');

app.use(lastError({ pages: {
  '401': 'path/to/401.html',
  '404': 'path/to/404.html',
  '500': 'path/to/500.html',
  '503': 'path/to/503.html',
  '*'  : 'path/to/omg.html',
}));

API

.LastError(options)

Construct a last-error middleware generator with custom options. The defaults are:

{
  "pages": {},     // status code to html template path
  "stack": false   // return the error stack with json responses
}

on('err', ..)

Emitted on every error.

var lastError = require('last-error-middleware');

var errors = lastError({ pages: {
  '401': 'path/to/401.html',
  '404': 'path/to/404.html',
  '500': 'path/to/500.html',
  '503': 'path/to/503.html'
});

app.use(errors);

errors.on('err', function (err) {
  console.log(err.stack);
});

License

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