failing gracefully
DTVE 1.5
October 2013
Hunter Loftis <hunter@skookum.com>
- Defensive Jade
- Central Error Handling
- Custom / Standard Error Pages
- Monitoring
defensive jade
Most errors = undefined locals
- Local helpers (eg, safely())
each movie in safely(user.movies, []) - Branching (eg, locals.*)
if locals.property
elsep Hello #{ property }p Property is missing!
- Combined 1 & 2
central error handling
Pass an error to next() and return from your middleware
custom error pages
app/shared/errorHandlers/404.jade
app/shared/errorHandlers/500.jade
(Exact same functionality as any other jade templates.)
Modify config to enable or disable
stack traces on error:
dump_errors: true // false monitoring (beyond regular logs)
Nodetime.com (cloud-based monitoring & profiling)
nodetime_enabled: true Graphite (time-series graphing)
statsd_enabled: true 
examples
app/examples/examples.js
failing gracefully
By hunterloftis
