single file nodestrum
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/**package | |
{ | |
"name": "nodestrum", | |
"description": "Some cross cutting utils", | |
"version": "0.10.1", | |
"author": "Refael Ackermann<refael@empeeric.com>(http://node.org.il)", | |
"homepage": "https://gist.github.com/refack/6256990/", | |
"repository": "https://gist.githubusercontent.com/refack/6256990/raw/nodestrum.js", | |
"license": "MIT", | |
"readme": "Some crosscutting node.js utils" | |
} | |
**/ | |
'use strict'; | |
Error.stackTraceLimit = Infinity; | |
var util = require('util'); | |
var domain = require('domain'); | |
exports.isDebug = function (key) {return process.env.NODE_DEBUG && (~process.env.NODE_DEBUG.indexOf(key) || process.env.NODE_DEBUG[0] === '*');}, | |
exports.logFor = function (key) { | |
var logger = function () {arguments[0] = '\x1B[36m' + key + '\x1B[39m: ' + arguments[0]; console.log.apply(console, arguments)}; | |
logger.active = true; | |
return exports.isDebug(key) ? logger : function () {}; | |
}; | |
exports.catch_all_middleware = exports.CatchAllMiddleware = function CatchAllMiddleware(err, req, res, next) { | |
// I have to do something with "next", otherwise I don't get "err" | |
next = null; | |
console.error(err.stack); | |
res.send(500, '<pre>An unexpected error occurred! Please check logs.\n' + err.stack); | |
}; | |
exports.ConnectionCloser = function ConnectionCloser(req, res, next) { | |
res.set("Connection", "close"); | |
res.shouldKeepAlive = false; | |
return next(); | |
}; | |
exports.domain_wrapper_middleware = exports.DomainsMiddleware = function DomainsMiddleware(req, res, next) { | |
var d = exports.domain_wrapper([req, res]) | |
d.run(next); | |
}; | |
exports.domain_wrapper = exports.DomainWrapper = function DomainWrapper(objs) { | |
objs = objs || []; | |
var d = domain.create(); | |
d.on('error', function (err) { | |
var message = err.stack || err; | |
util.error('#### domain exception ####\n', message, '\n#### end ####'); | |
try { | |
var res = d.members.filter(function (o) {return o.constructor.name == 'ServerResponse';})[0]; | |
if (res._headerSent) return; | |
res.json(500, { | |
Status: -1, | |
Message: message | |
}); | |
} catch (e) { | |
util.error('#### no sure if sent 500 ####') | |
} | |
}); | |
objs.forEach(d.add.bind(d)) | |
return d; | |
}; | |
exports.register_process_catcher = exports.RegisterCatchAll = function RegisterCatchAll() { | |
process.on('uncaughtException', function (err) { | |
util.error('---- process exception ----\n', err.stack || err, '\n---- end ----'); | |
}); | |
}; | |
exports.escapeHTMLComponent = global.escapeHTMLComponent = util.deprecate(function (str) { return str == null ? '' : String(str).replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>').replace(/"/g, '"').replace(/'/g, '''); }); | |
exports.encodeJSONHTML = global.encodeJSONHTML = util.deprecate(function (str) { return escapeHTMLComponent(JSON.stringify(str)); }); | |
exports.unescapeHTMLComponent = global.unescapeHTMLComponent = util.deprecate(function (str) { return str == null ? '' : String(str).replace(/\&\;/gi, '&').replace(/\<\;/gi, '<').replace(/\>\;/gi, '>').replace(/\"\;/gi, '"').replace(/\&\#039\;/gi, "'"); }); | |
exports.decodeJSONHTML = global.decodeJSONHTML = util.deprecate(function (str) { return JSON.parse(unescapeHTMLComponent(str)); }); |
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