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@msaffitz
Created August 1, 2011 20:37
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Hoptoad Notifier JS
var Hoptoad = {
VERSION : '0.1.0',
NOTICE_XML : '<?xml version="1.0" encoding="UTF-8"?><notice version="2.0"><api-key></api-key><notifier><name>hoptoad_notifier_js</name><version>0.1.0</version><url>http://hoptoadapp.com</url></notifier><error><class>EXCEPTION_CLASS</class><message>EXCEPTION_MESSAGE</message><backtrace>BACKTRACE_LINES</backtrace></error><request><url>REQUEST_URL</url><component>REQUEST_COMPONENT</component><action>REQUEST_ACTION</action></request><server-environment><project-root>PROJECT_ROOT</project-root><environment-name>production</environment-name></server-environment></notice>',
ROOT : window.location.protocol + '//' + window.location.host,
BACKTRACE_MATCHER : /^(.*)\@(.*)\:(\d+)$/,
backtrace_filters : [/notifier\.js/],
notify: function(error) {
var xml = escape(Hoptoad.generateXML(error));
var host = Hoptoad.host || 'hoptoadapp.com';
var url = '//' + host + '/notifier_api/v2/notices?data=' + xml;
var request = document.createElement('iframe');
request.style.width = '1px';
request.style.height = '1px';
request.style.display = 'none';
request.src = url;
document.getElementsByTagName('head')[0].appendChild(request);
},
setEnvironment: function(value) {
var matcher = /<environment-name>.*<\/environment-name>/;
Hoptoad.NOTICE_XML = Hoptoad.NOTICE_XML.replace(matcher,
'<environment-name>' +
value +
'</environment-name>')
},
setHost: function(value) {
Hoptoad.host = value;
},
setKey: function(value) {
var matcher = /<api-key>.*<\/api-key>/;
Hoptoad.NOTICE_XML = Hoptoad.NOTICE_XML.replace(matcher,
'<api-key>' +
value +
'</api-key>');
},
setErrorDefaults: function(value) {
Hoptoad.errorDefaults = value;
},
generateXML: function(errorWithoutDefaults) {
var error = Hoptoad.mergeDefault(Hoptoad.errorDefaults, errorWithoutDefaults);
var xml = Hoptoad.NOTICE_XML;
var baseUrl = error.url || '';
var hash = location.hash || '';
var url = Hoptoad.escapeText((baseUrl + hash) || '');
var component = Hoptoad.escapeText(error.component || '');
var action = Hoptoad.escapeText(error.action || '');
var type = Hoptoad.escapeText(error.type || 'Error');
var message = Hoptoad.escapeText(error.message || 'Unknown error.');
var backtrace = Hoptoad.generateBacktrace(error);
if (Hoptoad.trim(url) == '' && Hoptoad.trim(component) == '') {
xml = xml.replace(/<request>.*<\/request>/, '');
} else {
var data = '';
var cgi_data = error['cgi-data'] || {};
cgi_data["HTTP_USER_AGENT"] = navigator.userAgent;
data += '<cgi-data>';
data += Hoptoad.generateVariables(cgi_data);
data += '</cgi-data>';
var methods = ['params', 'session'];
for (var i = 0; i < 2; i++) {
var type = methods[i];
if (error[type]) {
data += '<' + type + '>';
data += Hoptoad.generateVariables(error[type]);
data += '</' + type + '>';
}
}
xml = xml.replace('</request>', data + '</request>')
.replace('REQUEST_URL', url)
.replace('REQUEST_ACTION', action)
.replace('REQUEST_COMPONENT', component);
}
return xml.replace('PROJECT_ROOT', Hoptoad.ROOT)
.replace('EXCEPTION_CLASS', type)
.replace('EXCEPTION_MESSAGE', message)
.replace('BACKTRACE_LINES', backtrace.join(''));
},
generateBacktrace: function(error) {
error = error || {};
if (typeof error.stack != 'string') {
try {
(0)();
} catch(e) {
error.stack = e.stack;
}
}
var backtrace = [];
var stacktrace = Hoptoad.getStackTrace(error);
for (var i = 0, l = stacktrace.length; i < l; i++) {
var line = stacktrace[i];
var matches = line.match(Hoptoad.BACKTRACE_MATCHER);
if (matches && Hoptoad.validBacktraceLine(line)) {
var file = matches[2].replace(Hoptoad.ROOT, '[PROJECT_ROOT]');
if (i == 0) {
if (matches[2].match(document.location.href)) {
backtrace.push('<line method="" file="internal: " number=""/>');
}
}
backtrace.push('<line method="' + Hoptoad.escapeText(matches[1]) +
'" file="' + Hoptoad.escapeText(file) +
'" number="' + matches[3] + '" />');
}
}
return backtrace;
},
getStackTrace: function(error) {
var stacktrace = printStackTrace({ e : error, guess : false });
for (var i = 0, l = stacktrace.length; i < l; i++) {
if (stacktrace[i].match(/\:\d+$/)) {
continue;
}
if (stacktrace[i].indexOf('@') == -1) {
stacktrace[i] += '@unsupported.js';
}
stacktrace[i] += ':0';
}
return stacktrace;
},
validBacktraceLine: function(line) {
for (var i = 0; i < Hoptoad.backtrace_filters.length; i++) {
if (line.match(Hoptoad.backtrace_filters[i])) {
return false;
}
}
return true;
},
generateVariables: function(parameters) {
var key;
var result = '';
for (key in parameters) {
result += '<var key="' + Hoptoad.escapeText(key) + '">' +
Hoptoad.escapeText(parameters[key]) +
'</var>';
}
return result;
},
escapeText: function(text) {
return text.replace(/&/g, '&#38;')
.replace(/</g, '&#60;')
.replace(/>/g, '&#62;')
.replace(/'/g, '&#39;')
.replace(/"/g, '&#34;');
},
trim: function(text) {
return text.toString().replace(/^\s+/, '').replace(/\s+$/, '');
},
mergeDefault: function(defaults, hash) {
var cloned = {};
var key;
for (key in hash) {
cloned[key] = hash[key];
}
for (key in defaults) {
if (!cloned.hasOwnProperty(key)) {
cloned[key] = defaults[key];
}
}
return cloned;
}
};
// Domain Public by Eric Wendelin http://eriwen.com/ (2008)
// Luke Smith http://lucassmith.name/ (2008)
// Loic Dachary <loic@dachary.org> (2008)
// Johan Euphrosine <proppy@aminche.com> (2008)
// Øyvind Sean Kinsey http://kinsey.no/blog (2010)
// Victor Homyakov <victor-homyakov@users.sourceforge.net> (2010)
//
// Information and discussions
// http://jspoker.pokersource.info/skin/test-printstacktrace.html
// http://eriwen.com/javascript/js-stack-trace/
// http://eriwen.com/javascript/stacktrace-update/
// http://pastie.org/253058
//
// guessFunctionNameFromLines comes from firebug
//
// Software License Agreement (BSD License)
//
// Copyright (c) 2007, Parakey Inc.
// All rights reserved.
//
// Redistribution and use of this software in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above
// copyright notice, this list of conditions and the
// following disclaimer.
//
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the
// following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// * Neither the name of Parakey Inc. nor the names of its
// contributors may be used to endorse or promote products
// derived from this software without specific prior
// written permission of Parakey Inc.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
function printStackTrace(a){var a=a||{guess:!0},b=a.e||null,a=!!a.guess,c=new printStackTrace.implementation,b=c.run(b);return a?c.guessFunctions(b):b}printStackTrace.implementation=function(){};
printStackTrace.implementation.prototype={run:function(a){var a=a||this.createException(),b=this.mode(a);return b==="other"?this.other(arguments.callee):this[b](a)},createException:function(){try{return this.undef(),null}catch(a){return a}},mode:function(a){if(a.arguments&&a.stack)return this._mode="chrome";else if(typeof window!=="undefined"&&window.opera)return this._mode=a.stacktrace?"opera10":"opera";else if(a.stack)return this._mode="firefox";return this._mode="other"},instrumentFunction:function(a,
b,c){a=a||window;a["_old"+b]=a[b];a[b]=function(){c.call(this,printStackTrace());return a["_old"+b].apply(this,arguments)};a[b]._instrumented=!0},deinstrumentFunction:function(a,b){a[b].constructor===Function&&a[b]._instrumented&&a["_old"+b].constructor===Function&&(a[b]=a["_old"+b])},chrome:function(a){return a.stack.replace(/^[^\(]+?[\n$]/gm,"").replace(/^\s+at\s+/gm,"").replace(/^Object.<anonymous>\s*\(/gm,"{anonymous}()@").split("\n")},firefox:function(a){return a.stack.replace(/(?:\n@:0)?\s+$/m,
"").replace(/^\(/gm,"{anonymous}(").split("\n")},opera10:function(a){var a=a.stacktrace.split("\n"),b=/.*line (\d+), column (\d+) in ((<anonymous function\:?\s*(\S+))|([^\(]+)\([^\)]*\))(?: in )?(.*)\s*$/i,c,d,e;c=2;d=0;for(e=a.length;c<e-2;c++)if(b.test(a[c])){var g=RegExp.$6+":"+RegExp.$1+":"+RegExp.$2,f=RegExp.$3,f=f.replace(/<anonymous function\:?\s?(\S+)?>/g,"{anonymous}");a[d++]=f+"@"+g}a.splice(d,a.length-d);return a},opera:function(a){var a=a.message.split("\n"),b=/Line\s+(\d+).*script\s+(http\S+)(?:.*in\s+function\s+(\S+))?/i,
c,d,e;c=4;d=0;for(e=a.length;c<e;c+=2)b.test(a[c])&&(a[d++]=(RegExp.$3?RegExp.$3+"()@"+RegExp.$2+RegExp.$1:"{anonymous}()@"+RegExp.$2+":"+RegExp.$1)+" -- "+a[c+1].replace(/^\s+/,""));a.splice(d,a.length-d);return a},other:function(a){for(var b=/function\s*([\w\-$]+)?\s*\(/i,c=[],d,e;a&&c.length<10;)d=b.test(a.toString())?RegExp.$1||"{anonymous}":"{anonymous}",e=Array.prototype.slice.call(a.arguments||[]),c[c.length]=d+"("+this.stringifyArguments(e)+")",a=a.caller;return c},stringifyArguments:function(a){for(var b=
0;b<a.length;++b){var c=a[b];c===void 0?a[b]="undefined":c===null?a[b]="null":c.constructor&&(c.constructor===Array?a[b]=c.length<3?"["+this.stringifyArguments(c)+"]":"["+this.stringifyArguments(Array.prototype.slice.call(c,0,1))+"..."+this.stringifyArguments(Array.prototype.slice.call(c,-1))+"]":c.constructor===Object?a[b]="#object":c.constructor===Function?a[b]="#function":c.constructor===String&&(a[b]='"'+c+'"'))}return a.join(",")},sourceCache:{},ajax:function(a){var b=this.createXMLHTTPObject();
if(b)return b.open("GET",a,!1),b.setRequestHeader("User-Agent","XMLHTTP/1.0"),b.send(""),b.responseText},createXMLHTTPObject:function(){for(var a,b=[function(){return new XMLHttpRequest},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml3.XMLHTTP")},function(){return new ActiveXObject("Microsoft.XMLHTTP")}],c=0;c<b.length;c++)try{return a=b[c](),this.createXMLHTTPObject=b[c],a}catch(d){}},isSameDomain:function(a){return a.indexOf(location.hostname)!==
-1},getSource:function(a){a in this.sourceCache||(this.sourceCache[a]=this.ajax(a).split("\n"));return this.sourceCache[a]},guessFunctions:function(a){for(var b=0;b<a.length;++b){var c=a[b],d=/\{anonymous\}\(.*\)@(\w+:\/\/([\-\w\.]+)+(:\d+)?[^:]+):(\d+):?(\d+)?/.exec(c);if(d){var e=d[1],d=d[4];e&&this.isSameDomain(e)&&d&&(e=this.guessFunctionName(e,d),a[b]=c.replace("{anonymous}",e))}}return a},guessFunctionName:function(a,b){var c;try{c=this.guessFunctionNameFromLines(b,this.getSource(a))}catch(d){c=
"getSource failed with url: "+a+", exception: "+d.toString()}return c},guessFunctionNameFromLines:function(a,b){for(var c=/function ([^(]*)\(([^)]*)\)/,d=/['"]?([0-9A-Za-z_]+)['"]?\s*[:=]\s*(function|eval|new Function)/,e="",g=0;g<10;++g)if(e=b[a-g]+e,e!==void 0){var f=d.exec(e);if(f&&f[1])return f[1];else if((f=c.exec(e))&&f[1])return f[1]}return"(?)"}};
window.onerror = function(message, file, line) {
setTimeout(function() {
Hoptoad.notify({
message : message,
stack : '()@' + file + ':' + line
});
}, 100);
return true;
};
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