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Merge branch 'QA_4_6'

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This commit is contained in:
Michal Čihař 2016-11-30 13:09:16 +01:00
commit e3a3f35db3
1 changed files with 272 additions and 142 deletions
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414
js/tracekit/tracekit.js
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@ -1,10 +1,12 @@
/*
TraceKit - Cross brower stack traces - github.com/occ/TraceKit
MIT license
*/
;(function(window, undefined) {
/**
* https://github.com/csnover/TraceKit
* @license MIT
* @namespace TraceKit
*/
(function(window, undefined) {
if (!window) {
return;
}
var TraceKit = {};
var _oldTraceKit = window.TraceKit;
@ -13,25 +15,34 @@ var _oldTraceKit = window.TraceKit;
var _slice = [].slice;
var UNKNOWN_FUNCTION = '?';
/**
* _has, a better form of hasOwnProperty
* Example: _has(MainHostObject, property) === true/false
* A better form of hasOwnProperty<br/>
* Example: `_has(MainHostObject, property) === true/false`
*
* @param {Object} host object to check property
* @param {Object} object to check property
* @param {string} key to check
* @return {Boolean} true if the object has the key and it is not inherited
*/
function _has(object, key) {
return Object.prototype.hasOwnProperty.call(object, key);
}
/**
* Returns true if the parameter is undefined<br/>
* Example: `_isUndefined(val) === true/false`
*
* @param {*} what Value to check
* @return {Boolean} true if undefined and false otherwise
*/
function _isUndefined(what) {
return typeof what === 'undefined';
}
/**
* TraceKit.noConflict: Export TraceKit out to another variable
* Example: var TK = TraceKit.noConflict()
* Export TraceKit out to another variable<br/>
* Example: `var TK = TraceKit.noConflict()`
* @return {Object} The TraceKit object
* @memberof TraceKit
*/
TraceKit.noConflict = function noConflict() {
window.TraceKit = _oldTraceKit;
@ -39,11 +50,12 @@ TraceKit.noConflict = function noConflict() {
};
/**
* TraceKit.wrap: Wrap any function in a TraceKit reporter
* Example: func = TraceKit.wrap(func);
* Wrap any function in a TraceKit reporter<br/>
* Example: `func = TraceKit.wrap(func);`
*
* @param {Function} func Function to be wrapped
* @return {Function} The wrapped func
* @memberof TraceKit
*/
TraceKit.wrap = function traceKitWrapper(func) {
function wrapped() {
@ -58,23 +70,25 @@ TraceKit.wrap = function traceKitWrapper(func) {
};
/**
* TraceKit.report: cross-browser processing of unhandled exceptions
* Cross-browser processing of unhandled exceptions
*
* Syntax:
* ```js
* TraceKit.report.subscribe(function(stackInfo) { ... })
* TraceKit.report.unsubscribe(function(stackInfo) { ... })
* TraceKit.report(exception)
* try { ...code... } catch(ex) { TraceKit.report(ex); }
* ```
*
* Supports:
* - Firefox: full stack trace with line numbers, plus column number
* on top frame; column number is not guaranteed
* - Opera: full stack trace with line and column numbers
* - Chrome: full stack trace with line and column numbers
* - Safari: line and column number for the top frame only; some frames
* may be missing, and column number is not guaranteed
* - IE: line and column number for the top frame only; some frames
* may be missing, and column number is not guaranteed
* on top frame; column number is not guaranteed
* - Opera: full stack trace with line and column numbers
* - Chrome: full stack trace with line and column numbers
* - Safari: line and column number for the top frame only; some frames
* may be missing, and column number is not guaranteed
* - IE: line and column number for the top frame only; some frames
* may be missing, and column number is not guaranteed
*
* In theory, TraceKit should work on all of the following versions:
* - IE5.5+ (only 8.0 tested)
@ -93,17 +107,22 @@ TraceKit.wrap = function traceKitWrapper(func) {
* If the exception does not reach the top of the browser, you will only
* get a stack trace from the point where TraceKit.report was called.
*
* Handlers receive a stackInfo object as described in the
* Handlers receive a TraceKit.StackTrace object as described in the
* TraceKit.computeStackTrace docs.
*
* @memberof TraceKit
* @namespace
*/
TraceKit.report = (function reportModuleWrapper() {
var handlers = [],
lastArgs = null,
lastException = null,
lastExceptionStack = null;
/**
* Add a crash handler.
* @param {Function} handler
* @memberof TraceKit.report
*/
function subscribe(handler) {
installGlobalHandler();
@ -113,6 +132,7 @@ TraceKit.report = (function reportModuleWrapper() {
/**
* Remove a crash handler.
* @param {Function} handler
* @memberof TraceKit.report
*/
function unsubscribe(handler) {
for (var i = handlers.length - 1; i >= 0; --i) {
@ -124,11 +144,14 @@ TraceKit.report = (function reportModuleWrapper() {
/**
* Dispatch stack information to all handlers.
* @param {Object.<string, *>} stack
* @param {TraceKit.StackTrace} stack
* @param {boolean} isWindowError Is this a top-level window error?
* @memberof TraceKit.report
* @throws An exception if an error occurs while calling an handler.
*/
function notifyHandlers(stack, windowError) {
function notifyHandlers(stack, isWindowError) {
var exception = null;
if (windowError && !TraceKit.collectWindowErrors) {
if (isWindowError && !TraceKit.collectWindowErrors) {
return;
}
for (var i in handlers) {
@ -153,34 +176,36 @@ TraceKit.report = (function reportModuleWrapper() {
* Supported by Gecko and IE.
* @param {string} message Error message.
* @param {string} url URL of script that generated the exception.
* @param {(number|string)} lineNo The line number at which the error
* occurred.
* @param {(number|string)} lineNo The line number at which the error occurred.
* @param {(number|string)=} columnNo The column number at which the error occurred.
* @param {Error=} errorObj The actual Error object.
* @memberof TraceKit.report
*/
function traceKitWindowOnError(message, url, lineNo) {
function traceKitWindowOnError(message, url, lineNo, columnNo, errorObj) {
var stack = null;
if (lastExceptionStack) {
TraceKit.computeStackTrace.augmentStackTraceWithInitialElement(lastExceptionStack, url, lineNo, message);
stack = lastExceptionStack;
lastExceptionStack = null;
lastException = null;
processLastException();
} else if (errorObj) {
stack = TraceKit.computeStackTrace(errorObj);
notifyHandlers(stack, true);
} else {
var location = {
'url': url,
'line': lineNo
'url': url,
'line': lineNo,
'column': columnNo
};
location.func = TraceKit.computeStackTrace.guessFunctionName(location.url, location.line);
location.context = TraceKit.computeStackTrace.gatherContext(location.url, location.line);
stack = {
'mode': 'onerror',
'message': message,
'url': document.location.href,
'stack': [location],
'useragent': navigator.userAgent
'mode': 'onerror',
'message': message,
'stack': [location]
};
}
notifyHandlers(stack, 'from window.onerror');
notifyHandlers(stack, true);
}
if (_oldOnerrorHandler) {
return _oldOnerrorHandler.apply(this, arguments);
@ -189,8 +214,11 @@ TraceKit.report = (function reportModuleWrapper() {
return false;
}
function installGlobalHandler ()
{
/**
* Install a global onerror handler
* @memberof TraceKit.report
*/
function installGlobalHandler () {
if (_onErrorHandlerInstalled === true) {
return;
}
@ -199,26 +227,38 @@ TraceKit.report = (function reportModuleWrapper() {
_onErrorHandlerInstalled = true;
}
/**
* Process the most recent exception
* @memberof TraceKit.report
*/
function processLastException() {
var _lastExceptionStack = lastExceptionStack,
_lastArgs = lastArgs;
lastArgs = null;
lastExceptionStack = null;
lastException = null;
notifyHandlers.apply(null, [_lastExceptionStack, false].concat(_lastArgs));
}
/**
* Reports an unhandled Error to TraceKit.
* @param {Error} ex
* @memberof TraceKit.report
* @throws An exception if an incomplete stack trace is detected (old IE browsers).
*/
function report(ex) {
var args = _slice.call(arguments, 1);
if (lastExceptionStack) {
if (lastException === ex) {
return; // already caught by an inner catch block, ignore
} else {
var s = lastExceptionStack;
lastExceptionStack = null;
lastException = null;
notifyHandlers.apply(null, [s, null].concat(args));
processLastException();
}
}
var stack = TraceKit.computeStackTrace(ex);
lastExceptionStack = stack;
lastException = ex;
lastArgs = _slice.call(arguments, 1);
// If the stack trace is incomplete, wait for 2 seconds for
// slow slow IE to see if onerror occurs or not before reporting
@ -226,9 +266,7 @@ TraceKit.report = (function reportModuleWrapper() {
// stack trace
window.setTimeout(function () {
if (lastException === ex) {
lastExceptionStack = null;
lastException = null;
notifyHandlers.apply(null, [stack, null].concat(args));
processLastException();
}
}, (stack.incomplete ? 2000 : 0));
@ -240,22 +278,36 @@ TraceKit.report = (function reportModuleWrapper() {
return report;
}());
/**
* An object representing a single stack frame.
* @typedef {Object} StackFrame
* @property {string} url The JavaScript or HTML file URL.
* @property {string} func The function name, or empty for anonymous functions (if guessing did not work).
* @property {string[]?} args The arguments passed to the function, if known.
* @property {number=} line The line number, if known.
* @property {number=} column The column number, if known.
* @property {string[]} context An array of source code lines; the middle element corresponds to the correct line#.
* @memberof TraceKit
*/
/**
* An object representing a JavaScript stack trace.
* @typedef {Object} StackTrace
* @property {string} name The name of the thrown exception.
* @property {string} message The exception error message.
* @property {TraceKit.StackFrame[]} stack An array of stack frames.
* @property {string} mode 'stack', 'stacktrace', 'multiline', 'callers', 'onerror', or 'failed' -- method used to collect the stack trace.
* @memberof TraceKit
*/
/**
* TraceKit.computeStackTrace: cross-browser stack traces in JavaScript
*
* Syntax:
* ```js
* s = TraceKit.computeStackTrace.ofCaller([depth])
* s = TraceKit.computeStackTrace(exception) // consider using TraceKit.report instead (see below)
* Returns:
* s.name - exception name
* s.message - exception message
* s.stack[i].url - JavaScript or HTML file URL
* s.stack[i].func - function name, or empty for anonymous functions (if guessing did not work)
* s.stack[i].args - arguments passed to the function, if known
* s.stack[i].line - line number, if known
* s.stack[i].column - column number, if known
* s.stack[i].context - an array of source code lines; the middle element corresponds to the correct line#
* s.mode - 'stack', 'stacktrace', 'multiline', 'callers', 'onerror', or 'failed' -- method used to collect the stack trace
* ```
*
* Supports:
* - Firefox: full stack trace with line numbers and unreliable column
@ -294,6 +346,7 @@ TraceKit.report = (function reportModuleWrapper() {
* inner function that actually caused the exception).
*
* Tracing example:
* ```js
* function trace(message) {
* var stackInfo = TraceKit.computeStackTrace.ofCaller();
* var data = message + "\n";
@ -306,6 +359,9 @@ TraceKit.report = (function reportModuleWrapper() {
* else
* alert(data);
* }
* ```
* @memberof TraceKit
* @namespace
*/
TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
var debug = false,
@ -316,20 +372,21 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* to look up anonymous function names.
* @param {string} url URL of source code.
* @return {string} Source contents.
* @memberof TraceKit.computeStackTrace
*/
function loadSource(url) {
if (!TraceKit.remoteFetching) { //Only attempt request if remoteFetching is on.
return '';
}
try {
function getXHR() {
var getXHR = function() {
try {
return new window.XMLHttpRequest();
} catch (e) {
// explicitly bubble up the exception if not found
return new window.ActiveXObject('Microsoft.XMLHTTP');
}
}
};
var request = getXHR();
request.open('GET', url, false);
@ -344,13 +401,29 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* Retrieves source code from the source code cache.
* @param {string} url URL of source code.
* @return {Array.<string>} Source contents.
* @memberof TraceKit.computeStackTrace
*/
function getSource(url) {
if (typeof url !== 'string') {
return [];
}
if (!_has(sourceCache, url)) {
// URL needs to be able to fetched within the acceptable domain. Otherwise,
// cross-domain errors will be triggered.
/*
Regex matches:
0 - Full Url
1 - Protocol
2 - Domain
3 - Port (Useful for internal applications)
4 - Path
*/
var source = '';
if (url.indexOf(document.domain) !== -1) {
var domain = '';
try { domain = window.document.domain; } catch (e) { }
var match = /(.*)\:\/\/([^:\/]+)([:\d]*)\/{0,1}([\s\S]*)/.exec(url);
if (match && match[2] === domain) {
source = loadSource(url);
}
sourceCache[url] = source ? source.split('\n') : [];
@ -366,6 +439,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* @param {string} url URL of source code.
* @param {(string|number)} lineNo Line number in source code.
* @return {string} The function name, if discoverable.
* @memberof TraceKit.computeStackTrace
*/
function guessFunctionName(url, lineNo) {
var reFunctionArgNames = /function ([^(]*)\(([^)]*)\)/,
@ -402,6 +476,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* @param {(string|number)} line Line number in source code to centre
* around for context.
* @return {?Array.<string>} Lines of source code.
* @memberof TraceKit.computeStackTrace
*/
function gatherContext(url, line) {
var source = getSource(url);
@ -436,6 +511,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* used inside a regular expression as a string literal.
* @param {string} text The string.
* @return {string} The escaped string literal.
* @memberof TraceKit.computeStackTrace
*/
function escapeRegExp(text) {
return text.replace(/[\-\[\]{}()*+?.,\\\^$|#]/g, '\\$&');
@ -447,6 +523,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* be matched the same as their literal friends.
* @param {string} body The string.
* @return {string} The escaped string.
* @memberof TraceKit.computeStackTrace
*/
function escapeCodeAsRegExpForMatchingInsideHTML(body) {
return escapeRegExp(body).replace('<', '(?:<|&lt;)').replace('>', '(?:>|&gt;)').replace('&', '(?:&|&amp;)').replace('"', '(?:"|&quot;)').replace(/\s+/g, '\\s+');
@ -458,6 +535,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* @param {Array.<string>} urls A list of URLs to search.
* @return {?Object.<string, (string|number)>} An object containing
* the url, line, and column number of the defined function.
* @memberof TraceKit.computeStackTrace
*/
function findSourceInUrls(re, urls) {
var source, m;
@ -489,6 +567,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* @param {string} url The URL to search.
* @param {(string|number)} line The line number to examine.
* @return {?number} The column number.
* @memberof TraceKit.computeStackTrace
*/
function findSourceInLine(fragment, url, line) {
var source = getSource(url),
@ -510,10 +589,15 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* function definition.
* @return {?Object.<string, (string|number)>} An object containing
* the url, line, and column number of the defined function.
* @memberof TraceKit.computeStackTrace
*/
function findSourceByFunctionBody(func) {
if (_isUndefined(window && window.document)) {
return;
}
var urls = [window.location.href],
scripts = document.getElementsByTagName('script'),
scripts = window.document.getElementsByTagName('script'),
body,
code = '' + func,
codeRE = /^function(?:\s+([\w$]+))?\s*\(([\w\s,]*)\)\s*\{\s*(\S[\s\S]*\S)\s*\}\s*$/,
@ -587,6 +671,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
// ex.message = qq is not defined
// ex.fileName = http://...
// ex.lineNumber = 59
// ex.columnNumber = 69
// ex.stack = ...stack trace... (see the example below)
// ex.name = ReferenceError
//
@ -611,15 +696,17 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* Computes stack trace information from the stack property.
* Chrome and Gecko use this property.
* @param {Error} ex
* @return {?Object.<string, *>} Stack trace information.
* @return {?TraceKit.StackTrace} Stack trace information.
* @memberof TraceKit.computeStackTrace
*/
function computeStackTraceFromStackProp(ex) {
if (!ex.stack) {
return null;
}
var chrome = /^\s*at (?:((?:\[object object\])?\S+(?: \[as \S+\])?) )?\(?((?:file|http|https):.*?):(\d+)(?::(\d+))?\)?\s*$/i,
gecko = /^\s*(\S*)(?:\((.*?)\))?@((?:file|http|https).*?):(\d+)(?::(\d+))?\s*$/i,
var chrome = /^\s*at (.*?) ?\(((?:file|https?|blob|chrome-extension|native|webpack|eval).*?)(?::(\d+))?(?::(\d+))?\)?\s*$/i,
gecko = /^\s*(.*?)(?:\((.*?)\))?(?:^|@)((?:file|https?|blob|chrome|webpack|\[native).*?)(?::(\d+))?(?::(\d+))?\s*$/i,
winjs = /^\s*at (?:((?:\[object object\])?.+) )?\(?((?:ms-appx|https?|webpack|blob):.*?):(\d+)(?::(\d+))?\)?\s*$/i,
lines = ex.stack.split('\n'),
stack = [],
parts,
@ -627,21 +714,31 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
reference = /^(.*) is undefined$/.exec(ex.message);
for (var i = 0, j = lines.length; i < j; ++i) {
if ((parts = gecko.exec(lines[i]))) {
if ((parts = chrome.exec(lines[i]))) {
var isNative = parts[2] && parts[2].indexOf('native') !== -1;
element = {
'url': parts[3],
'url': !isNative ? parts[2] : null,
'func': parts[1] || UNKNOWN_FUNCTION,
'args': parts[2] ? parts[2].split(',') : '',
'line': +parts[4],
'column': parts[5] ? +parts[5] : null
'args': isNative ? [parts[2]] : [],
'line': parts[3] ? +parts[3] : null,
'column': parts[4] ? +parts[4] : null
};
} else if ((parts = chrome.exec(lines[i]))) {
} else if ( parts = winjs.exec(lines[i]) ) {
element = {
'url': parts[2],
'func': parts[1] || UNKNOWN_FUNCTION,
'args': [],
'line': +parts[3],
'column': parts[4] ? +parts[4] : null
};
} else if ((parts = gecko.exec(lines[i]))) {
element = {
'url': parts[3],
'func': parts[1] || UNKNOWN_FUNCTION,
'args': parts[2] ? parts[2].split(',') : [],
'line': parts[4] ? +parts[4] : null,
'column': parts[5] ? +parts[5] : null
};
} else {
continue;
}
@ -657,51 +754,70 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
stack.push(element);
}
if (stack[0] && stack[0].line && !stack[0].column && reference) {
stack[0].column = findSourceInLine(reference[1], stack[0].url, stack[0].line);
}
if (!stack.length) {
return null;
}
if (stack[0] && stack[0].line && !stack[0].column && reference) {
stack[0].column = findSourceInLine(reference[1], stack[0].url, stack[0].line);
} else if (!stack[0].column && !_isUndefined(ex.columnNumber)) {
// FireFox uses this awesome columnNumber property for its top frame
// Also note, Firefox's column number is 0-based and everything else expects 1-based,
// so adding 1
stack[0].column = ex.columnNumber + 1;
}
return {
'mode': 'stack',
'name': ex.name,
'message': ex.message,
'url': document.location.href,
'stack': stack,
'useragent': navigator.userAgent
'stack': stack
};
}
/**
* Computes stack trace information from the stacktrace property.
* Opera 10 uses this property.
* Opera 10+ uses this property.
* @param {Error} ex
* @return {?Object.<string, *>} Stack trace information.
* @return {?TraceKit.StackTrace} Stack trace information.
* @memberof TraceKit.computeStackTrace
*/
function computeStackTraceFromStacktraceProp(ex) {
// Access and store the stacktrace property before doing ANYTHING
// else to it because Opera is not very good at providing it
// reliably in other circumstances.
var stacktrace = ex.stacktrace;
if (!stacktrace) {
return;
}
var testRE = / line (\d+), column (\d+) in (?:<anonymous function: ([^>]+)>|([^\)]+))\((.*)\) in (.*):\s*$/i,
var opera10Regex = / line (\d+).*script (?:in )?(\S+)(?:: in function (\S+))?$/i,
opera11Regex = / line (\d+), column (\d+)\s*(?:in (?:<anonymous function: ([^>]+)>|([^\)]+))\((.*)\))? in (.*):\s*$/i,
lines = stacktrace.split('\n'),
stack = [],
parts;
for (var i = 0, j = lines.length; i < j; i += 2) {
if ((parts = testRE.exec(lines[i]))) {
var element = {
for (var line = 0; line < lines.length; line += 2) {
var element = null;
if ((parts = opera10Regex.exec(lines[line]))) {
element = {
'url': parts[2],
'line': +parts[1],
'column': null,
'func': parts[3],
'args':[]
};
} else if ((parts = opera11Regex.exec(lines[line]))) {
element = {
'url': parts[6],
'line': +parts[1],
'column': +parts[2],
'func': parts[3] || parts[4],
'args': parts[5] ? parts[5].split(',') : [],
'url': parts[6]
'args': parts[5] ? parts[5].split(',') : []
};
}
if (element) {
if (!element.func && element.line) {
element.func = guessFunctionName(element.url, element.line);
}
@ -712,7 +828,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
}
if (!element.context) {
element.context = [lines[i + 1]];
element.context = [lines[line + 1]];
}
stack.push(element);
@ -727,9 +843,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
'mode': 'stacktrace',
'name': ex.name,
'message': ex.message,
'url': document.location.href,
'stack': stack,
'useragent': navigator.userAgent
'stack': stack
};
}
@ -740,9 +854,11 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* Opera 9 and earlier use this method if the option to show stack
* traces is turned on in opera:config.
* @param {Error} ex
* @return {?Object.<string, *>} Stack information.
* @return {?TraceKit.StackTrace} Stack information.
* @memberof TraceKit.computeStackTrace
*/
function computeStackTraceFromOperaMultiLineMessage(ex) {
// TODO: Clean this function up
// Opera includes a stack trace into the exception message. An example is:
//
// Statement on line 3: Undefined variable: undefinedFunc
@ -762,40 +878,42 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
return null;
}
var lineRE1 = /^\s*Line (\d+) of linked script ((?:file|http|https)\S+)(?:: in function (\S+))?\s*$/i,
lineRE2 = /^\s*Line (\d+) of inline#(\d+) script in ((?:file|http|https)\S+)(?:: in function (\S+))?\s*$/i,
var lineRE1 = /^\s*Line (\d+) of linked script ((?:file|https?|blob)\S+)(?:: in function (\S+))?\s*$/i,
lineRE2 = /^\s*Line (\d+) of inline#(\d+) script in ((?:file|https?|blob)\S+)(?:: in function (\S+))?\s*$/i,
lineRE3 = /^\s*Line (\d+) of function script\s*$/i,
stack = [],
scripts = document.getElementsByTagName('script'),
scripts = (window && window.document && window.document.getElementsByTagName('script')),
inlineScriptBlocks = [],
parts,
i,
len,
source;
parts;
for (i in scripts) {
if (_has(scripts, i) && !scripts[i].src) {
inlineScriptBlocks.push(scripts[i]);
for (var s in scripts) {
if (_has(scripts, s) && !scripts[s].src) {
inlineScriptBlocks.push(scripts[s]);
}
}
for (i = 2, len = lines.length; i < len; i += 2) {
for (var line = 2; line < lines.length; line += 2) {
var item = null;
if ((parts = lineRE1.exec(lines[i]))) {
if ((parts = lineRE1.exec(lines[line]))) {
item = {
'url': parts[2],
'func': parts[3],
'line': +parts[1]
'args': [],
'line': +parts[1],
'column': null
};
} else if ((parts = lineRE2.exec(lines[i]))) {
} else if ((parts = lineRE2.exec(lines[line]))) {
item = {
'url': parts[3],
'func': parts[4]
'func': parts[4],
'args': [],
'line': +parts[1],
'column': null // TODO: Check to see if inline#1 (+parts[2]) points to the script number or column number.
};
var relativeLine = (+parts[1]); // relative to the start of the <SCRIPT> block
var script = inlineScriptBlocks[parts[2] - 1];
if (script) {
source = getSource(item.url);
var source = getSource(item.url);
if (source) {
source = source.join('\n');
var pos = source.indexOf(script.innerText);
@ -804,15 +922,16 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
}
}
}
} else if ((parts = lineRE3.exec(lines[i]))) {
var url = window.location.href.replace(/#.*$/, ''),
line = parts[1];
var re = new RegExp(escapeCodeAsRegExpForMatchingInsideHTML(lines[i + 1]));
source = findSourceInUrls(re, [url]);
} else if ((parts = lineRE3.exec(lines[line]))) {
var url = window.location.href.replace(/#.*$/, '');
var re = new RegExp(escapeCodeAsRegExpForMatchingInsideHTML(lines[line + 1]));
var src = findSourceInUrls(re, [url]);
item = {
'url': url,
'line': source ? source.line : line,
'func': ''
'func': '',
'args': [],
'line': src ? src.line : parts[1],
'column': null
};
}
@ -822,11 +941,11 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
}
var context = gatherContext(item.url, item.line);
var midline = (context ? context[Math.floor(context.length / 2)] : null);
if (context && midline.replace(/^\s*/, '') === lines[i + 1].replace(/^\s*/, '')) {
if (context && midline.replace(/^\s*/, '') === lines[line + 1].replace(/^\s*/, '')) {
item.context = context;
} else {
// if (context) alert("Context mismatch. Correct midline:\n" + lines[i+1] + "\n\nMidline:\n" + midline + "\n\nContext:\n" + context.join("\n") + "\n\nURL:\n" + item.url);
item.context = [lines[i + 1]];
item.context = [lines[line + 1]];
}
stack.push(item);
}
@ -839,16 +958,14 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
'mode': 'multiline',
'name': ex.name,
'message': lines[0],
'url': document.location.href,
'stack': stack,
'useragent': navigator.userAgent
'stack': stack
};
}
/**
* Adds information about the first frame to incomplete stack traces.
* Safari and IE require this to get complete data on the first frame.
* @param {Object.<string, *>} stackInfo Stack trace information from
* @param {TraceKit.StackTrace} stackInfo Stack trace information from
* one of the compute* methods.
* @param {string} url The URL of the script that caused an error.
* @param {(number|string)} lineNo The line number of the script that
@ -857,6 +974,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* hopefully contains the name of the object that caused the error.
* @return {boolean} Whether or not the stack information was
* augmented.
* @memberof TraceKit.computeStackTrace
*/
function augmentStackTraceWithInitialElement(stackInfo, url, lineNo, message) {
var initial = {
@ -909,7 +1027,8 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* Safari and IE. The top frame is restored by
* {@link augmentStackTraceWithInitialElement}.
* @param {Error} ex
* @return {?Object.<string, *>} Stack trace information.
* @return {TraceKit.StackTrace=} Stack trace information.
* @memberof TraceKit.computeStackTrace
*/
function computeStackTraceByWalkingCallerChain(ex, depth) {
var functionName = /function\s+([_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*)?\s*\(/i,
@ -929,6 +1048,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
item = {
'url': null,
'func': UNKNOWN_FUNCTION,
'args': [],
'line': null,
'column': null
};
@ -939,6 +1059,12 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
item.func = parts[1];
}
if (typeof item.func === 'undefined') {
try {
item.func = parts.input.substring(0, parts.input.indexOf('{'));
} catch (e) { }
}
if ((source = findSourceByFunctionBody(curr))) {
item.url = source.url;
item.line = source.line;
@ -972,9 +1098,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
'mode': 'callers',
'name': ex.name,
'message': ex.message,
'url': document.location.href,
'stack': stack,
'useragent': navigator.userAgent
'stack': stack
};
augmentStackTraceWithInitialElement(result, ex.sourceURL || ex.fileName, ex.line || ex.lineNumber, ex.message || ex.description);
return result;
@ -984,6 +1108,7 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
* Computes a stack trace for an exception.
* @param {Error} ex
* @param {(string|number)=} depth
* @memberof TraceKit.computeStackTrace
*/
function computeStackTrace(ex, depth) {
var stack = null;
@ -1044,7 +1169,8 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
/**
* Logs a stacktrace starting from the previous call and working down.
* @param {(number|string)=} depth How many frames deep to trace.
* @return {Object.<string, *>} Stack trace information.
* @return {TraceKit.StackTrace} Stack trace information.
* @memberof TraceKit.computeStackTrace
*/
function computeStackTraceOfCaller(depth) {
depth = (depth == null ? 0 : +depth) + 1; // "+ 1" because "ofCaller" should drop one frame
@ -1053,14 +1179,13 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
} catch (ex) {
return computeStackTrace(ex, depth + 1);
}
return null;
}
computeStackTrace.augmentStackTraceWithInitialElement = augmentStackTraceWithInitialElement;
computeStackTrace.guessFunctionName = guessFunctionName;
computeStackTrace.gatherContext = gatherContext;
computeStackTrace.ofCaller = computeStackTraceOfCaller;
computeStackTrace.getSource = getSource;
return computeStackTrace;
}());
@ -1068,8 +1193,9 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
/**
* Extends support for global error handling for asynchronous browser
* functions. Adopted from Closure Library's errorhandler.js
* @memberof TraceKit
*/
(function extendToAsynchronousCallbacks() {
TraceKit.extendToAsynchronousCallbacks = function () {
var _helper = function _helper(fnName) {
var originalFn = window[fnName];
window[fnName] = function traceKitAsyncExtension() {
@ -1092,23 +1218,27 @@ TraceKit.computeStackTrace = (function computeStackTraceWrapper() {
_helper('setTimeout');
_helper('setInterval');
}());
};
//Default options:
if (!TraceKit.remoteFetching) {
TraceKit.remoteFetching = true;
TraceKit.remoteFetching = true;
}
if (!TraceKit.collectWindowErrors) {
TraceKit.collectWindowErrors = true;
TraceKit.collectWindowErrors = true;
}
if (!TraceKit.linesOfContext || TraceKit.linesOfContext < 1) {
// 5 lines before, the offending line, 5 lines after
TraceKit.linesOfContext = 11;
// 5 lines before, the offending line, 5 lines after
TraceKit.linesOfContext = 11;
}
// UMD export
if (typeof module !== 'undefined' && module.exports && window.module !== module) {
module.exports = TraceKit;
} else if (typeof define === 'function' && define.amd) {
define('TraceKit', [], TraceKit);
} else {
window.TraceKit = TraceKit;
}
// Export to global object
window.TraceKit = TraceKit;
}(window));
}(typeof window !== 'undefined' ? window : global));