(function(root, factory) { 'use strict'; // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers. /* istanbul ignore next */ if (typeof define === 'function' && define.amd) { define('error-stack-parser', ['stackframe'], factory); } else if (typeof exports === 'object') { module.exports = factory(require('stackframe')); } else { root.ErrorStackParser = factory(root.StackFrame); } }(this, function ErrorStackParser(StackFrame) { 'use strict'; var FIREFOX_SAFARI_STACK_REGEXP = /(^|@)\S+\:\d+/; var CHROME_IE_STACK_REGEXP = /^\s*at .*(\S+\:\d+|\(native\))/m; var SAFARI_NATIVE_CODE_REGEXP = /^(eval@)?(\[native code\])?$/; function _map(array, fn, thisArg) { if (typeof Array.prototype.map === 'function') { return array.map(fn, thisArg); } else { var output = new Array(array.length); for (var i = 0; i < array.length; i++) { output[i] = fn.call(thisArg, array[i]); } return output; } } function _filter(array, fn, thisArg) { if (typeof Array.prototype.filter === 'function') { return array.filter(fn, thisArg); } else { var output = []; for (var i = 0; i < array.length; i++) { if (fn.call(thisArg, array[i])) { output.push(array[i]); } } return output; } } function _indexOf(array, target) { if (typeof Array.prototype.indexOf === 'function') { return array.indexOf(target); } else { for (var i = 0; i < array.length; i++) { if (array[i] === target) { return i; } } return -1; } } return { /** * Given an Error object, extract the most information from it. * * @param {Error} error object * @return {Array} of StackFrames */ parse: function ErrorStackParser$$parse(error) { if (typeof error.stacktrace !== 'undefined' || typeof error['opera#sourceloc'] !== 'undefined') { return this.parseOpera(error); } else if (error.stack && error.stack.match(CHROME_IE_STACK_REGEXP)) { return this.parseV8OrIE(error); } else if (error.stack) { return this.parseFFOrSafari(error); } else { throw new Error('Cannot parse given Error object'); } }, // Separate line and column numbers from a string of the form: (URI:Line:Column) extractLocation: function ErrorStackParser$$extractLocation(urlLike) { // Fail-fast but return locations like "(native)" if (urlLike.indexOf(':') === -1) { return [urlLike]; } var regExp = /(.+?)(?:\:(\d+))?(?:\:(\d+))?$/; var parts = regExp.exec(urlLike.replace(/[\(\)]/g, '')); return [parts[1], parts[2] || undefined, parts[3] || undefined]; }, parseV8OrIE: function ErrorStackParser$$parseV8OrIE(error) { var filtered = _filter(error.stack.split('\n'), function(line) { return !!line.match(CHROME_IE_STACK_REGEXP); }, this); return _map(filtered, function(line) { if (line.indexOf('(eval ') > -1) { // Throw away eval information until we implement stacktrace.js/stackframe#8 line = line.replace(/eval code/g, 'eval').replace(/(\(eval at [^\()]*)|(\)\,.*$)/g, ''); } var tokens = line.replace(/^\s+/, '').replace(/\(eval code/g, '(').split(/\s+/).slice(1); var locationParts = this.extractLocation(tokens.pop()); var functionName = tokens.join(' ') || undefined; var fileName = _indexOf(['eval', '<anonymous>'], locationParts[0]) > -1 ? undefined : locationParts[0]; return new StackFrame(functionName, undefined, fileName, locationParts[1], locationParts[2], line); }, this); }, parseFFOrSafari: function ErrorStackParser$$parseFFOrSafari(error) { var filtered = _filter(error.stack.split('\n'), function(line) { return !line.match(SAFARI_NATIVE_CODE_REGEXP); }, this); return _map(filtered, function(line) { // Throw away eval information until we implement stacktrace.js/stackframe#8 if (line.indexOf(' > eval') > -1) { line = line.replace(/ line (\d+)(?: > eval line \d+)* > eval\:\d+\:\d+/g, ':$1'); } if (line.indexOf('@') === -1 && line.indexOf(':') === -1) { // Safari eval frames only have function names and nothing else return new StackFrame(line); } else { var tokens = line.split('@'); var locationParts = this.extractLocation(tokens.pop()); var functionName = tokens.join('@') || undefined; return new StackFrame(functionName, undefined, locationParts[0], locationParts[1], locationParts[2], line); } }, this); }, parseOpera: function ErrorStackParser$$parseOpera(e) { if (!e.stacktrace || (e.message.indexOf('\n') > -1 && e.message.split('\n').length > e.stacktrace.split('\n').length)) { return this.parseOpera9(e); } else if (!e.stack) { return this.parseOpera10(e); } else { return this.parseOpera11(e); } }, parseOpera9: function ErrorStackParser$$parseOpera9(e) { var lineRE = /Line (\d+).*script (?:in )?(\S+)/i; var lines = e.message.split('\n'); var result = []; for (var i = 2, len = lines.length; i < len; i += 2) { var match = lineRE.exec(lines[i]); if (match) { result.push(new StackFrame(undefined, undefined, match[2], match[1], undefined, lines[i])); } } return result; }, parseOpera10: function ErrorStackParser$$parseOpera10(e) { var lineRE = /Line (\d+).*script (?:in )?(\S+)(?:: In function (\S+))?$/i; var lines = e.stacktrace.split('\n'); var result = []; for (var i = 0, len = lines.length; i < len; i += 2) { var match = lineRE.exec(lines[i]); if (match) { result.push( new StackFrame( match[3] || undefined, undefined, match[2], match[1], undefined, lines[i] ) ); } } return result; }, // Opera 10.65+ Error.stack very similar to FF/Safari parseOpera11: function ErrorStackParser$$parseOpera11(error) { var filtered = _filter(error.stack.split('\n'), function(line) { return !!line.match(FIREFOX_SAFARI_STACK_REGEXP) && !line.match(/^Error created at/); }, this); return _map(filtered, function(line) { var tokens = line.split('@'); var locationParts = this.extractLocation(tokens.pop()); var functionCall = (tokens.shift() || ''); var functionName = functionCall .replace(/<anonymous function(: (\w+))?>/, '$2') .replace(/\([^\)]*\)/g, '') || undefined; var argsRaw; if (functionCall.match(/\(([^\)]*)\)/)) { argsRaw = functionCall.replace(/^[^\(]+\(([^\)]*)\)$/, '$1'); } var args = (argsRaw === undefined || argsRaw === '[arguments not available]') ? undefined : argsRaw.split(','); return new StackFrame( functionName, args, locationParts[0], locationParts[1], locationParts[2], line); }, this); } }; }));