203 lines
8.5 KiB
JavaScript
203 lines
8.5 KiB
JavaScript
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(function(root, factory) {
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'use strict';
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// Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.
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/* istanbul ignore next */
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if (typeof define === 'function' && define.amd) {
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define('error-stack-parser', ['stackframe'], factory);
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} else if (typeof exports === 'object') {
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module.exports = factory(require('stackframe'));
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} else {
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root.ErrorStackParser = factory(root.StackFrame);
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}
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}(this, function ErrorStackParser(StackFrame) {
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'use strict';
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var FIREFOX_SAFARI_STACK_REGEXP = /(^|@)\S+:\d+/;
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var CHROME_IE_STACK_REGEXP = /^\s*at .*(\S+:\d+|\(native\))/m;
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var SAFARI_NATIVE_CODE_REGEXP = /^(eval@)?(\[native code])?$/;
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return {
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/**
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* Given an Error object, extract the most information from it.
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*
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* @param {Error} error object
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* @return {Array} of StackFrames
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*/
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parse: function ErrorStackParser$$parse(error) {
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if (typeof error.stacktrace !== 'undefined' || typeof error['opera#sourceloc'] !== 'undefined') {
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return this.parseOpera(error);
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} else if (error.stack && error.stack.match(CHROME_IE_STACK_REGEXP)) {
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return this.parseV8OrIE(error);
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} else if (error.stack) {
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return this.parseFFOrSafari(error);
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} else {
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throw new Error('Cannot parse given Error object');
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}
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},
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// Separate line and column numbers from a string of the form: (URI:Line:Column)
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extractLocation: function ErrorStackParser$$extractLocation(urlLike) {
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// Fail-fast but return locations like "(native)"
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if (urlLike.indexOf(':') === -1) {
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return [urlLike];
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}
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var regExp = /(.+?)(?::(\d+))?(?::(\d+))?$/;
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var parts = regExp.exec(urlLike.replace(/[()]/g, ''));
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return [parts[1], parts[2] || undefined, parts[3] || undefined];
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},
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parseV8OrIE: function ErrorStackParser$$parseV8OrIE(error) {
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var filtered = error.stack.split('\n').filter(function(line) {
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return !!line.match(CHROME_IE_STACK_REGEXP);
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}, this);
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return filtered.map(function(line) {
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if (line.indexOf('(eval ') > -1) {
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// Throw away eval information until we implement stacktrace.js/stackframe#8
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line = line.replace(/eval code/g, 'eval').replace(/(\(eval at [^()]*)|(,.*$)/g, '');
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}
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var sanitizedLine = line.replace(/^\s+/, '').replace(/\(eval code/g, '(').replace(/^.*?\s+/, '');
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// capture and preseve the parenthesized location "(/foo/my bar.js:12:87)" in
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// case it has spaces in it, as the string is split on \s+ later on
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var location = sanitizedLine.match(/ (\(.+\)$)/);
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// remove the parenthesized location from the line, if it was matched
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sanitizedLine = location ? sanitizedLine.replace(location[0], '') : sanitizedLine;
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// if a location was matched, pass it to extractLocation() otherwise pass all sanitizedLine
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// because this line doesn't have function name
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var locationParts = this.extractLocation(location ? location[1] : sanitizedLine);
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var functionName = location && sanitizedLine || undefined;
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var fileName = ['eval', '<anonymous>'].indexOf(locationParts[0]) > -1 ? undefined : locationParts[0];
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return new StackFrame({
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functionName: functionName,
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fileName: fileName,
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lineNumber: locationParts[1],
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columnNumber: locationParts[2],
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source: line
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});
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}, this);
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},
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parseFFOrSafari: function ErrorStackParser$$parseFFOrSafari(error) {
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var filtered = error.stack.split('\n').filter(function(line) {
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return !line.match(SAFARI_NATIVE_CODE_REGEXP);
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}, this);
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return filtered.map(function(line) {
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// Throw away eval information until we implement stacktrace.js/stackframe#8
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if (line.indexOf(' > eval') > -1) {
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line = line.replace(/ line (\d+)(?: > eval line \d+)* > eval:\d+:\d+/g, ':$1');
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}
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if (line.indexOf('@') === -1 && line.indexOf(':') === -1) {
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// Safari eval frames only have function names and nothing else
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return new StackFrame({
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functionName: line
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});
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} else {
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var functionNameRegex = /((.*".+"[^@]*)?[^@]*)(?:@)/;
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var matches = line.match(functionNameRegex);
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var functionName = matches && matches[1] ? matches[1] : undefined;
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var locationParts = this.extractLocation(line.replace(functionNameRegex, ''));
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return new StackFrame({
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functionName: functionName,
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fileName: locationParts[0],
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lineNumber: locationParts[1],
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columnNumber: locationParts[2],
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source: line
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});
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}
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}, this);
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},
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parseOpera: function ErrorStackParser$$parseOpera(e) {
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if (!e.stacktrace || (e.message.indexOf('\n') > -1 &&
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e.message.split('\n').length > e.stacktrace.split('\n').length)) {
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return this.parseOpera9(e);
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} else if (!e.stack) {
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return this.parseOpera10(e);
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} else {
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return this.parseOpera11(e);
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}
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},
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parseOpera9: function ErrorStackParser$$parseOpera9(e) {
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var lineRE = /Line (\d+).*script (?:in )?(\S+)/i;
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var lines = e.message.split('\n');
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var result = [];
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for (var i = 2, len = lines.length; i < len; i += 2) {
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var match = lineRE.exec(lines[i]);
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if (match) {
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result.push(new StackFrame({
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fileName: match[2],
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lineNumber: match[1],
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source: lines[i]
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}));
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}
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}
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return result;
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},
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parseOpera10: function ErrorStackParser$$parseOpera10(e) {
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var lineRE = /Line (\d+).*script (?:in )?(\S+)(?:: In function (\S+))?$/i;
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var lines = e.stacktrace.split('\n');
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var result = [];
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for (var i = 0, len = lines.length; i < len; i += 2) {
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var match = lineRE.exec(lines[i]);
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if (match) {
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result.push(
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new StackFrame({
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functionName: match[3] || undefined,
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fileName: match[2],
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lineNumber: match[1],
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source: lines[i]
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})
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);
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}
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}
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return result;
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},
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// Opera 10.65+ Error.stack very similar to FF/Safari
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parseOpera11: function ErrorStackParser$$parseOpera11(error) {
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var filtered = error.stack.split('\n').filter(function(line) {
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return !!line.match(FIREFOX_SAFARI_STACK_REGEXP) && !line.match(/^Error created at/);
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}, this);
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return filtered.map(function(line) {
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var tokens = line.split('@');
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var locationParts = this.extractLocation(tokens.pop());
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var functionCall = (tokens.shift() || '');
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var functionName = functionCall
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.replace(/<anonymous function(: (\w+))?>/, '$2')
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.replace(/\([^)]*\)/g, '') || undefined;
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var argsRaw;
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if (functionCall.match(/\(([^)]*)\)/)) {
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argsRaw = functionCall.replace(/^[^(]+\(([^)]*)\)$/, '$1');
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}
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var args = (argsRaw === undefined || argsRaw === '[arguments not available]') ?
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undefined : argsRaw.split(',');
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return new StackFrame({
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functionName: functionName,
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args: args,
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fileName: locationParts[0],
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lineNumber: locationParts[1],
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columnNumber: locationParts[2],
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source: line
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});
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}, this);
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}
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};
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}));
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