src/core/longstacktraces/longstacktraces.js
var STACK_JUMP_SEPARATOR = 'From previous event:'; Function `makeStackTraceLong` has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Identical blocks of code found in 4 locations. Consider refactoring. function makeStackTraceLong(error, observable) { // If possible, transform the error stack trace by removing Node and RxJS // cruft, then concatenating with the stack trace of `observable`.Consider simplifying this complex logical expression. if (hasStacks && observable.stack && typeof error === 'object' && error !== null && error.stack && error.stack.indexOf(STACK_JUMP_SEPARATOR) === -1 ) { var stacks = []; for (var o = observable; !!o; o = o.source) { if (o.stack) { stacks.unshift(o.stack); } } stacks.unshift(error.stack); var concatedStacks = stacks.join('\n' + STACK_JUMP_SEPARATOR + '\n'); error.stack = filterStackString(concatedStacks); } } Identical blocks of code found in 4 locations. Consider refactoring. function filterStackString(stackString) { var lines = stackString.split('\n'), desiredLines = []; for (var i = 0, len = lines.length; i < len; i++) { var line = lines[i]; if (!isInternalFrame(line) && !isNodeFrame(line) && line) { desiredLines.push(line); } } return desiredLines.join('\n'); } Identical blocks of code found in 4 locations. Consider refactoring. function isInternalFrame(stackLine) { var fileNameAndLineNumber = getFileNameAndLineNumber(stackLine); if (!fileNameAndLineNumber) { return false; } var fileName = fileNameAndLineNumber[0], lineNumber = fileNameAndLineNumber[1]; return fileName === rFileName && lineNumber >= rStartingLine && lineNumber <= rEndingLine; } function isNodeFrame(stackLine) { return stackLine.indexOf('(module.js:') !== -1 || stackLine.indexOf('(node.js:') !== -1; } Function `captureLine` has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Identical blocks of code found in 4 locations. Consider refactoring. function captureLine() { if (!hasStacks) { return; } try { throw new Error(); } catch (e) { var lines = e.stack.split('\n'); var firstLine = lines[0].indexOf('@') > 0 ? lines[1] : lines[2]; var fileNameAndLineNumber = getFileNameAndLineNumber(firstLine); if (!fileNameAndLineNumber) { return; } rFileName = fileNameAndLineNumber[0]; return fileNameAndLineNumber[1]; } } Identical blocks of code found in 3 locations. Consider refactoring. function getFileNameAndLineNumber(stackLine) { // Named functions: 'at functionName (filename:lineNumber:columnNumber)' var attempt1 = /at .+ \((.+):(\d+):(?:\d+)\)$/.exec(stackLine); if (attempt1) { return [attempt1[1], Number(attempt1[2])]; } // Anonymous functions: 'at filename:lineNumber:columnNumber' var attempt2 = /at ([^ ]+):(\d+):(?:\d+)$/.exec(stackLine); if (attempt2) { return [attempt2[1], Number(attempt2[2])]; } // Firefox style: 'function@filename:lineNumber or @filename:lineNumber' var attempt3 = /.*@(.+):(\d+)$/.exec(stackLine); if (attempt3) { return [attempt3[1], Number(attempt3[2])]; } }