stacktracey

import StackTracey from 'stacktracey'; async function demonstrateStackTracey() { try { // Simulate an error to capture its stack const divideByZero = () => { throw new Error('Cannot divide by zero!'); }; divideByZero(); } catch (error) { console.log('--- Original Error Stack ---'); console.error(error.stack); // Create a StackTracey instance from the error let stack = new StackTracey(error); console.log('\n--- Parsed StackTracey Items (first 2) ---'); stack.items.slice(0, 2).forEach((item, index) => { console.log(`Item ${index}:`, { callee: item.callee, fileRelative: item.fileRelative, line: item.line, column: item.column, thirdParty: item.thirdParty }); }); // Fetch sources asynchronously (recommended for browsers and Node for non-blocking I/O) console.log('\n--- Fetching sources asynchronously ---'); const stackWithSources = await stack.withSourcesAsync(); const topItem = stackWithSources.items[0]; if (topItem.sourceFile) { console.log(`\nSource for top frame (${topItem.fileShort}:${topItem.line}):`); console.log(topItem.sourceFile.text.split('\n')[topItem.line - 1].trim()); } else { console.log('Source not available for the top frame.'); } // Pretty print the stack console.log('\n--- Pretty-printed StackTracey ---'); console.log(stackWithSources.pretty); } } demonstrateStackTracey().catch(console.error);