Created
April 14, 2022 04:40
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Script to trace every console.log / warn / error and process.stdout.write after it executes (process.stdout part only for nodejs context)
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['log', 'warn', 'error'].forEach((methodName) => { | |
// @ts-ignore | |
const originalMethod = console[methodName]; | |
// @ts-ignore | |
console[methodName] = (...args) => { | |
let initiator = 'unknown place'; | |
try { | |
throw new Error(); | |
} catch (e) { | |
// @ts-ignore | |
initiator = e.stack.substring(e.stack.indexOf('\n')+1);//e.stack.split('\n').slice(1).join('\n'); | |
} | |
originalMethod.apply(console, [methodName, ...args, '\n', ` at ${initiator}`]); | |
}; | |
}); | |
if (typeof process === 'object' && typeof process.stdout === 'object') { | |
// @ts-ignore | |
const originalMethod = process.stdout["write"]; | |
// @ts-ignore | |
process.stdout["write"] = (...args) => { | |
originalMethod.call(process.stdout, args[0]); | |
let initiator = 'unknown place'; | |
try { | |
throw new Error(); | |
} catch (e) { | |
// @ts-ignore | |
initiator = e.stack.substring(e.stack.indexOf('\n')+1);//e.stack.split('\n').slice(1).join('\n'); | |
} | |
originalMethod.call(process.stdout, `${(args[0][args[0].length-1] === '\n') ? '\n' : ''}${initiator}\n`); | |
}; | |
} |
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