Files
infocom-systems-design/node_modules/pino-std-serializers/lib/err-with-cause.js
2025-10-03 22:27:28 +03:00

49 lines
1.2 KiB
JavaScript

'use strict'
module.exports = errWithCauseSerializer
const { isErrorLike } = require('./err-helpers')
const { pinoErrProto, pinoErrorSymbols } = require('./err-proto')
const { seen } = pinoErrorSymbols
const { toString } = Object.prototype
function errWithCauseSerializer (err) {
if (!isErrorLike(err)) {
return err
}
err[seen] = undefined // tag to prevent re-looking at this
const _err = Object.create(pinoErrProto)
_err.type = toString.call(err.constructor) === '[object Function]'
? err.constructor.name
: err.name
_err.message = err.message
_err.stack = err.stack
if (Array.isArray(err.errors)) {
_err.aggregateErrors = err.errors.map(err => errWithCauseSerializer(err))
}
if (isErrorLike(err.cause) && !Object.prototype.hasOwnProperty.call(err.cause, seen)) {
_err.cause = errWithCauseSerializer(err.cause)
}
for (const key in err) {
if (_err[key] === undefined) {
const val = err[key]
if (isErrorLike(val)) {
if (!Object.prototype.hasOwnProperty.call(val, seen)) {
_err[key] = errWithCauseSerializer(val)
}
} else {
_err[key] = val
}
}
}
delete err[seen] // clean up tag in case err is serialized again later
_err.raw = err
return _err
}