Projektstart

backend/node_modules/pino-std-serializers/lib/err.js

@@ -0,0 +1,45 @@
+'use strict'
+
+module.exports = errSerializer
+
+const { messageWithCauses, stackWithCauses, isErrorLike } = require('./err-helpers')
+const { pinoErrProto, pinoErrorSymbols } = require('./err-proto')
+const { seen } = pinoErrorSymbols
+
+const { toString } = Object.prototype
+
+function errSerializer (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 = messageWithCauses(err)
+  _err.stack = stackWithCauses(err)
+
+  if (Array.isArray(err.errors)) {
+    _err.aggregateErrors = err.errors.map(err => errSerializer(err))
+  }
+
+  for (const key in err) {
+    if (_err[key] === undefined) {
+      const val = err[key]
+      if (isErrorLike(val)) {
+        // We append cause messages and stacks to _err, therefore skipping causes here
+        if (key !== 'cause' && !Object.prototype.hasOwnProperty.call(val, seen)) {
+          _err[key] = errSerializer(val)
+        }
+      } else {
+        _err[key] = val
+      }
+    }
+  }
+
+  delete err[seen] // clean up tag in case err is serialized again later
+  _err.raw = err
+  return _err
+}