5 function destroy(err, cb) {  argument
17   if (err) {
18     // Avoid V8 leak, https://github.com/nodejs/node/pull/34103#issuecomment-652002364
19     err.stack; // eslint-disable-line no-unused-expressions
22       w.errored = err;
25       r.errored = err;
30   // to make it re-entrance safe in case destroy() is called within callbacks
39   this._destroy(err || null, (err) => {
40     if (err) {
41       // Avoid V8 leak, https://github.com/nodejs/node/pull/34103#issuecomment-652002364
42       err.stack; // eslint-disable-line no-unused-expressions
45         w.errored = err;
48         r.errored = err;
60       cb(err);
63     if (err) {
64       process.nextTick(emitErrorCloseNT, this, err);
73 function emitErrorCloseNT(self, err) {  argument
74   emitErrorNT(self, err);
91 function emitErrorNT(self, err) {  argument
106   self.emit('error', err);
138 function errorOrDestroy(stream, err, sync) {  argument
141   // For now when you opt-in to autoDestroy we allow
153     stream.destroy(err);
154   else if (err) {
155     // Avoid V8 leak, https://github.com/nodejs/node/pull/34103#issuecomment-652002364
156     err.stack; // eslint-disable-line no-unused-expressions
159       w.errored = err;
162       r.errored = err;
166       process.nextTick(emitErrorNT, stream, err);
168       emitErrorNT(stream, err);
178 function destroyer(stream, err) {  argument
181   if (typeof stream.destroy === 'function') return stream.destroy(err);