stream: catch and forward error from dest.write

PR-URL: https://github.com/nodejs/node/pull/55270
Fixes: https://github.com/nodejs/node/issues/54945
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
pull/56317/head
jakecastelli 2024-12-19 22:19:34 +10:30 committed by GitHub
parent 0675e05a04
commit fd8de670da
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2 changed files with 82 additions and 4 deletions

View File

@ -1004,10 +1004,15 @@ Readable.prototype.pipe = function(dest, pipeOpts) {
src.on('data', ondata);
function ondata(chunk) {
debug('ondata');
const ret = dest.write(chunk);
debug('dest.write', ret);
if (ret === false) {
pause();
try {
const ret = dest.write(chunk);
debug('dest.write', ret);
if (ret === false) {
pause();
}
} catch (error) {
dest.destroy(error);
}
}

View File

@ -0,0 +1,73 @@
'use strict';
const common = require('../common');
const assert = require('node:assert');
const { Readable, Transform, Writable } = require('node:stream');
// Pipeine objects from object mode to non-object mode should throw an error and
// catch by the consumer
{
const objectReadable = Readable.from([
{ hello: 'hello' },
{ world: 'world' },
]);
const passThrough = new Transform({
transform(chunk, _encoding, cb) {
this.push(chunk);
cb(null);
},
});
passThrough.on('error', common.mustCall());
objectReadable.pipe(passThrough);
assert.rejects(async () => {
// eslint-disable-next-line no-unused-vars
for await (const _ of passThrough);
}, /ERR_INVALID_ARG_TYPE/).then(common.mustCall());
}
// The error should be properly forwarded when the readable stream is in object mode,
// the writable stream is in non-object mode, and the data is string.
{
const stringReadable = Readable.from(['hello', 'world']);
const passThrough = new Transform({
transform(chunk, _encoding, cb) {
this.push(chunk);
throw new Error('something went wrong');
},
});
passThrough.on('error', common.mustCall((err) => {
assert.strictEqual(err.message, 'something went wrong');
}));
stringReadable.pipe(passThrough);
}
// The error should be properly forwarded when the readable stream is in object mode,
// the writable stream is in non-object mode, and the data is buffer.
{
const binaryData = Buffer.from('binary data');
const binaryReadable = new Readable({
read() {
this.push(binaryData);
this.push(null);
}
});
const binaryWritable = new Writable({
write(chunk, _encoding, cb) {
throw new Error('something went wrong');
}
});
binaryWritable.on('error', common.mustCall((err) => {
assert.strictEqual(err.message, 'something went wrong');
}));
binaryReadable.pipe(binaryWritable);
}