1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
const common = require('../common');const stream = require('stream');const assert = require('assert');
const transform = new stream.Transform({  transform: _transform,  highWaterMark: 1});
function _transform(chunk, encoding, cb) {  process.nextTick(() => {    assert.strictEqual(transform._writableState.needDrain, true);    cb();  });}
assert.strictEqual(transform._writableState.needDrain, false);
transform.write('asdasd', common.mustCall(() => {  assert.strictEqual(transform._writableState.needDrain, false);}));
assert.strictEqual(transform._writableState.needDrain, true);