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003fb53c9a
Previously a sync writable receiving chunks larger than highwatermark would unecessarily ping pong needDrain. PR-URL: https://github.com/nodejs/node/pull/32887 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
26 lines
613 B
JavaScript
26 lines
613 B
JavaScript
'use strict';
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const common = require('../common');
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const stream = require('stream');
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const assert = require('assert');
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const transform = new stream.Transform({
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transform: _transform,
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highWaterMark: 1
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});
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function _transform(chunk, encoding, cb) {
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process.nextTick(() => {
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assert.strictEqual(transform._writableState.needDrain, true);
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cb();
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});
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}
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assert.strictEqual(transform._writableState.needDrain, false);
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transform.write('asdasd', common.mustCall(() => {
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assert.strictEqual(transform._writableState.needDrain, false);
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}));
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assert.strictEqual(transform._writableState.needDrain, true);
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