readable.unpipe([destination])
-
destination
<stream.Writable> 可选的要取消管道的特定流¥
destination
<stream.Writable> Optional specific stream to unpipe -
返回:<this>
¥Returns: <this>
readable.unpipe()
方法分离先前使用 stream.pipe()
方法附加的 Writable
流。
¥The readable.unpipe()
method detaches a Writable
stream previously attached
using the stream.pipe()
method.
如果未指定 destination
,则分离所有管道。
¥If the destination
is not specified, then all pipes are detached.
如果指定了 destination
,但没有为其设置管道,则该方法不执行任何操作。
¥If the destination
is specified, but no pipe is set up for it, then
the method does nothing.
const fs = require('node:fs');
const readable = getReadableStreamSomehow();
const writable = fs.createWriteStream('file.txt');
// All the data from readable goes into 'file.txt',
// but only for the first second.
readable.pipe(writable);
setTimeout(() => {
console.log('Stop writing to file.txt.');
readable.unpipe(writable);
console.log('Manually close the file stream.');
writable.end();
}, 1000);