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Bytes go in, but they don't come out (when muted).
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README.md

mute-stream

Bytes go in, but they don't come out (when muted).

This is a basic pass-through stream, but when muted, the bytes are silently dropped, rather than being passed through.

Usage

var MuteStream = require('mute-stream')

var ms = new MuteStream(options)

ms.pipe(process.stdout)
ms.write('foo') // writes 'foo' to stdout
ms.mute()
ms.write('bar') // does not write 'bar'
ms.unmute()
ms.write('baz') // writes 'baz' to stdout

// can also be used to mute incoming data
var ms = new MuteStream
input.pipe(ms)

ms.on('data', function (c) {
  console.log('data: ' + c)
})

input.emit('data', 'foo') // logs 'foo'
ms.mute()
input.emit('data', 'bar') // does not log 'bar'
ms.unmute()
input.emit('data', 'baz') // logs 'baz'

Options

All options are optional.

  • replace Set to a string to replace each character with the specified string when muted. (So you can show **** instead of the password, for example.)

ms.mute()

Set muted to true. Turns .write() into a no-op.

ms.unmute()

Set muted to false

ms.isTTY

True if the pipe destination is a TTY, or if the incoming pipe source is a TTY.

Other stream methods...

The other standard readable and writable stream methods are all available. The MuteStream object acts as a facade to its pipe source and destination.

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