transform-console

0.0.5 • Public • Published

Transform-Console

A stream-based logger implemented as a transform to peek into arbitrary parts of complex stream pipelines.

Installation

Node.js

For Node.js, use npm:

npm install transform-console

..then require Transform-Console:

var TransformConsole = require('transform-console');

Quick Example

var myLogger = new TransformConsole({
    objectMode: true,
    console: {
        dataLogger: function(data) {
            console.log('myLogger -', data);
        },
        events: ['finish']
    }
});
 
myLogger.write({val: "testing"});
myLogger.write("testing");
myLogger.write([1, 2, 3]);
 
myLogger.end();

You will see the following logged to your console:

myLogger - { val: "testing" }
myLogger - "testing"
myLogger - [1, 2, 3]
finish

API

TransformConsole(options)

  • options Standard stream options object that can also include an optional console object. See below for more on the console object.
options.console

dataLogger Function(chunk, encoding)

Specify to log the contents of chunk (Object, Buffer, or string).

eventLogger Function(name, eventData)

Specify to log the events specified in the events array.

events Array of strings

List of events to listen for and log.

License - MIT

Copyright (C) 2013 Jon-Carlos Rivera

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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npm i transform-console

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Version

0.0.5

License

MIT

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