miniwrite

Minimal semantic output writer

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miniwrite
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Minimal output-stream writer API.
A pluggable output writer interface/adapter to embed/expose in tools and reporters, also a simplified stream. This is not a logging framework or full console or stream replacement. Instead this is an abstraction to build on or expose in other tools. Intend as companion to ministyle (et al).

API

Main usage: ````js // simplified node.js.browser compatible console.log() var mw = miniwrite.console(); // write plain text line mw.writeln('hello world!'); ````

Helpers

Buffer writes: ````js // buffer own lines var mw = miniwrite.buffer(); // buffer other writes (handy for testing) var mw = miniwrite.buffer(myMiniWrite); // get buffer var str = mw.concat(); var str = mw.concat('\n\n', '\t'); // iterate buffer if you must mw.lines.forEach(function(line) {
//..
}) // clear buffer mw.clear(); ```` Adapter to buffer character writes via mw.write(chars), auto-flushes on newlines: ````js var mw = miniwrite.chars(miniwrite.console()); // write plain text line mw.write('hello'); mw.write(' '); mw.writeln('world!'); // "hello world\n" //or accumulate chars mw.write('one'); mw.write('two'); mw.flush(true); // onetwo // clear buffer mw.write('one'); mw.clear(); mw.write('two'); mw.flush(true); // two ```` Spread of multiple writers ````js var mw = miniwrite.multi(myANSIConsole, myRemoteSocket, myDiskLogger); mw.enabled = true; mw.targets.forEach(function(subw, num) {
// .. 
}); ```` Proxy to toggle stream or swap output target: ````js var mw = miniwrite.peek(myMiniWrite, callback); mw.enabled = true; mw.target = myOherWrite; mw.callback = function(line) {
// return string, or false to ignore
}); ```` Proxy to toggle stream or swap output target: ````js var mw = miniwrite.proxy(myMiniWrite); mw.enabled = true; mw.target = myOherWrite; mw.target = myOherWrite; ```` Convenience preset for grunt (same as in grunt ~0.4.1): ````js var mw = miniwrite.grunt(grunt); ````

Examples

Build your own: ````js var mw = {}; mw.writeln = function(line) {
myWebSocketHyperStream.send({line: line})
}; // pass to supporting tools awesomeModule.useMiniWritePlz(mw); ```` Tap into output ````js awesomeModule.writer = miniwrite.splitter(awesomeModule.writer, myMiniWrite); ````

Installation

```shell $ npm install miniwrite --save ```

History

  • 0.1.2 - Enabled strict mode, split in internal modules
  • 0.0.1 - Extracted code from existing projects

Build

Install development dependencies in your git checkout:
$ npm install
~Build and run tests:
$ grunt
See the Gruntfile.js for additional commands.

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt. Note: this is an opinionated module: please create a ticket to discuss any big ideas. Pull requests for bug fixes are of course always welcome.

License

Copyright (c) 2013 Bart van der Schoor Licensed under the MIT license.