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Run JSLint from the command line under Node.js
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README.md

nodelint

  • Node is a V8 based framework for writing Javascript applications outside the browser.

  • JSLint is a code quality tool that checks for problems in Javascript programs.

  • nodelint lets you run JSLint from the command line.

  • nodelint currently supports node version 0.2.1

installation

npm:

$ npm install nodelint

usage

You can use nodelint directly if you have node in your $PATH:

$ ./nodelint path/to/your/file.js

Or if you installed it using npm:

$ nodelint path/to/your/file.js

Otherwise, you need to run it with node:

$ node nodelint path/to/your/file.js

You can also specify a directory param and nodelint will find all .js files under that directory and its subdirectories:

$ node nodelint dir1/ dir2/

Enjoy!

config

You can set JSLint options by modifying the default config.js file or even override the default config by passing another config file with the optional --config parameter, e.g.

$ nodelint file1 file2 dir1 dir2 --config path/to/your/config/file.js

For example, if the default config.js has:

var options = {
    adsafe       : false,
    bitwise      : true,
    error_prefix : "\u001b[1m",
    error_suffix : ":\u001b[0m "
};

And your own path/to/your/config/file.js looks like:

var options = {
    bitwise      : false,
    browser      : false
};

Then the final options used will be:

var options = {
    adsafe       : false,
    bitwise      : false,
    browser      : false,
    error_prefix : "\u001b[1m",
    error_suffix : ":\u001b[0m "
};

Take a look at JSLint's Options to see what to put in the options variable.

reporters

By default nodelint uses an internal reporter function to output it's results to the console. For basic use it's possible to alter the error_prefix and error_suffix colors within your config.js file. This will prepend or append coloring information to the results when JSLint complains about your code. There may be times when a more customizable reporting system might be needed (i.e. IDE/Text Editor integrations or customized console outputs).

nodelint allows you to designate a custom reporter for outputting the results from JSLint's run. This reporter function will override the default function built into nodelint. To utilize a custom reporter first create a js file that has a function in it named reporter:

example-reporter.js:

var sys = require('sys');

function reporter(results) {
    var len = results.length;
    sys.puts(len + ' error' + ((len === 1) ? '' : 's'));
}

Then when you run nodelint from the command line, pass in the customized reporter:

$ ./nodelint path/to/file.js --reporter path/to/file/example-reporter.js

For brevity sake, this is a fairly simple reporter. For more elaborate examples see the examples/reporters/ directory or examples/textmate/.

The sample XML reporter examples\reporters\xml.js produces reports which can also be integrated with a Continuous Integration server like Hudson using the Violations Plugin.

Please see the wiki for integration with various editors.

contribute

To contribute any patches, simply fork this repository using GitHub and send a pull request to me <http://github.com/tav>. Thanks!

credits

  • tav, wrote nodelint

  • Felix Geisendörfer, clarified Node.js specific details

  • Douglas Crockford, wrote the original JSLint and rhino.js runner

  • Nathan Landis, updated nodelint to Node's new API.

  • Oleg Efimov, added support for overridable configurations, running nodelint from a symlink and updates to reflect Node.js API changes.

  • Matthew Kitt, added support for configurable reporters, various code cleanups and improvements including updates to reflect Node.js API changes.

  • Corey Hart, updated nodelint with multiple files and config support.

  • Mamading Ceesay, added support for using nodelint within Emacs.

  • Matt Ranney, updated nodelint to use sys.error.

  • Cliffano Subagio, added npm installation support, XML reporter, and directory param support.

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