This is a java wrapper around the fabulous tool by Douglas Crockford, jslint. It provides a simple interface for detecting potential problems in JavaScript code.

The usage is simple:

  % java -jar jslint4java-1.3.1.jar application.js
  jslint:application.js:11:9:Line breaking error ')'.
  jslint:application.js:11:10:Missing semicolon.

There are a multitude of options; try --help for more details.

You might also be interested in the ant task. This lets you run jslint as part of your builds. For documentation, see the jslint4java-ant page. If you find this useful, you may also like the jsmin ant task for reducing the size of your JavaScript files.

News

2009-07-31. jslint4java 1.3.1 is released. This release fixes:

• Improved support for NetBeans thanks to Ari Shamash!
• Correct line numbers (previously off by one).
• The ant task now states the full path to the file being checked.
• The build failure now includes the total number of errors found.
• Updated to JSLint 2009-07-25.

2009-07-23. jslint4java 1.3 is released. This release features:

• An upgrade to jslint 2009-07-08.
• The indent option is now supported.
• Add getEdition() call.
• The ant task can now work with any kind of nested resource, not just files.
• Improved documentation.
• The build system has been switched to maven. This means jslint4java is now available as a maven dependency:

<dependency>
  <groupId>com.googlecode.jslint4java</groupId>
  <artifactId>jslint4java</artifactId>
  <version>1.3</version>
</dependency>

NB: The package names have changed from net.happygiraffe.jslint to com.googlecode.jslint4java. The most likely place this will affect you is if you are using the antlib support.

2008-12-23. Development of the code has moved to github. Feel free to visit http://github.com/happygiraffe/jslint4java or:

$ git clone git://github.com/happygiraffe/jslint4java.git

2008-09-07. jslint4java 1.2.1 was released.

• Recompiled with Java 5 instead of Java 6.

2008-09-07. jslint4java 1.2 was released.

• Update to latest version of jslint.
• Rework the ant task to be more flexible.