karma-jshint-preprocessor

A Karma plugin. Check Syntax of JavaScript using JSHint.

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karma-jshint-preprocessor
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Preprocessor / Plugin for Karma to check JavaScript syntax on the fly.

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Installation

The easiest way is to keep karma-jshint-preprocessor as a devDependency in your package.json.
{
  "devDependencies": {
    "karma": "~0.10",
    "karma-jshint-preprocessor": "~0.1"
  }
}

You can simply do it by:
npm install karma-jshint-preprocessor --save-dev

Usage

In your karma.conf.js file, specify the files you want to have lint'ed in the preprocessor section like this.
...
preprocessors: {
  '*.js': ['jshint']
}
...

Optional jshintrc

Read an optional jshintrc property from the karma config to force a .jshintrc file to be used by jshint.
module.exports = function (config) {
  config.set({
    // ...
    jshintPreprocessor: {
      jshintrc: './.jshintrc'
    },
    // ...
  });
};

Thanks to Kl0tl for adding jshintrc path support.
JSHint configuration is read from a JSON formatted .jshintrc file within your project

Cancel build

Cancel the current build if a linting error has occurred. This can be useful on CI servers.
module.exports = function (config) {
  config.set({
    // ...
    jshintPreprocessor: {
      stopOnError: true
    },
    // ...
  });
};
Example .jshintrc file.
{
    "undef": true,
    "globals": {
        "angular": true
    }
}

View the full list of JSHint optionsjshint options.
For more information on Karma see the karma homepage.