Karma - Preprocessors

Preprocessors in Karma allow you to do some work with your files before they get served to the browser. These are configured in the preprocessors block of the configuration file: preprocessors: { '**/*.coffee': ['coffee'], '**/*.tea': ['coffee'], '**/*.html': ['html2js'] }, Note: There are multiple expressions referencing the "coffee" preprocessor in this example, as a preprocessor can be listed m