The JsMinTask minifies JavaScript files using JShrink,
                which can be installed using composer (Phing will try
                to use the composer autoloader)
Table C.51: Attributes
| Name | Type | Description | Default | Required | 
|---|---|---|---|---|
| targetDir | String | Path where to store minified JavaScript files | none | Yes | 
| suffix | String | Suffix to append to the filenames. | -min | No | 
| failonerror | Boolean | Whether an error while minifying a JavaScript file should stop the build or not | false | No | 
<jsMin targetDir="docroot/script/minified" failOnError="false">
  <fileset dir="docroot/script">
    <include name="**/*.js"/>
  </fileset>
</jsMin>
        JavaScript files to be minified.