Task for building LESS files using LESSPHP

lessphp-grunt-task.js

module.exports = function(grunt) {
    'use strict';

    var execSync = require('exec-sync');

    grunt.initConfig({
        lessphp: {
            files: {
                'path/to/source.less': 'path/to/compiled.css',
            }
        }
    }

    grunt.registerTask('lessphp', function () {
        var source;
        var destination;

        console.log('Building less...');

        for (source in grunt.config.data.lessphp.files) {
            destination = grunt.config.data.lessphp.files[source];
            execSync('/path/to/bin/compile-less ' + source + ' ' + destination);

            console.log('Compiled ' + source + ' into ' + destination);
        }
    });
};