Grunt Livescript Mocha Example

grunt-livescript-mocha-example.js

/*global module:false*/
module.exports = function(grunt) {
  var log = grunt.log;
  //grunt.loadTasks('grunt/tasks');

  function handleResult(from, dest, err, stdout, code, done) {
    if(err){
      grunt.helper('growl', 'ERROR', stdout);
      log.writeln(from + ': failed to compile to ' + dest + '.');
      log.writeln(stdout);
      done(false);
    }else{
      log.writeln(from + ': compiled to ' + dest + '.');
      done(true);
    }
  };
 
  


  grunt.registerHelper('livescript_dir_to_dir', function(fromdir, dest, done) {
    var args = {
      cmd: 'livescript',
      args: [ '--compile', '--output', dest, fromdir ]
    };
    grunt.helper('exec', args, function(err, stdout, code){
      handleResult(fromdir, dest, err, stdout, code, done);
    });
  });
 
 
  grunt.registerMultiTask('livescript', 'compile livescripts', function() {
    var done = this.async();
    var files = this.data.files;
    var dir = this.data.dir;
    var dest = this.data.dest;
    // ex: ./coffee -> ./js
    if(dir) {
      
      // if destination was not defined, compile to same dir
      if(!dest) {
        dest = dir;
      }
 
      grunt.helper('livescript_dir_to_dir', dir, dest, done);
      return;
    }
 
    // ex: [ '1.coffee', '2.coffee' ] -> foo.js
    if(files) {
      grunt.helper('livescript_multi_to_one', files, dest, done);
      return;
    }
  });


  var exec = require('child_process').exec;
 
  // child_process.exec bridge
  grunt.registerHelper('exec', function(opts, done) {
    var command = opts.cmd + ' ' + opts.args.join(' ');
    exec(command, opts.opts, function(code, stdout, stderr) {
      if(!done){
        return;
      }
      if(code === 0) {
        done(null, stdout, code);
      } else {
        done(code, stderr, code);
      }
    });
  });
 
  grunt.registerMultiTask('mocha','Runs the mocha test suite',function(){
    var dir = this.data,
      command = 'mocha -R min '+dir,
      e = require('child_process').exec,
      done = this.async();


    e(command,function(err,stdout,stderr){
      log.writeln(stdout);
      log.writeln(stderr);
      done(true);
    })
  });


  grunt.registerHelper('growl', function(title, msg) {
    grunt.helper('exec', {
      cmd: 'growlnotify',
      args: [
        '-t', "'" + title + "'",
        '-m', "'" + msg + "'"
      ]
    });
  });
  // Project configuration.
  grunt.initConfig({
    watch: {
      files:"src/**/*.ls",
      tasks:"default"
    },  
    livescript:{
        compile:{
          dir:"src/"
          ,dest:"compiled/"
        }
    },
    mocha:{
      dir:"compiled/tests/*"
    }
  });
  

  // Default task.
  grunt.registerTask('default', 'livescript mocha');

};

I've update it for 0.4.0, the helper are deprecated

https://gist.github.com/francisl/7148756