mote grunt task

grunt.js

/*global config:true, task:true*/
config.init({
    options: {
        templates: {
            namespace: "tmpl",
            dir: 'templates'
        }
    },
    pkg: '<json:package.json>',
    test: {
      files: ['test/**/*.js']
    },
    lint: {
      files: ['grunt.js', 'lib/**/*.js', 'test/**/*.js']
    },
    watch: {
      files: 'templates/**/*.mote',
      tasks: 'default'
    },
    templates: {
        'public/javascripts/templates.js': ['templates/**/*.mote']
    },
    jshint: {
      options: {
        curly: true,
        eqeqeq: true,
        immed: true,
        latedef: true,
        newcap: true,
        noarg: true,
        sub: true,
        undef: true,
        boss: true,
        eqnull: true,
        node: true
      },
      globals: {}
    }
});

// Default task.
task.registerTask('default', 'templates');


// Mote Templates
//----------------

var mote = require('mote');

task.registerBasicTask('templates',
    'Compile templates', function(data, name) {
    var namespace = config("options.templates.namespace") || "tmpl",
        baseDir = config("options.templates.dir") || "templates";
        
    var files = file.expand(data);
    
    data.forEach(function(file) {
        log.writeln(file);
    });
    
    // Create tmpl file.
    file.write(name, task.helper("mote", files, namespace, baseDir));
    
    // Fail task if errors were logged.
    if (task.hadErrors()) { return false; }

    // Otherwise, print a success message.
    log.writeln('Templates successfully compiled.');
});

// Much of this is ripped from backbone boilerplate JST helper
// https://github.com/tbranyen/backbone-boilerplate/blob/master/build/tasks/jst/jst.js
task.registerHelper('mote', function(files, namespace, baseDir) {
    namespace = "this['" + namespace + "']";
    // Comes out looking like this["tmpl"] = this["tmpl"] || {};
    var contents = namespace + " = " + namespace + " || {};\n\n";
    
    contents += files ? files.map(function(filepath) {
        // log.writeln(file.read(filepath));
        var templateString = file.read(filepath)
                .replace(/\\/g, '\\\\')
                .replace(/"/g, '\\"')
                .replace(/\r/g, '\\r')
                .replace(/\n/g, '\\n')
                .replace(/\t/g, '\\t'),
            templateFn = 'mote.compile("' + templateString + '");',
            templateName = filepath
                .replace(baseDir + '/', '')
                .replace('.mote', ''),
            partialFn = 'mote.compilePartial("' + templateName + '", "' +
                templateString + '");';
        log.writeln(templateFn);
        return namespace + "['" + templateName + "'] = " + templateFn + '\n' +
            partialFn;
    }).join("\n\n") : "";
    
    return contents;
});