Load multiple grunt plugins by reading package.json

gistfile1.txt

var loadPackageTasks = function (/* String */ prefix, /* Array */ tasks) {

    prefix = prefix || 'grunt-';
    tasks = tasks || grunt.file.readJSON('package.json') || [];

    var prefixLen = prefix.length;

    if (_.isObject(tasks)) {
        tasks = tasks.devDependencies || tasks;
        tasks = Object.keys(tasks);
    }

    // filter out tasks which do not meet the import
    // criteria based on prefix defined
    tasks.filter(function (/* String */ task) {
        var match = task.substr(0, prefixLen) === prefix || false;
        return match;
    }).forEach(function (/* String */ task) {
        grunt.loadNpmTasks(task);
    });

};