Wintersmith integration with Gulp

gulpfile.js

'use strict';

var gulp = require('gulp'),
    wintersmith = require('wintersmith'),
    env = wintersmith('./config.json');

gulp.task('build', function() {
    return env.build();
});

gulp.task('preview', function() {
    return env.preview(function(error, preview) {
        if (error) throw Error();
    });
});