html.js

var gulp = require('gulp'),
    htmlmin = require('gulp-htmlmin'),
    rename = require('gulp-rename'),
    notify   = require('gulp-notify'),
    mustache = require('gulp-mustache'),
    mustache_vars = require('../../source/data/mustache_vars.json');

gulp.task('html', function() {
  var source = './source/templates/*.mustache',
      destination = './deploy',
      htmlmin_config = {
        removeComments: true,
        collapseWhitespace: true
      };

  return gulp.src(source)
    .pipe(mustache(mustache_vars,{},{}))
    .pipe(htmlmin(htmlmin_config))
    .pipe(rename({extname: '.html'}))
    .pipe(gulp.dest(destination))
    .pipe(notify({ message: 'HTML built & minified' }));
});