 
 gulp.task "preview", (cb)->
   return runSequence  ['build:clean', 'js:clean'],
-                      ['css:build','js:build','img:make:previews'],
+                      ['css:build','js:build'],
                       'build_wintersmith',
+                      'webp:make',
                       'css:clean',
                       cb
 

size = require 'gulp-size'
rename = require 'gulp-rename'
imagemin = require 'gulp-imagemin'

# =================================================================                      
# high level tasks

    .pipe(gulp.dest('./'))

gulp.task 'webp:make', ->
  return gulp.src('./build/media/images/**/*.{jpg,png}',{base: './'})
    .pipe plumber()
    .pipe size()
    .pipe webp
