var Metalsmith = require('metalsmith'); var filter = require('metalsmith-filter'); var writemetadata = require('metalsmith-writemetadata'); var regex = '**/*-variables.sass'; // var regex = '**/*.sass'; var plugin = require('./read-sass-variables'); Metalsmith(__dirname) .source('../../sass') .destination('./output') .clean(true) .use(filter(regex)) .use(plugin()) .use(writemetadata()) .build(function(err) { if (err) throw err; });