daruk-cli/src/lib/generate/render.js

init Daruk repository with template

const async = require('async')
const multimatch = require('multimatch')
const render = require('consolidate').handlebars.render

/**
 * Template in place plugin.
 *
 * @param {Object} files
 * @param {Metalsmith} metalsmith
 * @param {Function} done
 */
module.exports = function (skipInterpolation) {
  skipInterpolation = typeof skipInterpolation === 'string'
    ? [skipInterpolation]
    : skipInterpolation
  return (files, metalsmith, done) => {
    const keys = Object.keys(files)
    const metalsmithMetadata = metalsmith.metadata()
    async.each(keys, (file, next) => {
      // skipping files with skipInterpolation option
      if (skipInterpolation && multimatch([file], skipInterpolation, { dot: true }).length) {
        return next()
      }
      const str = files[file].contents.toString()
      // do not attempt to render files that do not have mustaches
      if (!/{{([^{}]+)}}/g.test(str)) {
        return next()
      }
      render(str, metalsmithMetadata, (err, res) => {
        if (err) {
          err.message = `[${file}] ${err.message}`
          return next(err)
        }
        // eslint-disable-next-line
        files[file].contents = new Buffer(res)
        next()
      })
    }, done)
  }
}