propertext-mold/index.js

Render propertext files with Mold templates

var { basename, dirname, extname, join } = require('path')
var Mold = require('mold-template')
var fs = require('fs')
var ptext = require('propertext')

module.exports = function mold (layouts, opts = {}) {
  var self = new Mold(opts.globals)

  return function (file) {
    var props = ptext(String(file.contents))

    if (props.layout) {
      file.path = rewrite(file.path, props)
      file.contents = cast(props, file)
    }

    return file
  }

  function rewrite (path, props) {
    var dir = dirname(path)
    var base = basename(path, extname(path))
    var ext = extname(props.layout)
    return join(dir, base + ext)
  }

  function cast (props, file) {
    var template = layout(props.layout)
    return Buffer.from(template({ props, file }))
  }

  function layout (name) {
    if (self.defs[name])
      return self.defs[name]

    var view = fs.readFileSync(join(layouts, name), 'utf8')
    return self.bake(name, view)
  }
}