/**
 * 模板引擎拓展包
 * @author yutent<yutent.io@gmail.com>
 * @date 2020/09/27 14:17:46
 */

import Smarty from 'smartyx'

const DEFAULT_CONFIG = {
  dir: '',
  ext: '.htm'
}

export function createSmartyEngine() {
  return {
    name: 'smarty',
    install(conf = {}) {
      if (!conf.dir) {
        throw new Error("Smarty template's dir is required")
      }
      let views = Object.assign({}, DEFAULT_CONFIG, conf)
      let engine = new Smarty()

      this.set({ views })

      engine.config('path', views.dir)

      if (views.ext) {
        engine.config('ext', views.ext)
      }
      return engine
    }
  }
}