text: 'use strict';
  /**
   * template config
   */
  export default {
    type: 'nunjucks',
    content_type: 'text/html',
    file_ext: '.html',
    file_depr: '_',
    root_path: think.ROOT_PATH + '/view',
    prerender: (nunjucks, env) => {
      console.log('prerender outside');
    },
    adapter: {
      nunjucks: {
        prerender: (nunjucks, env) => {
          console.log('prerender inside');
          env.addFilter('thinkjs', function(){
            return 1111;
          })
        } 
      }
    }
  };