var Koa = require('koa');
var views = require('koa-nunjucks-promise');

var app = new Koa();

app.use(views('views', {
  ext: 'html',
  noCache: process.env.NODE_ENV === 'development',
  filters: {
    json: function(str) {
      return JSON.stringify(str, null, 2);
    }
  },
  globals: {
    version: 'v8.0.1'
  }
));

app.use(async function(ctx, next) {
  this.state = {
    title: 'app'
  };
  
  await ctx.render('user', {
    user: 'Cat'
  });
});