yahoi/src/lib/CRT_legacy-TBR/RenderView.js

Yet Another Highly Opinionated Isomorphic Framework

import ControllerResponseType from './../ControllerResponseType';
import fs from 'fs';
import Handlebars from 'Handlebars';

export default class RenderView extends ControllerResponseType {
  
  
  constructor(templateFile, data, props) {
    super(props);
    this.props = props;
    this.data = data;
    this.templateFile = templateFile;    
  }
  
  
  render() {
    return new Promise((fulfill, reject) => {
      fs.readFile(`${this.templateFile}.handlebars`, 'utf8', (err, source) => {
        if (err)  {
          reject(err)
        } else {
          let template = Handlebars.compile(source);
          fulfill(template(this.data));
        }
      });
    });
  }
  
  
  respond(req, res) {
    this.render(req).then(content => {
      res.send(content);
    }).catch(e => {
      res.send('error: ' + String(e));
    });
  }  
  
  
}