EJS templates + partials

builder-templates.js

try {
  var ejs  = require('ejs');
  var fs   = require('fs');
  var data = [
    {filename:'one', data:{ number:2,str:'tool' }},
    {filename:'two', data:{}},
    {filename:'three', data:{}},
  ]

  var tfname = __dirname + '/template.ejs'

  var template = fs.readFileSync(tfname, 'utf-8');
  for(var el of data){
    var html     = ejs.render( template , {filename:tfname, el: el} );
    fs.writeFileSync("./"+el.filename+".html", html, 'utf8');
  }

}catch (e){
  console.log(e)
}

one.ejs

<span>IM ONE</span>

template.ejs

<p>Hellp</p>
<%- include(el.filename); %>
<p>Bye</p>

two.ejs

<span>IM TWO</span>