PURE Template Setup.js

templateDirectives = {
  'page-main': {
    ...
  },
  'page-view': {
    ...
  }
};
templates = {};

$('#templates > div').each(function (index) {
  var name = this.className.split(' ')[0];
  var directives = templateDirectives[name];
  var template = $(this).compile(directives);
  templates[name] = template;
});

function renderPage(name, data) {
  var template = templates[name];
  $('#body').html(template(data));
}