ecmarkup/lib/Terminal.js

Custom element definitions and core utilities for markup that specifies ECMAScript and related technologies.

'use strict';
module.exports = Terminal;

function Terminal(spec, prod, node) {
  this.spec = spec;
  this.production = prod;
  this.node = node;

  this.optional = node.hasAttribute('optional');
}

Terminal.prototype.build = function () {
  let modifiers = '';

  if (this.optional) {
    modifiers += '<emu-opt>opt</emu-opt>';
  }

  if (modifiers === '') return null;

  const el = this.spec.doc.createElement('emu-mods');
  el.innerHTML = modifiers;

  this.node.appendChild(el);
};