Method registerParseElement

www/js/_hyperscript.esm.js:1595–1633

* Register a parse element class based on its static metadata. * Commands need `static keyword`, expressions need `static grammarName`.

(ElementClass)

   * Commands need `static keyword`, expressions need `static grammarName`.
   */
  registerParseElement(ElementClass) {
    if (!ElementClass.parse) return;
    const parse = ElementClass.parse.bind(ElementClass);
    if (ElementClass.keyword && ElementClass.prototype instanceof Command) {
      var keywords = Array.isArray(ElementClass.keyword) ? ElementClass.keyword : [ElementClass.keyword];
      for (var kw of keywords) this.addCommand(kw, parse);
      return;
    }
    if (ElementClass.keyword && ElementClass.prototype instanceof Feature) {
      var keywords = Array.isArray(ElementClass.keyword) ? ElementClass.keyword : [ElementClass.keyword];
      for (var kw of keywords) this.addFeature(kw, parse);
      return;
    }
    const name = ElementClass.grammarName;
    if (!name) return;
    switch (ElementClass.expressionType) {
      case "leaf":
        this.addLeafExpression(name, parse);
        break;
      case "indirect":
        this.addIndirectExpression(name, parse);
        break;
      case "unary":
        this.addUnaryExpression(name, parse);
        break;
      case "top":
        this.addTopExpression(name, parse);
        break;
      case "postfix":
        this.addPostfixExpression(name, parse);
        break;
      default:
        this.addGrammarElement(name, parse);
        break;
    }
    if (ElementClass.assignable) {
      this.#assignableExpressions.push(name);
    }
  }
  /**
   * Register all exported parse element classes from a module.
   * Iterates over module exports and registers any class with