Method parseFeature

tools/common/_hyperscript.iife.js:1345–1355

(parser)

      this.addGrammarElement("leaf", this.parseLeaf.bind(this));
    }
    parseFeature(parser) {
      if (parser.matchOpToken("(")) {
        var featureElement = parser.requireElement("feature");
        parser.requireOpToken(")");
        return featureElement;
      }
      var featureDefinition = this.#features[parser.currentToken().value || ""];
      if (featureDefinition) {
        return featureDefinition(parser);
      }
    }
    parseCommand(parser) {
      if (parser.matchOpToken("(")) {
        const commandElement2 = parser.requireElement("command");