Method parse

www/js/_hyperscript.js:6603–6616

(parser)

      };
    }
    static parse(parser) {
      if (!parser.matchToken("swap")) return;
      try {
        parser.pushFollow("with");
        var target1 = parser.requireElement("assignableExpression");
      } finally {
        parser.popFollow();
      }
      while (target1.type === "parenthesized") target1 = target1.expr;
      parser.requireToken("with");
      var target2 = parser.requireElement("assignableExpression");
      while (target2.type === "parenthesized") target2 = target2.expr;
      return new _SwapCommand(target1, target2);
    }
    resolve(context, { value1, value2, root1, index1, root2, index2 }) {
      if (value1 instanceof Element && value2 instanceof Element) {
        var placeholder = document.createComment("");