Method parse

www/js/_hyperscript.esm.js:6601–6614

(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("");