Method parse

www/js/_hyperscript.esm.js:9017–9041

(parser)

    this.args = { type: transitionType };
  }
  static parse(parser) {
    if (!parser.matchToken("start")) return;
    parser.matchToken("a");
    parser.requireToken("view");
    parser.requireToken("transition");
    parser.matchToken("using");
    var typeToken = parser.matchTokenType("STRING");
    var transitionType = typeToken ? typeToken.value : null;
    var body = parser.requireElement("commandList");
    var tick = new ViewTransitionTick();
    tick.next = body;
    var endCmd = new ViewTransitionEnd();
    var last = body;
    while (last.next) last = last.next;
    last.next = endCmd;
    if (parser.hasMore()) {
      parser.requireToken("end");
    }
    insertAborts(body, false);
    var cmd = new _ViewTransitionCommand(tick, transitionType);
    parser.setParent(tick, cmd);
    parser.setParent(body, cmd);
    endCmd.parent = cmd;
    return cmd;
  }
  resolve(context, { type }) {
    if (!document.startViewTransition) {
      return this.body;