Method parse

www/js/_hyperscript.esm.js:8840–8863

(parser)

    this.args = { from, to, using: usingExpr, over };
  }
  static parse(parser) {
    if (!parser.matchToken("transition")) return;
    var propExprs = [];
    var from = [];
    var to = [];
    do {
      var follows = parser.pushFollows("from", "to");
      try {
        propExprs.push(parser.requireElement("expression"));
      } finally {
        parser.popFollows(follows);
      }
      from.push(parser.matchToken("from") ? parser.requireElement("expression") : null);
      parser.requireToken("to");
      to.push(parser.matchToken("initial") ? "initial" : parser.requireElement("expression"));
    } while (!parser.commandBoundary(parser.currentToken()) && parser.currentToken().value !== "over" && parser.currentToken().value !== "using");
    var over, usingExpr;
    if (parser.matchToken("over")) {
      over = parser.requireElement("expression");
    } else if (parser.matchToken("using")) {
      usingExpr = parser.requireElement("expression");
    }
    return new _TransitionCommand(propExprs, from, to, usingExpr, over);
  }
  resolve(context, { from, to, using, over }) {
    var cmd = this;
    var runtime2 = context.meta.runtime;