Method resolve

www/js/_hyperscript.esm.js:8864–8944

(context, { from, to, using, over })

    return new _TransitionCommand(propExprs, from, to, usingExpr, over);
  }
  resolve(context, { from, to, using, over }) {
    var cmd = this;
    var runtime2 = context.meta.runtime;
    var target;
    if (this.propExprs[0].root) {
      target = this.propExprs[0].root.evaluate(context);
      runtime2.nullCheck(target, this.propExprs[0].root);
    } else {
      target = context.me;
    }
    var promises = [];
    runtime2.implicitLoop(target, function(target2) {
      promises.push(new Promise(function(resolve) {
        var initialTransition = target2.style.transition;
        if (over) {
          target2.style.transition = "all " + over + "ms ease-in";
        } else if (using) {
          target2.style.transition = using;
        } else {
          target2.style.transition = config.defaultTransition;
        }
        var internalData = runtime2.getInternalData(target2);
        if (!internalData.transitionInitials) internalData.transitionInitials = {};
        var initialValues = internalData.transitionInitials;
        for (var j = 0; j < cmd.propExprs.length; j++) {
          if (!(j in initialValues)) {
            initialValues[j] = cmd.propExprs[j].evaluate(context);
          }
        }
        for (var j = 0; j < cmd.propExprs.length; j++) {
          if (from[j] != null) {
            var lhs = {};
            for (var key in cmd.propExprs[j].lhs) {
              var e = cmd.propExprs[j].lhs[key];
              lhs[key] = e && e.evaluate ? e.evaluate(context) : e;
            }
            cmd.propExprs[j].set(context, lhs, from[j]);
          }
        }
        var transitionStarted = false;
        var resolved = false;
        target2.addEventListener("transitionend", function() {
          if (!resolved) {
            target2.style.transition = initialTransition;
            resolved = true;
            resolve();
          }
        }, { once: true });
        target2.addEventListener("transitionstart", function() {
          transitionStarted = true;
        }, { once: true });
        setTimeout(function() {
          if (!resolved && !transitionStarted) {
            target2.style.transition = initialTransition;
            resolved = true;
            resolve();
          }
        }, 100);