Method resolve

www/js/_hyperscript.js:7667–7749

(context, { to, classRefs, css, value })

      }
    }
    resolve(context, { to, classRefs, css, value }) {
      var runtime2 = context.meta.runtime;
      var cmd = this;
      runtime2.nullCheck(to, this.toExpr);
      var result;
      if (this.variant === "collection") {
        if (Array.isArray(to)) {
          to.push(value);
        } else if (to instanceof Set) {
          to.add(value);
        } else if (to instanceof Map) {
          throw new Error("Use 'set myMap[key] to value' for Maps");
        } else {
          throw new Error("Cannot add to " + typeof to);
        }
        runtime2.notifyMutation(to);
        return runtime2.findNext(this, context);
      } else if (this.variant === "class") {
        runtime2.forEach(classRefs, function(classRef) {
          if (cmd.when) {
            result = runtime2.implicitLoopWhen(
              to,
              cmd.when,
              context,
              function(t) {
                if (t instanceof Element) t.classList.add(classRef.className);
              },
              function(t) {
                if (t instanceof Element) t.classList.remove(classRef.className);
              }
            );
          } else {
            runtime2.implicitLoop(to, function(t) {
              if (t instanceof Element) t.classList.add(classRef.className);
            });
          }
        });
      } else if (this.variant === "attribute") {
        var attributeRef = this.attributeRef;
        if (this.when) {
          result = runtime2.implicitLoopWhen(
            to,
            this.when,
            context,
            function(t) {
              t.setAttribute(attributeRef.name, attributeRef.value);
            },
            function(t) {
              t.removeAttribute(attributeRef.name);
            }
          );
        } else {
          runtime2.implicitLoop(to, function(t) {
            t.setAttribute(attributeRef.name, attributeRef.value);
          });
        }
      } else {
        if (this.when) {