Method install

www/js/_hyperscript.js:9592–9596

(target, source, args, runtime2)

      this.start = setCmd;
    }
    install(target, source, args, runtime2) {
      queueMicrotask(() => {
        this.start && this.start.execute(runtime2.makeContext(target, this, target, null));
      });
    }
    static parse(parser) {
      let setCmd = parser.parseElement("setCommand");
      if (setCmd) {