Method install

tools/common/_hyperscript.iife.js:9142–9144

(target, source, args, runtime2)

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