highlight = () => {
      const { compilerVersion, targetPlatform, hiddenDependencies } =
        this.state;
      this.removeStyles();
      WebDemoApi.getHighlight(
        this.getCode(),
        compilerVersion,
        targetPlatform,
        hiddenDependencies,
      ).then((data) => this.showDiagnostics(data));
    }
Show highlight for extraKey Ctrl+Alt+H/Cmd+Option+H