func(r rune) bool {
		return r != utf8.RuneError
	},
	"IsValidRune",
}

type TrimFuncTest struct {
	f        predicate
	in       string
	trimOut  []byte
	leftOut  []byte
	rightOut []byte
}

func not(p predicate) predicate {
	return predicate{
		func(r rune) bool {
			return !p.f(r)
		},
		"not " + p.name,
	}
}

= $('body')\n      $body.addClass(CLASS_NAME_IFRAME_MODE)\n\n      if (this._config.autoDarkMode) {\n        $body.addClass('dark-mode')\n      }\n    }\n  }\n\n  _navScroll(offset) {\n    const leftPos = $(SELECTOR_TAB_NAVBAR_NAV).scrollLeft()\n    $(SELECTOR_TAB_NAVBAR_NAV).animate({ scrollLeft: (leftPos + offset) }, 250, 'linear')\n  }\n\n  _setupListeners() {\n    $(window).on('resize', () => {\n      setTimeout(() => {\n        this._fixHeight()\n      }, 1)\n    })\n    if ($(SELECTOR_CONTE...