in packages/core/src/drivers/ViewportResizeDriver.ts [42:51]
detach() {
if (this.contentWindow && this.contentWindow !== globalThisPolyfill) {
this.removeEventListener('resize', this.onResize)
} else if (this.resizeObserver) {
if (this.container && this.container !== document) {
this.resizeObserver.unobserve(this.container as HTMLElement)
this.resizeObserver.disconnect()
}
}
}