function circleButton (option = {}) {
const { text = '+', onClick = console.info } = option
const view = html`<button style="
border: solid 1px #555;
border-radius: 16px;
width: 32px;
height: 32px;
font-size: 24px;
cursor: pointer;
background-color: white;
display: inline-flex;
justify-content: center;
">${text}</button>`
view.onclick = (e) => {
onClick(e)
view.dispatchEvent(new CustomEvent('input', { bubbles: true }))
}
return view
}