chakra-ui/sandbox/vite-jsx/src/components/ui/button.jsx

import {
  AbsoluteCenter,
  Button as ChakraButton,
  Span,
  Spinner,
} from "@chakra-ui/react"
import * as React from "react"

export const Button = React.forwardRef(function Button(props, ref) {
  const { loading, disabled, loadingText, children, ...rest } = props
  return (
    <ChakraButton disabled={loading || disabled} ref={ref} {...rest}>
      {loading && !loadingText ? (
        <>
          <AbsoluteCenter display="inline-flex">
            <Spinner size="inherit" color="inherit" />
          </AbsoluteCenter>
          <Span opacity={0}>{children}</Span>
        </>
      ) : loading && loadingText ? (
        <>
          <Spinner size="inherit" color="inherit" />
          {loadingText}
        </>
      ) : (
        children
      )}
    </ChakraButton>
  )
})