stylex.props
Takes an StyleX style or array of StyleX styles, and returns a props object.
Values can be also be null, undefined, or false.
The return value should be onto an element to apply the styles directly.
function props(styles: StyleXStyles | StyleXStyles[]): {
  className: string;
  style: {[key: string]: string};
};
Example use:
import * as stylex from '@stylexjs/stylex';
const styles = stylex.create({
  root: {
    backgroundColor: 'red',
    padding: '1rem',
    paddingInlineStart: '2rem',
  },
  conditional: {
    backgroundColor: 'blue',
  },
  dynamic: (opacity) => ({
    opacity,
  }),
});
<div
  {...styles.props(
    styles.root,
    condition && styles.conditional,
    props.style,
    styles.dynamic(state.opacity),
  )}
/>;