// @flow
import pixelsto from '../internalHelpers/_pxto'
/**
* Convert pixel value to ems. The default base value is 16px, but can be changed by passing a
* second argument to the function.
* @function
* @param {string|number} pxval
* @param {string|number} [base='16px']
* @example
* // Styles as object usage
* const styles = {
* 'height': em('16px')
* }
*
* // styled-components usage
* const div = styled.div`
* height: ${em('16px')}
* `
*
* // CSS in JS Output
*
* element {
* 'height': '1em'
* }
*/
export default pixelsto('em')
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