old_contents: let propertiesWitouthUnits
  if (process.env.NODE_ENV !== 'production') {
    propertiesWitouthUnits = [
      'aspectRatio',
      'elevation',
      'flexGrow',
      'flexShrink',
      'opacity',
      'shadowOpacity',
      'zIndex',
    ]
  }
  
  const devPropertiesWithUnitsRegExp =
    propertiesWitouthUnits != null
      ? new RegExp(propertiesWitouthUnits.join('|'))
      : null
  
  export default devPropertiesWithUnitsRegExp
  
new_contents: let propertiesWithoutUnits
  if (process.env.NODE_ENV !== 'production') {
    propertiesWithoutUnits = [
      'aspectRatio',
      'elevation',
      'flexGrow',
      'flexShrink',
      'opacity',
      'shadowOpacity',
      'zIndex',
    ]
  }
  
  const devPropertiesWithUnitsRegExp =
    propertiesWithoutUnits != null
      ? new RegExp(propertiesWithoutUnits.join('|'))
      : null
  
  export default devPropertiesWithUnitsRegExp
  
subject: fix typo