message: Using IS_PLATFORM_IOS in Checkbox component
diff: @@ -4,10 +4,9 @@ import PropTypes from 'prop-types';
  import Tappable, { ACTIVE_EFFECT_DELAY } from '../Tappable/Tappable';
  import getClassName from '../../helpers/getClassName';
  import classNames from '../../lib/classNames';
  -import {platform, IOS} from '../../lib/platform';
  +import { IS_PLATFORM_IOS } from '../../lib/platform';
  import Icon16Done from '@vkontakte/icons/dist/16/done';
  -const osname = platform();
  const baseClassName = getClassName('Checkbox');
  const Checkbox = ({ children, className, style, getRootRef, ...restProps }) => {
  @@ -17,7 +16,7 @@ const Checkbox = ({ children, className, style, getRootRef, ...restProps }) => {
  className={classNames(baseClassName, className)}
  style={style}
  disabled={restProps.disabled}
  - activeEffectDelay={osname === IOS ? 100 : ACTIVE_EFFECT_DELAY }
  + activeEffectDelay={IS_PLATFORM_IOS ? 100 : ACTIVE_EFFECT_DELAY }
  getRootRef={getRootRef}
  >
  <input {...restProps} type="checkbox" className="Checkbox__input" />
  