@sfenton/react-native-readium-with-cfi/lib/src/utils/getWidthOrHeightValue.js

A react-native wrapper for https://readium.org/ with CFI support

import { Platform, PixelRatio } from 'react-native';
export const getWidthOrHeightValue = (val) => {
    return Platform.OS === 'android'
        ? PixelRatio.getPixelSizeForLayoutSize(val)
        : val;
};