react-native-pull-up-down-refresh/utils.js

A smart pull-down-refresh and pull-up-loadmore react-native listview, for ios, written in pure JS, for android, written in JS and Java.

import { StyleSheet, } from 'react-native'

export const withinErrorMargin = (left, right, threshold = 0) => {
    return Math.abs(left - right) < (StyleSheet.hairlineWidth + threshold)
}

export default {
    withinErrorMargin,
}