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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/react-dates/esm/utils/isDayVisible.js

import moment from 'moment';
import isBeforeDay from './isBeforeDay';
import isAfterDay from './isAfterDay';
import toISOMonthString from './toISOMonthString';
var startCacheOutsideDays = new Map();
var endCacheOutsideDays = new Map();
var startCacheInsideDays = new Map();
var endCacheInsideDays = new Map();
export default function isDayVisible(day, month, numberOfMonths, enableOutsideDays) {
  if (!moment.isMoment(day)) return false; // Cloning is a little expensive, so we want to do it as little as possible.

var startKey = toISOMonthString(month); // eslint-disable-next-line prefer-template

var endKey = startKey + '+' + numberOfMonths;

if (enableOutsideDays) {
    if (!startCacheOutsideDays.has(startKey)) {
      startCacheOutsideDays.set(startKey, month.clone().startOf('month').startOf('week'));
    }

if (isBeforeDay(day, startCacheOutsideDays.get(startKey))) return false;

if (!endCacheOutsideDays.has(endKey)) {
      endCacheOutsideDays.set(endKey, month.clone().endOf('week').add(numberOfMonths - 1, 'months').endOf('month').endOf('week'));
    }

return !isAfterDay(day, endCacheOutsideDays.get(endKey));
  } // !enableOutsideDays

if (!startCacheInsideDays.has(startKey)) {
    startCacheInsideDays.set(startKey, month.clone().startOf('month'));
  }

if (isBeforeDay(day, startCacheInsideDays.get(startKey))) return false;

if (!endCacheInsideDays.has(endKey)) {
    endCacheInsideDays.set(endKey, month.clone().add(numberOfMonths - 1, 'months').endOf('month'));
  }

return !isAfterDay(day, endCacheInsideDays.get(endKey));
}