@dnb/eufemia/components/date-picker/hooks/useViews.js

DNB Eufemia Design System UI Library

"use client";

import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
const _excluded = ["isRange"],
  _excluded2 = ["isRange"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
import "core-js/modules/web.dom-collections.iterator.js";
import addMonths from 'date-fns/addMonths';
import { useCallback, useMemo, useRef, useState } from 'react';
export default function useViews(_ref) {
  let {
      isRange
    } = _ref,
    dates = _objectWithoutProperties(_ref, _excluded);
  const [previousDates, setPreviousDates] = useState(dates);
  const [views, setViews] = useState(getViews(_objectSpread(_objectSpread({}, dates), {}, {
    isRange
  })));
  const hasClickedCalendarDay = useRef(false);
  const hasDateChanges = useMemo(() => Object.keys(dates).some(date => previousDates[date] !== dates[date]), [dates, previousDates]);
  const setHasClickedCalendarDay = useCallback(hasClicked => hasClickedCalendarDay.current = hasClicked, []);
  if (hasDateChanges) {
    setPreviousDates(dates);
    if (hasClickedCalendarDay.current) {
      setHasClickedCalendarDay(false);
    } else {
      const updatedViews = getViews(_objectSpread(_objectSpread({}, dates), {}, {
        isRange
      }));
      setViews(updatedViews);
    }
  }
  function updateViews(views) {
    let cb = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
    setViews(views);
    cb === null || cb === void 0 ? void 0 : cb();
  }
  return {
    views,
    setViews: updateViews,
    setHasClickedCalendarDay
  };
}
export function getViews(_ref2) {
  let {
      isRange
    } = _ref2,
    dates = _objectWithoutProperties(_ref2, _excluded2);
  return isRange ? [{
    nr: 0,
    month: getMonthView({
      months: dates,
      nr: 0
    })
  }, {
    nr: 1,
    month: getMonthView({
      months: dates,
      nr: 1
    })
  }] : [{
    nr: 0,
    month: getMonthView({
      months: dates,
      nr: 0
    })
  }];
}
function getMonthView(_ref3) {
  let {
    months,
    nr
  } = _ref3;
  const {
    startMonth,
    endMonth
  } = months;
  if (startMonth && nr === 0) {
    return startMonth;
  }
  if (endMonth && nr === 1) {
    return endMonth;
  }
  const fallbackMonth = startMonth || new Date();
  return addMonths(fallbackMonth, nr);
}
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