react-widgets-date-fns/index.js

A date-fns localizer for react-widgets

"use strict";

exports.__esModule = true;
exports.default = void 0;

var _formatWithOptions = _interopRequireDefault(require("date-fns/fp/formatWithOptions"));

var _parseWithOptions = _interopRequireDefault(require("date-fns/fp/parseWithOptions"));

var _addYears = _interopRequireDefault(require("date-fns/fp/addYears"));

var _enUS = _interopRequireDefault(require("date-fns/locale/en-US"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const endOfDecade = (0, _addYears.default)(10);
const endOfCentury = (0, _addYears.default)(100);

class DateFnsLocalizer {
  constructor(locale) {
    this.locale = locale || _enUS.default;
    const {
      options
    } = this.locale;

    this.firstOfWeek = () => options && options.weekStartsOn || 0;
  }

  firstOfWeek() {
    var _this$locale$options$, _this$locale$options;

    return (_this$locale$options$ = (_this$locale$options = this.locale.options) == null ? void 0 : _this$locale$options.weekStartsOn) != null ? _this$locale$options$ : 0;
  }

  date(date, format) {
    return this.format(date, format || 'P');
  }

  time(date, format) {
    return this.format(date, format || 'pp');
  }

  datetime(date, format) {
    return this.format(date, format || 'Pp');
  }

  header(date, format) {
    return this.format(date, format || 'MMMM yyyy');
  }

  weekday(date, format) {
    return this.format(date, format || 'cccccc');
  }

  dayOfMonth(date, format) {
    return this.format(date, format || 'DD');
  }

  month(date, format) {
    return this.format(date, format || 'MMM');
  }

  year(date, format) {
    return this.format(date, format || 'YYYY');
  }

  decade(date, format) {
    return format ? this.format(date, format) : `${this.format(date, 'YYYY')} - ${this.format(endOfDecade(date), 'YYYY')}`;
  }

  century(date, format) {
    return format ? this.format(date, format) : `${this.format(date, 'YYYY')} - ${this.format(endOfCentury(date), 'YYYY')}`;
  }

  format(value, format) {
    return (0, _formatWithOptions.default)({
      locale: this.locale
    }, format, value);
  }

  parse(value, format) {
    const result = (0, _parseWithOptions.default)({
      locale: this.locale
    }, new Date(), format, value);

    if (result.toString() === 'Invalid Date') {
      return null;
    }

    return result;
  }

}

exports.default = DateFnsLocalizer;