carbon-components
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The Carbon Design System is IBM’s open-source design system for products and experiences.
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JavaScript
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/**
* Copyright IBM Corp. 2016, 2018
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
import Flatpickr from 'flatpickr';
import settings from '../../globals/js/settings';
import mixin from '../../globals/js/misc/mixin';
import createComponent from '../../globals/js/mixins/create-component';
import initComponentBySearch from '../../globals/js/mixins/init-component-by-search';
import handles from '../../globals/js/mixins/handles';
import on from '../../globals/js/misc/on';
/* eslint no-underscore-dangle: [2, { "allow": ["_input", "_updateClassNames", "_updateInputFields"], "allowAfterThis": true }] */
// `this.options` create-component mix-in creates prototype chain
// so that `options` given in constructor argument wins over the one defined in static `options` property
// 'Flatpickr' wants flat structure of object instead
function flattenOptions(options) {
var o = {}; // eslint-disable-next-line guard-for-in, no-restricted-syntax
for (var key in options) {
o[key] = options[key];
}
return o;
} // Weekdays shorthand for english locale
Flatpickr.l10ns.en.weekdays.shorthand.forEach(function (day, index) {
var currentDay = Flatpickr.l10ns.en.weekdays.shorthand;
if (currentDay[index] === 'Thu' || currentDay[index] === 'Th') {
currentDay[index] = 'Th';
} else {
currentDay[index] = currentDay[index].charAt(0);
}
});
var toArray = function toArray(arrayLike) {
return Array.prototype.slice.call(arrayLike);
};
/**
* @param {number} monthNumber The month number.
* @param {boolean} shorthand `true` to use shorthand month.
* @param {Locale} locale The Flatpickr locale data.
* @returns {string} The month string.
*/
var monthToStr = function monthToStr(monthNumber, shorthand, locale) {
return locale.months[shorthand ? 'shorthand' : 'longhand'][monthNumber];
};
/**
* @param {object} config Plugin configuration.
* @param {boolean} [config.shorthand] `true` to use shorthand month.
* @param {string} config.selectorFlatpickrMonthYearContainer The CSS selector for the container of month/year selection UI.
* @param {string} config.selectorFlatpickrYearContainer The CSS selector for the container of year selection UI.
* @param {string} config.selectorFlatpickrCurrentMonth The CSS selector for the text-based month selection UI.
* @param {string} config.classFlatpickrCurrentMonth The CSS class for the text-based month selection UI.
* @returns {Plugin} A Flatpickr plugin to use text instead of `<select>` for month picker.
*/
var carbonFlatpickrMonthSelectPlugin = function carbonFlatpickrMonthSelectPlugin(config) {
return function (fp) {
var setupElements = function setupElements() {
var _fp$monthElements;
if (!fp.monthElements) {
return;
}
fp.monthElements.forEach(function (elem) {
if (!elem.parentNode) return;
elem.parentNode.removeChild(elem);
});
(_fp$monthElements = fp.monthElements).splice.apply(_fp$monthElements, [0, fp.monthElements.length].concat(_toConsumableArray(fp.monthElements.map(function () {
// eslint-disable-next-line no-underscore-dangle
var monthElement = fp._createElement('span', config.classFlatpickrCurrentMonth);
monthElement.textContent = monthToStr(fp.currentMonth, config.shorthand === true, fp.l10n);
fp.yearElements[0].closest(config.selectorFlatpickrMonthYearContainer).insertBefore(monthElement, fp.yearElements[0].closest(config.selectorFlatpickrYearContainer));
return monthElement;
}))));
};
var updateCurrentMonth = function updateCurrentMonth() {
var monthStr = monthToStr(fp.currentMonth, config.shorthand === true, fp.l10n);
fp.yearElements.forEach(function (elem) {
var currentMonthContainer = elem.closest(config.selectorFlatpickrMonthYearContainer);
Array.prototype.forEach.call(currentMonthContainer.querySelectorAll('.cur-month'), function (monthElement) {
monthElement.textContent = monthStr;
});
});
};
var register = function register() {
fp.loadedPlugins.push('carbonFlatpickrMonthSelectPlugin');
};
return {
onMonthChange: updateCurrentMonth,
onValueUpdate: updateCurrentMonth,
onOpen: updateCurrentMonth,
onReady: [setupElements, updateCurrentMonth, register]
};
};
};
var DatePicker = /*#__PURE__*/function (_mixin) {
_inherits(DatePicker, _mixin);
var _super = _createSuper(DatePicker);
/**
* DatePicker.
* @extends CreateComponent
* @extends InitComponentBySearch
* @extends Handles
* @param {HTMLElement} element The element working as an date picker.
*/
/**
* DatePicker.
* @extends CreateComponent
* @extends InitComponentBySearch
* @extends Handles
* @param {HTMLElement} element The element working as an date picker.
*/
function DatePicker(element, options) {
var _this;
_classCallCheck(this, DatePicker);
_this = _super.call(this, element, options);
_this._handleFocus = function () {
if (_this.calendar) {
_this.calendar.open();
}
};
_this._handleBlur = function (event) {
if (_this.calendar) {
var focusTo = event.relatedTarget;
if (!focusTo || !_this.element.contains(focusTo) && (!_this.calendar.calendarContainer || !_this.calendar.calendarContainer.contains(focusTo))) {
_this.calendar.close();
}
}
};
_this._initDatePicker = function (type) {
if (type === 'range') {
// Given FlatPickr assumes one `<input>` even in range mode,
// use a hidden `<input>` for such purpose, separate from our from/to `<input>`s
var doc = _this.element.ownerDocument;
var rangeInput = doc.createElement('input');
rangeInput.className = _this.options.classVisuallyHidden;
rangeInput.setAttribute('aria-hidden', 'true');
_this.element.appendChild(rangeInput);
_this._rangeInput = rangeInput; // An attempt to open the date picker dropdown when this component gets focus,
// and close the date picker dropdown when this component loses focus
// An attempt to open the date picker dropdown when this component gets focus,
// and close the date picker dropdown when this component loses focus
var w = doc.defaultView;
var hasFocusin = ('onfocusin' in w);
var hasFocusout = ('onfocusout' in w);
var focusinEventName = hasFocusin ? 'focusin' : 'focus';
var focusoutEventName = hasFocusout ? 'focusout' : 'blur';
_this.manage(on(_this.element, focusinEventName, _this._handleFocus, !hasFocusin));
_this.manage(on(_this.element, focusoutEventName, _this._handleBlur, !hasFocusout));
_this.manage(on(_this.element.querySelector(_this.options.selectorDatePickerIcon), focusoutEventName, _this._handleBlur, !hasFocusout));
}
var self = _assertThisInitialized(_this);
var date = type === 'range' ? _this._rangeInput : _this.element.querySelector(_this.options.selectorDatePickerInput);
var _this$options = _this.options,
_onClose = _this$options.onClose,
_onChange = _this$options.onChange,
_onMonthChange = _this$options.onMonthChange,
_onYearChange = _this$options.onYearChange,
_onOpen = _this$options.onOpen,
_onValueUpdate = _this$options.onValueUpdate;
var calendar = new Flatpickr(date, Object.assign(flattenOptions(_this.options), {
allowInput: true,
mode: type,
disableMobile: true,
positionElement: type === 'range' && _this.element.querySelector(_this.options.selectorDatePickerInputFrom),
onClose: function onClose(selectedDates) {
// An attempt to disable Flatpickr's focus tracking system,
// which has adverse effect with our old set up with two `<input>`s or our latest setup with a hidden `<input>`
if (self.shouldForceOpen) {
if (self.calendar.calendarContainer) {
self.calendar.calendarContainer.classList.add('open');
}
self.calendar.isOpen = true;
}
for (var _len = arguments.length, remainder = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
remainder[_key - 1] = arguments[_key];
}
if (!_onClose || _onClose.call.apply(_onClose, [this, selectedDates].concat(remainder)) !== false) {
self._updateClassNames(calendar);
self._updateInputFields(selectedDates, type);
}
},
onChange: function onChange() {
for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
if (!_onChange || _onChange.call.apply(_onChange, [this].concat(args)) !== false) {
self._updateClassNames(calendar);
if (type === 'range') {
if (calendar.selectedDates.length === 1 && calendar.isOpen) {
self.element.querySelector(self.options.selectorDatePickerInputTo).classList.add(self.options.classFocused);
} else {
self.element.querySelector(self.options.selectorDatePickerInputTo).classList.remove(self.options.classFocused);
}
}
}
},
onMonthChange: function onMonthChange() {
for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
args[_key3] = arguments[_key3];
}
if (!_onMonthChange || _onMonthChange.call.apply(_onMonthChange, [this].concat(args)) !== false) {
self._updateClassNames(calendar);
}
},
onYearChange: function onYearChange() {
for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
args[_key4] = arguments[_key4];
}
if (!_onYearChange || _onYearChange.call.apply(_onYearChange, [this].concat(args)) !== false) {
self._updateClassNames(calendar);
}
},
onOpen: function onOpen() {
// An attempt to disable Flatpickr's focus tracking system,
// which has adverse effect with our old set up with two `<input>`s or our latest setup with a hidden `<input>`
self.shouldForceOpen = true;
setTimeout(function () {
self.shouldForceOpen = false;
}, 0);
for (var _len5 = arguments.length, args = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
args[_key5] = arguments[_key5];
}
if (!_onOpen || _onOpen.call.apply(_onOpen, [this].concat(args)) !== false) {
self._updateClassNames(calendar);
}
},
onValueUpdate: function onValueUpdate() {
for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
args[_key6] = arguments[_key6];
}
if ((!_onValueUpdate || _onValueUpdate.call.apply(_onValueUpdate, [this].concat(args)) !== false) && type === 'range') {
self._updateInputFields(self.calendar.selectedDates, type);
}
},
nextArrow: _this._rightArrowHTML(),
prevArrow: _this._leftArrowHTML(),
plugins: [].concat(_toConsumableArray(_this.options.plugins || []), [carbonFlatpickrMonthSelectPlugin(_this.options)])
}));
if (type === 'range') {
_this._addInputLogic(_this.element.querySelector(_this.options.selectorDatePickerInputFrom), 0);
_this._addInputLogic(_this.element.querySelector(_this.options.selectorDatePickerInputTo), 1);
}
_this.manage(on(_this.element.querySelector(_this.options.selectorDatePickerIcon), 'click', function () {
calendar.open();
}));
_this._updateClassNames(calendar);
if (type !== 'range') {
_this._addInputLogic(date);
}
return calendar;
};
_this._addInputLogic = function (input, index) {
if (!isNaN(index) && (index < 0 || index > 1)) {
throw new RangeError("The index of <input> (".concat(index, ") is out of range."));
}
var inputField = input;
_this.manage(on(inputField, 'change', function (evt) {
if (evt.isTrusted || evt.detail && evt.detail.isNotFromFlatpickr) {
var inputDate = _this.calendar.parseDate(inputField.value);
if (inputDate && !isNaN(inputDate.valueOf())) {
if (isNaN(index)) {
_this.calendar.setDate(inputDate);
} else {
var selectedDates = _this.calendar.selectedDates;
selectedDates[index] = inputDate;
_this.calendar.setDate(selectedDates);
}
}
}
_this._updateClassNames(_this.calendar);
})); // An attempt to temporarily set the `<input>` being edited as the one FlatPicker manages,
// as FlatPicker attempts to take over `keydown` event handler on `document` to run on the date picker dropdown.
// An attempt to temporarily set the `<input>` being edited as the one FlatPicker manages,
// as FlatPicker attempts to take over `keydown` event handler on `document` to run on the date picker dropdown.
_this.manage(on(inputField, 'keydown', function (evt) {
var origInput = _this.calendar._input;
_this.calendar._input = evt.target;
setTimeout(function () {
_this.calendar._input = origInput;
});
}));
};
_this._updateClassNames = function (_ref) {
var calendarContainer = _ref.calendarContainer,
selectedDates = _ref.selectedDates;
if (calendarContainer) {
calendarContainer.classList.add(_this.options.classCalendarContainer);
calendarContainer.querySelector('.flatpickr-month').classList.add(_this.options.classMonth);
calendarContainer.querySelector('.flatpickr-weekdays').classList.add(_this.options.classWeekdays);
calendarContainer.querySelector('.flatpickr-days').classList.add(_this.options.classDays);
toArray(calendarContainer.querySelectorAll('.flatpickr-weekday')).forEach(function (item) {
var currentItem = item;
currentItem.innerHTML = currentItem.innerHTML.replace(/\s+/g, '');
currentItem.classList.add(_this.options.classWeekday);
});
toArray(calendarContainer.querySelectorAll('.flatpickr-day')).forEach(function (item) {
item.classList.add(_this.options.classDay);
if (item.classList.contains('today') && selectedDates.length > 0) {
item.classList.add('no-border');
} else if (item.classList.contains('today') && selectedDates.length === 0) {
item.classList.remove('no-border');
}
});
}
};
_this._updateInputFields = function (selectedDates, type) {
if (type === 'range') {
if (selectedDates.length === 2) {
_this.element.querySelector(_this.options.selectorDatePickerInputFrom).value = _this._formatDate(selectedDates[0]);
_this.element.querySelector(_this.options.selectorDatePickerInputTo).value = _this._formatDate(selectedDates[1]);
} else if (selectedDates.length === 1) {
_this.element.querySelector(_this.options.selectorDatePickerInputFrom).value = _this._formatDate(selectedDates[0]);
}
} else if (selectedDates.length === 1) {
_this.element.querySelector(_this.options.selectorDatePickerInput).value = _this._formatDate(selectedDates[0]);
}
_this._updateClassNames(_this.calendar);
};
_this._formatDate = function (date) {
return _this.calendar.formatDate(date, _this.calendar.config.dateFormat);
};
var _type = _this.element.getAttribute(_this.options.attribType);
_this.calendar = _this._initDatePicker(_type);
if (_this.calendar.calendarContainer) {
_this.manage(on(_this.element, 'keydown', function (e) {
if (e.which === 40) {
e.preventDefault();
(_this.calendar.selectedDateElem || _this.calendar.todayDateElem || _this.calendar.calendarContainer).focus();
}
}));
_this.manage(on(_this.calendar.calendarContainer, 'keydown', function (e) {
if (e.which === 9 && _type === 'range') {
_this._updateClassNames(_this.calendar);
_this.element.querySelector(_this.options.selectorDatePickerInputFrom).focus();
}
}));
}
return _this;
}
/**
* Opens the date picker dropdown when this component gets focus.
* Used only for range mode for now.
* @private
*/
/**
* Opens the date picker dropdown when this component gets focus.
* Used only for range mode for now.
* @private
*/
_createClass(DatePicker, [{
key: "_rightArrowHTML",
value: function _rightArrowHTML() {
return "\n <svg\n focusable=\"false\"\n preserveAspectRatio=\"xMidYMid meet\"\n style=\"will-change: transform;\"\n xmlns=\"http://www.w3.org/2000/svg\"\n width=\"16\"\n height=\"16\"\n viewBox=\"0 0 16 16\"\n aria-hidden=\"true\">\n <path d=\"M11 8l-5 5-.7-.7L9.6 8 5.3 3.7 6 3z\"></path>\n </svg>";
}
}, {
key: "_leftArrowHTML",
value: function _leftArrowHTML() {
return "\n <svg\n focusable=\"false\"\n preserveAspectRatio=\"xMidYMid meet\"\n style=\"will-change: transform;\"\n xmlns=\"http://www.w3.org/2000/svg\"\n width=\"16\"\n height=\"16\"\n viewBox=\"0 0 16 16\"\n aria-hidden=\"true\"\n >\n <path d=\"M5 8l5-5 .7.7L6.4 8l4.3 4.3-.7.7z\"></path>\n </svg>";
}
}, {
key: "release",
value: function release() {
if (this._rangeInput && this._rangeInput.parentNode) {
this._rangeInput.parentNode.removeChild(this._rangeInput);
}
if (this.calendar) {
try {
this.calendar.destroy();
} catch (err) {} // eslint-disable-line no-empty
// eslint-disable-line no-empty
this.calendar = null;
}
return _get(_getPrototypeOf(DatePicker.prototype), "release", this).call(this);
}
/**
* The component options.
* If `options` is specified in the constructor,
* {@linkcode DatePicker.create .create()}, or {@linkcode DatePicker.init .init()},
* properties in this object are overridden for the instance being create and how {@linkcode DatePicker.init .init()} works.
* @property {string} selectorInit The CSS selector to find date picker UIs.
*/
}], [{
key: "options",
get: function get() {
var prefix = settings.prefix;
return {
selectorInit: '[data-date-picker]',
selectorDatePickerInput: '[data-date-picker-input]',
selectorDatePickerInputFrom: '[data-date-picker-input-from]',
selectorDatePickerInputTo: '[data-date-picker-input-to]',
selectorDatePickerIcon: '[data-date-picker-icon]',
selectorFlatpickrMonthYearContainer: '.flatpickr-current-month',
selectorFlatpickrYearContainer: '.numInputWrapper',
selectorFlatpickrCurrentMonth: '.cur-month',
classCalendarContainer: "".concat(prefix, "--date-picker__calendar"),
classMonth: "".concat(prefix, "--date-picker__month"),
classWeekdays: "".concat(prefix, "--date-picker__weekdays"),
classDays: "".concat(prefix, "--date-picker__days"),
classWeekday: "".concat(prefix, "--date-picker__weekday"),
classDay: "".concat(prefix, "--date-picker__day"),
classFocused: "".concat(prefix, "--focused"),
classVisuallyHidden: "".concat(prefix, "--visually-hidden"),
classFlatpickrCurrentMonth: 'cur-month',
attribType: 'data-date-picker-type',
dateFormat: 'm/d/Y'
};
}
/**
* The map associating DOM element and date picker UI instance.
* @type {WeakMap}
*/
}]);
DatePicker.components = new WeakMap();
return DatePicker;
}(mixin(createComponent, initComponentBySearch, handles));
export default DatePicker;