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node_modules/vant/lib/calendar/utils.js

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+"use strict";
+
+exports.__esModule = true;
+exports.formatMonthTitle = formatMonthTitle;
+exports.compareMonth = compareMonth;
+exports.compareDay = compareDay;
+exports.getDayByOffset = getDayByOffset;
+exports.getPrevDay = getPrevDay;
+exports.getNextDay = getNextDay;
+exports.calcDateNum = calcDateNum;
+exports.copyDate = copyDate;
+exports.copyDates = copyDates;
+exports.t = exports.bem = exports.createComponent = void 0;
+
+var _utils = require("../utils");
+
+var _createNamespace = (0, _utils.createNamespace)('calendar'),
+    createComponent = _createNamespace[0],
+    bem = _createNamespace[1],
+    t = _createNamespace[2];
+
+exports.t = t;
+exports.bem = bem;
+exports.createComponent = createComponent;
+
+function formatMonthTitle(date) {
+  return t('monthTitle', date.getFullYear(), date.getMonth() + 1);
+}
+
+function compareMonth(date1, date2) {
+  var year1 = date1.getFullYear();
+  var year2 = date2.getFullYear();
+  var month1 = date1.getMonth();
+  var month2 = date2.getMonth();
+
+  if (year1 === year2) {
+    return month1 === month2 ? 0 : month1 > month2 ? 1 : -1;
+  }
+
+  return year1 > year2 ? 1 : -1;
+}
+
+function compareDay(day1, day2) {
+  var compareMonthResult = compareMonth(day1, day2);
+
+  if (compareMonthResult === 0) {
+    var date1 = day1.getDate();
+    var date2 = day2.getDate();
+    return date1 === date2 ? 0 : date1 > date2 ? 1 : -1;
+  }
+
+  return compareMonthResult;
+}
+
+function getDayByOffset(date, offset) {
+  date = new Date(date);
+  date.setDate(date.getDate() + offset);
+  return date;
+}
+
+function getPrevDay(date) {
+  return getDayByOffset(date, -1);
+}
+
+function getNextDay(date) {
+  return getDayByOffset(date, 1);
+}
+
+function calcDateNum(date) {
+  var day1 = date[0].getTime();
+  var day2 = date[1].getTime();
+  return (day2 - day1) / (1000 * 60 * 60 * 24) + 1;
+}
+
+function copyDate(dates) {
+  return new Date(dates);
+}
+
+function copyDates(dates) {
+  if (Array.isArray(dates)) {
+    return dates.map(function (date) {
+      if (date === null) {
+        return date;
+      }
+
+      return copyDate(date);
+    });
+  }
+
+  return copyDate(dates);
+}