@codecademy/gamut

Index: package/dist/DatePicker/DatePickerCalendar/utils/quickActions.js
===================================================================
--- package/dist/DatePicker/DatePickerCalendar/utils/quickActions.js
+++ package/dist/DatePicker/DatePickerCalendar/utils/quickActions.js
@@ -0,0 +1,98 @@
+import { stringifyLocale } from '../../utils/locale';
+import { capitalizeFirst } from '../Calendar/utils/format';
+const getRelativeDisplayText = ({
+  num,
+  timePeriod,
+  locale
+}) => {
+  const rtf = new Intl.RelativeTimeFormat(stringifyLocale(locale), {
+    numeric: 'auto'
+  });
+  return capitalizeFirst({
+    str: rtf.format(num, timePeriod),
+    locale
+  });
+};
+export const getDefaultSingleQuickActions = locale => [{
+  num: -1,
+  timePeriod: 'day',
+  displayText: getRelativeDisplayText({
+    num: -1,
+    timePeriod: 'day',
+    locale
+  })
+}, {
+  num: 0,
+  timePeriod: 'day',
+  displayText: getRelativeDisplayText({
+    num: 0,
+    timePeriod: 'day',
+    locale
+  })
+}, {
+  num: 1,
+  timePeriod: 'day',
+  displayText: getRelativeDisplayText({
+    num: 1,
+    timePeriod: 'day',
+    locale
+  })
+}];
+export const getDefaultRangeQuickActions = translations => [{
+  num: -7,
+  timePeriod: 'day',
+  displayText: translations.last7DaysDisplayText
+}, {
+  num: -30,
+  timePeriod: 'day',
+  displayText: translations.last30DaysDisplayText
+}, {
+  num: -90,
+  timePeriod: 'day',
+  displayText: translations.last90DaysDisplayText
+}];
+export const computeQuickAction = ({
+  num,
+  timePeriod,
+  isRange,
+  now = new Date()
+}) => {
+  const anchorDate = new Date(now.getFullYear(), now.getMonth(), now.getDate());
+  let startDate;
+  switch (timePeriod) {
+    case 'day':
+      {
+        startDate = new Date(anchorDate);
+        startDate.setDate(startDate.getDate() + num);
+        break;
+      }
+    case 'week':
+      {
+        startDate = new Date(anchorDate);
+        startDate.setDate(startDate.getDate() + num * 7);
+        break;
+      }
+    case 'month':
+      {
+        startDate = new Date(anchorDate);
+        startDate.setDate(startDate.getDate() + num * 30);
+        break;
+      }
+    case 'year':
+      {
+        startDate = new Date(anchorDate);
+        startDate.setDate(startDate.getDate() + num * 365);
+        break;
+      }
+  }
+  if (isRange && startDate.getTime() > anchorDate.getTime()) {
+    return {
+      startDate: anchorDate,
+      endDate: startDate
+    };
+  }
+  return {
+    startDate,
+    endDate: anchorDate
+  };
+};
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