Add missing helpers

Author: przemyslawzalewski

date/displayMonth.js

@@ -0,0 +1,3 @@
+import monthNames from "./monthNames";
+
+export default monthIndex => monthNames[monthIndex % 12];

date/formatDisplayDate.js

@@ -0,0 +1,13 @@
+import toLocalDateTime from "./toLocalDateTime.js";
+import displayMonth from "./displayMonth.js";
+
+export default (sourceDate, showDay = false, timezoneOffset = 0) => {
+  const localDate = toLocalDateTime(sourceDate, timezoneOffset);
+  const day = localDate.getDate();
+  const monthIndex = localDate.getMonth();
+  const year = localDate.getFullYear();
+
+  return [showDay && day, displayMonth(monthIndex), year]
+    .filter(Boolean)
+    .join(" ");
+};

date/index.js

@@ -5,10 +5,12 @@ import dateInRange from "./dateInRange.js";
 import dayRange from "./dayRange.js";
 import daysInMonths from "./daysInMonths.js";
 import daysInYear from "./daysInYear.js";
+import displayMonth from "./displayMonth.js";
 import displayTime from "./displayTime.js";
 import endOfDay from "./endOfDay.js";
 import formatDate from "./formatDate.js";
 import formatDateTime from "./formatDateTime.js";
+import formatDisplayDate from "./formatDisplayDate.js";
 import formatDuration from "./formatDuration.js";
 import formatTime from "./formatTime.js";
 import fromDays from "./fromDays.js";
@@ -17,6 +19,7 @@ import fromMinutes from "./fromMinutes.js";
 import fromSeconds from "./fromSeconds.js";
 import joinDateTime from "./joinDateTime.js";
 import leapYear from "./leapYear.js";
+import monthNames from "./monthNames.js";
 import offsetByBit from "./offsetByBit.js";
 import parseHourMinutePair from "./parseHourMinutePair.js";
 import splitDateTime from "./splitDateTime.js";
@@ -41,10 +44,12 @@ export {
   dayRange,
   daysInMonths,
   daysInYear,
+  displayMonth,
   displayTime,
   endOfDay,
   formatDate,
   formatDateTime,
+  formatDisplayDate,
   formatDuration,
   formatTime,
   fromDays,
@@ -53,6 +58,7 @@ export {
   fromSeconds,
   joinDateTime,
   leapYear,
+  monthNames,
   offsetByBit,
   parseHourMinutePair,
   splitDateTime,
@@ -78,10 +84,12 @@ export default {
   dayRange,
   daysInMonths,
   daysInYear,
+  displayMonth,
   displayTime,
   endOfDay,
   formatDate,
   formatDateTime,
+  formatDisplayDate,
   formatDuration,
   formatTime,
   fromDays,
@@ -90,6 +98,7 @@ export default {
   fromSeconds,
   joinDateTime,
   leapYear,
+  monthNames,
   offsetByBit,
   parseHourMinutePair,
   splitDateTime,

date/monthNames.js

@@ -0,0 +1,14 @@
+export default [
+  "January",
+  "February",
+  "March",
+  "April",
+  "May",
+  "June",
+  "July",
+  "August",
+  "September",
+  "October",
+  "November",
+  "December"
+];

math/clampPercentage.js

@@ -0,0 +1,3 @@
+import clamp from "./clamp.js";
+
+export default clamp(0, 100);

math/index.js

@@ -3,6 +3,7 @@ import average from "./average.js";
 import ceilToNearestPowerOfTwo from "./ceilToNearestPowerOfTwo.js";
 import clamp from "./clamp.js";
 import clampNormal from "./clampNormal.js";
+import clampPercentage from "./clampPercentage.js";
 import delta from "./delta.js";
 import inRectangleRange from "./inRectangleRange.js";
 import lerp from "./lerp.js";
@@ -20,6 +21,7 @@ export {
   ceilToNearestPowerOfTwo,
   clamp,
   clampNormal,
+  clampPercentage,
   delta,
   inRectangleRange,
   lerp,
@@ -38,6 +40,7 @@ export default {
   ceilToNearestPowerOfTwo,
   clamp,
   clampNormal,
+  clampPercentage,
   delta,
   inRectangleRange,
   lerp,