1 files changed, 13 insertions, 0 deletions
diff --git a/app/assets/javascripts/profile/utils.js b/app/assets/javascripts/profile/utils.js
new file mode 100644
index 00000000000..5b757120544
--- /dev/null
+++ b/app/assets/javascripts/profile/utils.js
@@ -0,0 +1,13 @@
+import {
+  OVERVIEW_CALENDAR_BREAKPOINT,
+  CALENDAR_PERIOD_6_MONTHS,
+  CALENDAR_PERIOD_12_MONTHS,
+} from './constants';
+
+export const getVisibleCalendarPeriod = (calendarContainer) => {
+  const { width } = calendarContainer.getBoundingClientRect();
+
+  return width < OVERVIEW_CALENDAR_BREAKPOINT
+    ? CALENDAR_PERIOD_6_MONTHS
+    : CALENDAR_PERIOD_12_MONTHS;
+};