Fixed edge cases with store hours (#141)

lib/mapUtils.js

@@ -155,34 +155,40 @@ function computeStoreOpen(hours) {
     const openingTime = hoursSplit[0]; // e.g. "8:30am"
     const closingTime = hoursSplit[1]; // e.g. "8:30pm"
 
-    const openingSuffix = openingTime.slice(-2);
+    const openingSuffix = openingTime.slice(-2).toLowerCase();
     const openingHourMin = openingTime.slice(0, -2);
     const openingHourMinSplit = openingHourMin.split(':');
     let openingHour = parseInt(openingHourMinSplit[0], 10);
     const openingMin =
       openingHourMinSplit.length > 1 ? parseInt(openingHourMinSplit[1], 10) : 0;
 
-    const closingSuffix = closingTime.slice(-2);
+    const closingSuffix = closingTime.slice(-2).toLowerCase();
     const closingHourMin = closingTime.slice(0, -2);
     const closingHourMinSplit = closingHourMin.split(':'); // e.g. ["8", "30"]
     let closingHour = parseInt(closingHourMinSplit[0], 10);
     const closingMin =
       closingHourMinSplit.length > 1 ? parseInt(closingHourMinSplit[1], 10) : 0;
 
+    // Edge case: 11pm-5am Daily (pm before am)
+    // Also consider: Current time is before opening time but same day
     if (openingHour === 12 && openingSuffix === 'am') {
       openingHour -= 12;
     }
 
     // Convert to 24 hour time
-    if (openingSuffix.toLowerCase() === 'pm') {
+    // e.g. 11pm = 23
+    if (openingSuffix === 'pm') {
       openingHour += 12;
     }
 
     if (
-      closingSuffix.toLowerCase() === 'pm' ||
+      closingSuffix === 'pm' ||
       (closingHour === 12 && closingSuffix === 'am')
     ) {
       closingHour += 12;
+    } else if (closingSuffix === 'am') {
+      // e.g. 9am-3am Daily (closes the following day)
+      closingHour += 24;
     }
 
     const convertedOpeningTime = openingHour * 60 + openingMin;
@@ -196,6 +202,11 @@ function computeStoreOpen(hours) {
       return `Open now until ${closingTime}`.replace('12am', 'Midnight');
     }
 
+    // Store is opening later
+    if (currentTime < convertedOpeningTime) {
+      return `Closed until today ${openingTime}`;
+    }
+
     // The store is closed at this time, so we need the next day and its opening time
     return computeNextOpenDay(todaysDayIndex, hoursPerDayDict);
   } catch (err) {