Finished

Test Name	Status
monteenth of May 2013	Pass
monteenth of August 2013	Pass
monteenth of September 2013	Pass
tuesteenth of March 2013	Pass
tuesteenth of April 2013	Pass
tuesteenth of August 2013	Pass
wednesteenth of January 2013	Pass
wednesteenth of February 2013	Pass
wednesteenth of June 2013	Pass
thursteenth of May 2013	Pass
thursteenth of June 2013	Pass
thursteenth of September 2013	Pass
friteenth of April 2013	Pass
friteenth of August 2013	Pass
friteenth of September 2013	Pass
saturteenth of February 2013	Pass
saturteenth of April 2013	Pass
saturteenth of October 2013	Pass
sunteenth of May 2013	Pass
sunteenth of June 2013	Pass
sunteenth of October 2013	Pass
first Monday of March 2013	Pass
first Monday of April 2013	Pass
first Tuesday of May 2013	Pass
first Tuesday of June 2013	Pass
first Wednesday of July 2013	Pass
first Wednesday of August 2013	Pass
first Thursday of September 2013	Pass
first Thursday of October 2013	Pass
first Friday of November 2013	Pass
first Friday of December 2013	Pass
first Saturday of January 2013	Pass
first Saturday of February 2013	Pass
first Sunday of March 2013	Pass
first Sunday of April 2013	Pass
second Monday of March 2013	Pass
second Monday of April 2013	Pass
second Tuesday of May 2013	Pass
second Tuesday of June 2013	Pass
second Wednesday of July 2013	Pass
second Wednesday of August 2013	Pass
second Thursday of September 2013	Pass
second Thursday of October 2013	Pass
second Friday of November 2013	Pass
second Friday of December 2013	Pass
second Saturday of January 2013	Pass
second Saturday of February 2013	Pass
second Sunday of March 2013	Pass
second Sunday of April 2013	Pass
third Monday of March 2013	Pass
third Monday of April 2013	Pass
third Tuesday of May 2013	Pass
third Tuesday of June 2013	Pass
third Wednesday of July 2013	Pass
third Wednesday of August 2013	Pass
third Thursday of September 2013	Pass
third Thursday of October 2013	Pass
third Friday of November 2013	Pass
third Friday of December 2013	Pass
third Saturday of January 2013	Pass
third Saturday of February 2013	Pass
third Sunday of March 2013	Pass
third Sunday of April 2013	Pass
fourth Monday of March 2013	Pass
fourth Monday of April 2013	Pass
fourth Tuesday of May 2013	Pass
fourth Tuesday of June 2013	Pass
fourth Wednesday of July 2013	Pass
fourth Wednesday of August 2013	Pass
fourth Thursday of September 2013	Pass
fourth Thursday of October 2013	Pass
fourth Friday of November 2013	Pass
fourth Friday of December 2013	Pass
fourth Saturday of January 2013	Pass
fourth Saturday of February 2013	Pass
fourth Sunday of March 2013	Pass
fourth Sunday of April 2013	Pass
last Monday of March 2013	Pass
last Monday of April 2013	Pass
last Tuesday of May 2013	Pass
last Tuesday of June 2013	Pass
last Wednesday of July 2013	Pass
last Wednesday of August 2013	Pass
last Thursday of September 2013	Pass
last Thursday of October 2013	Pass
last Friday of November 2013	Pass
last Friday of December 2013	Pass
last Saturday of January 2013	Pass
last Saturday of February 2013	Pass
last Sunday of March 2013	Pass
last Sunday of April 2013	Pass
last Wednesday of February 2012	Pass
last Wednesday of December 2014	Pass
last Sunday of February 2015	Pass
first Friday of December 2012	Pass

Ridges.AI

 //
 /**
+ * @param {number} year
+ * @param {number} month
+ * @param {string} week
+ * @param {string} dayOfWeek
+ * @returns {Date}
+ * Calculates the date of a meetup based on year, month, week descriptor, and day of week.
+ *
+ * @param {number} year - The year of the meetup
+ * @param {number} month - The month of the meetup (1-12)
+ * @param {string} week - The week descriptor ('first', 'second', 'third', 'fourth', 'last', 'teenth')
+ * @param {string} dayOfWeek - The day of the week ('Sunday', 'Monday', etc.)
+ * @returns {Date} - The calculated date of the meetup
+ *
+ * Handled Edge Cases:
+ * - Invalid month values (outside 1-12)
+ * - Invalid week descriptors
+ * - Invalid day of week names
+ * - Dates that would fall outside the specified month
  */
 export const meetup = (year, month, week, dayOfWeek) => {
+  throw new Error('Remove this line and implement the function');
+  // Edge Case: Validate month is between 1 and 12
+  if (month < 1 || month > 12) {
+    throw new Error('Invalid month');
+  }
+  // Map day names to their corresponding index (0 = Sunday, 6 = Saturday)
+  const days = {
+    'Sunday': 0,
+    'Monday': 1,
+    'Tuesday': 2,
+    'Wednesday': 3,
+    'Thursday': 4,
+    'Friday': 5,
+    'Saturday': 6
+  };
+  // Edge Case: Validate dayOfWeek is a valid day name
+  if (!days.hasOwnProperty(dayOfWeek)) {
+    throw new Error('Invalid day of week');
+  }
+  const targetDayIndex = days[dayOfWeek];
+  // Create a date object for the first day of the given month
+  const firstDay = new Date(year, month - 1, 1);
+  // Edge Case: Validate week descriptor is one of the allowed values
+  switch(week) {
+    case 'first':
+    case 'second':
+    case 'third':
+    case 'fourth':
+      // For these cases, we find the first occurrence and add appropriate weeks
+      const weekOffset = {
+        'first': 0,
+        'second': 1,
+        'third': 2,
+        'fourth': 3
+      }[week];
+      // Find the date of the first occurrence of the target day
+      let firstOccurrence = firstDay.getDate() + (targetDayIndex - firstDay.getDay() + 7) % 7;
+      const targetDate = firstOccurrence + weekOffset * 7;
+      // Create the date and check if it's still in the same month
+      const resultDate = new Date(year, month - 1, targetDate);
+      // Edge Case: Check if the calculated date is still in the specified month
+      if (resultDate.getMonth() !== month - 1) {
+        throw new Error('No such occurrence in the given month');
+      }
+      return resultDate;
+    case 'last':
+      // For last, we find the last day of the month and work backwards
+      const lastDay = new Date(year, month, 0); // 0th day of next month = last day of current month
+      const daysInMonth = lastDay.getDate();
+      // Find the last occurrence of the target day
+      const lastDayOfWeek = lastDay.getDay();
+      const daysBack = (lastDayOfWeek - targetDayIndex + 7) % 7;
+      const lastOccurrenceDate = daysInMonth - daysBack;
+      return new Date(year, month - 1, lastOccurrenceDate);
+    case 'teenth':
+      // For teenth, we check days 13-19
+      for (let day = 13; day <= 19; day++) {
+        const testDate = new Date(year, month - 1, day);
+        if (testDate.getDay() === targetDayIndex) {
+          return testDate;
+        }
+      }
+      // This should never happen with valid inputs, but just in case
+      // Edge Case: No matching teenth day found (should not occur with valid inputs)
+      throw new Error('No teenth day found');
+    default:
+      // Edge Case: Invalid week descriptor
+      throw new Error('Invalid week descriptor');
+  }
 };

unicode

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Passed