MCP Time Server Node

#!/usr/bin/env node /** * Verify Business Hours Behavior with date-fns * * This script tests how business hours calculations should work with date-fns * to ensure our implementation matches expected behavior. */ const { parseISO, format, setHours, setMinutes, isWithinInterval, eachDayOfInterval, isWeekend, differenceInMinutes, getDay, isSameDay, addDays, startOfDay, endOfDay, } = require('date-fns'); const { toDate, formatInTimeZone } = require('date-fns-tz'); console.log('=== Business Hours Behavior Verification ===\n'); // Test 1: Define business hours console.log('1. Business Hours Definition:'); const businessHours = { start: { hour: 9, minute: 0 }, // 9:00 AM end: { hour: 17, minute: 0 }, // 5:00 PM }; console.log('Standard business hours: 9:00 AM - 5:00 PM'); // Test 2: Check if a time is within business hours console.log('\n2. Check if time is within business hours:'); const testDate = parseISO('2025-01-20T10:30:00'); const businessStart = setMinutes( setHours(testDate, businessHours.start.hour), businessHours.start.minute, ); const businessEnd = setMinutes( setHours(testDate, businessHours.end.hour), businessHours.end.minute, ); console.log('Test time:', format(testDate, 'yyyy-MM-dd HH:mm')); console.log('Business start:', format(businessStart, 'HH:mm')); console.log('Business end:', format(businessEnd, 'HH:mm')); console.log( 'Is within business hours:', isWithinInterval(testDate, { start: businessStart, end: businessEnd }), ); // Test 3: Before business hours const beforeHours = parseISO('2025-01-20T08:30:00'); console.log( '\nBefore hours (8:30 AM):', isWithinInterval(beforeHours, { start: setMinutes(setHours(beforeHours, 9), 0), end: setMinutes(setHours(beforeHours, 17), 0), }), ); // Test 4: After business hours const afterHours = parseISO('2025-01-20T18:30:00'); console.log( 'After hours (6:30 PM):', isWithinInterval(afterHours, { start: setMinutes(setHours(afterHours, 9), 0), end: setMinutes(setHours(afterHours, 17), 0), }), ); // Test 5: Calculate business hours in a single day console.log('\n3. Calculate business hours in a single day:'); const workDay = parseISO('2025-01-20T12:00:00'); // Monday const dayStart = setMinutes(setHours(workDay, 9), 0); const dayEnd = setMinutes(setHours(workDay, 17), 0); const businessMinutes = differenceInMinutes(dayEnd, dayStart); console.log('Business hours in a day:', businessMinutes / 60, 'hours'); // Test 6: Calculate business hours between two timestamps console.log('\n4. Business hours between timestamps:'); const start = parseISO('2025-01-20T14:30:00'); // Monday 2:30 PM const end = parseISO('2025-01-22T11:30:00'); // Wednesday 11:30 AM console.log('Start:', format(start, 'yyyy-MM-dd HH:mm (EEEE)')); console.log('End:', format(end, 'yyyy-MM-dd HH:mm (EEEE)')); // Calculate business hours let totalBusinessMinutes = 0; const days = eachDayOfInterval({ start, end }); days.forEach((day, index) => { if (!isWeekend(day)) { let dayBusinessStart = setMinutes(setHours(day, 9), 0); let dayBusinessEnd = setMinutes(setHours(day, 17), 0); // First day: use actual start time if within business hours if (index === 0 && isWithinInterval(start, { start: dayBusinessStart, end: dayBusinessEnd })) { dayBusinessStart = start; } else if (index === 0 && start.getTime() > dayBusinessEnd.getTime()) { // Started after business hours return; } // Last day: use actual end time if within business hours if ( index === days.length - 1 && isWithinInterval(end, { start: dayBusinessStart, end: dayBusinessEnd }) ) { dayBusinessEnd = end; } else if (index === days.length - 1 && end.getTime() < dayBusinessStart.getTime()) { // Ended before business hours return; } const minutes = Math.max(0, differenceInMinutes(dayBusinessEnd, dayBusinessStart)); totalBusinessMinutes += minutes; console.log(`Day ${index + 1} (${format(day, 'EEE')}):`, minutes / 60, 'hours'); } }); console.log('Total business hours:', totalBusinessMinutes / 60, 'hours'); // Test 7: Different business hours per day console.log('\n5. Different business hours per day:'); const weekSchedule = { 0: null, // Sunday - closed 1: { start: { hour: 9, minute: 0 }, end: { hour: 17, minute: 0 } }, // Monday 2: { start: { hour: 9, minute: 0 }, end: { hour: 17, minute: 0 } }, // Tuesday 3: { start: { hour: 9, minute: 0 }, end: { hour: 17, minute: 0 } }, // Wednesday 4: { start: { hour: 9, minute: 0 }, end: { hour: 17, minute: 0 } }, // Thursday 5: { start: { hour: 9, minute: 0 }, end: { hour: 13, minute: 0 } }, // Friday - half day 6: null, // Saturday - closed }; const friday = parseISO('2025-01-24'); const fridayHours = weekSchedule[getDay(friday)]; if (fridayHours) { const fridayStart = setMinutes( setHours(friday, fridayHours.start.hour), fridayHours.start.minute, ); const fridayEnd = setMinutes(setHours(friday, fridayHours.end.hour), fridayHours.end.minute); console.log('Friday hours:', format(fridayStart, 'HH:mm'), '-', format(fridayEnd, 'HH:mm')); console.log('Friday business hours:', differenceInMinutes(fridayEnd, fridayStart) / 60, 'hours'); } // Test 8: Timezone-aware business hours console.log('\n6. Timezone-aware business hours:'); const nycTime = '2025-01-20T10:00:00'; const nycDate = toDate(nycTime, { timeZone: 'America/New_York' }); const tokyoTime = formatInTimeZone(nycDate, 'Asia/Tokyo', 'yyyy-MM-dd HH:mm zzz'); console.log('NYC time:', nycTime, '(business hours)'); console.log('Tokyo time:', tokyoTime); // Check if NYC business hours const nycBusinessStart = toDate('2025-01-20T09:00:00', { timeZone: 'America/New_York' }); const nycBusinessEnd = toDate('2025-01-20T17:00:00', { timeZone: 'America/New_York' }); console.log( 'Is within NYC business hours:', nycDate >= nycBusinessStart && nycDate <= nycBusinessEnd, ); // Test 9: Edge cases console.log('\n7. Edge cases:'); // Exact business start const exactStart = setMinutes(setHours(parseISO('2025-01-20'), 9), 0); const exactStartCheck = isWithinInterval(exactStart, { start: setMinutes(setHours(exactStart, 9), 0), end: setMinutes(setHours(exactStart, 17), 0), }); console.log('Exactly at 9:00 AM:', exactStartCheck); // Exact business end const exactEnd = setMinutes(setHours(parseISO('2025-01-20'), 17), 0); const exactEndCheck = isWithinInterval(exactEnd, { start: setMinutes(setHours(exactEnd, 9), 0), end: setMinutes(setHours(exactEnd, 17), 0), }); console.log('Exactly at 5:00 PM:', exactEndCheck); // One minute before end const beforeEnd = setMinutes(setHours(parseISO('2025-01-20'), 16), 59); const beforeEndCheck = isWithinInterval(beforeEnd, { start: setMinutes(setHours(beforeEnd, 9), 0), end: setMinutes(setHours(beforeEnd, 17), 0), }); console.log('At 4:59 PM:', beforeEndCheck); // Test 10: Holiday handling console.log('\n8. Holiday handling:'); const holidays = [ parseISO('2025-01-20'), // Monday holiday parseISO('2025-01-21'), // Tuesday holiday ]; const checkDate = parseISO('2025-01-20T10:00:00'); const isHoliday = holidays.some((h) => isSameDay(checkDate, h)); console.log('Is 2025-01-20 a holiday?', isHoliday); console.log('Business hours on holiday: 0 (typically)'); console.log('\n=== Verification Complete ===');