Calendar Events

[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_217":218,"_219":220},"routes/_app.x.$handle.$name",{"_99":98,"_38":50,"_107":89,"_33":108,"_13":14,"_109":-5,"_11":110,"_111":112,"_113":114,"_115":116,"_117":118,"_26":-5,"_119":-5,"_120":-5,"_121":31,"_122":123,"_124":125,"_126":-5,"_127":-5,"_128":129},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":18,"_19":-5},"project",{"_48":49,"_38":50,"_43":51,"_52":-5,"_53":31,"_54":55,"_56":55,"_57":-5,"_58":-5,"_19":59,"_60":-5,"_61":31,"_62":-5,"_63":-5,"_64":65,"_66":67,"_68":-5,"_69":-5,"_70":-5,"_71":-5,"_72":73,"_74":73,"_75":76,"_77":76,"_78":76,"_79":73,"_80":73,"_81":82,"_83":84,"_85":86,"_87":31},"version",121,"changes",[25],"aiChatInfo",{"_20":21,"_22":-5,"_23":-5,"_24":-5},"userId","aiChatMessageId","62879b50-1b1e-4ee6-9f36-bc6550f64fb1","aiChatThreadId","aiChatThreadUserId","aiChatThreadTitle",{"_26":27,"_28":29,"_30":31,"_32":31,"_33":34,"_35":34},"file",{"_36":37,"_38":34,"_39":26,"_40":42,"_43":44,"_45":14,"_46":47,"_30":31},"previous",{"_36":37,"_38":34,"_39":26,"_40":41},"deleted",false,"deletedHere","path","README.md","latestPath","fileId","0f140f26-046a-11f1-b024-42dde27851f2","name","fileType","content","# Calendar Events Display\n\nA Val Town application that fetches and displays Google Calendar events with translation support.\n\n## Structure\n\n```\n├── backend/\n│ └── index.ts # Main Hono app with routes\n├── shared/\n│ └── calendar.ts # Shared calendar parsing and HTML generation\n├── index.ts # Entry point (redirects to backend)\n└── README.md\n```\n\n## Environment Variables\n\n- `GOOGLE_CALENDAR_URL` - The public iCal URL for your Google Calendar\n\n## Endpoints\n\n### Main Application\n- `GET /` - Displays formatted calendar events with translation support\n\n### Debug Endpoints\n- `GET /debug/raw-calendar` - Returns the raw iCal data from Google Calendar\n- `GET /debug/parsed-events` - Returns parsed events in JSON format\n\n## Features\n\n- Fetches events from yesterday to 2 months in the future\n- Displays events in Pacific Time\n- Google Translate integration with URL parameter support (`?lang=es`)\n- Responsive design matching Givebacks style\n- Debug endpoints for troubleshooting calendar data\n\n## Usage\n\n1. Set the `GOOGLE_CALENDAR_URL` environment variable to your public Google Calendar iCal URL\n2. Visit the main endpoint to see formatted events\n3. Use debug endpoints to troubleshoot calendar data issues\n4. Add `?lang=` to translate the page (e.g., `?lang=es` for Spanish)","# Calendar Events Display\n\nA Val Town application that fetches and displays Google Calendar events with translation support.\n\n## Structure\n\n```\n├── backend/\n│ └── index.ts # Main Hono app with routes\n├── shared/\n│ └── calendar.ts # Shared calendar parsing and HTML generation\n├── index.ts # Entry point (redirects to backend)\n└── README.md\n```\n\n## Environment Variables\n\n- `GOOGLE_CALENDAR_URL` - The public iCal URL for your Google Calendar\n\n## Endpoints\n\n### Main Application\n- `GET /` - Displays formatted calendar events with translation support\n\n### Debug Endpoints\n- `GET /debug/raw-calendar` - Returns the raw iCal data from Google Calendar\n- `GET /debug/parsed-events` - Returns parsed events in JSON format\n\n## Features\n\n- Fetches events from yesterday to 2 months in the future\n- Displays events in Pacific Time\n- Parses `DTEND` and shows the end of an event when it has one:\n - `Saturday, March 1 at 2:00 PM – 4:00 PM` (same day)\n - `Saturday, March 1 at 10:00 PM – Sunday, March 2 at 1:00 AM` (overnight)\n - `Monday, March 3 – Wednesday, March 5` (multi-day all-day event; `DTEND` is\n exclusive per RFC 5545, so the last displayed day is `DTEND` minus one day)\n - Recurring events reuse the first occurrence's duration for every instance\n- Google Translate integration with URL parameter support (`?lang=es`)\n- Responsive design matching Givebacks style\n- Debug endpoints for troubleshooting calendar data\n\n## Usage\n\n1. Set the `GOOGLE_CALENDAR_URL` environment variable to your public Google Calendar iCal URL\n2. Visit the main endpoint to see formatted events\n3. Use debug endpoints to troubleshoot calendar data issues\n4. Add `?lang=` to translate the page (e.g., `?lang=es` for Spanish)","createdAt",["D",1786657202450],"branchVersion","branchId","15438552-f3ee-11f0-9fd1-42dde27851f2","id","154334ee-f3ee-11f0-9fd1-42dde27851f2","dpiscal",["D",1768686433294],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","imageUrl","cea41dc4-b4c3-4a38-8ee6-ee9b5960fda2","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount",0,"orgId","dbeafde9-66b9-4cff-8625-2da1195a1c5d","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_99":98,"_106":102},"org",{"_99":98,"_100":-5,"_101":102,"_19":59,"_103":104,"_105":31},"branch",{"_13":88,"_38":89,"_48":47,"_90":49,"_91":-5,"_92":-5,"_93":-5,"_94":-5,"_95":-5,"_96":50,"_97":98},"isOwned",127,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","halffullheart","handle","displayName","avatar","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvb2F1dGhfZ2l0aHViL2ltZ18yaGQyZVFDeXM0U3YzNkpjdHpudnBqcHRtOGQifQ","tier","pro","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_48":49,"_38":50,"_43":213,"_52":-5,"_53":31,"_54":55,"_56":55,"_57":-5,"_58":-5,"_19":59,"_60":-5,"_61":31,"_62":-5,"_63":-5,"_64":65,"_66":67,"_68":-5,"_69":-5,"_70":-5,"_71":-5,"_72":73,"_74":73,"_75":76,"_77":76,"_78":76,"_79":73,"_80":73,"_81":214,"_83":215,"_85":216,"_87":31},"tree",[176,179,180,181],"files",[176,177,178,179,180,181],"counts",{"_165":65,"_166":156,"_167":65,"_168":169,"_170":171},"contents",[130,131,132,133],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles",true,"grants","orgs","customDomains",{},{"_48":158,"_38":159,"_36":160,"_137":-5,"_46":47,"_45":161,"_139":125,"_43":162,"_13":65,"_39":163,"_40":-5,"_30":31,"_143":-5,"_33":164},{"_48":154,"_38":34,"_36":37,"_137":-5,"_46":47,"_45":14,"_139":31,"_43":155,"_13":156,"_39":26,"_40":42,"_30":31,"_143":-5,"_33":157},{"_48":145,"_38":146,"_36":147,"_137":-5,"_46":47,"_45":148,"_139":125,"_43":149,"_13":150,"_39":151,"_40":152,"_30":31,"_143":50,"_33":153},{"_48":134,"_38":135,"_36":136,"_137":-5,"_46":47,"_45":138,"_139":125,"_43":140,"_13":141,"_39":26,"_40":142,"_30":31,"_143":-5,"_33":144},"dafdc7a6-09ee-11f1-b236-42dde27851f2","template.html","dbb01d78-0473-11f1-9881-42dde27851f2","parentId",105,"latest",["D",1771105690597],33,"\n\n \n \n \n Calendar Events\n \n \n \n

Upcoming Events

\n {{EVENTS_CONTENT}} {{PREVIEW_LINK}}\n \n","label",[135],"5923b0a4-09eb-11f1-8e20-42dde27851f2","index.ts","0aa20276-f3fe-11f0-ae7d-42dde27851f2",87,["D",1771104184257],48,"http","import { Hono } from \"https://esm.sh/hono@3.11.7\";\nimport { googleTranslate } from \"https://esm.town/v/halffullheart/dpispta/shared/google-translate.ts\";\nimport { generateHTML, parseICalEvents } from \"./shared/calendar.ts\";\nimport { getCalendarUrl } from \"./shared/env.ts\";\n\nconst app = new Hono();\n\n// Unwrap Hono errors to see original error details\napp.onError((err) => Promise.reject(err));\n\n// Main calendar endpoint\napp.get(\"/\", async (c) => {\n try {\n // Get language code from query parameter (default to null/no translation)\n const lang = c.req.query(\"lang\");\n // Get preview mode from query parameter\n const isPreview = c.req.query(\"preview\") !== undefined;\n\n // Get calendar ID from environment variable\n const calendarUrl = getCalendarUrl();\n\n // Calculate date range (yesterday to 2 months from today)\n const now = new Date();\n const yesterday = new Date(now);\n yesterday.setDate(yesterday.getDate() - 1);\n yesterday.setHours(0, 0, 0, 0);\n\n const twoMonthsFromNow = new Date(now);\n twoMonthsFromNow.setMonth(twoMonthsFromNow.getMonth() + 2);\n twoMonthsFromNow.setHours(23, 59, 59, 999);\n\n console.log(\"Fetching calendar events from\", calendarUrl);\n\n const response = await fetch(calendarUrl);\n\n if (!response.ok) {\n const errorText = await response.text();\n return c.text(\n `Failed to fetch calendar events: ${response.status} ${errorText}`,\n 500,\n );\n }\n\n // Parse iCal data\n const icalData = await response.text();\n const events = parseICalEvents(icalData, yesterday, twoMonthsFromNow);\n\n // Build the URL for \"See all events\" link (base URL without preview param)\n const baseUrl = new URL(c.req.url);\n baseUrl.searchParams.delete(\"preview\");\n const fullViewUrl = baseUrl.toString();\n\n // Generate HTML\n let html = await generateHTML(events, isPreview, fullViewUrl);\n\n // Translate HTML if language code is provided\n if (lang) {\n console.log(`Translating to language: ${lang}`);\n html = await googleTranslate(html, lang);\n }\n\n return c.html(html);\n } catch (error) {\n return c.text(`Error: ${error.message}`, 500);\n }\n});\n\n// Debug endpoint for raw calendar data\napp.get(\"/debug/raw-calendar\", async (c) => {\n try {\n const calendarUrl = getCalendarUrl();\n\n console.log(\"Fetching raw calendar data from\", calendarUrl);\n\n const response = await fetch(calendarUrl);\n\n if (!response.ok) {\n const errorText = await response.text();\n return c.json({\n error: `Failed to fetch calendar: ${response.status}`,\n details: errorText,\n url: calendarUrl,\n }, 500);\n }\n\n const icalData = await response.text();\n\n return c.text(icalData);\n } catch (error) {\n return c.json({\n error: \"Failed to fetch raw calendar data\",\n details: error.message,\n }, 500);\n }\n});\n\n// Debug endpoint for parsed events\napp.get(\"/debug/parsed-events\", async (c) => {\n try {\n const calendarUrl = getCalendarUrl();\n\n // Calculate date range (yesterday to 2 months from today)\n const now = new Date();\n const yesterday = new Date(now);\n yesterday.setDate(yesterday.getDate() - 1);\n yesterday.setHours(0, 0, 0, 0);\n\n const twoMonthsFromNow = new Date(now);\n twoMonthsFromNow.setMonth(twoMonthsFromNow.getMonth() + 2);\n twoMonthsFromNow.setHours(23, 59, 59, 999);\n\n const response = await fetch(calendarUrl);\n\n if (!response.ok) {\n const errorText = await response.text();\n return c.json({\n error: `Failed to fetch calendar: ${response.status}`,\n details: errorText,\n }, 500);\n }\n\n const icalData = await response.text();\n const events = parseICalEvents(icalData, yesterday, twoMonthsFromNow);\n\n return c.json({\n success: true,\n dateRange: {\n start: yesterday.toISOString(),\n end: twoMonthsFromNow.toISOString(),\n },\n eventCount: events.length,\n events: events,\n timestamp: new Date().toISOString(),\n });\n } catch (error) {\n return c.json({\n error: \"Failed to parse calendar events\",\n details: error.message,\n }, 500);\n }\n});\n\nexport default app.fetch;",[146],"09220641-94e0-458a-ad79-5b35f7e0731f",["D",1786657202450],1,[34],"088d9366-046a-11f1-a639-42dde27851f2","shared","59bc6f62-0fa2-4497-b15a-7be05c626a1f",30,["D",1770498888162],"directory",[159],"pulls","branches","forks","envVars",{"_172":174,"_175":65},"connections",{"_172":65,"_173":65},"count","unfilledCount",3,"emptyCount",{"_48":158,"_38":159,"_36":160,"_137":-5,"_46":47,"_45":161,"_139":125,"_43":210,"_13":65,"_39":163,"_40":-5,"_30":31,"_143":-5,"_183":211,"_33":212},{"_48":201,"_38":202,"_36":203,"_137":160,"_46":47,"_45":204,"_139":31,"_43":205,"_13":206,"_39":197,"_40":207,"_30":31,"_143":-5,"_183":208,"_33":209},{"_48":192,"_38":193,"_36":194,"_137":160,"_46":47,"_45":195,"_139":125,"_43":196,"_13":65,"_39":197,"_40":198,"_30":31,"_143":-5,"_183":199,"_33":200},{"_48":154,"_38":34,"_36":37,"_137":-5,"_46":47,"_45":14,"_139":31,"_43":189,"_13":156,"_39":26,"_40":42,"_30":31,"_143":-5,"_183":190,"_33":191},{"_48":145,"_38":146,"_36":147,"_137":-5,"_46":47,"_45":148,"_139":125,"_43":186,"_13":150,"_39":151,"_40":152,"_30":31,"_143":50,"_183":187,"_33":188},{"_48":134,"_38":135,"_36":136,"_137":-5,"_46":47,"_45":138,"_139":125,"_43":182,"_13":141,"_39":26,"_40":142,"_30":31,"_143":-5,"_183":184,"_33":185},["D",1771105690597],"children",[],[135],["D",1771104184257],[],[146],["D",1786657202450],[],[34],"438254e0-0472-11f1-93c2-42dde27851f2","env.ts","438255a8-0472-11f1-93c2-42dde27851f2",43,["D",1770502423052],"script","/**\n * Get the Google Calendar URL from environment variables\n * @returns The calendar URL\n * @throws Error if GOOGLE_CALENDAR_URL is not set\n */\nexport function getCalendarUrl(): string {\n const calendarUrl = Deno.env.get(\"GOOGLE_CALENDAR_URL\");\n\n if (!calendarUrl) {\n throw new Error(\"GOOGLE_CALENDAR_URL environment variable is not set\");\n }\n\n return calendarUrl;\n}\n",[],[159,193],"a5869187-5cf3-4162-8670-1a9152c1bf98","calendar.ts","088d4992-046a-11f1-a639-42dde27851f2",118,["D",1786657172932],25,"// Shared calendar parsing and HTML generation functions\n\nexport interface CalendarEvent {\n summary?: string;\n description?: string;\n start: string;\n /**\n * Event end, in the same format as `start`. Optional: not every event has a\n * DTEND. Note that for all-day events DTEND is *exclusive* (per RFC 5545),\n * so a one-day event on the 5th has an end of the 6th.\n */\n end?: string;\n isAllDay: boolean;\n}\n\ninterface ParsedICalDate {\n value: string;\n isAllDay: boolean;\n timezone?: string;\n}\n\n/**\n * Parse a DTSTART/DTEND line (e.g. `DTEND;TZID=America/Los_Angeles:20240115T150000`)\n * into a normalized date string plus its all-day flag and timezone.\n */\nfunction parseICalDateLine(line: string): ParsedICalDate | null {\n const colonIndex = line.indexOf(\":\");\n if (colonIndex === -1) return null;\n\n const params = line.substring(0, colonIndex);\n const rawValue = line.substring(colonIndex + 1).trim();\n if (!rawValue) return null;\n\n const tzMatch = params.match(/TZID=([^;:]+)/);\n const timezone = tzMatch ? tzMatch[1] : undefined;\n\n if (rawValue.includes(\"T\")) {\n // DateTime format: 20240115T140000Z or 20240115T140000\n return {\n value: rawValue.replace(\n /(\\d{4})(\\d{2})(\\d{2})T(\\d{2})(\\d{2})(\\d{2})Z?/,\n \"$1-$2-$3T$4:$5:$6Z\",\n ),\n isAllDay: false,\n timezone,\n };\n }\n\n // Date only format: 20240115\n return {\n value: rawValue.replace(/(\\d{4})(\\d{2})(\\d{2})/, \"$1-$2-$3\"),\n isAllDay: true,\n timezone,\n };\n}\n\nexport function parseICalEvents(\n icalData: string,\n startDate: Date,\n endDate: Date,\n): CalendarEvent[] {\n const events: CalendarEvent[] = [];\n\n // First, unfold the lines (continuation lines start with space/tab)\n const rawLines = icalData.split(/\\r?\\n/);\n const unfoldedLines: string[] = [];\n\n for (let i = 0; i < rawLines.length; i++) {\n const line = rawLines[i];\n\n // If this line starts with space or tab, it's a continuation\n if (line.startsWith(\" \") || line.startsWith(\"\\t\")) {\n // Append to the previous line (removing the leading whitespace)\n if (unfoldedLines.length > 0) {\n unfoldedLines[unfoldedLines.length - 1] += line.substring(1);\n }\n } else {\n // New line\n unfoldedLines.push(line);\n }\n }\n\n let currentEvent: Partial & { \n rrule?: string; \n timezone?: string;\n dtstart?: string;\n dtend?: string;\n } | null = null;\n let inEvent = false;\n\n for (const line of unfoldedLines) {\n const trimmedLine = line.trim();\n\n if (trimmedLine === \"BEGIN:VEVENT\") {\n inEvent = true;\n currentEvent = {};\n } else if (trimmedLine === \"END:VEVENT\" && inEvent) {\n if (currentEvent && currentEvent.start) {\n // If this event has a recurrence rule, expand it\n if (currentEvent.rrule && currentEvent.dtstart) {\n const expandedEvents = expandRecurringEvent(\n currentEvent,\n startDate,\n endDate,\n );\n events.push(...expandedEvents);\n } else {\n // Check if single event is in our date range\n const eventDate = new Date(currentEvent.start);\n if (eventDate >= startDate && eventDate <= endDate) {\n events.push(currentEvent as CalendarEvent);\n }\n }\n }\n currentEvent = null;\n inEvent = false;\n } else if (inEvent && currentEvent) {\n if (trimmedLine.startsWith(\"SUMMARY:\")) {\n currentEvent.summary = trimmedLine.substring(8);\n } else if (trimmedLine.startsWith(\"DESCRIPTION:\")) {\n currentEvent.description = trimmedLine.substring(12);\n } else if (trimmedLine.startsWith(\"RRULE:\")) {\n currentEvent.rrule = trimmedLine.substring(6);\n } else if (trimmedLine.startsWith(\"DTSTART\")) {\n // Store the raw DTSTART line for timezone-aware parsing\n currentEvent.dtstart = trimmedLine;\n\n const parsed = parseICalDateLine(trimmedLine);\n if (parsed) {\n if (parsed.timezone) currentEvent.timezone = parsed.timezone;\n currentEvent.start = parsed.value;\n currentEvent.isAllDay = parsed.isAllDay;\n }\n } else if (trimmedLine.startsWith(\"DTEND\")) {\n // Store the raw DTEND line so recurring events can derive a duration\n currentEvent.dtend = trimmedLine;\n\n const parsed = parseICalDateLine(trimmedLine);\n if (parsed) {\n currentEvent.end = parsed.value;\n }\n }\n }\n }\n\n // Sort events by start time\n return events.sort((a, b) =>\n new Date(a.start).getTime() - new Date(b.start).getTime()\n );\n}\n\nfunction expandRecurringEvent(\n event: Partial & { \n rrule: string; \n timezone?: string;\n dtstart: string;\n dtend?: string;\n },\n startDate: Date,\n endDate: Date,\n): CalendarEvent[] {\n const expandedEvents: CalendarEvent[] = [];\n\n // Every occurrence of a recurring event lasts as long as the first one, so\n // derive the duration once and apply it to each generated instance.\n const durationMs = event.start && event.end\n ? new Date(event.end).getTime() - new Date(event.start).getTime()\n : 0;\n\n const withEnd = (start: Date): string | undefined =>\n durationMs > 0 ? new Date(start.getTime() + durationMs).toISOString() : undefined;\n \n // Parse RRULE\n const rruleParts = event.rrule.split(\";\").reduce((acc, part) => {\n const [key, value] = part.split(\"=\");\n acc[key] = value;\n return acc;\n }, {} as Record);\n\n const freq = rruleParts.FREQ;\n const byDay = rruleParts.BYDAY;\n \n if (!freq) return [];\n\n // Parse the original start date\n const dtstartValue = event.dtstart.split(\":\")[1];\n if (!dtstartValue) return [];\n\n // Parse the base date and time\n const match = dtstartValue.match(/(\\d{4})(\\d{2})(\\d{2})T(\\d{2})(\\d{2})(\\d{2})/);\n if (!match) return [];\n \n const [, year, month, day, hour, minute, second] = match;\n \n // Create base date in the specified timezone (or UTC if none)\n let baseDate: Date;\n if (event.timezone === \"America/Los_Angeles\") {\n // For Pacific time, convert to UTC by adding the offset\n // PST is UTC-8, PDT is UTC-7\n // This is simplified - ideally would use a proper timezone library\n const localDate = new Date(`${year}-${month}-${day}T${hour}:${minute}:${second}`);\n // Determine if DST is in effect (rough approximation)\n const monthNum = parseInt(month);\n const isDST = monthNum >= 3 && monthNum <= 10; // March through October is roughly DST\n const offsetHours = isDST ? 7 : 8;\n baseDate = new Date(localDate.getTime() + offsetHours * 60 * 60 * 1000);\n } else {\n baseDate = new Date(`${year}-${month}-${day}T${hour}:${minute}:${second}Z`);\n }\n\n // Start from the base date, but we'll fast-forward to find occurrences in our range\n let currentDate = new Date(baseDate);\n \n // Generate instances up to the end date (with a reasonable limit)\n let iterationCount = 0;\n const maxIterations = 100; // Safety limit\n\n while (currentDate <= endDate && iterationCount < maxIterations) {\n iterationCount++;\n \n // For MONTHLY with BYDAY, we need to find the specific day in the month\n if (freq === \"MONTHLY\" && byDay) {\n const targetDate = findByDayInMonth(currentDate, byDay);\n if (targetDate) {\n // Check if this instance is within our range\n if (targetDate >= startDate && targetDate <= endDate) {\n expandedEvents.push({\n summary: event.summary,\n description: event.description,\n start: targetDate.toISOString(),\n end: withEnd(targetDate),\n isAllDay: event.isAllDay || false,\n });\n }\n }\n // Move to next month\n currentDate.setMonth(currentDate.getMonth() + 1);\n } else {\n // Check if this instance is within our range\n if (currentDate >= startDate) {\n expandedEvents.push({\n summary: event.summary,\n description: event.description,\n start: currentDate.toISOString(),\n end: withEnd(currentDate),\n isAllDay: event.isAllDay || false,\n });\n }\n\n // Move to the next occurrence based on frequency\n if (freq === \"MONTHLY\") {\n currentDate.setMonth(currentDate.getMonth() + 1);\n } else if (freq === \"WEEKLY\") {\n currentDate.setDate(currentDate.getDate() + 7);\n } else if (freq === \"DAILY\") {\n currentDate.setDate(currentDate.getDate() + 1);\n } else if (freq === \"YEARLY\") {\n currentDate.setFullYear(currentDate.getFullYear() + 1);\n } else {\n // Unknown frequency, break to avoid infinite loop\n break;\n }\n }\n }\n\n return expandedEvents;\n}\n\nfunction findByDayInMonth(date: Date, byDay: string): Date | null {\n // BYDAY format examples: \"2FR\" = 2nd Friday, \"MO\" = every Monday, \"-1SA\" = last Saturday\n \n const weekdayMap: Record = {\n SU: 0, MO: 1, TU: 2, WE: 3, TH: 4, FR: 5, SA: 6,\n };\n\n // Extract the position and day\n const match = byDay.match(/^(-?\\d+)?([A-Z]{2})$/);\n if (!match) return null;\n\n const [, posStr, dayCode] = match;\n const targetWeekday = weekdayMap[dayCode];\n \n if (targetWeekday === undefined) return null;\n\n const year = date.getFullYear();\n const month = date.getMonth();\n const hour = date.getHours();\n const minute = date.getMinutes();\n const second = date.getSeconds();\n\n if (!posStr) {\n // No position specified - this would match every occurrence (not typically used in RRULE)\n return null;\n }\n\n const position = parseInt(posStr);\n\n if (position > 0) {\n // Find the Nth occurrence of the weekday in the month\n const firstDayOfMonth = new Date(Date.UTC(year, month, 1));\n const firstWeekday = firstDayOfMonth.getUTCDay();\n \n // Calculate the date of the first occurrence of target weekday\n let daysUntilTarget = (targetWeekday - firstWeekday + 7) % 7;\n let targetDate = 1 + daysUntilTarget;\n \n // Add weeks to get to the Nth occurrence\n targetDate += (position - 1) * 7;\n \n // Check if this date exists in the month\n const resultDate = new Date(Date.UTC(year, month, targetDate, hour, minute, second));\n if (resultDate.getUTCMonth() !== month) {\n // Date doesn't exist (e.g., 5th Monday in a month with only 4)\n return null;\n }\n \n return resultDate;\n } else {\n // Negative position: find from the end of the month\n const lastDayOfMonth = new Date(Date.UTC(year, month + 1, 0));\n const lastDate = lastDayOfMonth.getUTCDate();\n const lastWeekday = lastDayOfMonth.getUTCDay();\n \n // Find the last occurrence of the target weekday\n let daysBack = (lastWeekday - targetWeekday + 7) % 7;\n let targetDate = lastDate - daysBack;\n \n // Go back the specified number of weeks\n targetDate -= (Math.abs(position) - 1) * 7;\n \n if (targetDate < 1) {\n return null;\n }\n \n return new Date(Date.UTC(year, month, targetDate, hour, minute, second));\n }\n}\n\nfunction matchesByDay(date: Date, byDay: string): boolean {\n // BYDAY format examples: \"2FR\" = 2nd Friday, \"MO\" = every Monday, \"-1SA\" = last Saturday\n \n const weekdayMap: Record = {\n SU: 0, MO: 1, TU: 2, WE: 3, TH: 4, FR: 5, SA: 6,\n };\n\n // Extract the position and day\n const match = byDay.match(/^(-?\\d+)?([A-Z]{2})$/);\n if (!match) return false;\n\n const [, posStr, dayCode] = match;\n const targetWeekday = weekdayMap[dayCode];\n \n if (targetWeekday === undefined) return false;\n\n const actualWeekday = date.getDay();\n \n // If no position specified, just match the weekday\n if (!posStr) {\n return actualWeekday === targetWeekday;\n }\n\n const position = parseInt(posStr);\n \n // Check if it's the correct weekday\n if (actualWeekday !== targetWeekday) return false;\n\n // Calculate which occurrence of this weekday it is in the month\n const dayOfMonth = date.getDate();\n const occurrenceInMonth = Math.ceil(dayOfMonth / 7);\n\n if (position > 0) {\n // Positive position: 1st, 2nd, 3rd, etc.\n return occurrenceInMonth === position;\n } else {\n // Negative position: last (-1), second to last (-2), etc.\n // Calculate from the end of the month\n const year = date.getFullYear();\n const month = date.getMonth();\n const lastDayOfMonth = new Date(year, month + 1, 0).getDate();\n const daysFromEnd = lastDayOfMonth - dayOfMonth;\n const occurrenceFromEnd = Math.floor(daysFromEnd / 7) + 1;\n return occurrenceFromEnd === Math.abs(position);\n }\n}\n\nexport async function generateHTML(\n events: CalendarEvent[],\n isPreview: boolean = false,\n fullViewUrl: string = \"\",\n): Promise {\n // Load the HTML template\n const templateUrl = import.meta.resolve(\"../template.html\");\n const templateResponse = await fetch(templateUrl);\n const template = await templateResponse.text();\n\n // Generate event HTML\n const eventHTML = events.map((event) => {\n // Parse event date/time\n const startDateTime = event.start;\n if (!startDateTime) return \"\";\n\n // Format the date (and end time, if the event has one) in Pacific Time\n const pacificDate = formatEventDateRange(event);\n\n const title = event.summary || \"Untitled Event\";\n const description = event.description || \"\";\n\n // Convert description to paragraphs\n // iCal uses \\n as the escape sequence for newlines in the data\n // iCal uses \\, for commas\n const descriptionParagraphs = description\n .replace(/\\\\,/g, \",\") // Convert escaped commas\n .replace(/\\\\n/g, \"\\n\") // Convert literal \\n to actual newlines\n .split(\"\\n\")\n .filter((p) => p.trim())\n .map((p) => `

${escapeHtml(p.trim())}

`)\n .join(\"\");\n\n return `\n

${escapeHtml(pacificDate)}

${escapeHtml(title)}

\n ${descriptionParagraphs}\n

\n `;\n }).join(\"\");\n\n // Replace the placeholder with actual content\n const eventsContent = eventHTML ||\n \"

No events found in the specified date range.

\";\n\n let html = template.replace(\"{{EVENTS_CONTENT}}\", eventsContent);\n\n // Replace preview mode placeholders\n if (isPreview) {\n html = html.replace(\"{{PREVIEW_CLASS}}\", ' class=\"preview-mode\"');\n html = html.replace(\n \"{{PREVIEW_LINK}}\",\n `See all upcoming events`,\n );\n } else {\n html = html.replace(\"{{PREVIEW_CLASS}}\", \"\");\n html = html.replace(\"{{PREVIEW_LINK}}\", \"\");\n }\n\n return html;\n}\n\nfunction escapeHtml(text: string): string {\n return text\n .replace(/&/g, \"&\")\n .replace(//g, \">\")\n .replace(/\"/g, \""\")\n .replace(/'/g, \"'\");\n}\nconst PACIFIC_TZ = \"America/Los_Angeles\";\nconst DAY_MS = 24 * 60 * 60 * 1000;\n\nconst dayFormatter = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: PACIFIC_TZ,\n weekday: \"long\",\n month: \"long\",\n day: \"numeric\",\n});\n\nconst timeFormatter = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: PACIFIC_TZ,\n hour: \"numeric\",\n minute: \"2-digit\",\n hour12: true,\n});\n\n// All-day values are plain calendar dates with no time zone, so they're\n// formatted in UTC (the zone they were parsed into) to avoid slipping back a\n// day when rendered in Pacific time.\nconst allDayFormatter = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: \"UTC\",\n weekday: \"long\",\n month: \"long\",\n day: \"numeric\",\n});\n\n/**\n * Render an event's date/time for display, including its end when it has one:\n * \"Saturday, March 1 at 2:00 PM\" (no DTEND)\n * \"Saturday, March 1 at 2:00 PM – 4:00 PM\" (same day)\n * \"Saturday, March 1 at 10:00 PM – Sunday, March 2 at 1:00 AM\" (overnight)\n * \"Monday, March 3 – Wednesday, March 5\" (all-day span)\n */\nexport function formatEventDateRange(event: CalendarEvent): string {\n const start = new Date(event.start);\n const end = event.end ? new Date(event.end) : null;\n const hasEnd = !!end && !isNaN(end.getTime()) &&\n end.getTime() > start.getTime();\n\n if (event.isAllDay) {\n const startDay = allDayFormatter.format(start);\n if (!hasEnd) return startDay;\n\n // DTEND is exclusive for all-day events, so the last day is one day earlier\n const lastDay = new Date(end!.getTime() - DAY_MS);\n if (lastDay.getTime() <= start.getTime()) return startDay;\n\n return `${startDay} – ${allDayFormatter.format(lastDay)}`;\n }\n\n const startDay = dayFormatter.format(start);\n const startTime = timeFormatter.format(start);\n if (!hasEnd) return `${startDay} at ${startTime}`;\n\n const endDay = dayFormatter.format(end!);\n const endTime = timeFormatter.format(end!);\n\n return endDay === startDay\n ? `${startDay} at ${startTime} – ${endTime}`\n : `${startDay} at ${startTime} – ${endDay} at ${endTime}`;\n}\n",[],[159,202],["D",1770498888162],[177,178],[159],["D",1768686433294],{"_99":98,"_106":102},{"_99":98,"_100":-5,"_101":102,"_19":59,"_103":104,"_105":31},{"_13":88,"_38":89,"_48":47,"_90":49,"_91":-5,"_92":-5,"_93":-5,"_94":-5,"_95":-5,"_96":50,"_97":98},"ctx",{"_81":-5,"_127":250,"_251":252,"_253":254,"_255":31,"_256":31,"_257":31,"_258":125,"_259":-5,"_260":-7,"_261":-7,"_262":65,"_263":31,"_264":31,"_265":-5,"_266":31,"_267":31,"_268":31,"_269":-5},"ENV",{"_221":222,"_223":224,"_225":89,"_226":227,"_228":229,"_230":231,"_232":233,"_234":235,"_236":237,"_238":239,"_240":241,"_242":243,"_244":245,"_246":247,"_248":249},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v121