fix: ics calendar export dates (#535)

* feat: academicCalendars object

* feat: seemingly working start, end, and until dates

* feat: seemingly working everything

* style: removed unnecessary deps, reorganized code

* style: code comments yay

* chore: old version of pnpm?

* ci: force github actions to rerun

* feat: list instructors in ics string, basic tests

* feat: testable code for ICS, tests for ICS, filter excluded dates

* style: eslint autofix

* test: check for graceful handling of errors in ICS

* fix: actually use scheduleToIcsString

* chore: eslint didn't include a space where it should've

* fix: ensure tz everywhere

* refactor: move string util to string util file

* feat: em dash in calendar event title

* feat: academic calendars 22-23 and 23-24

* fix: en dash instead of em dash

pnpm-lock.yaml

@@ -19,6 +19,9 @@ importers:
 
   .:
     dependencies:
+      '@date-fns/tz':
+        specifier: ^1.2.0
+        version: 1.2.0
       '@dnd-kit/core':
         specifier: ^6.3.1
         version: 6.3.1(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
@@ -58,6 +61,9 @@ importers:
       conventional-changelog:
         specifier: ^6.0.0
         version: 6.0.0(conventional-commits-filter@5.0.0)
+      date-fns:
+        specifier: ^4.1.0
+        version: 4.1.0
       highcharts:
         specifier: ^11.4.8
         version: 11.4.8
@@ -571,6 +577,9 @@ packages:
   '@crxjs/vite-plugin@2.0.0-beta.21':
     resolution: {integrity: sha512-kSXgHHqCXASqJ8NmY94+KLGVwdtkJ0E7KsRQ+vbMpRliJ5ze0xnSk0l41p4txlUysmEoqaeo4Xb7rEFdcU2zjQ==}
 
+  '@date-fns/tz@1.2.0':
+    resolution: {integrity: sha512-LBrd7MiJZ9McsOgxqWX7AaxrDjcFVjWH/tIKJd7pnR7McaslGYOP1QmmiBXdJH/H/yLCT+rcQ7FaPBUxRGUtrg==}
+
   '@dnd-kit/accessibility@3.1.1':
     resolution: {integrity: sha512-2P+YgaXF+gRsIihwwY1gCsQSYnu9Zyj2py8kY5fFvUM1qm2WA2u639R6YNVfU4GWr+ZM5mqEsfHZZLoRONbemw==}
     peerDependencies:
@@ -3269,6 +3278,9 @@ packages:
     resolution: {integrity: sha512-BS8PfmtDGnrgYdOonGZQdLZslWIeCGFP9tpan0hi1Co2Zr2NKADsvGYA8XxuG/4UWgJ6Cjtv+YJnB6MM69QGlQ==}
     engines: {node: '>= 0.4'}
 
+  date-fns@4.1.0:
+    resolution: {integrity: sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==}
+
   debug@2.6.9:
     resolution: {integrity: sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==}
     peerDependencies:
@@ -7365,6 +7377,8 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  '@date-fns/tz@1.2.0': {}
+
   '@dnd-kit/accessibility@3.1.1(react@18.3.1)':
     dependencies:
       react: 18.3.1
@@ -10237,6 +10251,8 @@ snapshots:
       es-errors: 1.3.0
       is-data-view: 1.0.2
 
+  date-fns@4.1.0: {}
+
   debug@2.6.9:
     dependencies:
       ms: 2.0.0