From 0d825194c50c50ccca85213514f16e37c84dfe6c Mon Sep 17 00:00:00 2001
From: jaimergp <jaimergp@users.noreply.github.com>
Date: Wed, 6 Nov 2024 15:12:14 +0100
Subject: [PATCH] guard against firefox lack of weekInfo

---
 .pre-commit-config.yaml           |  2 +-
 src/components/Calendar/index.jsx | 14 ++++++++------
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b4e2771..2e624bd 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -32,7 +32,7 @@ repos:
       # verify github syntaxes
       - id: check-github-workflows
   - repo: https://github.com/codespell-project/codespell
-    # see setup.cfg
+    # see pyproject.toml
     rev: v2.3.0
     hooks:
       - id: codespell
diff --git a/src/components/Calendar/index.jsx b/src/components/Calendar/index.jsx
index 90a6bca..34f3724 100644
--- a/src/components/Calendar/index.jsx
+++ b/src/components/Calendar/index.jsx
@@ -5,12 +5,14 @@ export default function Calendar() {
     firstDay: 1,
     timezone: "UTC",
   });
-  useEffect(() => {
-    const locale = Intl.DateTimeFormat().resolvedOptions().locale;
-    const firstDay = new Intl.Locale(locale).weekInfo.firstDay + 1;
-    const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
-    setState({ firstDay: firstDay, timezone: timezone });
-  });
+  if (Intl) {
+    useEffect(() => {
+      const locale = Intl.DateTimeFormat().resolvedOptions().locale;
+      const firstDay = ((new Intl.Locale(locale))?.weekInfo?.firstDay ?? 0) + 1;
+      const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+      setState({firstDay: firstDay, timezone: timezone});
+    })
+  }
   return (
     <iframe
       src={`https://calendar.google.com/calendar/embed?height=500&wkst=${state.firstDay}&ctz=${state.timezone}&showTitle=0&showTz=1&showPrint=0&src=ODgwNTU3MGE0ZTFjYTIzMTk4NDI5NzFkYjQzODBlZDUxOGM0OTA1NzdjMDY0NTRhZGYyMzAzNzM0NTA2ZjM5N0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29t&color=%2333b679`}