chore: ts notation in offset

formkit · Mar 7, 2024 · f90c217 · f90c217
1 parent 0245e40
commit f90c217
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Showing 5 changed files with 37 additions and 3 deletions.
diff --git a/docs/assets/favicon.svg b/docs/assets/favicon.svg
diff --git a/docs/public/favicon.svg b/docs/public/favicon.svg
diff --git a/src/deviceTZ.ts b/src/deviceTZ.ts
@@ -4,5 +4,5 @@
  * * Note: If the environment variable TZ is not set, it will return undefined.
  */
 export function deviceTZ(): string | undefined {
-  return Intl.DateTimeFormat().resolvedOptions().timeZone
+  return Intl.DateTimeFormat().resolvedOptions().timeZone as string | undefined
 }
diff --git a/src/format.ts b/src/format.ts
@@ -52,7 +52,7 @@ export function format(
   genitive: boolean | undefined = false,
   partFilter?: (part: Part) => boolean
 ): string {
-  let tz, forceOffset
+  let tz: string | undefined, forceOffset: string | undefined
 
   if (
     typeof inputDateOrOptions === "object" &&

diff --git a/src/offset.ts b/src/offset.ts
@@ -51,7 +51,7 @@ export function offset(
   tzA = "UTC",
   tzB = "device"
 ): string {
-  tzB = tzB === "device" ? deviceTZ() : tzB
+  tzB = tzB === "device" ? deviceTZ() ?? "utc" : tzB
   const d = date(utcTime)
   const timeA = relativeTime(d, tzA)
   const timeB = relativeTime(d, tzB)