date-fns-tz - npm Package Compare versions

Comparing version 1.1.4 to 1.1.5

_lib/tzParseTimezone/index.js

@@ -18,4 +18,3 @@ "use strict";
   timezoneHH: /^([+-])(\d{2})$/,
-  timezoneHHMM: /^([+-])(\d{2}):?(\d{2})$/,
-  timezoneIANA: /(UTC|(?:[a-zA-Z]+\/[a-zA-Z_-]+(?:\/[a-zA-Z_]+)?))$/
+  timezoneHHMM: /^([+-])(\d{2}):?(\d{2})$/
 }; // Parse various time zone offset formats to an offset in milliseconds
@@ -64,5 +63,3 @@
 
-  token = patterns.timezoneIANA.exec(timezoneString);
-
-  if (token) {
+  if (isValidTimezoneIANAString(timezoneString)) {
     date = new Date(date || Date.now());
@@ -123,2 +120,13 @@ var utcDate = isUtcDate ? date : toUtcDate(date);
 
+function isValidTimezoneIANAString(timeZoneString) {
+  try {
+    Intl.DateTimeFormat(undefined, {
+      timeZone: timeZoneString
+    });
+    return true;
+  } catch {
+    return false;
+  }
+}
+
 module.exports = exports.default;

esm/_lib/tzParseTimezone/index.js

@@ -10,4 +10,3 @@ import tzTokenizeDate from '../tzTokenizeDate/index.js'
   timezoneHH: /^([+-])(\d{2})$/,
-  timezoneHHMM: /^([+-])(\d{2}):?(\d{2})$/,
-  timezoneIANA: /(UTC|(?:[a-zA-Z]+\/[a-zA-Z_-]+(?:\/[a-zA-Z_]+)?))$/,
+  timezoneHHMM: /^([+-])(\d{2}):?(\d{2})$/
 }
@@ -56,4 +55,3 @@
   // IANA time zone
-  token = patterns.timezoneIANA.exec(timezoneString)
-  if (token) {
+  if (isValidTimezoneIANAString(timezoneString)) {
     date = new Date(date || Date.now())
@@ -131,1 +129,11 @@ var utcDate = isUtcDate ? date : toUtcDate(date)
 }
+
+function isValidTimezoneIANAString(timeZoneString) {
+  try {
+    Intl.DateTimeFormat(undefined, {timeZone: timeZoneString});
+    return true;
+  }
+  catch {
+    return false;
+  }
+}

package.json

 {
   "name": "date-fns-tz",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "sideEffects": false,
@@ -5,0 +5,0 @@ "description": "Time zone support for date-fns v2 with the browser Intl API",

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Total package byte prevSize

181484

increased by0.11%

Lines of code

3115

increased by0.48%

No dependency changes