Merge pull request #9821 from petetnt/fix-stats-issue

fix: Only add timeZone if toLocaleString throws with initial timeZone
webpack · Oct 15, 2019 · e928727 · e928727
2 parents b3d7636 + 009e47c
commit e928727
Showing 1 changed file with 4 additions and 7 deletions.
diff --git a/lib/Stats.js b/lib/Stats.js
@@ -974,18 +974,15 @@ class Stats {
 		}
 		if (typeof obj.builtAt === "number") {
 			const builtAtDate = new Date(obj.builtAt);
-			let timeZone = null;
+			let timeZone = undefined;
 
 			try {
-				timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+				builtAtDate.toLocaleTimeString();
 			} catch (err) {
-				// disregard the RangeError
-			}
-
-			// Force UTC if runtime timezone could not be detected.
-			if (!timeZone || timeZone.toLowerCase() === "etc/unknown") {
+				// Force UTC if runtime timezone is unsupported
 				timeZone = "UTC";
 			}
+
 			colors.normal("Built at: ");
 			colors.normal(
 				builtAtDate.toLocaleDateString(undefined, {