clean up console spam from react intl

.storybook/react-intl.ts

@@ -27,22 +27,25 @@ const messages = {};
 
 // Populate messages if not running snapshots.
 // (Message printouts would be unnecessary replicated in snapshots without that check.)
-packages.forEach((pkg) => {
-  locales.forEach((locale) => {
-    // Chinese-simplified is assigned a special file name by Weblate.
-    const localeFile = locale === "zh" ? "zh_Hans" : locale;
-    try {
-      messages[locale] = {
-        ...messages[locale],
-        ...flatten(require(`../packages/${pkg}/i18n/${localeFile}.yml`).default)
-      };
-    } catch (e) {
-      // There is no yml files for the "unknown" locale,
-      // so it should fail, and we won't display an error message in that case.
-      if (locale !== "unknown") console.error(e);
-    }    
+if (typeof window !== "undefined") {
+
+  packages.forEach((pkg) => {
+    locales.forEach((locale) => {
+      // Chinese-simplified is assigned a special file name by Weblate.
+      const localeFile = locale === "zh" ? "zh_Hans" : locale;
+      try {
+        messages[locale] = {
+          ...messages[locale],
+          ...flatten(require(`../packages/${pkg}/i18n/${localeFile}.yml`).default)
+        };
+      } catch (e) {
+        // There is no yml files for the "unknown" locale,
+        // so it should fail, and we won't display an error message in that case.
+        if (locale !== "unknown") console.error(e);
+      }    
+    });
   });
-});
+}
 
 // TODO: place any applicable (date, time, etc) format parameters here.
 const formats = {};