client: only catch erroneous key errors in i18n.ts

packages/client/src/i18n.ts

@@ -20,23 +20,24 @@ class I18n<T extends Record<string, any>> {
 	// If a pattern is present in the string but not provided in args, it will not be replaced.
 	// If `args` is not provided, no interpolation is performed.
 	public t(key: string, args?: Record<string, string | number>): string {
+		let str;
 		try {
 			// Resolve dot-delimited names as properties of objects.
-			let str = key.split('.').reduce((o, i) => o[i], this.ts) as unknown as string;
+			str = key.split('.').reduce((o, i) => o[i], this.ts) as unknown as string;
-
-			// Perform string interpolation.
-			if (args) {
-				for (const [k, v] of Object.entries(args)) {
-					str = str.replace(`{${k}}`, v.toString());
-				}
-			}
-
-			return str;
 		} catch (err) {
 			// This should normally not happen because of the English language fallback strings, see comment for ts member.
 			console.warn(`missing localization '${key}'`);
 			return key;
 		}
+
+		// Perform string interpolation.
+		if (args) {
+			for (const [k, v] of Object.entries(args)) {
+				str = str.replace(`{${k}}`, v.toString());
+			}
+		}
+
+		return str;
 	}
 }