Modify rule S2871: Add exception for arrays of strings

rules/S2871/javascript/rule.adoc

@@ -36,6 +36,22 @@ console.log([code1, code2, code3].sort()); // Noncompliant: ["éΔ", "eΔ", "é
 console.log([code1, code2, code3].sort((a, b) => a.localeCompare(b))); // ["eΔ", "éΔ", "éΔ"]
 ----
 
+=== Exceptions
+
+The rule ignores arrays that only contain strings, or are declared as such.
+
+[source,javascript]
+----
+const names = ['foo', 'bar'];
+names.sort(); // Compliant
+----
+
+[source,javascript]
+----
+const names: string[] = [];
+names.sort(); // Compliant
+----
+
 == Resources
 === Documentation