perf: add fast path to no-case-declarations

eslint · Jun 27, 2023 · c1d8401 · c1d8401
1 parent 9718a97
commit c1d8401
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/rules/no-case-declarations.js b/lib/rules/no-case-declarations.js
@@ -47,6 +47,10 @@ module.exports = {
 
         return {
             SwitchCase(node) {
+                if (node.consequent.length === 0 || node.consequent[0].type === "BlockStatement") {
+                    return;
+                }
+
                 for (let i = 0; i < node.consequent.length; i++) {
                     const statement = node.consequent[i];