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qwen/nodejs/node_modules/eslint/lib/rules/default-case-last.js

@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Rule to enforce default clauses in switch statements to be last
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../shared/types').Rule} */
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "Enforce default clauses in switch statements to be last",
+            recommended: false,
+            url: "https://eslint.org/docs/latest/rules/default-case-last"
+        },
+
+        schema: [],
+
+        messages: {
+            notLast: "Default clause should be the last clause."
+        }
+    },
+
+    create(context) {
+        return {
+            SwitchStatement(node) {
+                const cases = node.cases,
+                    indexOfDefault = cases.findIndex(c => c.test === null);
+
+                if (indexOfDefault !== -1 && indexOfDefault !== cases.length - 1) {
+                    const defaultClause = cases[indexOfDefault];
+
+                    context.report({ node: defaultClause, messageId: "notLast" });
+                }
+            }
+        };
+    }
+};