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+/**
+ * @fileoverview Rule to prevent empty keys in JSON.
+ * @author Nicholas C. Zakas
+ */
+//-----------------------------------------------------------------------------
+// Imports
+//-----------------------------------------------------------------------------
+import { getKey } from "../util.js";
+//-----------------------------------------------------------------------------
+// Type Definitions
+//-----------------------------------------------------------------------------
+/**
+ * @import { JSONRuleDefinition } from "../types.js";
+ * @typedef {"emptyKey"} NoEmptyKeysMessageIds
+ * @typedef {JSONRuleDefinition<{ MessageIds: NoEmptyKeysMessageIds }>} NoEmptyKeysRuleDefinition
+ */
+//-----------------------------------------------------------------------------
+// Rule Definition
+//-----------------------------------------------------------------------------
+/** @type {NoEmptyKeysRuleDefinition} */
+const rule = {
+    meta: {
+        type: "problem",
+        languages: ["json/json", "json/jsonc", "json/json5"],
+        docs: {
+            recommended: true,
+            description: "Disallow empty keys in JSON objects",
+            dialects: ["JSON", "JSONC", "JSON5"],
+            url: "https://github.com/eslint/json/tree/main/docs/rules/no-empty-keys.md",
+        },
+        messages: {
+            emptyKey: "Empty key found.",
+        },
+    },
+    create(context) {
+        return {
+            Member(node) {
+                const key = getKey(node);
+                if (key.trim() === "") {
+                    context.report({
+                        loc: node.name.loc,
+                        messageId: "emptyKey",
+                    });
+                }
+            },
+        };
+    },
+};
+export default rule;