feat: Export internal constructs for other plugin authors

src/index.js

@@ -8,6 +8,7 @@
 //-----------------------------------------------------------------------------
 
 import { JSONLanguage } from "./languages/json-language.js";
+import { JSONSourceCode } from "./languages/json-source-code.js";
 import noDuplicateKeys from "./rules/no-duplicate-keys.js";
 import noEmptyKeys from "./rules/no-empty-keys.js";
 
@@ -43,3 +44,4 @@ Object.assign(plugin.configs, {
 });
 
 export default plugin;
+export { JSONLanguage, JSONSourceCode };

tests/package/exports.js

@@ -0,0 +1,34 @@
+/**
+ * @fileoverview Tests for the package index's exports.
+ * @author Steve Dodier-Lazaro
+ */
+
+//------------------------------------------------------------------------------
+// Imports
+//------------------------------------------------------------------------------
+
+import * as exports from "../../src/index.js";
+import assert from "node:assert";
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("Package exports", () => {
+	it("has the ESLint plugin as a default export", () => {
+		assert.deepStrictEqual(Object.keys(exports.default), [
+			"meta",
+			"languages",
+			"rules",
+			"configs",
+		]);
+	});
+
+	it("has a JSONLanguage export", () => {
+		assert.ok(exports.JSONLanguage);
+	});
+
+	it("has a JSONSourceCode export", () => {
+		assert.ok(exports.JSONSourceCode);
+	});
+});