test: add test to check that gray-matter's js engine is disabled by default

Author: simonhaenisch

src/lib/config.ts

@@ -29,7 +29,7 @@ export const defaultConfig: Config = {
 		engines: {
 			js: () =>
 				new Error(
-					'The JS engine for front-matter is disabled by default for security reasons. You can enable it by configuring graymatter_options.',
+					'The JS engine for front-matter is disabled by default for security reasons. You can enable it by configuring gray_matter_options.',
 				),
 		},
 	},

src/test/lib.spec.ts

@@ -11,6 +11,14 @@ import { isHttpUrl } from '../lib/is-http-url';
 import { isMdFile } from '../lib/is-md-file';
 import { readFile } from '../lib/read-file';
 
+// --
+// config
+test("gray-matter's js engine is disabled by default", (t) => {
+	t.throws(() => {
+		throw (defaultConfig.gray_matter_options.engines!.js as () => Error)();
+	});
+});
+
 // --
 // helpers