1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/@11ty/eleventy/src/Util/Objects/DeepFreeze.js b/node_modules/@11ty/eleventy/src/Util/Objects/DeepFreeze.js
new file mode 100644
index 0000000..88e2847
--- /dev/null
+++ b/node_modules/@11ty/eleventy/src/Util/Objects/DeepFreeze.js
@@ -0,0 +1,20 @@
+import { isPlainObject } from "@11ty/eleventy-utils";
+
+// via https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze
+
+function DeepFreeze(obj, topLevelExceptions) {
+	for (let name of Reflect.ownKeys(obj)) {
+		if ((topLevelExceptions || []).find((key) => key === name)) {
+			continue;
+		}
+
+		const value = obj[name];
+		if (isPlainObject(value)) {
+			DeepFreeze(value);
+		}
+	}
+
+	return Object.freeze(obj);
+}
+
+export { DeepFreeze };