feat: normalization handler for comment keyword (#252)

* test: add failing test for

* feat: register normalization handler for comment

Author: mnahkies

src/index.js

@@ -5,6 +5,7 @@ import additionalItemsNormalizationHandler from "./normalization-handlers/draft-
 import additionalPropertiesNormalizationHandler from "./normalization-handlers/additionalProperties.js";
 import allOfNormalizationHandler from "./normalization-handlers/allOf.js";
 import anyOfNormalizationHandler from "./normalization-handlers/anyOf.js";
+import commentNormalizationHandler from "./normalization-handlers/comment.js";
 import constNormalizationHandler from "./normalization-handlers/const.js";
 import containsNormalizationHandler from "./normalization-handlers/contains.js";
 import containsDraft06NormalizationHandler from "./normalization-handlers/draft-06/contains.js";
@@ -86,6 +87,7 @@ setNormalizationHandler("https://json-schema.org/keyword/draft-04/additionalItem
 setNormalizationHandler("https://json-schema.org/keyword/additionalProperties", additionalPropertiesNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/allOf", allOfNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/anyOf", anyOfNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/comment", commentNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/const", constNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/contains", containsNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/draft-06/contains", containsDraft06NormalizationHandler);

src/normalization-handlers/comment.js

@@ -0,0 +1,11 @@
+/**
+ * @import { NormalizationHandler } from "../index.d.ts"
+ */
+
+/** @type NormalizationHandler */
+const commentNormalizationHandler = {
+  evaluate() {
+  }
+};
+
+export default commentNormalizationHandler;

src/test-suite/tests/comment.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "../test-suite.schema.json",
+
+  "description": "The comment keyword is ignored",
+  "tests": [
+    {
+      "description": "format",
+      "schema": {
+        "$comment":"this is a comment",
+        "type":"object"
+      },
+      "instance": {},
+      "errors": [
+      ]
+    }
+  ]
+}