fix(ns-json-schema-draft-7): add support for headerSchema

packages/apidom-ns-json-schema-draft-7/src/elements/LinkDescription.ts

@@ -1,6 +1,16 @@
-import { StringElement, ObjectElement, ArrayElement } from '@swagger-api/apidom-core';
+import {
+  StringElement,
+  ObjectElement,
+  ArrayElement,
+  BooleanElement,
+} from '@swagger-api/apidom-core';
 import { UnsupportedOperationError } from '@swagger-api/apidom-error';
-import { LinkDescriptionElement } from '@swagger-api/apidom-ns-json-schema-draft-6';
+import {
+  LinkDescriptionElement,
+  JSONReferenceElement,
+} from '@swagger-api/apidom-ns-json-schema-draft-6';
+
+import JSONSchema from './JSONSchema.ts';
 
 /* eslint-disable class-methods-use-this */
 
@@ -104,6 +114,19 @@ class LinkDescription extends LinkDescriptionElement {
     this.set('$comment', $comment);
   }
 
+  /**
+   *  Link Input.
+   *
+   *  URI: https://datatracker.ietf.org/doc/html/draft-handrews-json-schema-hyperschema-01#section-6.6
+   */
+  get headerSchema(): JSONSchema | BooleanElement | JSONReferenceElement | undefined {
+    return this.get('headerSchema');
+  }
+
+  set headerSchema(headerSchema: JSONSchema | BooleanElement | JSONReferenceElement | undefined) {
+    this.set('headerSchema', headerSchema);
+  }
+
   /**
    *  Submitting Data for Processing.
    *

packages/apidom-ns-json-schema-draft-7/src/refractor/plugins/replace-empty-element.ts

@@ -159,6 +159,9 @@ const schema = {
     targetHints(...args: any[]) {
       return new ObjectElement(...args);
     },
+    headerSchema(...args: any[]) {
+      return new JSONSchemaElement(...args);
+    },
   },
   'json-schema-properties': {
     '[key: *]': function key(...args: any[]) {

packages/apidom-ns-json-schema-draft-7/src/refractor/specification.ts

@@ -66,6 +66,10 @@ const specification = pipe(
     ['visitors', 'document', 'objects', 'LinkDescription', 'fixedFields', '$comment'],
     specificationObj.visitors.value,
   ),
+  assocPath(
+    ['visitors', 'document', 'objects', 'LinkDescription', 'fixedFields', 'headerSchema'],
+    specificationObj.visitors.JSONSchemaOrJSONReferenceVisitor,
+  ),
   dissocPath([
     'visitors',
     'document',

packages/apidom-ns-json-schema-draft-7/test/refractor/elements/LinkDescription/__snapshots__/index.mjs.snap

@@ -30,6 +30,9 @@ exports[`refractor elements LinkDescription should refract to semantic ApiDOM tr
   (MemberElement
     (StringElement)
     (JSONSchemaDraft7Element))
+  (MemberElement
+    (StringElement)
+    (JSONSchemaDraft7Element))
   (MemberElement
     (StringElement)
     (StringElement))

packages/apidom-ns-json-schema-draft-7/test/refractor/elements/LinkDescription/index.ts

@@ -18,6 +18,7 @@ describe('refractor', function () {
           templateRequired: ['id'],
           href: 'things/{id}',
           hrefSchema: {},
+          headerSchema: {},
           rel: 'image/png',
           title: 'title',
           targetSchema: {},

packages/apidom-ns-json-schema-draft-7/test/refractor/plugins/replace-empty-element/__snapshots__/mappings.mjs.snap

@@ -13,6 +13,20 @@ exports[`given JSON Schema definition with no empty values should do nothing 1`]
         (JSONSchemaDraft7Element)))))
 `;
 
+exports[`given empty value for LinkDescription.headerSchema field should replace empty value with semantic element 1`] = `
+(JSONSchemaDraft7Element
+  (MemberElement
+    (StringElement)
+    (StringElement))
+  (MemberElement
+    (StringElement)
+    (ArrayElement
+      (LinkDescriptionElement
+        (MemberElement
+          (StringElement)
+          (JSONSchemaDraft7Element))))))
+`;
+
 exports[`given empty value for LinkDescription.hrefSchema field should replace empty value with semantic element 1`] = `
 (JSONSchemaDraft7Element
   (MemberElement

packages/apidom-ns-json-schema-draft-7/test/refractor/plugins/replace-empty-element/mappings.ts

@@ -221,6 +221,22 @@ describe('given empty value for LinkDescription.targetHints field', function ()
   });
 });
 
+describe('given empty value for LinkDescription.headerSchema field', function () {
+  it('should replace empty value with semantic element', async function () {
+    const yamlDefinition = dedent`
+          $schema: 'http://json-schema.org/draft-07/schema#'
+          links:
+            - headerSchema:
+        `;
+    const apiDOM = await parse(yamlDefinition);
+    const jsonSchemaElement = JSONSchemaElement.refract(apiDOM.result, {
+      plugins: [refractorPluginReplaceEmptyElement()],
+    }) as JSONSchemaElement;
+
+    expect(sexprs(jsonSchemaElement)).toMatchSnapshot();
+  });
+});
+
 describe('given JSON Schema definition with no empty values', function () {
   it('should do nothing', async function () {
     const yamlDefinition = dedent`