feat(json-schema): expose API that generates examples from JSON Schema (#9190)

This allows to use the samples API in a static way
without fully instantiating SwaggerUI.

Refs #9188

src/core/plugins/json-schema-5-samples/fn/get-sample-schema.js

@@ -0,0 +1,30 @@
+/**
+ * @prettier
+ */
+const makeGetSampleSchema =
+  (getSystem) =>
+  (schema, contentType = "", config = {}, exampleOverride = undefined) => {
+    const { fn } = getSystem()
+
+    if (typeof schema?.toJS === "function") {
+      schema = schema.toJS()
+    }
+    if (typeof exampleOverride?.toJS === "function") {
+      exampleOverride = exampleOverride.toJS()
+    }
+
+    if (/xml/.test(contentType)) {
+      return fn.getXmlSampleSchema(schema, config, exampleOverride)
+    }
+    if (/(yaml|yml)/.test(contentType)) {
+      return fn.getYamlSampleSchema(
+        schema,
+        config,
+        contentType,
+        exampleOverride
+      )
+    }
+    return fn.getJsonSampleSchema(schema, config, contentType, exampleOverride)
+  }
+
+export default makeGetSampleSchema