fix(core): update

ts/index.ts

@@ -1,15 +1,17 @@
 import * as plugins from './smartyaml.plugins.js';
 
 export let yamlStringToObject = async (
-  yamlStringArg,
-  optionsArg: plugins.jsYaml.LoadOptions = {}
+  yamlStringArg: string,
 ): Promise<any> => {
-  return plugins.jsYaml.load(yamlStringArg);
+  return plugins.yaml.parse(yamlStringArg);
 };
 
 export let objectToYamlString = async (
-  objectArg,
-  optionsArg: plugins.jsYaml.DumpOptions = {}
+  objectArg
 ): Promise<string> => {
-  return plugins.jsYaml.dump(objectArg);
+  return plugins.yaml.stringify(objectArg);
 };
+
+export let getYamlDocFromString = async (stringArg: string) => {
+  return plugins.yaml.parseDocument(stringArg);
+}