fix(lib/helpers.ts): isSvelteComponent

packages/app/package.json

@@ -27,7 +27,7 @@
     "format": "prettier --write 'src/**/*' 'test/**/*'"
   },
   "dependencies": {
-    "@pyoner/svelte-form": "workspace:^0.2.0",
+    "@pyoner/svelte-form": "workspace:^1.0.0",
     "@pyoner/svelte-form-ajv": "workspace:^0.1.0",
     "ajv": "^6.12.0"
   },

packages/app/tsconfig.json

@@ -2,7 +2,7 @@
   "compilerOptions": {
     "resolveJsonModule": true,
     /* Basic Options */
-    "target": "ESNEXT" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */,
+    "target": "ES2018" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */,
     "module": "ESNEXT" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
     "lib": [
       "esnext",

packages/lib/src/helpers.ts

@@ -1,5 +1,6 @@
 import { isObject } from "is-what";
 import { SvelteComponent } from "svelte";
+import { SvelteComponent as InternalSvelteComponent } from "svelte/internal";
 
 import type { JSONObject, JSONSchema } from "@pyoner/svelte-form-common";
 
@@ -13,7 +14,6 @@ import type {
   FuncProps,
   FuncComponent,
 } from "./types";
-import { SvelteComponentDev } from "svelte/internal";
 
 export function createProps<T extends any, E extends Errors = Error[]>(
   value: T | null = null
@@ -127,8 +127,9 @@ export function getProps(
   return getPropsFromContainer(container);
 }
 
-export function isSvelteComponent(obj: any): obj is typeof SvelteComponentDev {
-  return Object.getPrototypeOf(obj) === SvelteComponentDev;
+export function isSvelteComponent(obj: any): obj is typeof SvelteComponent {
+  const cls = Object.getPrototypeOf(obj);
+  return cls === SvelteComponent || cls === InternalSvelteComponent;
 }
 
 export function getComponent(