diff --git a/packages/core/src/test.ts b/packages/core/src/test.ts
index 0cb61762..9e479728 100644
--- a/packages/core/src/test.ts
+++ b/packages/core/src/test.ts
@@ -1,71 +1,81 @@
 import { NodeSpec } from "prosemirror-model";
 import deepmerge from 'deepmerge'
 
-type RecursivePartial<T> = {
-  [P in keyof T]?:
-    T[P] extends (infer U)[] ? RecursivePartial<U>[] :
-    T[P] extends object ? RecursivePartial<T[P]> :
-    T[P];
-}
+// type RecursivePartial<T> = {
+//   [P in keyof T]?:
+//     T[P] extends (infer U)[] ? RecursivePartial<U>[] :
+//     T[P] extends object ? RecursivePartial<T[P]> :
+//     T[P];
+// }
 
-type Extension<Options = any> = {
-  name: string
-  defaultOptions?: Options | (() => Options)
-  bla?: number[] | ((this: ExtensionOptions<Options>) => number[])
-  blub?: number[] | (() => number[])
-  schema?: () => NodeSpec
-}
+// type Extension<Options = any> = {
+//   name: string
+//   defaultOptions?: Options | (() => Options)
+//   bla?: number[] | ((this: ExtensionOptions<Options>) => number[])
+//   blub?: number[] | (() => number[])
+//   schema?: () => NodeSpec
+// }
+
+// type ExtensionOptions<T> = {
+//   options: T
+// }
+
+// function Extension<Options>(config: Extension<Options>) {
+//   const instance = (options: Options) => {
+//     const extensionInstance = {
+//       ...config,
+//       options,
+//     }
+
+//     if (typeof extensionInstance.name === 'function') {
+//       // @ts-ignore
+//       extensionInstance.name()
+//     }
+
+//     return extensionInstance
+//   }
+
+//   instance.extend = (extendConfig: RecursivePartial<Extension>) => {
+//     return Extension<Options>(deepmerge({...config}, {...extendConfig}) as Extension)
+//   }
+
+//   return instance
+// }
+
+// type HeadingOptions = {
+//   levels?: number[]
+// }
+
+// const Heading = Extension<HeadingOptions>({
+//   name: 'heading',
+//   defaultOptions: {
+//     levels: [1, 2, 3, 4, 5, 6],
+//   },
+//   schema() {
+//     return {
+//       defining: true
+//     }
+//   }
+// })
+
+// // Heading
+// const h = Heading.extend({
+//   name: '123',
+// })({
+//   levels: [1, 2]
+// })
+
+// console.log({h})
 
-type ExtensionOptions<T> = {
-  options: T
-}
 
-function Extension<Options>(config: Extension<Options>) {
-  const instance = (options: Options) => {
-    const extensionInstance = {
-      ...config,
-      options,
-    }
 
-    if (typeof extensionInstance.name === 'function') {
-      // @ts-ignore
-      extensionInstance.name()
-    }
 
-    return extensionInstance
-  }
 
-  instance.extend = (extendConfig: RecursivePartial<Extension>) => {
-    return Extension<Options>(deepmerge({...config}, {...extendConfig}) as Extension)
-  }
 
-  return instance
-}
 
-type HeadingOptions = {
-  levels?: number[]
-}
 
-const Heading = Extension<HeadingOptions>({
-  name: 'heading',
-  defaultOptions: {
-    levels: [1, 2, 3, 4, 5, 6],
-  },
-  schema() {
-    return {
-      defining: true
-    }
-  }
-})
 
-// Heading
-const h = Heading.extend({
-  name: '123',
-})({
-  levels: [1, 2]
-})
 
-console.log({h})
 
 // const bla = Extension(options => {
 //   name: 'heading',
@@ -167,3 +177,226 @@ console.log({h})
 //   levels: [1, 2],
 //   // test: 'bla',
 // })
+
+
+
+
+// interface ExtenstionClass {
+//   // new (options?: T): ExtenstionClass<T>
+//   name?: string
+//   schema?: () => NodeSpec
+// }
+
+
+
+
+
+
+
+
+
+
+// type ExtensionConfig<Options = any> = {
+//   name: string
+//   defaultOptions: Options
+// }
+
+// type NodeConfig<Options = any> = ExtensionConfig<Options> & {
+//   schema?: () => NodeSpec
+// }
+
+// class BaseExtension<Options, Config> {
+//   // config: Config 
+//   options!: Options
+
+//   // config = {
+//   //   name: 'extension',
+//   //   defaultOptions: {},
+//   // }
+
+//   // defaultConfig = {
+//   //   name: 'extension',
+//   //   defaultOptions: {},
+//   // }
+
+//   // get defaultConfig(): Config {
+//   //   return {
+//   //     name: 'extension',
+//   //     // defaultOptions: {},
+//   //   }
+//   // }
+
+//   config: Config
+
+//   constructor(config: Config) {
+//     this.config = {
+//       // ...this.defaultConfig,
+//       ...{
+//         name: 'extension',
+//         defaultOptions: {},
+//       },
+//       ...config,
+//     }
+//     this.options = this.config.defaultOptions
+//   }
+
+//   set(options: Partial<Options>) {
+//     console.log(this.config.defaultOptions)
+//     this.options = {
+//       ...this.config.defaultOptions,
+//       ...options,
+//     } as Options
+
+//     console.log(this)
+//   }
+// }
+
+// // class Extension<Options> extends BaseExtension<Options, ExtensionConfig<Options>> {
+// //   defaultConfig: ExtensionConfig<Options> = {
+// //     name: 'extension',
+// //     defaultOptions: {},
+// //   }
+// // }
+
+// class Node<Options> extends BaseExtension<Options, NodeConfig<Options>> {
+//   // defaultConfig: NodeConfig<Options> = {
+//   //   name: 'extension',
+//   //   defaultOptions: {},
+//   //   schema() {
+//   //     return {}
+//   //   }
+//   // }
+// }
+
+// type HeadingOptions = {
+//   levels: number[]
+// }
+
+// const Headingg = new Node<HeadingOptions>({
+//   name: 'heading',
+//   defaultOptions: {
+//     levels: [1, 2, 3, 4, 5, 6]
+//   },
+// })
+
+// Headingg.set({
+//   levels: [1, 2]
+// })
+
+
+
+
+
+
+type AnyObject = {
+  [key: string]: any
+}
+
+type ExtensionConfig<Options = AnyObject> = {
+  name: string
+  defaultOptions: Options
+}
+
+type NodeConfig<Options = AnyObject> = ExtensionConfig<Options> & {
+  schema?: () => NodeSpec
+}
+
+
+
+class BaseExtension<Options, Config> {
+  options!: Options
+
+  defaultConfig = {
+    name: 'extension',
+    defaultOptions: {},
+  }
+
+  configs: AnyObject = {}
+
+  constructor(config: AnyObject) {
+    this.storeConfig({
+      ...this.defaultConfig,
+      ...config,
+    }, 'overwrite')
+  }
+
+  storeConfig(config: AnyObject, stategy: ('extend' | 'overwrite')) {
+    Object.entries(config).forEach(([key, value]) => {
+      const item = {
+        stategy,
+        value,
+      }
+
+      if (this.configs[key]) {
+        this.configs[key].push(item)
+      } else {
+        this.configs[key] = [item]
+      }
+    })
+  }
+
+  set(options: Partial<Options>) {
+    // this.options = {
+    //   ...this.options,
+    //   ...options,
+    // }
+  }
+
+  extend(config: Partial<Config>) {
+    this.storeConfig(config, 'extend')
+
+    return this
+  }
+
+  overwrite(config: Partial<Config>) {
+    this.storeConfig(config, 'overwrite')
+
+    return this
+  }
+}
+
+// class Extension<Options> extends BaseExtension<Options> {
+//   defaultConfig: ExtensionConfig = {
+//     name: 'extension',
+//     defaultOptions: {},
+//   }
+
+//   constructor(config: ExtensionConfig<Options>) {
+//     super(config)
+//   }
+// }
+
+class Node<Options> extends BaseExtension<Options, NodeConfig<Options>> {
+  defaultConfig: NodeConfig = {
+    name: 'extension',
+    defaultOptions: {},
+    schema() {
+      return {}
+    }
+  }
+
+  constructor(config: NodeConfig<Options>) {
+    super(config)
+  }
+}
+
+type HeadingOptions = {
+  levels: number[]
+}
+
+const Headingg = new Node<HeadingOptions>({
+  name: 'heading',
+  defaultOptions: {
+    levels: [1, 2, 3, 4, 5, 6]
+  },
+})
+
+// Headingg.set({
+//   levels: [1, 2]
+// })
+
+Headingg.extend({
+  name: 'headliiiine',
+})
+
+console.log(Headingg)
\ No newline at end of file