improve new extensions

packages/core/src/Extension.ts

@@ -63,55 +63,6 @@ export interface ExtensionSpec<Options = any, Commands = {}> {
   }) => Plugin[],
 }
 
-// /**
-//  * Extension interface for internal usage
-//  */
-// export type Extension = Required<Omit<ExtensionSpec, 'defaultOptions'> & {
-//   type: string,
-//   options: {
-//     [key: string]: any
-//   },
-// }>
-
-// /**
-//  * Default extension
-//  */
-// export const defaultExtension: Extension = {
-//   name: 'extension',
-//   type: 'extension',
-//   options: {},
-//   addGlobalAttributes: () => [],
-//   addCommands: () => ({}),
-//   addKeyboardShortcuts: () => ({}),
-//   addInputRules: () => [],
-//   addPasteRules: () => [],
-//   addProseMirrorPlugins: () => [],
-// }
-
-// export function createExtension<Options extends {}, Commands extends {}>(config: ExtensionSpec<Options, Commands>) {
-//   const extend = <ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<ExtensionSpec<ExtendedOptions, ExtendedCommands>>) => {
-//     return createExtension({
-//       ...config,
-//       ...extendedConfig,
-//     } as ExtensionSpec<ExtendedOptions, ExtendedCommands>)
-//   }
-
-//   const setOptions = (options?: Partial<Options>) => {
-//     const { defaultOptions, ...rest } = config
-
-//     return {
-//       ...defaultExtension,
-//       ...rest,
-//       options: {
-//         ...defaultOptions,
-//         ...options,
-//       } as Options,
-//     }
-//   }
-
-//   return Object.assign(setOptions, { config, extend })
-// }
-
 export class Extension<Options = any, Commands = any> {
   config: Required<ExtensionSpec> = {
     name: 'extension',
@@ -144,6 +95,8 @@ export class Extension<Options = any, Commands = any> {
       ...this.config.defaultOptions,
       ...options,
     }
+
+    return this
   }
 
   extend<ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<ExtensionSpec<ExtendedOptions, ExtendedCommands>>) {