add basic extension classes

packages/core/src/Mark.ts

@@ -1,28 +1,48 @@
-import { MarkSpec, MarkType } from 'prosemirror-model'
-import Extension, { ExtensionMethods } from './Extension'
-import { Editor } from './Editor'
+// import { MarkSpec, MarkType } from 'prosemirror-model'
+// import Extension, { ExtensionMethods } from './Extension'
+// import { Editor } from './Editor'
 
-export interface MarkProps<Options> {
-  name: string
-  editor: Editor
-  options: Options
-  type: MarkType
-}
+// export interface MarkProps<Options> {
+//   name: string
+//   editor: Editor
+//   options: Options
+//   type: MarkType
+// }
 
-export interface MarkMethods<Props, Options> extends ExtensionMethods<Props, Options> {
-  topMark: boolean
-  schema: (params: Omit<Props, 'type' | 'editor'>) => MarkSpec
-}
+// export interface MarkMethods<Props, Options> extends ExtensionMethods<Props, Options> {
+//   topMark: boolean
+//   schema: (params: Omit<Props, 'type' | 'editor'>) => MarkSpec
+// }
+
+// export default class Mark<
+//   Options = {},
+//   Props = MarkProps<Options>,
+//   Methods extends MarkMethods<Props, Options> = MarkMethods<Props, Options>,
+// > extends Extension<Options, Props, Methods> {
+//   type = 'mark'
+
+//   public schema(value: Methods['schema']) {
+//     this.storeConfig('schema', value, 'overwrite')
+//     return this
+//   }
+// }
+
+import Extension from './Extension'
+
+export default class Node<Options = {}> extends Extension<Options> {
 
-export default class Mark<
-  Options = {},
-  Props = MarkProps<Options>,
-  Methods extends MarkMethods<Props, Options> = MarkMethods<Props, Options>,
-> extends Extension<Options, Props, Methods> {
   type = 'mark'
 
-  public schema(value: Methods['schema']) {
-    this.storeConfig('schema', value, 'overwrite')
-    return this
+  createAttributes() {
+    return {}
   }
+
+  parseHTML() {
+    return []
+  }
+
+  renderHTML() {
+    return []
+  }
+
 }