add keyboardShortcut and enter command

packages/core/src/commands/enter.ts

@@ -1,36 +1,8 @@
 import { Command } from '../types'
 
 /**
- * Press Enter
+ * Trigger enter.
  */
-export const enter = (): Command => ({
-  editor,
-  view,
-  tr,
-  dispatch,
-}) => {
-  const keyCode = 13
-  const key = 'Enter'
-  const event = document.createEvent('Event')
-  event.initEvent('keydown', true, true)
-  // @ts-ignore
-  event.keyCode = keyCode
-  // @ts-ignore
-  event.key = key
-  // @ts-ignore
-  event.code = key
-
-  const capturedTransaction = editor.captureTransaction(() => {
-    view.someProp('handleKeyDown', f => f(view, event))
-  })
-
-  capturedTransaction?.steps.forEach(step => {
-    const newStep = step.map(tr.mapping)
-
-    if (newStep && dispatch) {
-      tr.step(newStep)
-    }
-  })
-
-  return true
+export const enter = (): Command => ({ commands }) => {
+  return commands.keyboardShortcut('Enter')
 }