move commands again

packages/core/src/extensions/keymap.ts

@@ -0,0 +1,52 @@
+import {
+  newlineInCode,
+  createParagraphNear,
+  liftEmptyBlock,
+  exitCode,
+  deleteSelection,
+  joinForward,
+  joinBackward,
+  selectNodeForward,
+  selectNodeBackward,
+} from 'prosemirror-commands'
+import { undoInputRule } from 'prosemirror-inputrules'
+import { createExtension } from '../Extension'
+
+export const Keymap = createExtension({
+  addKeyboardShortcuts() {
+    const handleBackspace = () => this.editor.try(({ state, dispatch }) => [
+      () => undoInputRule(state, dispatch),
+      () => deleteSelection(state, dispatch),
+      () => joinBackward(state, dispatch),
+      () => selectNodeBackward(state, dispatch),
+    ])
+
+    const handleDelete = () => this.editor.try(({ state, dispatch }) => [
+      () => deleteSelection(state, dispatch),
+      () => joinForward(state, dispatch),
+      () => selectNodeForward(state, dispatch),
+    ])
+
+    return {
+      Enter: () => this.editor.try(({ commands, state, dispatch }) => [
+        () => newlineInCode(state, dispatch),
+        () => createParagraphNear(state, dispatch),
+        () => liftEmptyBlock(state, dispatch),
+        () => commands.splitBlock(),
+      ]),
+      'Mod-Enter': exitCode,
+      Backspace: () => handleBackspace(),
+      'Mod-Backspace': () => handleBackspace(),
+      Delete: () => handleDelete(),
+      'Mod-Delete': () => handleDelete(),
+      // we don’t need a custom `selectAll` for now
+      // 'Mod-a': () => this.editor.selectAll(),
+    }
+  },
+})
+
+declare module '../Editor' {
+  interface AllExtensions {
+    Keymap: typeof Keymap,
+  }
+}