- make codemirror package more capable

- add themes from react package
- add Autocomplete from react package
- handle dynamic extensions
- handle keyboard shortcuts
- make StrudelMirror as capable as Repl

packages/codemirror/keybindings.mjs

@@ -0,0 +1,31 @@
+import { Prec } from '@codemirror/state';
+import { keymap, ViewPlugin } from '@codemirror/view';
+// import { searchKeymap } from '@codemirror/search';
+import { emacs } from '@replit/codemirror-emacs';
+import { vim } from '@replit/codemirror-vim';
+import { vscodeKeymap } from '@replit/codemirror-vscode-keymap';
+import { defaultKeymap, historyKeymap } from '@codemirror/commands';
+
+const vscodePlugin = ViewPlugin.fromClass(
+  class {
+    constructor() {}
+  },
+  {
+    provide: () => {
+      return Prec.highest(keymap.of([...vscodeKeymap]));
+    },
+  },
+);
+const vscodeExtension = (options) => [vscodePlugin].concat(options ?? []);
+
+const keymaps = {
+  vim,
+  emacs,
+  vscode: vscodeExtension,
+};
+
+export function keybindings(name) {
+  const active = keymaps[name];
+  return [keymap.of(defaultKeymap), keymap.of(historyKeymap), active ? active() : []];
+  // keymap.of(searchKeymap),
+}