Add support for vim mode in Text Editor (#90)

* Enable vim mode in file editor

* Fix race condition

package.json

@@ -61,6 +61,7 @@
     "@jupyterlab/application": "^4.0.3",
     "@jupyterlab/cells": "^4.0.3",
     "@jupyterlab/codemirror": "^4.0.3",
+    "@jupyterlab/fileeditor": "^4.0.3",
     "@jupyterlab/notebook": "^4.0.3",
     "@jupyterlab/settingregistry": "^4.0.3",
     "@lumino/commands": "^2.0.1",
@@ -74,6 +75,7 @@
     "@codemirror/language": "^6.8.0",
     "@codemirror/search": "^6.5.0",
     "@jupyterlab/builder": "^4.0.0",
+    "@jupyterlab/codeeditor": "^4.0.3",
     "@types/codemirror": "^0.0.87",
     "@types/json-schema": "^7.0.11",
     "@types/react": "^18.0.26",

schema/plugin.json

@@ -10,6 +10,31 @@
       "selector": ".jp-Notebook.jp-mod-editMode",
       "disabled": true
     },
+    {
+      "command": "vim:enter-normal-mode",
+      "keys": ["Escape"],
+      "selector": ".jp-FileEditor"
+    },
+    {
+      "command": "documentsearch:end",
+      "keys": ["Escape"],
+      "selector": ".jp-mod-searchable .jp-FileEditor .cm-vimMode"
+    },
+    {
+      "command": "documentsearch:end",
+      "keys": ["Escape"],
+      "selector": ".jp-mod-searchable .jp-Notebook .cm-vimMode"
+    },
+    {
+      "command": "documentsearch:end",
+      "keys": ["Escape"],
+      "selector": ".jp-mod-search-active .jp-FileEditor .cm-vimMode"
+    },
+    {
+      "command": "documentsearch:end",
+      "keys": ["Escape"],
+      "selector": ".jp-mod-search-active .jp-Notebook .cm-vimMode"
+    },
     {
       "selector": ".jp-NotebookPanel[data-jp-vim-mode='true'] .jp-Notebook.jp-mod-editMode",
       "keys": ["Ctrl O", "U"],
@@ -256,7 +281,13 @@
     "enabled": {
       "type": "boolean",
       "title": "Enabled",
-      "description": "Enable/disable notebook vim (may require a page refresh)",
+      "description": "Enable/disable vim extension (may require a page refresh)",
+      "default": true
+    },
+    "enabledInEditors": {
+      "type": "boolean",
+      "title": "Enabled in Text Editor",
+      "description": "Enable/disable vim in text editors (may require a page refresh)",
       "default": true
     },
     "extraKeybindings": {