feat: Code Widget + Markdown Widget Internal Overhaul (#2828)

* wip - upgrade to slate 0.43

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* finish list handling logic

* add plugins directory

* tests wip

* setup testing

* wip

* add selection commands

* finish list testing

* stuff

* add codemirror

* abstract codemirror from slate

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* codemirror mostly working, some bugs

* upgrade to slate 46

* upgrade to slate 47

* wip

* wip

* progress

* wip

* mostly working links with surrounding marks

* wip

* tests passing

* add test

* fix formatting

* update snapshots

* close self closing tag in markdown html output

* wip - commonmark

* hold on commonmark work

* all tests passing

* fix e2e specs

* ignore tests in esm builds

* break/backspace plugins wip

* finish enter/backspace spec

* fix soft break handling

* wip - editor component deletion

* add insertion points

* make insertion points invisible

* fix empty mark nodes output to markdown

* fix pasting

* improve insertion points

* add static bottom insertion point

* improve click handling at insertion points

* restore current table functionality

* add paste support for Slate fragments

* support cut/copy markdown, paste between rich/raw editor

* fix copy paste

* wip - paste/select bug fixing

* fixed known slate issues

* split plugins

* fix editor toggles

* force text cursor in code widget

* wip - reorg plugins

* finish markdown control reorg

* configure plugin types

* quote block adjacent handling with tests

* wip

* finish quote logic and tests

* fix copy paste plugin migration regressions

* fix force insert before node

* fix trailing insertion point

* remove empty headers

* codemirror working properly in markdown widget

* return focus to codemirror on lang select enter

* fix state issues for widgets with local state

* wip - vim working, just need to work out distribution

* add settings pane

* wip - default modes

* fix deps

* add programming language data

* implement linguist langs in code widget

* everything built in

* remove old registration code, fix focus styling

* fix/update linting setup

* fix js lint errors

* remove stylelint from format script

* fix remaining linting errors

* fix reducer test failures

* chore: update commitlint for worktree support

* chore: fix remaining tests

* chore: drop unused monaco plugin

* chore: remove extraneous global styles rendering

* chore: fix failing tests

* fix: tests

* fix: quote/list nesting (tests still broken)

* fix: update quote tests

* chore: bring back code widget test config

* fix: autofocus

* fix: code blocks without the code widget

* fix: code editor component state issues

* fix: error

* fix: add code block test, few fixes

* chore: remove notes

* fix: [wip] update stateful shortcodes on undo/redo

* fix: support code styled links, handle unknown langs

* fix: few fixes

* fix: autofocus on insert, focus on all clicks

* fix: linting

* fix: autofocus

* fix: update code block fixture

* fix: remove unused cypress snapshot plugin

* fix: drop node 8 test, add node 12

* fix: use lodash.flatten instead of Array.flat

* fix: remove console logs

packages/netlify-cms-widget-markdown/package.json

@@ -25,21 +25,23 @@
     "is-hotkey": "^0.1.4",
     "mdast-util-definitions": "^1.2.3",
     "mdast-util-to-string": "^1.0.5",
-    "rehype-parse": "^3.1.0",
-    "rehype-remark": "^2.0.0",
-    "rehype-stringify": "^3.0.0",
-    "remark-parse": "^3.0.1",
-    "remark-rehype": "^2.0.0",
-    "remark-stringify": "^3.0.1",
-    "slate": "^0.34.0",
-    "slate-edit-list": "^0.11.3",
-    "slate-edit-table": "^0.15.1",
-    "slate-plain-serializer": "^0.5.15",
-    "slate-react": "0.12.9",
-    "slate-soft-break": "^0.6.1",
-    "unified": "^6.1.4",
-    "unist-builder": "^1.0.2",
-    "unist-util-visit-parents": "^1.1.1"
+    "re-resizable": "^4.11.0",
+    "react-monaco-editor": "^0.25.1",
+    "react-select": "^2.4.3",
+    "rehype-parse": "^6.0.0",
+    "rehype-remark": "^5.0.1",
+    "rehype-stringify": "^5.0.0",
+    "remark-parse": "^6.0.3",
+    "remark-rehype": "^4.0.0",
+    "remark-stringify": "^6.0.4",
+    "slate": "^0.47.0",
+    "slate-base64-serializer": "^0.2.107",
+    "slate-plain-serializer": "^0.7.1",
+    "slate-react": "^0.22.0",
+    "slate-soft-break": "^0.9.0",
+    "unified": "^7.1.0",
+    "unist-builder": "^1.0.3",
+    "unist-util-visit-parents": "^2.0.1"
   },
   "peerDependencies": {
     "@emotion/core": "^10.0.9",
@@ -51,5 +53,11 @@
     "react": "^16.8.4",
     "react-dom": "^16.8.4",
     "react-immutable-proptypes": "^2.1.0"
+  },
+  "devDependencies": {
+    "commonmark": "^0.29.0",
+    "commonmark-spec": "^0.29.0",
+    "monaco-editor-webpack-plugin": "^1.7.0",
+    "slate-hyperscript": "^0.13.3"
   }
 }