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

cypress/utils/steps.js

@@ -51,16 +51,10 @@ function updateWorkflowStatus({ title }, fromColumnHeading, toColumnHeading) {
   cy.contains('h2', fromColumnHeading)
     .parent()
     .contains('a', title)
-    .trigger('dragstart', {
-      dataTransfer: {},
-      force: true,
-    });
+    .drag();
   cy.contains('h2', toColumnHeading)
     .parent()
-    .trigger('drop', {
-      dataTransfer: {},
-      force: true,
-    });
+    .drop();
   assertNotification(notifications.updated);
 }
 
@@ -171,7 +165,7 @@ function populateEntry(entry) {
   for (let key of keys) {
     const value = entry[key];
     if (key === 'body') {
-      cy.get('[data-slate-editor]')
+      cy.getMarkdownEditor()
         .click()
         .clear()
         .type(value);
@@ -288,7 +282,7 @@ function validateListFields({ name, description }) {
   cy.get('input')
     .eq(2)
     .type(name);
-  cy.get('[data-slate-editor]')
+  cy.getMarkdownEditor()
     .eq(2)
     .type(description);
   cy.contains('button', 'Save').click();