refactor: lexical (#1954)

packages/blocks-editor/.eslintignore

@@ -0,0 +1,12 @@
+# NOTE: In general this should be kept in sync with .eslintignore
+
+**/dist/**
+**/config/**
+**/build/**
+**/npm/**
+**/*.js.flow
+**/*.d.ts
+**/playwright*/**
+**/vite.config.js
+**/vite.prod.config.js
+**/node_modules

packages/blocks-editor/.eslintrc.js

@@ -0,0 +1,254 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+'use strict';
+
+const restrictedGlobals = require('confusing-browser-globals');
+
+const OFF = 0;
+const ERROR = 2;
+
+module.exports = {
+  root: true,
+  // Prettier must be last so it can override other configs (https://github.com/prettier/eslint-config-prettier#installation)
+  extends: [
+    'fbjs',
+    'plugin:react-hooks/recommended',
+    'plugin:lexical/all',
+    'prettier',
+  ],
+
+  globals: {
+    JSX: true,
+    __DEV__: true,
+  },
+
+  overrides: [
+    {
+      // We apply these settings to the source files that get compiled.
+      // They can use all features including JSX (but shouldn't use `var`).
+      files: [
+        'packages/*/src/**/*.js',
+        'packages/*/__tests__/**/*.?(m)js',
+        'packages/*/src/**/*.jsx',
+      ],
+      parser: 'babel-eslint',
+      parserOptions: {
+        allowImportExportEverywhere: true,
+        sourceType: 'module',
+      },
+      rules: {
+        'no-var': ERROR,
+        'prefer-const': ERROR,
+        strict: OFF,
+      },
+    },
+    {
+      // node scripts should be console logging so don't lint against that
+      files: ['scripts/**/*.js'],
+      rules: {
+        'no-console': OFF,
+      },
+    },
+    {
+      env: {
+        browser: true,
+      },
+      extends: [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/eslint-recommended',
+        'plugin:@typescript-eslint/recommended',
+      ],
+      files: ['**/*.ts', '**/*.tsx'],
+      parser: '@typescript-eslint/parser',
+      parserOptions: {
+        sourceType: 'module',
+      },
+      plugins: ['react', '@typescript-eslint', 'header'],
+      rules: {
+        '@typescript-eslint/ban-ts-comment': OFF,
+        '@typescript-eslint/no-this-alias': OFF,
+        '@typescript-eslint/no-unused-vars': [ERROR, {args: 'none'}],
+        'header/header': [2, 'scripts/www/headerTemplate.js'],
+      },
+    },
+    {
+      // don't lint headers in entrypoint files so we can add TypeDoc module comments
+      files: ['packages/**/src/index.ts'],
+      rules: {
+        'header/header': OFF,
+      },
+    },
+    {
+      files: [
+        'packages/**/src/__tests__/**',
+        'packages/lexical-playground/**',
+        'packages/lexical-devtools/**',
+      ],
+      rules: {
+        'lexical/no-optional-chaining': OFF,
+      },
+    },
+  ],
+
+  parser: 'babel-eslint',
+
+  parserOptions: {
+    ecmaFeatures: {
+      experimentalObjectRestSpread: true,
+    },
+    ecmaVersion: 8,
+    sourceType: 'script',
+  },
+
+  plugins: [
+    'sort-keys-fix',
+    'simple-import-sort',
+    'header',
+
+    // import helps to configure simple-import-sort
+    'import',
+    'jest',
+    'no-function-declare-after-return',
+    'react',
+    'no-only-tests',
+    'lexical',
+  ],
+
+  // Stop ESLint from looking for a configuration file in parent folders
+  root: true,
+  // We're stricter than the default config, mostly. We'll override a few rules
+  // and then enable some React specific ones.
+  rules: {
+    'accessor-pairs': OFF,
+
+    'brace-style': [ERROR, '1tbs'],
+    'consistent-return': OFF,
+    'dot-location': [ERROR, 'property'],
+    // We use console['error']() as a signal to not transform it:
+    'dot-notation': [ERROR, {allowPattern: '^(error|warn)$'}],
+
+    'eol-last': ERROR,
+    eqeqeq: [ERROR, 'allow-null'],
+    // Prettier forces semicolons in a few places
+    'flowtype/object-type-delimiter': OFF,
+
+    'flowtype/sort-keys': ERROR,
+
+    'header/header': [2, 'scripts/www/headerTemplate.js'],
+
+    // (This helps configure simple-import-sort) Make sure all imports are at the top of the file
+    'import/first': ERROR,
+
+    // (This helps configure simple-import-sort) Make sure there's a newline after the imports
+    'import/newline-after-import': ERROR,
+
+    // (This helps configure simple-import-sort) Merge imports of the same file
+    'import/no-duplicates': ERROR,
+
+    indent: OFF,
+
+    'jsx-quotes': [ERROR, 'prefer-double'],
+
+    'keyword-spacing': [ERROR, {after: true, before: true}],
+
+    // Enforced by Prettier
+    // TODO: Prettier doesn't handle long strings or long comments. Not a big
+    // deal. But I turned it off because loading the plugin causes some obscure
+    // syntax error and it didn't seem worth investigating.
+    'max-len': OFF,
+
+    'no-bitwise': OFF,
+
+    'no-console': ERROR,
+
+    'no-debugger': ERROR,
+
+    // Prevent function declarations after return statements
+    'no-function-declare-after-return/no-function-declare-after-return': ERROR,
+
+    'no-inner-declarations': [ERROR, 'functions'],
+
+    'no-multi-spaces': ERROR,
+
+    'no-only-tests/no-only-tests': ERROR,
+
+    'no-restricted-globals': [ERROR].concat(restrictedGlobals),
+
+    'no-restricted-syntax': [ERROR, 'WithStatement'],
+
+    'no-shadow': ERROR,
+
+    'no-unused-expressions': ERROR,
+
+    'no-unused-vars': [ERROR, {args: 'none'}],
+
+    'no-use-before-define': OFF,
+
+    // Flow fails with with non-string literal keys
+    'no-useless-computed-key': OFF,
+
+    'no-useless-concat': OFF,
+
+    // We apply these settings to files that should run on Node.
+    // They can't use JSX or ES6 modules, and must be in strict mode.
+    // They can, however, use other ES6 features.
+    // (Note these rules are overridden later for source files.)
+    'no-var': ERROR,
+
+    quotes: [ERROR, 'single', {allowTemplateLiterals: true, avoidEscape: true}],
+
+    // React & JSX
+    // Our transforms set this automatically
+    'react/jsx-boolean-value': [ERROR, 'always'],
+
+    'react/jsx-no-undef': ERROR,
+
+    // We don't care to do this
+    'react/jsx-sort-prop-types': OFF,
+
+    'react/jsx-tag-spacing': ERROR,
+
+    'react/jsx-uses-react': ERROR,
+
+    // We don't care to do this
+    'react/jsx-wrap-multilines': [
+      ERROR,
+      {assignment: false, declaration: false},
+    ],
+
+    'react/no-is-mounted': OFF,
+
+    // This isn't useful in our test code
+    'react/react-in-jsx-scope': ERROR,
+
+    'react/self-closing-comp': ERROR,
+
+    // This sorts re-exports (`export * from 'foo';`), but not other types of exports.
+    'simple-import-sort/exports': ERROR,
+
+    'simple-import-sort/imports': [
+      ERROR,
+      {
+        // The default grouping, but with type imports first as a separate group.
+        // See: https://github.com/lydell/eslint-plugin-simple-import-sort/blob/d9a116f71302c5dcfc1581fc7ded8d77392f1924/examples/.eslintrc.js#L122-L133
+        groups: [['^.*\\u0000$'], ['^\\u0000'], ['^@?\\w'], ['^'], ['^\\.']],
+      },
+    ],
+
+    'sort-keys-fix/sort-keys-fix': ERROR,
+
+    'space-before-blocks': ERROR,
+
+    'space-before-function-paren': OFF,
+
+    strict: ERROR,
+
+    'valid-typeof': [ERROR, {requireStringLiterals: true}],
+  },
+};

packages/blocks-editor/.gitignore

@@ -0,0 +1 @@
+dist

packages/blocks-editor/.prettierignore

@@ -0,0 +1,15 @@
+# NOTE: In general this should be kept in sync with .eslintignore
+
+packages/**/dist/*.js
+packages/**/build/*.js
+packages/**/npm/**/*
+packages/**/config/*.js
+packages/playwright
+packages/playwright-core
+packages/**/vite.config.js
+packages/**/vite.prod.config.js
+**/*.md
+**/node_modules
+flow-typed
+.github/CODEOWNERS
+.prettierignore

packages/blocks-editor/.prettierrc.js

@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = {
+  bracketSpacing: false,
+  singleQuote: true,
+  bracketSameLine: true,
+  printWidth: 80,
+  trailingComma: 'all',
+  htmlWhitespaceSensitivity: 'ignore',
+  attributeGroups: ['$DEFAULT', '^data-'],
+};

packages/blocks-editor/CHANGELOG.md

@@ -0,0 +1,94 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
+
+## [1.3.6](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.3.5...@standardnotes/toast@1.3.6) (2022-11-04)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.5](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.3.4...@standardnotes/toast@1.3.5) (2022-08-11)
+
+### Bug Fixes
+
+* optimize toasts for mobile ([#1392](https://github.com/standardnotes/app/issues/1392)) ([40d9392](https://github.com/standardnotes/app/commit/40d9392599e871225abcabcddd51de6cc99a0fe9))
+
+## [1.3.4](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.3.3...@standardnotes/toast@1.3.4) (2022-07-14)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.3](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.3.2...@standardnotes/toast@1.3.3) (2022-07-13)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.2](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.3.1...@standardnotes/toast@1.3.2) (2022-07-06)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.1](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.3.0...@standardnotes/toast@1.3.1) (2022-06-28)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+# [1.3.0](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.2.4...@standardnotes/toast@1.3.0) (2022-06-27)
+
+### Features
+
+* **web:** tailwind css ([#1147](https://github.com/standardnotes/app/issues/1147)) ([b80038f](https://github.com/standardnotes/app/commit/b80038f607d7411912fa99366abf559a44874ef3))
+
+## [1.2.4](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.2.4-alpha.0...@standardnotes/toast@1.2.4) (2022-06-18)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.2.4-alpha.0](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.2.3...@standardnotes/toast@1.2.4-alpha.0) (2022-06-18)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## 1.2.3 (2022-06-16)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## 1.2.2 (2022-06-16)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.2.1](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.2.1-alpha.4...@standardnotes/toast@1.2.1) (2022-06-16)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## 1.2.1-alpha.4 (2022-06-16)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## 1.2.1-alpha.3 (2022-06-16)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## 1.2.1-alpha.2 (2022-06-15)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.2.1-alpha.1](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.2.1-alpha.0...@standardnotes/toast@1.2.1-alpha.1) (2022-06-14)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.2.1-alpha.0](https://github.com/standardnotes/app/compare/@standardnotes/toast@1.2.0...@standardnotes/toast@1.2.1-alpha.0) (2022-06-14)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+# 1.2.0 (2022-06-10)
+
+### Features
+
+* mobile app package ([#1075](https://github.com/standardnotes/app/issues/1075)) ([8248a38](https://github.com/standardnotes/app/commit/8248a38280cb7c92da2b2e9c7db298f34ae8ffdf))
+* styles package ([#1074](https://github.com/standardnotes/app/issues/1074)) ([3100327](https://github.com/standardnotes/app/commit/31003276b73d3e89824bc002fe616fa055e918c4))
+* toast package ([#1073](https://github.com/standardnotes/app/issues/1073)) ([6d0b6e9](https://github.com/standardnotes/app/commit/6d0b6e9018b2a612b8df4827336883fe04033128))
+* **wip:** components monorepo ([#1082](https://github.com/standardnotes/app/issues/1082)) ([e3d6001](https://github.com/standardnotes/app/commit/e3d6001a178e11e619ca724b2b155b7c0405c023))
+
+# 1.1.0 (2022-06-10)
+
+### Features
+
+* mobile app package ([#1075](https://github.com/standardnotes/app/issues/1075)) ([8248a38](https://github.com/standardnotes/app/commit/8248a38280cb7c92da2b2e9c7db298f34ae8ffdf))
+* styles package ([#1074](https://github.com/standardnotes/app/issues/1074)) ([3100327](https://github.com/standardnotes/app/commit/31003276b73d3e89824bc002fe616fa055e918c4))
+* toast package ([#1073](https://github.com/standardnotes/app/issues/1073)) ([6d0b6e9](https://github.com/standardnotes/app/commit/6d0b6e9018b2a612b8df4827336883fe04033128))
+* **wip:** components monorepo ([8c5e11c](https://github.com/standardnotes/app/commit/8c5e11c22b717ada7a6a9b3115fc4c9b757ec71c))

packages/blocks-editor/README.md

@@ -0,0 +1 @@
+Based on https://github.com/facebook/lexical/tree/main/packages/lexical-playground

packages/blocks-editor/blocks.webpack.config.js

@@ -0,0 +1,32 @@
+const path = require('path')
+module.exports = () => {
+  return {
+    entry: './src/index.ts',
+    output: {
+      filename: './dist.js',
+    },
+    mode: 'production',
+    resolve: {
+      extensions: ['.ts', '.tsx', '.js'],
+    },
+    externals: {
+      "@standardnotes/icons": path.resolve(__dirname, "./node_modules/@standardnotes/icons")
+    },
+    module: {
+      rules: [
+        {
+          test: /\.(js|tsx?)$/,
+          use: [
+            'babel-loader',
+            {
+              loader: 'ts-loader',
+              options: {
+                transpileOnly: true,
+              },
+            },
+          ],
+        },
+      ],
+    },
+  }
+}

packages/blocks-editor/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "@standardnotes/blocks-editor",
+  "version": "1.3.6",
+  "private": true,
+  "main": "./src/index.ts",
+  "scripts": {
+    "start": "tsc -p tsconfig.json --watch"
+  },
+  "dependencies": {
+    "@lexical/react": "^0.6.0",
+    "@standardnotes/icons": "workspace:*",
+    "lexical": "^0.6.0",
+    "react": "link:../web/node_modules/react",
+    "react-dom": "link:../web/node_modules/react-dom"
+  },
+  "devDependencies": {
+    "@types/react": "link:../web/node_modules/@types/react",
+    "@types/react-dom": "link:../web/node_modules/@types/react-dom",
+    "eslint": "*",
+    "prettier": "*",
+    "typescript": "*"
+  }
+}

packages/blocks-editor/src/Editor/BlocksEditor.tsx

@@ -0,0 +1,115 @@
+import {FunctionComponent, useCallback, useState} from 'react';
+import {LexicalComposer} from '@lexical/react/LexicalComposer';
+import {RichTextPlugin} from '@lexical/react/LexicalRichTextPlugin';
+import {ContentEditable} from '@lexical/react/LexicalContentEditable';
+import {OnChangePlugin} from '@lexical/react/LexicalOnChangePlugin';
+import {AutoFocusPlugin} from '@lexical/react/LexicalAutoFocusPlugin';
+import {CheckListPlugin} from '@lexical/react/LexicalCheckListPlugin';
+import {ClearEditorPlugin} from '@lexical/react/LexicalClearEditorPlugin';
+import {MarkdownShortcutPlugin} from '@lexical/react/LexicalMarkdownShortcutPlugin';
+import {TablePlugin} from '@lexical/react/LexicalTablePlugin';
+import {
+  CHECK_LIST,
+  ELEMENT_TRANSFORMERS,
+  TEXT_FORMAT_TRANSFORMERS,
+  TEXT_MATCH_TRANSFORMERS,
+} from '@lexical/markdown';
+import LexicalErrorBoundary from '@lexical/react/LexicalErrorBoundary';
+import {HashtagPlugin} from '@lexical/react/LexicalHashtagPlugin';
+import {HistoryPlugin} from '@lexical/react/LexicalHistoryPlugin';
+import {LinkPlugin} from '@lexical/react/LexicalLinkPlugin';
+import {ListPlugin} from '@lexical/react/LexicalListPlugin';
+import {EditorState, LexicalEditor} from 'lexical';
+
+import ComponentPickerMenuPlugin from '../Lexical/Plugins/ComponentPickerPlugin';
+import BlocksEditorTheme from '../Lexical/Theme/Theme';
+import HorizontalRulePlugin from '../Lexical/Plugins/HorizontalRulePlugin';
+import TwitterPlugin from '../Lexical/Plugins/TwitterPlugin';
+import YouTubePlugin from '../Lexical/Plugins/YouTubePlugin';
+import AutoEmbedPlugin from '../Lexical/Plugins/AutoEmbedPlugin';
+import CollapsiblePlugin from '../Lexical/Plugins/CollapsiblePlugin';
+import {BlockEditorNodes} from '../Lexical/Nodes/AllNodes';
+// import DraggableBlockPlugin from '../Lexical/Plugins/DraggableBlockPlugin';
+
+type BlocksEditorProps = {
+  initialValue: string;
+  onChange: (value: string) => void;
+  className?: string;
+};
+
+export const BlocksEditor: FunctionComponent<BlocksEditorProps> = ({
+  initialValue,
+  onChange,
+  className,
+}) => {
+  const handleChange = useCallback(
+    (editorState: EditorState, _editor: LexicalEditor) => {
+      const stringifiedEditorState = JSON.stringify(editorState.toJSON());
+      onChange(stringifiedEditorState);
+    },
+    [onChange],
+  );
+
+  const [floatingAnchorElem, setFloatingAnchorElem] =
+    useState<HTMLDivElement | null>(null);
+
+  const onRef = (_floatingAnchorElem: HTMLDivElement) => {
+    if (_floatingAnchorElem !== null) {
+      setFloatingAnchorElem(_floatingAnchorElem);
+    }
+  };
+
+  return (
+    <LexicalComposer
+      initialConfig={{
+        namespace: 'BlocksEditor',
+        theme: BlocksEditorTheme,
+        onError: (error: Error) => console.error(error),
+        editorState:
+          initialValue && initialValue.length > 0 ? initialValue : undefined,
+        nodes: BlockEditorNodes,
+      }}>
+      <>
+        <RichTextPlugin
+          contentEditable={
+            <div id="blocks-editor" className="editor-scroller">
+              <div className="editor" ref={onRef}>
+                <ContentEditable
+                  className={`ContentEditable__root ${className}`}
+                />
+              </div>
+            </div>
+          }
+          placeholder=""
+          ErrorBoundary={LexicalErrorBoundary}
+        />
+        <ListPlugin />
+        <MarkdownShortcutPlugin
+          transformers={[
+            CHECK_LIST,
+            ...ELEMENT_TRANSFORMERS,
+            ...TEXT_FORMAT_TRANSFORMERS,
+            ...TEXT_MATCH_TRANSFORMERS,
+          ]}
+        />
+        <TablePlugin />
+        <OnChangePlugin onChange={handleChange} />
+        <HistoryPlugin />
+        <HorizontalRulePlugin />
+        <AutoFocusPlugin />
+        <ComponentPickerMenuPlugin />
+        <ClearEditorPlugin />
+        <CheckListPlugin />
+        <LinkPlugin />
+        <HashtagPlugin />
+        <AutoEmbedPlugin />
+        <TwitterPlugin />
+        <YouTubePlugin />
+        <CollapsiblePlugin />
+        {floatingAnchorElem && (
+          <>{/* <DraggableBlockPlugin anchorElem={floatingAnchorElem} /> */}</>
+        )}
+      </>
+    </LexicalComposer>
+  );
+};

packages/blocks-editor/src/Lexical/Hooks/useModal.tsx

@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import {useCallback, useMemo, useState} from 'react';
+
+import Modal from '../UI/Modal';
+
+export default function useModal(): [
+  JSX.Element | null,
+  (title: string, showModal: (onClose: () => void) => JSX.Element) => void,
+] {
+  const [modalContent, setModalContent] = useState<null | {
+    closeOnClickOutside: boolean;
+    content: JSX.Element;
+    title: string;
+  }>(null);
+
+  const onClose = useCallback(() => {
+    setModalContent(null);
+  }, []);
+
+  const modal = useMemo(() => {
+    if (modalContent === null) {
+      return null;
+    }
+    const {title, content, closeOnClickOutside} = modalContent;
+    return (
+      <Modal
+        onClose={onClose}
+        title={title}
+        closeOnClickOutside={closeOnClickOutside}>
+        {content}
+      </Modal>
+    );
+  }, [modalContent, onClose]);
+
+  const showModal = useCallback(
+    (
+      title: string,
+      // eslint-disable-next-line no-shadow
+      getContent: (onClose: () => void) => JSX.Element,
+      closeOnClickOutside = false,
+    ) => {
+      setModalContent({
+        closeOnClickOutside,
+        content: getContent(onClose),
+        title,
+      });
+    },
+    [onClose],
+  );
+
+  return [modal, showModal];
+}

packages/blocks-editor/src/Lexical/Icons/LICENSE.md

@@ -0,0 +1,5 @@
+Bootstrap Icons
+https://icons.getbootstrap.com
+
+Licensed under MIT license
+https://github.com/twbs/icons/blob/main/LICENSE.md

packages/blocks-editor/src/Lexical/Icons/arrow-clockwise.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-arrow-clockwise"><path fill-rule="evenodd" d="M8 3a5 5 0 1 0 4.546 2.914.5.5 0 0 1 .908-.417A6 6 0 1 1 8 2v1z"/><path d="M8 4.466V.534a.25.25 0 0 1 .41-.192l2.36 1.966c.12.1.12.284 0 .384L8.41 4.658A.25.25 0 0 1 8 4.466z"/></svg>

packages/blocks-editor/src/Lexical/Icons/arrow-counterclockwise.svg

@@ -0,0 +1 @@
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packages/blocks-editor/src/Lexical/Icons/bg-color.svg

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packages/blocks-editor/src/Lexical/Icons/camera.svg

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packages/blocks-editor/src/Lexical/Icons/card-checklist.svg

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packages/blocks-editor/src/Lexical/Icons/caret-right-fill.svg

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packages/blocks-editor/src/Lexical/Icons/chat-left-text.svg

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packages/blocks-editor/src/Lexical/Icons/chat-right-dots.svg

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packages/blocks-editor/src/Lexical/Icons/chat-right-text.svg

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packages/blocks-editor/src/Lexical/Icons/chat-right.svg

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packages/blocks-editor/src/Lexical/Icons/chat-square-quote.svg

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packages/blocks-editor/src/Lexical/Icons/chevron-down.svg

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packages/blocks-editor/src/Lexical/Icons/clipboard.svg

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packages/blocks-editor/src/Lexical/Icons/close.svg

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packages/blocks-editor/src/Lexical/Icons/code.svg

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packages/blocks-editor/src/Lexical/Icons/comments.svg

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packages/blocks-editor/src/Lexical/Icons/copy.svg

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packages/blocks-editor/src/Lexical/Icons/diagram-2.svg

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packages/blocks-editor/src/Lexical/Icons/download.svg

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packages/blocks-editor/src/Lexical/Icons/draggable-block-menu.svg

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packages/blocks-editor/src/Lexical/Icons/dropdown-more.svg

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packages/blocks-editor/src/Lexical/Icons/figma.svg

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packages/blocks-editor/src/Lexical/Icons/file-image.svg

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packages/blocks-editor/src/Lexical/Icons/filetype-gif.svg

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packages/blocks-editor/src/Lexical/Icons/font-color.svg

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packages/blocks-editor/src/Lexical/Icons/font-family.svg

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packages/blocks-editor/src/Lexical/Icons/gear.svg

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packages/blocks-editor/src/Lexical/Icons/horizontal-rule.svg

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packages/blocks-editor/src/Lexical/Icons/indent.svg

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packages/blocks-editor/src/Lexical/Icons/journal-code.svg

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packages/blocks-editor/src/Lexical/Icons/journal-text.svg

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packages/blocks-editor/src/Lexical/Icons/justify.svg

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packages/blocks-editor/src/Lexical/Icons/link.svg

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packages/blocks-editor/src/Lexical/Icons/list-ol.svg

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packages/blocks-editor/src/Lexical/Icons/list-ul.svg

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packages/blocks-editor/src/Lexical/Icons/lock-fill.svg

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packages/blocks-editor/src/Lexical/Icons/lock.svg

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packages/blocks-editor/src/Lexical/Icons/markdown.svg

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packages/blocks-editor/src/Lexical/Icons/mic.svg

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packages/blocks-editor/src/Lexical/Icons/outdent.svg

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packages/blocks-editor/src/Lexical/Icons/paint-bucket.svg

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packages/blocks-editor/src/Lexical/Icons/palette.svg

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packages/blocks-editor/src/Lexical/Icons/pencil-fill.svg

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packages/blocks-editor/src/Lexical/Icons/plug-fill.svg

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packages/blocks-editor/src/Lexical/Icons/plug.svg

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packages/blocks-editor/src/Lexical/Icons/plus-slash-minus.svg

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packages/blocks-editor/src/Lexical/Icons/plus.svg

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packages/blocks-editor/src/Lexical/Icons/prettier-error.svg

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packages/blocks-editor/src/Lexical/Icons/prettier.svg

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packages/blocks-editor/src/Lexical/Icons/send.svg

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packages/blocks-editor/src/Lexical/Icons/square-check.svg

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packages/blocks-editor/src/Lexical/Icons/sticky.svg

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packages/blocks-editor/src/Lexical/Icons/success.svg

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packages/blocks-editor/src/Lexical/Icons/table.svg

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packages/blocks-editor/src/Lexical/Icons/text-center.svg

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packages/blocks-editor/src/Lexical/Icons/text-left.svg

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packages/blocks-editor/src/Lexical/Icons/text-paragraph.svg

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packages/blocks-editor/src/Lexical/Icons/text-right.svg

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packages/blocks-editor/src/Lexical/Icons/trash.svg

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packages/blocks-editor/src/Lexical/Icons/trash3.svg

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packages/blocks-editor/src/Lexical/Icons/tweet.svg

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packages/blocks-editor/src/Lexical/Icons/type-bold.svg

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packages/blocks-editor/src/Lexical/Icons/type-h1.svg

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packages/blocks-editor/src/Lexical/Icons/type-h2.svg

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packages/blocks-editor/src/Lexical/Icons/type-h3.svg

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packages/blocks-editor/src/Lexical/Icons/type-h4.svg

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packages/blocks-editor/src/Lexical/Icons/type-h5.svg

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packages/blocks-editor/src/Lexical/Icons/type-h6.svg

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packages/blocks-editor/src/Lexical/Icons/type-italic.svg

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packages/blocks-editor/src/Lexical/Icons/type-strikethrough.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-type-strikethrough"><path d="M6.333 5.686c0 .31.083.581.27.814H5.166a2.776 2.776 0 0 1-.099-.76c0-1.627 1.436-2.768 3.48-2.768 1.969 0 3.39 1.175 3.445 2.85h-1.23c-.11-1.08-.964-1.743-2.25-1.743-1.23 0-2.18.602-2.18 1.607zm2.194 7.478c-2.153 0-3.589-1.107-3.705-2.81h1.23c.144 1.06 1.129 1.703 2.544 1.703 1.34 0 2.31-.705 2.31-1.675 0-.827-.547-1.374-1.914-1.675L8.046 8.5H1v-1h14v1h-3.504c.468.437.675.994.675 1.697 0 1.826-1.436 2.967-3.644 2.967z"/></svg>

packages/blocks-editor/src/Lexical/Icons/type-subscript.svg

@@ -0,0 +1 @@
+<svg width="16" height="16" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M11.354 14.5v-.665l1.553-1.438c.132-.128.243-.243.332-.345.091-.102.16-.203.207-.3.047-.1.07-.207.07-.322a.574.574 0 0 0-.326-.546.748.748 0 0 0-.343-.077.721.721 0 0 0-.35.082.557.557 0 0 0-.23.232.753.753 0 0 0-.08.36h-.876c0-.286.065-.534.194-.744.13-.21.31-.373.543-.488.233-.115.502-.172.806-.172.312 0 .584.055.816.166.233.11.414.261.543.456.13.194.194.418.194.669 0 .165-.033.327-.098.488-.064.16-.178.339-.343.535a7.918 7.918 0 0 1-.697.7l-.637.625v.03h1.832v.754h-3.11ZM5.04 4.273 6.96 7.469h.068l1.93-3.196h1.803L8.073 8.636 10.805 13H8.972L7.03 9.825h-.068L5.018 13H3.194l2.757-4.364-2.723-4.363H5.04Z" fill="currentColor"/></svg>

packages/blocks-editor/src/Lexical/Icons/type-superscript.svg

@@ -0,0 +1 @@
+<svg width="16" height="16" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M11.354 6v-.665l1.553-1.438c.132-.128.243-.243.332-.345a1.31 1.31 0 0 0 .207-.3c.047-.1.07-.207.07-.322a.574.574 0 0 0-.326-.545.748.748 0 0 0-.343-.077.721.721 0 0 0-.35.08.557.557 0 0 0-.23.233.753.753 0 0 0-.08.36h-.876c0-.286.065-.534.194-.744.13-.21.31-.373.543-.488.233-.115.502-.172.806-.172.312 0 .584.055.816.166.233.11.414.261.543.456.13.194.194.417.194.669 0 .165-.033.327-.098.488-.064.16-.178.339-.343.535a7.92 7.92 0 0 1-.697.7l-.637.625v.03h1.832V6h-3.11ZM5.04 4.273 6.96 7.469h.068l1.93-3.196h1.803L8.073 8.636 10.805 13H8.972L7.03 9.825h-.068L5.018 13H3.194l2.757-4.364-2.723-4.363H5.04Z" fill="currentColor"/></svg>

packages/blocks-editor/src/Lexical/Icons/type-underline.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-type-underline"><path d="M5.313 3.136h-1.23V9.54c0 2.105 1.47 3.623 3.917 3.623s3.917-1.518 3.917-3.623V3.136h-1.23v6.323c0 1.49-.978 2.57-2.687 2.57-1.709 0-2.687-1.08-2.687-2.57V3.136zM12.5 15h-9v-1h9v1z"/></svg>

packages/blocks-editor/src/Lexical/Icons/upload.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-upload"><path d="M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z"/><path d="M7.646 1.146a.5.5 0 0 1 .708 0l3 3a.5.5 0 0 1-.708.708L8.5 2.707V11.5a.5.5 0 0 1-1 0V2.707L5.354 4.854a.5.5 0 1 1-.708-.708l3-3z"/></svg>

packages/blocks-editor/src/Lexical/Icons/user.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Pro 6.1.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2022 Fonticons, Inc.--><path d="M256 0C114.6 0 0 114.6 0 256s114.6 256 256 256 256-114.6 256-256S397.4 0 256 0zm0 128c39.77 0 72 32.24 72 72s-32.2 72-72 72c-39.76 0-72-32.24-72-72s32.2-72 72-72zm0 320c-52.93 0-100.9-21.53-135.7-56.29C136.5 349.9 176.5 320 224 320h64c47.54 0 87.54 29.88 103.7 71.71C356.9 426.5 308.9 448 256 448z"/></svg>

packages/blocks-editor/src/Lexical/Icons/youtube.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-youtube"><path d="M8.051 1.999h.089c.822.003 4.987.033 6.11.335a2.01 2.01 0 0 1 1.415 1.42c.101.38.172.883.22 1.402l.01.104.022.26.008.104c.065.914.073 1.77.074 1.957v.075c-.001.194-.01 1.108-.082 2.06l-.008.105-.009.104c-.05.572-.124 1.14-.235 1.558a2.007 2.007 0 0 1-1.415 1.42c-1.16.312-5.569.334-6.18.335h-.142c-.309 0-1.587-.006-2.927-.052l-.17-.006-.087-.004-.171-.007-.171-.007c-1.11-.049-2.167-.128-2.654-.26a2.007 2.007 0 0 1-1.415-1.419c-.111-.417-.185-.986-.235-1.558L.09 9.82l-.008-.104A31.4 31.4 0 0 1 0 7.68v-.123c.002-.215.01-.958.064-1.778l.007-.103.003-.052.008-.104.022-.26.01-.104c.048-.519.119-1.023.22-1.402a2.007 2.007 0 0 1 1.415-1.42c.487-.13 1.544-.21 2.654-.26l.17-.007.172-.006.086-.003.171-.007A99.788 99.788 0 0 1 7.858 2h.193zM6.4 5.209v4.818l4.157-2.408L6.4 5.209z"/></svg>

packages/blocks-editor/src/Lexical/Nodes/AllNodes.ts

@@ -0,0 +1,37 @@
+import {CodeHighlightNode, CodeNode} from '@lexical/code';
+import {HashtagNode} from '@lexical/hashtag';
+import {AutoLinkNode, LinkNode} from '@lexical/link';
+import {ListItemNode, ListNode} from '@lexical/list';
+import {MarkNode} from '@lexical/mark';
+import {OverflowNode} from '@lexical/overflow';
+import {HorizontalRuleNode} from '@lexical/react/LexicalHorizontalRuleNode';
+import {HeadingNode, QuoteNode} from '@lexical/rich-text';
+import {TableCellNode, TableNode, TableRowNode} from '@lexical/table';
+import {TweetNode} from './TweetNode';
+import {YouTubeNode} from './YouTubeNode';
+import {CollapsibleContainerNode} from '../Plugins/CollapsiblePlugin/CollapsibleContainerNode';
+import {CollapsibleContentNode} from '../Plugins/CollapsiblePlugin/CollapsibleContentNode';
+import {CollapsibleTitleNode} from '../Plugins/CollapsiblePlugin/CollapsibleTitleNode';
+
+export const BlockEditorNodes = [
+  AutoLinkNode,
+  CodeHighlightNode,
+  CodeNode,
+  CollapsibleContainerNode,
+  CollapsibleContentNode,
+  CollapsibleTitleNode,
+  HashtagNode,
+  HeadingNode,
+  HorizontalRuleNode,
+  LinkNode,
+  ListItemNode,
+  ListNode,
+  MarkNode,
+  OverflowNode,
+  QuoteNode,
+  TableCellNode,
+  TableNode,
+  TableRowNode,
+  TweetNode,
+  YouTubeNode,
+];

packages/blocks-editor/src/Lexical/Nodes/TableNode.tsx

@@ -0,0 +1,416 @@
+import {
+  DOMConversionMap,
+  DOMConversionOutput,
+  DOMExportOutput,
+  EditorConfig,
+  LexicalEditor,
+  LexicalNode,
+  NodeKey,
+  SerializedLexicalNode,
+  Spread,
+  DecoratorNode,
+} from 'lexical';
+
+import * as React from 'react';
+import {Suspense} from 'react';
+
+export type Cell = {
+  colSpan: number;
+  json: string;
+  type: 'normal' | 'header';
+  id: string;
+  width: number | null;
+};
+
+export type Row = {
+  cells: Array<Cell>;
+  height: null | number;
+  id: string;
+};
+
+export type Rows = Array<Row>;
+
+export const cellHTMLCache: Map<string, string> = new Map();
+export const cellTextContentCache: Map<string, string> = new Map();
+
+const emptyEditorJSON =
+  '{"root":{"children":[{"children":[],"direction":null,"format":"","indent":0,"type":"paragraph","version":1}],"direction":null,"format":"","indent":0,"type":"root","version":1}}';
+
+const plainTextEditorJSON = (text: string) =>
+  text === ''
+    ? emptyEditorJSON
+    : `{"root":{"children":[{"children":[{"detail":0,"format":0,"mode":"normal","style":"","text":${text},"type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"paragraph","version":1}],"direction":"ltr","format":"","indent":0,"type":"root","version":1}}`;
+
+const TableComponent = React.lazy(
+  // @ts-ignore
+  () => import('./TableComponent'),
+);
+
+export function createUID(): string {
+  return Math.random()
+    .toString(36)
+    .replace(/[^a-z]+/g, '')
+    .substr(0, 5);
+}
+
+function createCell(type: 'normal' | 'header'): Cell {
+  return {
+    colSpan: 1,
+    id: createUID(),
+    json: emptyEditorJSON,
+    type,
+    width: null,
+  };
+}
+
+export function createRow(): Row {
+  return {
+    cells: [],
+    height: null,
+    id: createUID(),
+  };
+}
+
+export type SerializedTableNode = Spread<
+  {
+    rows: Rows;
+    type: 'tablesheet';
+    version: 1;
+  },
+  SerializedLexicalNode
+>;
+
+export function extractRowsFromHTML(tableElem: HTMLTableElement): Rows {
+  const rowElems = tableElem.querySelectorAll('tr');
+  const rows: Rows = [];
+  for (let y = 0; y < rowElems.length; y++) {
+    const rowElem = rowElems[y];
+    const cellElems = rowElem.querySelectorAll('td,th');
+    if (!cellElems || cellElems.length === 0) {
+      continue;
+    }
+    const cells: Array<Cell> = [];
+    for (let x = 0; x < cellElems.length; x++) {
+      const cellElem = cellElems[x] as HTMLElement;
+      const isHeader = cellElem.nodeName === 'TH';
+      const cell = createCell(isHeader ? 'header' : 'normal');
+      cell.json = plainTextEditorJSON(
+        JSON.stringify(cellElem.innerText.replace(/\n/g, ' ')),
+      );
+      cells.push(cell);
+    }
+    const row = createRow();
+    row.cells = cells;
+    rows.push(row);
+  }
+  return rows;
+}
+
+function convertTableElement(domNode: HTMLElement): null | DOMConversionOutput {
+  const rowElems = domNode.querySelectorAll('tr');
+  if (!rowElems || rowElems.length === 0) {
+    return null;
+  }
+  const rows: Rows = [];
+  for (let y = 0; y < rowElems.length; y++) {
+    const rowElem = rowElems[y];
+    const cellElems = rowElem.querySelectorAll('td,th');
+    if (!cellElems || cellElems.length === 0) {
+      continue;
+    }
+    const cells: Array<Cell> = [];
+    for (let x = 0; x < cellElems.length; x++) {
+      const cellElem = cellElems[x] as HTMLElement;
+      const isHeader = cellElem.nodeName === 'TH';
+      const cell = createCell(isHeader ? 'header' : 'normal');
+      cell.json = plainTextEditorJSON(
+        JSON.stringify(cellElem.innerText.replace(/\n/g, ' ')),
+      );
+      cells.push(cell);
+    }
+    const row = createRow();
+    row.cells = cells;
+    rows.push(row);
+  }
+  return {node: $createTableNode(rows)};
+}
+
+export function exportTableCellsToHTML(
+  rows: Rows,
+  rect?: {startX: number; endX: number; startY: number; endY: number},
+): HTMLElement {
+  const table = document.createElement('table');
+  const colGroup = document.createElement('colgroup');
+  const tBody = document.createElement('tbody');
+  const firstRow = rows[0];
+
+  for (
+    let x = rect != null ? rect.startX : 0;
+    x < (rect != null ? rect.endX + 1 : firstRow.cells.length);
+    x++
+  ) {
+    const col = document.createElement('col');
+    colGroup.append(col);
+  }
+
+  for (
+    let y = rect != null ? rect.startY : 0;
+    y < (rect != null ? rect.endY + 1 : rows.length);
+    y++
+  ) {
+    const row = rows[y];
+    const cells = row.cells;
+    const rowElem = document.createElement('tr');
+
+    for (
+      let x = rect != null ? rect.startX : 0;
+      x < (rect != null ? rect.endX + 1 : cells.length);
+      x++
+    ) {
+      const cell = cells[x];
+      const cellElem = document.createElement(
+        cell.type === 'header' ? 'th' : 'td',
+      );
+      cellElem.innerHTML = cellHTMLCache.get(cell.json) || '';
+      rowElem.appendChild(cellElem);
+    }
+    tBody.appendChild(rowElem);
+  }
+
+  table.appendChild(colGroup);
+  table.appendChild(tBody);
+  return table;
+}
+
+export class TableNode extends DecoratorNode<JSX.Element> {
+  __rows: Rows;
+
+  static getType(): string {
+    return 'tablesheet';
+  }
+
+  static clone(node: TableNode): TableNode {
+    return new TableNode(Array.from(node.__rows), node.__key);
+  }
+
+  static importJSON(serializedNode: SerializedTableNode): TableNode {
+    return $createTableNode(serializedNode.rows);
+  }
+
+  exportJSON(): SerializedTableNode {
+    return {
+      rows: this.__rows,
+      type: 'tablesheet',
+      version: 1,
+    };
+  }
+
+  static importDOM(): DOMConversionMap | null {
+    return {
+      table: (_node: Node) => ({
+        conversion: convertTableElement,
+        priority: 0,
+      }),
+    };
+  }
+
+  exportDOM(): DOMExportOutput {
+    return {element: exportTableCellsToHTML(this.__rows)};
+  }
+
+  constructor(rows?: Rows, key?: NodeKey) {
+    super(key);
+    this.__rows = rows || [];
+  }
+
+  createDOM(): HTMLElement {
+    const div = document.createElement('div');
+    div.style.display = 'contents';
+    return div;
+  }
+
+  updateDOM(): false {
+    return false;
+  }
+
+  mergeRows(startX: number, startY: number, mergeRows: Rows): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    const endY = Math.min(rows.length, startY + mergeRows.length);
+    for (let y = startY; y < endY; y++) {
+      const row = rows[y];
+      const mergeRow = mergeRows[y - startY];
+      const cells = row.cells;
+      const cellsClone = Array.from(cells);
+      const rowClone = {...row, cells: cellsClone};
+      const mergeCells = mergeRow.cells;
+      const endX = Math.min(cells.length, startX + mergeCells.length);
+      for (let x = startX; x < endX; x++) {
+        const cell = cells[x];
+        const mergeCell = mergeCells[x - startX];
+        const cellClone = {...cell, json: mergeCell.json, type: mergeCell.type};
+        cellsClone[x] = cellClone;
+      }
+      rows[y] = rowClone;
+    }
+  }
+
+  updateCellJSON(x: number, y: number, json: string): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    const row = rows[y];
+    const cells = row.cells;
+    const cell = cells[x];
+    const cellsClone = Array.from(cells);
+    const cellClone = {...cell, json};
+    const rowClone = {...row, cells: cellsClone};
+    cellsClone[x] = cellClone;
+    rows[y] = rowClone;
+  }
+
+  updateCellType(x: number, y: number, type: 'header' | 'normal'): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    const row = rows[y];
+    const cells = row.cells;
+    const cell = cells[x];
+    const cellsClone = Array.from(cells);
+    const cellClone = {...cell, type};
+    const rowClone = {...row, cells: cellsClone};
+    cellsClone[x] = cellClone;
+    rows[y] = rowClone;
+  }
+
+  insertColumnAt(x: number): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    for (let y = 0; y < rows.length; y++) {
+      const row = rows[y];
+      const cells = row.cells;
+      const cellsClone = Array.from(cells);
+      const rowClone = {...row, cells: cellsClone};
+      const type = (cells[x] || cells[x - 1]).type;
+      cellsClone.splice(x, 0, createCell(type));
+      rows[y] = rowClone;
+    }
+  }
+
+  deleteColumnAt(x: number): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    for (let y = 0; y < rows.length; y++) {
+      const row = rows[y];
+      const cells = row.cells;
+      const cellsClone = Array.from(cells);
+      const rowClone = {...row, cells: cellsClone};
+      cellsClone.splice(x, 1);
+      rows[y] = rowClone;
+    }
+  }
+
+  addColumns(count: number): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    for (let y = 0; y < rows.length; y++) {
+      const row = rows[y];
+      const cells = row.cells;
+      const cellsClone = Array.from(cells);
+      const rowClone = {...row, cells: cellsClone};
+      const type = cells[cells.length - 1].type;
+      for (let x = 0; x < count; x++) {
+        cellsClone.push(createCell(type));
+      }
+      rows[y] = rowClone;
+    }
+  }
+
+  insertRowAt(y: number): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    const prevRow = rows[y] || rows[y - 1];
+    const cellCount = prevRow.cells.length;
+    const row = createRow();
+    for (let x = 0; x < cellCount; x++) {
+      const cell = createCell(prevRow.cells[x].type);
+      row.cells.push(cell);
+    }
+    rows.splice(y, 0, row);
+  }
+
+  deleteRowAt(y: number): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    rows.splice(y, 1);
+  }
+
+  addRows(count: number): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    const prevRow = rows[rows.length - 1];
+    const cellCount = prevRow.cells.length;
+
+    for (let y = 0; y < count; y++) {
+      const row = createRow();
+      for (let x = 0; x < cellCount; x++) {
+        const cell = createCell(prevRow.cells[x].type);
+        row.cells.push(cell);
+      }
+      rows.push(row);
+    }
+  }
+
+  updateColumnWidth(x: number, width: number): void {
+    const self = this.getWritable();
+    const rows = self.__rows;
+    for (let y = 0; y < rows.length; y++) {
+      const row = rows[y];
+      const cells = row.cells;
+      const cellsClone = Array.from(cells);
+      const rowClone = {...row, cells: cellsClone};
+      cellsClone[x].width = width;
+      rows[y] = rowClone;
+    }
+  }
+
+  decorate(_: LexicalEditor, config: EditorConfig): JSX.Element {
+    return (
+      <Suspense>
+        <TableComponent
+          nodeKey={this.__key}
+          theme={config.theme}
+          rows={this.__rows}
+        />
+      </Suspense>
+    );
+  }
+}
+
+export function $isTableNode(
+  node: LexicalNode | null | undefined,
+): node is TableNode {
+  return node instanceof TableNode;
+}
+
+export function $createTableNode(rows: Rows): TableNode {
+  return new TableNode(rows);
+}
+
+export function $createTableNodeWithDimensions(
+  rowCount: number,
+  columnCount: number,
+  includeHeaders = true,
+): TableNode {
+  const rows: Rows = [];
+  for (let y = 0; y < columnCount; y++) {
+    const row: Row = createRow();
+    rows.push(row);
+    for (let x = 0; x < rowCount; x++) {
+      row.cells.push(
+        createCell(
+          includeHeaders === true && (y === 0 || x === 0) ? 'header' : 'normal',
+        ),
+      );
+    }
+  }
+  return new TableNode(rows);
+}

packages/blocks-editor/src/Lexical/Nodes/TweetNode.tsx

@@ -0,0 +1,228 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import type {
+  DOMConversionMap,
+  DOMConversionOutput,
+  DOMExportOutput,
+  EditorConfig,
+  ElementFormatType,
+  LexicalEditor,
+  LexicalNode,
+  NodeKey,
+  Spread,
+} from 'lexical';
+
+import {BlockWithAlignableContents} from '@lexical/react/LexicalBlockWithAlignableContents';
+import {
+  DecoratorBlockNode,
+  SerializedDecoratorBlockNode,
+} from '@lexical/react/LexicalDecoratorBlockNode';
+import {useCallback, useEffect, useRef, useState} from 'react';
+
+const WIDGET_SCRIPT_URL = 'https://platform.twitter.com/widgets.js';
+
+type TweetComponentProps = Readonly<{
+  className: Readonly<{
+    base: string;
+    focus: string;
+  }>;
+  format: ElementFormatType | null;
+  loadingComponent?: JSX.Element | string;
+  nodeKey: NodeKey;
+  onError?: (error: string) => void;
+  onLoad?: () => void;
+  tweetID: string;
+}>;
+
+function convertTweetElement(
+  domNode: HTMLDivElement,
+): DOMConversionOutput | null {
+  const id = domNode.getAttribute('data-lexical-tweet-id');
+  if (id) {
+    const node = $createTweetNode(id);
+    return {node};
+  }
+  return null;
+}
+
+let isTwitterScriptLoading = true;
+
+function TweetComponent({
+  className,
+  format,
+  loadingComponent,
+  nodeKey,
+  onError,
+  onLoad,
+  tweetID,
+}: TweetComponentProps) {
+  const containerRef = useRef<HTMLDivElement | null>(null);
+
+  const previousTweetIDRef = useRef<string>('');
+  const [isTweetLoading, setIsTweetLoading] = useState(false);
+
+  const createTweet = useCallback(async () => {
+    try {
+      // @ts-expect-error Twitter is attached to the window.
+      await window.twttr.widgets.createTweet(tweetID, containerRef.current);
+
+      setIsTweetLoading(false);
+      isTwitterScriptLoading = false;
+
+      if (onLoad) {
+        onLoad();
+      }
+    } catch (error) {
+      if (onError) {
+        onError(String(error));
+      }
+    }
+  }, [onError, onLoad, tweetID]);
+
+  useEffect(() => {
+    if (tweetID !== previousTweetIDRef.current) {
+      setIsTweetLoading(true);
+
+      if (isTwitterScriptLoading) {
+        const script = document.createElement('script');
+        script.src = WIDGET_SCRIPT_URL;
+        script.async = true;
+        document.body?.appendChild(script);
+        script.onload = createTweet;
+        if (onError) {
+          script.onerror = onError as OnErrorEventHandler;
+        }
+      } else {
+        createTweet();
+      }
+
+      if (previousTweetIDRef) {
+        previousTweetIDRef.current = tweetID;
+      }
+    }
+  }, [createTweet, onError, tweetID]);
+
+  return (
+    <BlockWithAlignableContents
+      className={className}
+      format={format}
+      nodeKey={nodeKey}>
+      {isTweetLoading ? loadingComponent : null}
+      <div
+        style={{display: 'inline-block', width: '550px'}}
+        ref={containerRef}
+      />
+    </BlockWithAlignableContents>
+  );
+}
+
+export type SerializedTweetNode = Spread<
+  {
+    id: string;
+    type: 'tweet';
+    version: 1;
+  },
+  SerializedDecoratorBlockNode
+>;
+
+export class TweetNode extends DecoratorBlockNode {
+  __id: string;
+
+  static getType(): string {
+    return 'tweet';
+  }
+
+  static clone(node: TweetNode): TweetNode {
+    return new TweetNode(node.__id, node.__format, node.__key);
+  }
+
+  static importJSON(serializedNode: SerializedTweetNode): TweetNode {
+    const node = $createTweetNode(serializedNode.id);
+    node.setFormat(serializedNode.format);
+    return node;
+  }
+
+  exportJSON(): SerializedTweetNode {
+    return {
+      ...super.exportJSON(),
+      id: this.getId(),
+      type: 'tweet',
+      version: 1,
+    };
+  }
+
+  static importDOM(): DOMConversionMap<HTMLDivElement> | null {
+    return {
+      div: (domNode: HTMLDivElement) => {
+        if (!domNode.hasAttribute('data-lexical-tweet-id')) {
+          return null;
+        }
+        return {
+          conversion: convertTweetElement,
+          priority: 2,
+        };
+      },
+    };
+  }
+
+  exportDOM(): DOMExportOutput {
+    const element = document.createElement('div');
+    element.setAttribute('data-lexical-tweet-id', this.__id);
+    const text = document.createTextNode(this.getTextContent());
+    element.append(text);
+    return {element};
+  }
+
+  constructor(id: string, format?: ElementFormatType, key?: NodeKey) {
+    super(format, key);
+    this.__id = id;
+  }
+
+  getId(): string {
+    return this.__id;
+  }
+
+  getTextContent(
+    _includeInert?: boolean | undefined,
+    _includeDirectionless?: false | undefined,
+  ): string {
+    return `https://twitter.com/i/web/status/${this.__id}`;
+  }
+
+  decorate(editor: LexicalEditor, config: EditorConfig): JSX.Element {
+    const embedBlockTheme = config.theme.embedBlock || {};
+    const className = {
+      base: embedBlockTheme.base || '',
+      focus: embedBlockTheme.focus || '',
+    };
+    return (
+      <TweetComponent
+        className={className}
+        format={this.__format}
+        loadingComponent="Loading..."
+        nodeKey={this.getKey()}
+        tweetID={this.__id}
+      />
+    );
+  }
+
+  isInline(): false {
+    return false;
+  }
+}
+
+export function $createTweetNode(tweetID: string): TweetNode {
+  return new TweetNode(tweetID);
+}
+
+export function $isTweetNode(
+  node: TweetNode | LexicalNode | null | undefined,
+): node is TweetNode {
+  return node instanceof TweetNode;
+}

packages/blocks-editor/src/Lexical/Nodes/YouTubeNode.tsx

@@ -0,0 +1,142 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import type {
+  EditorConfig,
+  ElementFormatType,
+  LexicalEditor,
+  LexicalNode,
+  NodeKey,
+  Spread,
+} from 'lexical';
+
+import {BlockWithAlignableContents} from '@lexical/react/LexicalBlockWithAlignableContents';
+import {
+  DecoratorBlockNode,
+  SerializedDecoratorBlockNode,
+} from '@lexical/react/LexicalDecoratorBlockNode';
+
+type YouTubeComponentProps = Readonly<{
+  className: Readonly<{
+    base: string;
+    focus: string;
+  }>;
+  format: ElementFormatType | null;
+  nodeKey: NodeKey;
+  videoID: string;
+}>;
+
+function YouTubeComponent({
+  className,
+  format,
+  nodeKey,
+  videoID,
+}: YouTubeComponentProps) {
+  return (
+    <BlockWithAlignableContents
+      className={className}
+      format={format}
+      nodeKey={nodeKey}>
+      <iframe
+        width="560"
+        height="315"
+        src={`https://www.youtube.com/embed/${videoID}`}
+        frameBorder="0"
+        allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+        allowFullScreen={true}
+        title="YouTube video"
+      />
+    </BlockWithAlignableContents>
+  );
+}
+
+export type SerializedYouTubeNode = Spread<
+  {
+    videoID: string;
+    type: 'youtube';
+    version: 1;
+  },
+  SerializedDecoratorBlockNode
+>;
+
+export class YouTubeNode extends DecoratorBlockNode {
+  __id: string;
+
+  static getType(): string {
+    return 'youtube';
+  }
+
+  static clone(node: YouTubeNode): YouTubeNode {
+    return new YouTubeNode(node.__id, node.__format, node.__key);
+  }
+
+  static importJSON(serializedNode: SerializedYouTubeNode): YouTubeNode {
+    const node = $createYouTubeNode(serializedNode.videoID);
+    node.setFormat(serializedNode.format);
+    return node;
+  }
+
+  exportJSON(): SerializedYouTubeNode {
+    return {
+      ...super.exportJSON(),
+      type: 'youtube',
+      version: 1,
+      videoID: this.__id,
+    };
+  }
+
+  constructor(id: string, format?: ElementFormatType, key?: NodeKey) {
+    super(format, key);
+    this.__id = id;
+  }
+
+  updateDOM(): false {
+    return false;
+  }
+
+  getId(): string {
+    return this.__id;
+  }
+
+  getTextContent(
+    _includeInert?: boolean | undefined,
+    _includeDirectionless?: false | undefined,
+  ): string {
+    return `https://www.youtube.com/watch?v=${this.__id}`;
+  }
+
+  decorate(_editor: LexicalEditor, config: EditorConfig): JSX.Element {
+    const embedBlockTheme = config.theme.embedBlock || {};
+    const className = {
+      base: embedBlockTheme.base || '',
+      focus: embedBlockTheme.focus || '',
+    };
+    return (
+      <YouTubeComponent
+        className={className}
+        format={this.__format}
+        nodeKey={this.getKey()}
+        videoID={this.__id}
+      />
+    );
+  }
+
+  isInline(): false {
+    return false;
+  }
+}
+
+export function $createYouTubeNode(videoID: string): YouTubeNode {
+  return new YouTubeNode(videoID);
+}
+
+export function $isYouTubeNode(
+  node: YouTubeNode | LexicalNode | null | undefined,
+): node is YouTubeNode {
+  return node instanceof YouTubeNode;
+}

packages/blocks-editor/src/Lexical/Plugins/AutoEmbedPlugin/index.tsx

@@ -0,0 +1,286 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import type {LexicalEditor} from 'lexical';
+
+import {
+  AutoEmbedOption,
+  EmbedConfig,
+  EmbedMatchResult,
+  LexicalAutoEmbedPlugin,
+  URL_MATCHER,
+} from '@lexical/react/LexicalAutoEmbedPlugin';
+import {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {useState} from 'react';
+import * as ReactDOM from 'react-dom';
+
+import useModal from '../../Hooks/useModal';
+import Button from '../../UI/Button';
+import {DialogActions} from '../../UI/Dialog';
+import {INSERT_TWEET_COMMAND} from '../TwitterPlugin';
+import {INSERT_YOUTUBE_COMMAND} from '../YouTubePlugin';
+
+interface PlaygroundEmbedConfig extends EmbedConfig {
+  // Human readable name of the embeded content e.g. Tweet or Google Map.
+  contentName: string;
+
+  // Icon for display.
+  icon?: JSX.Element;
+
+  // An example of a matching url https://twitter.com/jack/status/20
+  exampleUrl: string;
+
+  // For extra searching.
+  keywords: Array<string>;
+
+  // Embed a Figma Project.
+  description?: string;
+}
+
+export const YoutubeEmbedConfig: PlaygroundEmbedConfig = {
+  contentName: 'Youtube Video',
+
+  exampleUrl: 'https://www.youtube.com/watch?v=jNQXAC9IVRw',
+
+  // Icon for display.
+  icon: <i className="icon youtube" />,
+
+  insertNode: (editor: LexicalEditor, result: EmbedMatchResult) => {
+    editor.dispatchCommand(INSERT_YOUTUBE_COMMAND, result.id);
+  },
+
+  keywords: ['youtube', 'video'],
+
+  // Determine if a given URL is a match and return url data.
+  parseUrl: (url: string) => {
+    const match =
+      /^.*(youtu\.be\/|v\/|u\/\w\/|embed\/|watch\?v=|&v=)([^#&?]*).*/.exec(url);
+
+    const id = match ? (match?.[2].length === 11 ? match[2] : null) : null;
+
+    if (id != null) {
+      return {
+        id,
+        url,
+      };
+    }
+
+    return null;
+  },
+
+  type: 'youtube-video',
+};
+
+export const TwitterEmbedConfig: PlaygroundEmbedConfig = {
+  // e.g. Tweet or Google Map.
+  contentName: 'Tweet',
+
+  exampleUrl: 'https://twitter.com/jack/status/20',
+
+  // Icon for display.
+  icon: <i className="icon tweet" />,
+
+  // Create the Lexical embed node from the url data.
+  insertNode: (editor: LexicalEditor, result: EmbedMatchResult) => {
+    editor.dispatchCommand(INSERT_TWEET_COMMAND, result.id);
+  },
+
+  // For extra searching.
+  keywords: ['tweet', 'twitter'],
+
+  // Determine if a given URL is a match and return url data.
+  parseUrl: (text: string) => {
+    const match =
+      /^https:\/\/twitter\.com\/(#!\/)?(\w+)\/status(es)*\/(\d+)$/.exec(text);
+
+    if (match != null) {
+      return {
+        id: match[4],
+        url: match[0],
+      };
+    }
+
+    return null;
+  },
+
+  type: 'tweet',
+};
+
+export const EmbedConfigs = [TwitterEmbedConfig, YoutubeEmbedConfig];
+
+function AutoEmbedMenuItem({
+  index,
+  isSelected,
+  onClick,
+  onMouseEnter,
+  option,
+}: {
+  index: number;
+  isSelected: boolean;
+  onClick: () => void;
+  onMouseEnter: () => void;
+  option: AutoEmbedOption;
+}) {
+  let className = 'item';
+  if (isSelected) {
+    className += ' selected';
+  }
+  return (
+    <li
+      key={option.key}
+      tabIndex={-1}
+      className={className}
+      ref={option.setRefElement}
+      role="option"
+      aria-selected={isSelected}
+      id={'typeahead-item-' + index}
+      onMouseEnter={onMouseEnter}
+      onClick={onClick}>
+      <span className="text">{option.title}</span>
+    </li>
+  );
+}
+
+function AutoEmbedMenu({
+  options,
+  selectedItemIndex,
+  onOptionClick,
+  onOptionMouseEnter,
+}: {
+  selectedItemIndex: number | null;
+  onOptionClick: (option: AutoEmbedOption, index: number) => void;
+  onOptionMouseEnter: (index: number) => void;
+  options: Array<AutoEmbedOption>;
+}) {
+  return (
+    <div className="typeahead-popover">
+      <ul>
+        {options.map((option: AutoEmbedOption, i: number) => (
+          <AutoEmbedMenuItem
+            index={i}
+            isSelected={selectedItemIndex === i}
+            onClick={() => onOptionClick(option, i)}
+            onMouseEnter={() => onOptionMouseEnter(i)}
+            key={option.key}
+            option={option}
+          />
+        ))}
+      </ul>
+    </div>
+  );
+}
+
+export function AutoEmbedDialog({
+  embedConfig,
+  onClose,
+}: {
+  embedConfig: PlaygroundEmbedConfig;
+  onClose: () => void;
+}): JSX.Element {
+  const [text, setText] = useState('');
+  const [editor] = useLexicalComposerContext();
+
+  const urlMatch = URL_MATCHER.exec(text);
+  const embedResult =
+    text != null && urlMatch != null ? embedConfig.parseUrl(text) : null;
+
+  const onClick = () => {
+    if (embedResult != null) {
+      embedConfig.insertNode(editor, embedResult);
+      onClose();
+    }
+  };
+
+  return (
+    <div style={{width: '600px'}}>
+      <div className="Input__wrapper">
+        <input
+          type="text"
+          className="Input__input"
+          placeholder={embedConfig.exampleUrl}
+          value={text}
+          data-test-id={`${embedConfig.type}-embed-modal-url`}
+          onChange={(e) => {
+            setText(e.target.value);
+          }}
+        />
+      </div>
+      <DialogActions>
+        <Button
+          disabled={!embedResult}
+          onClick={onClick}
+          data-test-id={`${embedConfig.type}-embed-modal-submit-btn`}>
+          Embed
+        </Button>
+      </DialogActions>
+    </div>
+  );
+}
+
+export default function AutoEmbedPlugin(): JSX.Element {
+  const [modal, showModal] = useModal();
+
+  const openEmbedModal = (embedConfig: PlaygroundEmbedConfig) => {
+    showModal(`Embed ${embedConfig.contentName}`, (onClose) => (
+      <AutoEmbedDialog embedConfig={embedConfig} onClose={onClose} />
+    ));
+  };
+
+  const getMenuOptions = (
+    activeEmbedConfig: PlaygroundEmbedConfig,
+    embedFn: () => void,
+    dismissFn: () => void,
+  ) => {
+    return [
+      new AutoEmbedOption('Dismiss', {
+        onSelect: dismissFn,
+      }),
+      new AutoEmbedOption(`Embed ${activeEmbedConfig.contentName}`, {
+        onSelect: embedFn,
+      }),
+    ];
+  };
+
+  return (
+    <>
+      {modal}
+      <LexicalAutoEmbedPlugin<PlaygroundEmbedConfig>
+        embedConfigs={EmbedConfigs}
+        onOpenEmbedModalForConfig={openEmbedModal}
+        getMenuOptions={getMenuOptions}
+        menuRenderFn={(
+          anchorElementRef,
+          {selectedIndex, options, selectOptionAndCleanUp, setHighlightedIndex},
+        ) =>
+          anchorElementRef.current
+            ? ReactDOM.createPortal(
+                <div
+                  className="typeahead-popover auto-embed-menu"
+                  style={{
+                    marginLeft: anchorElementRef.current.style.width,
+                  }}>
+                  <AutoEmbedMenu
+                    options={options}
+                    selectedItemIndex={selectedIndex}
+                    onOptionClick={(option: AutoEmbedOption, index: number) => {
+                      setHighlightedIndex(index);
+                      selectOptionAndCleanUp(option);
+                    }}
+                    onOptionMouseEnter={(index: number) => {
+                      setHighlightedIndex(index);
+                    }}
+                  />
+                </div>,
+                anchorElementRef.current,
+              )
+            : null
+        }
+      />
+    </>
+  );
+}

packages/blocks-editor/src/Lexical/Plugins/CollapsiblePlugin/Collapsible.css

@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ *
+ */
+
+.Collapsible__container {
+  background: #fcfcfc;
+  border: 1px solid #eee;
+  border-radius: 10px;
+  margin-bottom: 8px;
+}
+
+.Collapsible__title {
+  cursor: pointer;
+  padding: 5px 5px 5px 20px;
+  position: relative;
+  font-weight: bold;
+  list-style: none;
+  outline: none;
+}
+
+.Collapsible__title::marker,
+.Collapsible__title::-webkit-details-marker {
+  display: none;
+}
+
+.Collapsible__title:before {
+  border-style: solid;
+  border-color: transparent;
+  border-width: 4px 6px 4px 6px;
+  border-left-color: #000;
+  display: block;
+  content: '';
+  position: absolute;
+  left: 7px;
+  top: 50%;
+  transform: translateY(-50%);
+}
+
+.Collapsible__container[open] .Collapsible__title:before {
+  border-color: transparent;
+  border-width: 6px 4px 0 4px;
+  border-top-color: #000;
+}
+
+.Collapsible__content {
+  padding: 0 5px 5px 20px;
+}
+
+.Collapsible__collapsed .Collapsible__content {
+  display: none;
+  user-select: none;
+}

packages/blocks-editor/src/Lexical/Plugins/CollapsiblePlugin/CollapsibleContainerNode.ts

@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import {
+  DOMConversionMap,
+  EditorConfig,
+  ElementNode,
+  LexicalNode,
+  NodeKey,
+  SerializedElementNode,
+  Spread,
+} from 'lexical';
+
+type SerializedCollapsibleContainerNode = Spread<
+  {
+    type: 'collapsible-container';
+    version: 1;
+  },
+  SerializedElementNode
+>;
+
+export class CollapsibleContainerNode extends ElementNode {
+  __open: boolean;
+
+  constructor(open: boolean, key?: NodeKey) {
+    super(key);
+    this.__open = open;
+  }
+
+  static getType(): string {
+    return 'collapsible-container';
+  }
+
+  static clone(node: CollapsibleContainerNode): CollapsibleContainerNode {
+    return new CollapsibleContainerNode(node.__open, node.__key);
+  }
+
+  createDOM(config: EditorConfig): HTMLElement {
+    const dom = document.createElement('details');
+    dom.classList.add('Collapsible__container');
+    dom.open = this.__open;
+    return dom;
+  }
+
+  updateDOM(
+    prevNode: CollapsibleContainerNode,
+    dom: HTMLDetailsElement,
+  ): boolean {
+    if (prevNode.__open !== this.__open) {
+      dom.open = this.__open;
+    }
+
+    return false;
+  }
+
+  static importDOM(): DOMConversionMap | null {
+    return {};
+  }
+
+  static importJSON(
+    serializedNode: SerializedCollapsibleContainerNode,
+  ): CollapsibleContainerNode {
+    const node = $createCollapsibleContainerNode();
+    return node;
+  }
+
+  exportJSON(): SerializedCollapsibleContainerNode {
+    return {
+      ...super.exportJSON(),
+      type: 'collapsible-container',
+      version: 1,
+    };
+  }
+
+  setOpen(open: boolean): void {
+    const writable = this.getWritable();
+    writable.__open = open;
+  }
+
+  getOpen(): boolean {
+    return this.__open;
+  }
+
+  toggleOpen(): void {
+    this.setOpen(!this.getOpen());
+  }
+}
+
+export function $createCollapsibleContainerNode(): CollapsibleContainerNode {
+  return new CollapsibleContainerNode(true);
+}
+
+export function $isCollapsibleContainerNode(
+  node: LexicalNode | null | undefined,
+): node is CollapsibleContainerNode {
+  return node instanceof CollapsibleContainerNode;
+}

packages/blocks-editor/src/Lexical/Plugins/CollapsiblePlugin/CollapsibleContentNode.ts

@@ -0,0 +1,76 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import {
+  DOMConversionMap,
+  EditorConfig,
+  ElementNode,
+  LexicalNode,
+  SerializedElementNode,
+  Spread,
+} from 'lexical';
+
+type SerializedCollapsibleContentNode = Spread<
+  {
+    type: 'collapsible-content';
+    version: 1;
+  },
+  SerializedElementNode
+>;
+
+export class CollapsibleContentNode extends ElementNode {
+  static getType(): string {
+    return 'collapsible-content';
+  }
+
+  static clone(node: CollapsibleContentNode): CollapsibleContentNode {
+    return new CollapsibleContentNode(node.__key);
+  }
+
+  createDOM(config: EditorConfig): HTMLElement {
+    const dom = document.createElement('div');
+    dom.classList.add('Collapsible__content');
+    return dom;
+  }
+
+  updateDOM(prevNode: CollapsibleContentNode, dom: HTMLElement): boolean {
+    return false;
+  }
+
+  static importDOM(): DOMConversionMap | null {
+    return {};
+  }
+
+  static importJSON(
+    serializedNode: SerializedCollapsibleContentNode,
+  ): CollapsibleContentNode {
+    return $createCollapsibleContentNode();
+  }
+
+  isShadowRoot(): boolean {
+    return true;
+  }
+
+  exportJSON(): SerializedCollapsibleContentNode {
+    return {
+      ...super.exportJSON(),
+      type: 'collapsible-content',
+      version: 1,
+    };
+  }
+}
+
+export function $createCollapsibleContentNode(): CollapsibleContentNode {
+  return new CollapsibleContentNode();
+}
+
+export function $isCollapsibleContentNode(
+  node: LexicalNode | null | undefined,
+): node is CollapsibleContentNode {
+  return node instanceof CollapsibleContentNode;
+}

packages/blocks-editor/src/Lexical/Plugins/CollapsiblePlugin/CollapsibleTitleNode.ts

@@ -0,0 +1,116 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import {
+  $createParagraphNode,
+  $isElementNode,
+  DOMConversionMap,
+  EditorConfig,
+  ElementNode,
+  LexicalEditor,
+  LexicalNode,
+  RangeSelection,
+  SerializedElementNode,
+  Spread,
+} from 'lexical';
+
+import {$isCollapsibleContainerNode} from './CollapsibleContainerNode';
+import {$isCollapsibleContentNode} from './CollapsibleContentNode';
+
+type SerializedCollapsibleTitleNode = Spread<
+  {
+    type: 'collapsible-title';
+    version: 1;
+  },
+  SerializedElementNode
+>;
+
+export class CollapsibleTitleNode extends ElementNode {
+  static getType(): string {
+    return 'collapsible-title';
+  }
+
+  static clone(node: CollapsibleTitleNode): CollapsibleTitleNode {
+    return new CollapsibleTitleNode(node.__key);
+  }
+
+  createDOM(config: EditorConfig, editor: LexicalEditor): HTMLElement {
+    const dom = document.createElement('summary');
+    dom.classList.add('Collapsible__title');
+    return dom;
+  }
+
+  updateDOM(prevNode: CollapsibleTitleNode, dom: HTMLElement): boolean {
+    return false;
+  }
+
+  static importDOM(): DOMConversionMap | null {
+    return {};
+  }
+
+  static importJSON(
+    serializedNode: SerializedCollapsibleTitleNode,
+  ): CollapsibleTitleNode {
+    return $createCollapsibleTitleNode();
+  }
+
+  exportJSON(): SerializedCollapsibleTitleNode {
+    return {
+      ...super.exportJSON(),
+      type: 'collapsible-title',
+      version: 1,
+    };
+  }
+
+  collapseAtStart(_selection: RangeSelection): boolean {
+    this.getParentOrThrow().insertBefore(this);
+    return true;
+  }
+
+  insertNewAfter(): ElementNode {
+    const containerNode = this.getParentOrThrow();
+
+    if (!$isCollapsibleContainerNode(containerNode)) {
+      throw new Error(
+        'CollapsibleTitleNode expects to be child of CollapsibleContainerNode',
+      );
+    }
+
+    if (containerNode.getOpen()) {
+      const contentNode = this.getNextSibling();
+      if (!$isCollapsibleContentNode(contentNode)) {
+        throw new Error(
+          'CollapsibleTitleNode expects to have CollapsibleContentNode sibling',
+        );
+      }
+
+      const firstChild = contentNode.getFirstChild();
+      if ($isElementNode(firstChild)) {
+        return firstChild;
+      } else {
+        const paragraph = $createParagraphNode();
+        contentNode.append(paragraph);
+        return paragraph;
+      }
+    } else {
+      const paragraph = $createParagraphNode();
+      containerNode.insertAfter(paragraph);
+      return paragraph;
+    }
+  }
+}
+
+export function $createCollapsibleTitleNode(): CollapsibleTitleNode {
+  return new CollapsibleTitleNode();
+}
+
+export function $isCollapsibleTitleNode(
+  node: LexicalNode | null | undefined,
+): node is CollapsibleTitleNode {
+  return node instanceof CollapsibleTitleNode;
+}

packages/blocks-editor/src/Lexical/Plugins/CollapsiblePlugin/index.ts

@@ -0,0 +1,236 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import './Collapsible.css';
+
+import {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {$findMatchingParent, mergeRegister} from '@lexical/utils';
+import {
+  $createParagraphNode,
+  $getNodeByKey,
+  $getPreviousSelection,
+  $getSelection,
+  $isElementNode,
+  $isRangeSelection,
+  $setSelection,
+  COMMAND_PRIORITY_EDITOR,
+  COMMAND_PRIORITY_LOW,
+  createCommand,
+  DELETE_CHARACTER_COMMAND,
+  INSERT_PARAGRAPH_COMMAND,
+  KEY_ARROW_DOWN_COMMAND,
+  NodeKey,
+} from 'lexical';
+import {useEffect} from 'react';
+
+import {
+  $createCollapsibleContainerNode,
+  $isCollapsibleContainerNode,
+  CollapsibleContainerNode,
+} from './CollapsibleContainerNode';
+import {
+  $createCollapsibleContentNode,
+  $isCollapsibleContentNode,
+  CollapsibleContentNode,
+} from './CollapsibleContentNode';
+import {
+  $createCollapsibleTitleNode,
+  $isCollapsibleTitleNode,
+  CollapsibleTitleNode,
+} from './CollapsibleTitleNode';
+
+export const INSERT_COLLAPSIBLE_COMMAND = createCommand<void>();
+export const TOGGLE_COLLAPSIBLE_COMMAND = createCommand<NodeKey>();
+
+export default function CollapsiblePlugin(): JSX.Element | null {
+  const [editor] = useLexicalComposerContext();
+  useEffect(() => {
+    if (
+      !editor.hasNodes([
+        CollapsibleContainerNode,
+        CollapsibleTitleNode,
+        CollapsibleContentNode,
+      ])
+    ) {
+      throw new Error(
+        'CollapsiblePlugin: CollapsibleContainerNode, CollapsibleTitleNode, or CollapsibleContentNode not registered on editor',
+      );
+    }
+
+    return mergeRegister(
+      // Structure enforcing transformers for each node type. In case nesting structure is not
+      // "Container > Title + Content" it'll unwrap nodes and convert it back
+      // to regular content.
+      editor.registerNodeTransform(CollapsibleContentNode, (node) => {
+        const parent = node.getParent();
+        if (!$isCollapsibleContainerNode(parent)) {
+          const children = node.getChildren();
+          for (const child of children) {
+            node.insertAfter(child);
+          }
+          node.remove();
+        }
+      }),
+      editor.registerNodeTransform(CollapsibleTitleNode, (node) => {
+        const parent = node.getParent();
+        if (!$isCollapsibleContainerNode(parent)) {
+          node.replace($createParagraphNode().append(...node.getChildren()));
+        }
+      }),
+      editor.registerNodeTransform(CollapsibleContainerNode, (node) => {
+        const children = node.getChildren();
+        if (
+          children.length !== 2 ||
+          !$isCollapsibleTitleNode(children[0]) ||
+          !$isCollapsibleContentNode(children[1])
+        ) {
+          for (const child of children) {
+            node.insertAfter(child);
+          }
+          node.remove();
+        }
+      }),
+      // This handles the case when container is collapsed and we delete its previous sibling
+      // into it, it would cause collapsed content deleted (since it's display: none, and selection
+      // swallows it when deletes single char). Instead we expand container, which is although
+      // not perfect, but avoids bigger problem
+      editor.registerCommand(
+        DELETE_CHARACTER_COMMAND,
+        () => {
+          const selection = $getSelection();
+          if (
+            !$isRangeSelection(selection) ||
+            !selection.isCollapsed() ||
+            selection.anchor.offset !== 0
+          ) {
+            return false;
+          }
+
+          const anchorNode = selection.anchor.getNode();
+          const topLevelElement = anchorNode.getTopLevelElement();
+          if (topLevelElement === null) {
+            return false;
+          }
+
+          const container = topLevelElement.getPreviousSibling();
+          if (!$isCollapsibleContainerNode(container) || container.getOpen()) {
+            return false;
+          }
+
+          container.setOpen(true);
+          return true;
+        },
+        COMMAND_PRIORITY_LOW,
+      ),
+      // When collapsible is the last child pressing down arrow will insert paragraph
+      // below it to allow adding more content. It's similar what $insertBlockNode
+      // (mainly for decorators), except it'll always be possible to continue adding
+      // new content even if trailing paragraph is accidentally deleted
+      editor.registerCommand(
+        KEY_ARROW_DOWN_COMMAND,
+        () => {
+          const selection = $getSelection();
+          if (!$isRangeSelection(selection) || !selection.isCollapsed()) {
+            return false;
+          }
+
+          const container = $findMatchingParent(
+            selection.anchor.getNode(),
+            $isCollapsibleContainerNode,
+          );
+
+          if (container === null) {
+            return false;
+          }
+
+          const parent = container.getParent();
+          if (parent !== null && parent.getLastChild() === container) {
+            parent.append($createParagraphNode());
+          }
+          return false;
+        },
+        COMMAND_PRIORITY_LOW,
+      ),
+      // Handling CMD+Enter to toggle collapsible element collapsed state
+      editor.registerCommand(
+        INSERT_PARAGRAPH_COMMAND,
+        () => {
+          // @ts-ignore
+          const windowEvent: KeyboardEvent | undefined = editor._window?.event;
+
+          if (
+            windowEvent &&
+            (windowEvent.ctrlKey || windowEvent.metaKey) &&
+            windowEvent.key === 'Enter'
+          ) {
+            const selection = $getPreviousSelection();
+            if ($isRangeSelection(selection) && selection.isCollapsed()) {
+              const parent = $findMatchingParent(
+                selection.anchor.getNode(),
+                (node) => $isElementNode(node) && !node.isInline(),
+              );
+
+              if ($isCollapsibleTitleNode(parent)) {
+                const container = parent.getParent();
+                if ($isCollapsibleContainerNode(container)) {
+                  container.toggleOpen();
+                  $setSelection(selection.clone());
+                  return true;
+                }
+              }
+            }
+          }
+
+          return false;
+        },
+        COMMAND_PRIORITY_LOW,
+      ),
+      editor.registerCommand(
+        INSERT_COLLAPSIBLE_COMMAND,
+        () => {
+          editor.update(() => {
+            const selection = $getSelection();
+
+            if (!$isRangeSelection(selection)) {
+              return;
+            }
+
+            const title = $createCollapsibleTitleNode();
+            const content = $createCollapsibleContentNode().append(
+              $createParagraphNode(),
+            );
+            const container = $createCollapsibleContainerNode().append(
+              title,
+              content,
+            );
+            selection.insertNodes([container]);
+            title.selectStart();
+          });
+
+          return true;
+        },
+        COMMAND_PRIORITY_EDITOR,
+      ),
+      editor.registerCommand(
+        TOGGLE_COLLAPSIBLE_COMMAND,
+        (key: NodeKey) => {
+          editor.update(() => {
+            const containerNode = $getNodeByKey(key);
+            if ($isCollapsibleContainerNode(containerNode)) {
+              containerNode.toggleOpen();
+            }
+          });
+
+          return true;
+        },
+        COMMAND_PRIORITY_EDITOR,
+      ),
+    );
+  }, [editor]);
+  return null;
+}

packages/blocks-editor/src/Lexical/Plugins/ComponentPickerPlugin/index.tsx

@@ -0,0 +1,357 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+import {$createCodeNode} from '@lexical/code';
+import {
+  INSERT_CHECK_LIST_COMMAND,
+  INSERT_ORDERED_LIST_COMMAND,
+  INSERT_UNORDERED_LIST_COMMAND,
+} from '@lexical/list';
+import {INSERT_EMBED_COMMAND} from '@lexical/react/LexicalAutoEmbedPlugin';
+import {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {INSERT_HORIZONTAL_RULE_COMMAND} from '@lexical/react/LexicalHorizontalRuleNode';
+import {
+  LexicalTypeaheadMenuPlugin,
+  TypeaheadOption,
+  useBasicTypeaheadTriggerMatch,
+} from '@lexical/react/LexicalTypeaheadMenuPlugin';
+import {$createHeadingNode, $createQuoteNode} from '@lexical/rich-text';
+import {$wrapNodes} from '@lexical/selection';
+import {INSERT_TABLE_COMMAND} from '@lexical/table';
+import {
+  $createParagraphNode,
+  $getSelection,
+  $isRangeSelection,
+  FORMAT_ELEMENT_COMMAND,
+  TextNode,
+} from 'lexical';
+import {useCallback, useMemo, useState} from 'react';
+import * as ReactDOM from 'react-dom';
+
+import useModal from '../../Hooks/useModal';
+import {EmbedConfigs} from '../AutoEmbedPlugin';
+import {INSERT_COLLAPSIBLE_COMMAND} from '../CollapsiblePlugin';
+import {InsertTableDialog} from '../TablePlugin';
+
+class ComponentPickerOption extends TypeaheadOption {
+  // What shows up in the editor
+  title: string;
+  // Icon for display
+  icon?: JSX.Element;
+  // For extra searching.
+  keywords: Array<string>;
+  // TBD
+  keyboardShortcut?: string;
+  // What happens when you select this option?
+  onSelect: (queryString: string) => void;
+
+  constructor(
+    title: string,
+    options: {
+      icon?: JSX.Element;
+      keywords?: Array<string>;
+      keyboardShortcut?: string;
+      onSelect: (queryString: string) => void;
+    },
+  ) {
+    super(title);
+    this.title = title;
+    this.keywords = options.keywords || [];
+    this.icon = options.icon;
+    this.keyboardShortcut = options.keyboardShortcut;
+    this.onSelect = options.onSelect.bind(this);
+  }
+}
+
+function ComponentPickerMenuItem({
+  index,
+  isSelected,
+  onClick,
+  onMouseEnter,
+  option,
+}: {
+  index: number;
+  isSelected: boolean;
+  onClick: () => void;
+  onMouseEnter: () => void;
+  option: ComponentPickerOption;
+}) {
+  let className = 'item';
+  if (isSelected) {
+    className += ' selected';
+  }
+  return (
+    <li
+      key={option.key}
+      tabIndex={-1}
+      className={className}
+      ref={option.setRefElement}
+      role="option"
+      aria-selected={isSelected}
+      id={'typeahead-item-' + index}
+      onMouseEnter={onMouseEnter}
+      onClick={onClick}>
+      {option.icon}
+      <span className="text">{option.title}</span>
+    </li>
+  );
+}
+
+export default function ComponentPickerMenuPlugin(): JSX.Element {
+  const [editor] = useLexicalComposerContext();
+  const [modal, showModal] = useModal();
+  const [queryString, setQueryString] = useState<string | null>(null);
+
+  const checkForTriggerMatch = useBasicTypeaheadTriggerMatch('/', {
+    minLength: 0,
+  });
+
+  const getDynamicOptions = useCallback(() => {
+    const options: Array<ComponentPickerOption> = [];
+
+    if (queryString == null) {
+      return options;
+    }
+
+    const fullTableRegex = new RegExp(/^([1-9]|10)x([1-9]|10)$/);
+    const partialTableRegex = new RegExp(/^([1-9]|10)x?$/);
+
+    const fullTableMatch = fullTableRegex.exec(queryString);
+    const partialTableMatch = partialTableRegex.exec(queryString);
+
+    if (fullTableMatch) {
+      const [rows, columns] = fullTableMatch[0]
+        .split('x')
+        .map((n: string) => parseInt(n, 10));
+
+      options.push(
+        new ComponentPickerOption(`${rows}x${columns} Table`, {
+          icon: <i className="icon table" />,
+          keywords: ['table'],
+          onSelect: () =>
+            // @ts-ignore Correct types, but since they're dynamic TS doesn't like it.
+            editor.dispatchCommand(INSERT_TABLE_COMMAND, {columns, rows}),
+        }),
+      );
+    } else if (partialTableMatch) {
+      const rows = parseInt(partialTableMatch[0], 10);
+
+      options.push(
+        ...Array.from({length: 5}, (_, i) => i + 1).map(
+          (columns) =>
+            new ComponentPickerOption(`${rows}x${columns} Table`, {
+              icon: <i className="icon table" />,
+              keywords: ['table'],
+              onSelect: () =>
+                // @ts-ignore Correct types, but since they're dynamic TS doesn't like it.
+                editor.dispatchCommand(INSERT_TABLE_COMMAND, {columns, rows}),
+            }),
+        ),
+      );
+    }
+
+    return options;
+  }, [editor, queryString]);
+
+  const options = useMemo(() => {
+    const baseOptions = [
+      new ComponentPickerOption('Paragraph', {
+        icon: <i className="icon paragraph" />,
+        keywords: ['normal', 'paragraph', 'p', 'text'],
+        onSelect: () =>
+          editor.update(() => {
+            const selection = $getSelection();
+            if ($isRangeSelection(selection)) {
+              $wrapNodes(selection, () => $createParagraphNode());
+            }
+          }),
+      }),
+      ...Array.from({length: 3}, (_, i) => i + 1).map(
+        (n) =>
+          new ComponentPickerOption(`Heading ${n}`, {
+            icon: <i className={`icon h${n}`} />,
+            keywords: ['heading', 'header', `h${n}`],
+            onSelect: () =>
+              editor.update(() => {
+                const selection = $getSelection();
+                if ($isRangeSelection(selection)) {
+                  $wrapNodes(selection, () =>
+                    // @ts-ignore Correct types, but since they're dynamic TS doesn't like it.
+                    $createHeadingNode(`h${n}`),
+                  );
+                }
+              }),
+          }),
+      ),
+      new ComponentPickerOption('Table', {
+        icon: <i className="icon table" />,
+        keywords: ['table', 'grid', 'spreadsheet', 'rows', 'columns'],
+        onSelect: () =>
+          showModal('Insert Table', (onClose) => (
+            <InsertTableDialog activeEditor={editor} onClose={onClose} />
+          )),
+      }),
+      new ComponentPickerOption('Numbered List', {
+        icon: <i className="icon number" />,
+        keywords: ['numbered list', 'ordered list', 'ol'],
+        onSelect: () =>
+          editor.dispatchCommand(INSERT_ORDERED_LIST_COMMAND, undefined),
+      }),
+      new ComponentPickerOption('Bulleted List', {
+        icon: <i className="icon bullet" />,
+        keywords: ['bulleted list', 'unordered list', 'ul'],
+        onSelect: () =>
+          editor.dispatchCommand(INSERT_UNORDERED_LIST_COMMAND, undefined),
+      }),
+      new ComponentPickerOption('Check List', {
+        icon: <i className="icon check" />,
+        keywords: ['check list', 'todo list'],
+        onSelect: () =>
+          editor.dispatchCommand(INSERT_CHECK_LIST_COMMAND, undefined),
+      }),
+      new ComponentPickerOption('Quote', {
+        icon: <i className="icon quote" />,
+        keywords: ['block quote'],
+        onSelect: () =>
+          editor.update(() => {
+            const selection = $getSelection();
+            if ($isRangeSelection(selection)) {
+              $wrapNodes(selection, () => $createQuoteNode());
+            }
+          }),
+      }),
+      new ComponentPickerOption('Code', {
+        icon: <i className="icon code" />,
+        keywords: ['javascript', 'python', 'js', 'codeblock'],
+        onSelect: () =>
+          editor.update(() => {
+            const selection = $getSelection();
+
+            if ($isRangeSelection(selection)) {
+              if (selection.isCollapsed()) {
+                $wrapNodes(selection, () => $createCodeNode());
+              } else {
+                // Will this ever happen?
+                const textContent = selection.getTextContent();
+                const codeNode = $createCodeNode();
+                selection.insertNodes([codeNode]);
+                selection.insertRawText(textContent);
+              }
+            }
+          }),
+      }),
+      new ComponentPickerOption('Divider', {
+        icon: <i className="icon horizontal-rule" />,
+        keywords: ['horizontal rule', 'divider', 'hr'],
+        onSelect: () =>
+          editor.dispatchCommand(INSERT_HORIZONTAL_RULE_COMMAND, undefined),
+      }),
+      ...EmbedConfigs.map(
+        (embedConfig) =>
+          new ComponentPickerOption(`Embed ${embedConfig.contentName}`, {
+            icon: embedConfig.icon,
+            keywords: [...embedConfig.keywords, 'embed'],
+            onSelect: () =>
+              editor.dispatchCommand(INSERT_EMBED_COMMAND, embedConfig.type),
+          }),
+      ),
+
+      new ComponentPickerOption('Collapsible', {
+        icon: <i className="icon caret-right" />,
+        keywords: ['collapse', 'collapsible', 'toggle'],
+        onSelect: () =>
+          editor.dispatchCommand(INSERT_COLLAPSIBLE_COMMAND, undefined),
+      }),
+      ...['left', 'center', 'right', 'justify'].map(
+        (alignment) =>
+          new ComponentPickerOption(`Align ${alignment}`, {
+            icon: <i className={`icon ${alignment}-align`} />,
+            keywords: ['align', 'justify', alignment],
+            onSelect: () =>
+              // @ts-ignore Correct types, but since they're dynamic TS doesn't like it.
+              editor.dispatchCommand(FORMAT_ELEMENT_COMMAND, alignment),
+          }),
+      ),
+    ];
+
+    const dynamicOptions = getDynamicOptions();
+
+    return queryString
+      ? [
+          ...dynamicOptions,
+          ...baseOptions.filter((option) => {
+            return new RegExp(queryString, 'gi').exec(option.title) ||
+              option.keywords != null
+              ? option.keywords.some((keyword) =>
+                  new RegExp(queryString, 'gi').exec(keyword),
+                )
+              : false;
+          }),
+        ]
+      : baseOptions;
+  }, [editor, getDynamicOptions, queryString, showModal]);
+
+  const onSelectOption = useCallback(
+    (
+      selectedOption: ComponentPickerOption,
+      nodeToRemove: TextNode | null,
+      closeMenu: () => void,
+      matchingString: string,
+    ) => {
+      editor.update(() => {
+        if (nodeToRemove) {
+          nodeToRemove.remove();
+        }
+        selectedOption.onSelect(matchingString);
+        closeMenu();
+      });
+    },
+    [editor],
+  );
+
+  return (
+    <>
+      {modal}
+      <LexicalTypeaheadMenuPlugin<ComponentPickerOption>
+        onQueryChange={setQueryString}
+        onSelectOption={onSelectOption}
+        triggerFn={checkForTriggerMatch}
+        options={options}
+        menuRenderFn={(
+          anchorElementRef,
+          {selectedIndex, selectOptionAndCleanUp, setHighlightedIndex},
+        ) =>
+          anchorElementRef.current && options.length
+            ? ReactDOM.createPortal(
+                <div className="typeahead-popover component-picker-menu">
+                  <ul>
+                    {options.map((option, i: number) => (
+                      <ComponentPickerMenuItem
+                        index={i}
+                        isSelected={selectedIndex === i}
+                        onClick={() => {
+                          setHighlightedIndex(i);
+                          selectOptionAndCleanUp(option);
+                        }}
+                        onMouseEnter={() => {
+                          setHighlightedIndex(i);
+                        }}
+                        key={option.key}
+                        option={option}
+                      />
+                    ))}
+                  </ul>
+                </div>,
+                anchorElementRef.current,
+              )
+            : null
+        }
+      />
+    </>
+  );
+}