chore(release): publish

- @standardnotes/[email protected]
 - @standardnotes/[email protected]
 - @standardnotes/[email protected].4
 - @standardnotes/[email protected]
 - @standardnotes/[email protected].0

.eslintrc.json

@@ -1,7 +0,0 @@
-{
-  "extends": ["./node_modules/@standardnotes/config/src/.eslintrc"],
-  "rules": {
-    "max-classes-per-file": ["error", 1]
-  },
-  "ignorePatterns": [".eslintrc.js", "*.webpack.*.js", "webpack-defaults.js", "jest.config.js", "__mocks__", "**/**/coverage"]
-}

README.md

@@ -3,7 +3,7 @@
 Standard Notes is an end-to-end encrypted note-taking app for digitalists and professionals. Capture your notes, files, and life’s work all in one secure place.
 
 [![latest release version](https://img.shields.io/github/v/release/standardnotes/app)](https://github.com/standardnotes/app/releases)
-[![Slack](https://img.shields.io/badge/slack-standardnotes-CC2B5E.svg?style=flat&logo=slack)](https://standardnotes.com/slack)
+[![Discord](https://img.shields.io/badge/discord-standardnotes-CC2B5E.svg?style=flat&logo=discord)](https://standardnotes.com/discord)
 [![Twitter Follow](https://img.shields.io/badge/follow-%40standardnotes-blue.svg?style=flat&logo=twitter)](https://twitter.com/standardnotes)
 
 ### Why Standard Notes?
@@ -38,7 +38,6 @@ Join us on
 - [Discord](https://standardnotes.com/discord)
 - [Twitter](https://twitter.com/StandardNotes)
 - [Forum](https://forum.standardnotes.org)
-- [Slack](https://standardnotes.com/slack)
 
 Developers can create and publish their own extensions. Visit the [documentation hub](https://docs.standardnotes.com/) to learn more.
 

common.eslintrc.js

@@ -0,0 +1,60 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'],
+  parserOptions: {
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+  plugins: ['@typescript-eslint', 'prettier'],
+  ignorePatterns: ['**/*.spec.ts'],
+  rules: {
+    'standard/no-callback-literal': 0, // Disable this as we have too many callbacks relying on literals
+    'no-throw-literal': 0,
+    camelcase: 'off',
+    'sort-imports': 'off',
+    'eol-last': 'error',
+    'no-multiple-empty-lines': ['error', { max: 1, maxEOF: 0 }],
+    'no-trailing-spaces': 'error',
+    '@typescript-eslint/no-explicit-any': 'warn',
+    '@typescript-eslint/no-unused-vars': [
+      'error',
+      {
+        vars: 'all',
+        args: 'after-used',
+        ignoreRestSiblings: false,
+        argsIgnorePattern: '^_',
+        varsIgnorePattern: '^_',
+      },
+    ],
+    '@typescript-eslint/no-floating-promises': ['error'],
+    'block-scoped-var': 'error',
+    'comma-dangle': ['error', 'always-multiline'],
+    curly: ['error', 'all'],
+    'no-confusing-arrow': 'error',
+    'no-inline-comments': 'warn',
+    'no-invalid-this': 'error',
+    'no-return-assign': 'warn',
+    'no-constructor-return': 'error',
+    'no-duplicate-imports': 'error',
+    'no-self-compare': 'error',
+    'no-console': ['warn', { allow: ['warn', 'error'] }],
+    'no-unmodified-loop-condition': 'error',
+    'no-unused-private-class-members': 'error',
+    'object-curly-spacing': ['error', 'always'],
+    quotes: ['error', 'single', { avoidEscape: true }],
+    semi: ['error', 'never'],
+    'prettier/prettier': [
+      'error',
+      {
+        singleQuote: true,
+        trailingComma: 'all',
+        printWidth: 120,
+        semi: false,
+      },
+      {
+        usePrettierrc: false,
+      },
+    ],
+  },
+}

linter.tsconfig.json

@@ -1,4 +0,0 @@
-{
-  "exclude": ["node_modules"],
-  "extends": "./node_modules/@standardnotes/config/src/linter.tsconfig.json"
-}

packages/api/.eslintignore

@@ -1,3 +0,0 @@
-node_modules
-dist
-coverage

packages/api/.eslintrc

@@ -1,6 +0,0 @@
-{
-  "extends": "../../.eslintrc",
-  "parserOptions": {
-    "project": "./linter.tsconfig.json"
-  }
-}

packages/api/.eslintrc.js

@@ -0,0 +1,9 @@
+module.exports = {
+  root: true,
+  extends: ['../../common.eslintrc.js'],
+  parserOptions: {
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+  ignorePatterns: ['**/*.spec.ts'],
+}

packages/api/CHANGELOG.md

@@ -3,6 +3,38 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [1.20.1](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-14)
+
+**Note:** Version bump only for package @standardnotes/api
+
+# [1.20.0](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-13)
+
+### Features
+
+* iap ([#1996](https://github.com/standardnotes/app/issues/1996)) ([d519aca](https://github.com/standardnotes/app/commit/d519aca685b32f4b6f7079ba9562ecaf1a18aecb))
+
+## [1.19.9](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-09)
+
+### Bug Fixes
+
+* load blocking by network await ([#1989](https://github.com/standardnotes/app/issues/1989)) ([3498130](https://github.com/standardnotes/app/commit/3498130bfb4e7ee9764e5c687844fd78bf909150))
+
+## [1.19.8](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-09)
+
+**Note:** Version bump only for package @standardnotes/api
+
+## [1.19.7](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-07)
+
+**Note:** Version bump only for package @standardnotes/api
+
+## [1.19.6](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-06)
+
+**Note:** Version bump only for package @standardnotes/api
+
+## [1.19.5](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-04)
+
+**Note:** Version bump only for package @standardnotes/api
+
 ## [1.19.4](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-04)
 
 **Note:** Version bump only for package @standardnotes/api

packages/api/linter.tsconfig.json

@@ -1,4 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "exclude": ["dist"]
-}

packages/api/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@standardnotes/api",
-  "version": "1.19.4",
+  "version": "1.20.1",
   "engines": {
     "node": ">=16.0.0 <17.0.0"
   },
@@ -21,8 +21,8 @@
     "start": "tsc -p tsconfig.json --watch",
     "prebuild": "yarn clean",
     "build": "tsc -p tsconfig.json",
-    "lint": "eslint . --ext .ts",
-    "lint:fix": "eslint . --ext .ts --fix",
+    "lint": "eslint src --ext .ts",
+    "lint:fix": "eslint src --ext .ts --fix",
     "test": "jest spec --coverage"
   },
   "devDependencies": {

packages/api/src/Domain/Client/Subscription/SubscriptionApiOperations.ts

@@ -3,4 +3,5 @@ export enum SubscriptionApiOperations {
   CancelingInvite,
   ListingInvites,
   AcceptingInvite,
+  ConfirmAppleIAP,
 }

packages/api/src/Domain/Client/Subscription/SubscriptionApiService.ts

@@ -11,6 +11,8 @@ import { SubscriptionInviteAcceptResponse } from '../../Response/Subscription/Su
 import { SubscriptionApiServiceInterface } from './SubscriptionApiServiceInterface'
 import { SubscriptionApiOperations } from './SubscriptionApiOperations'
 import { Uuid } from '@standardnotes/common'
+import { AppleIAPConfirmResponse } from './../../Response/Subscription/AppleIAPConfirmResponse'
+import { AppleIAPConfirmRequestParams } from '../../Request'
 
 export class SubscriptionApiService implements SubscriptionApiServiceInterface {
   private operationsInProgress: Map<SubscriptionApiOperations, boolean>
@@ -31,11 +33,11 @@ export class SubscriptionApiService implements SubscriptionApiServiceInterface {
         [ApiEndpointParam.ApiVersion]: ApiVersion.v0,
       })
 
-      this.operationsInProgress.set(SubscriptionApiOperations.ListingInvites, false)
-
       return response
     } catch (error) {
       throw new ApiCallError(ErrorMessage.GenericFail)
+    } finally {
+      this.operationsInProgress.set(SubscriptionApiOperations.ListingInvites, false)
     }
   }
 
@@ -52,11 +54,11 @@ export class SubscriptionApiService implements SubscriptionApiServiceInterface {
         inviteUuid,
       })
 
-      this.operationsInProgress.set(SubscriptionApiOperations.CancelingInvite, false)
-
       return response
     } catch (error) {
       throw new ApiCallError(ErrorMessage.GenericFail)
+    } finally {
+      this.operationsInProgress.set(SubscriptionApiOperations.CancelingInvite, false)
     }
   }
 
@@ -73,11 +75,11 @@ export class SubscriptionApiService implements SubscriptionApiServiceInterface {
         identifier: inviteeEmail,
       })
 
-      this.operationsInProgress.set(SubscriptionApiOperations.Inviting, false)
-
       return response
     } catch (error) {
       throw new ApiCallError(ErrorMessage.GenericFail)
+    } finally {
+      this.operationsInProgress.set(SubscriptionApiOperations.Inviting, false)
     }
   }
 
@@ -93,11 +95,27 @@ export class SubscriptionApiService implements SubscriptionApiServiceInterface {
         inviteUuid,
       })
 
-      this.operationsInProgress.set(SubscriptionApiOperations.AcceptingInvite, false)
-
       return response
     } catch (error) {
       throw new ApiCallError(ErrorMessage.GenericFail)
+    } finally {
+      this.operationsInProgress.set(SubscriptionApiOperations.AcceptingInvite, false)
+    }
+  }
+
+  async confirmAppleIAP(params: AppleIAPConfirmRequestParams): Promise<AppleIAPConfirmResponse> {
+    if (this.operationsInProgress.get(SubscriptionApiOperations.ConfirmAppleIAP)) {
+      throw new ApiCallError(ErrorMessage.GenericInProgress)
+    }
+
+    this.operationsInProgress.set(SubscriptionApiOperations.ConfirmAppleIAP, true)
+
+    try {
+      const response = await this.subscriptionServer.confirmAppleIAP(params)
+
+      return response
+    } finally {
+      this.operationsInProgress.set(SubscriptionApiOperations.ConfirmAppleIAP, false)
     }
   }
 }

packages/api/src/Domain/Client/Subscription/SubscriptionApiServiceInterface.ts

@@ -1,5 +1,7 @@
 import { Uuid } from '@standardnotes/common'
 
+import { AppleIAPConfirmResponse } from './../../Response/Subscription/AppleIAPConfirmResponse'
+import { AppleIAPConfirmRequestParams } from '../../Request'
 import { SubscriptionInviteAcceptResponse } from '../../Response/Subscription/SubscriptionInviteAcceptResponse'
 import { SubscriptionInviteCancelResponse } from '../../Response/Subscription/SubscriptionInviteCancelResponse'
 import { SubscriptionInviteListResponse } from '../../Response/Subscription/SubscriptionInviteListResponse'
@@ -10,4 +12,5 @@ export interface SubscriptionApiServiceInterface {
   listInvites(): Promise<SubscriptionInviteListResponse>
   cancelInvite(inviteUuid: Uuid): Promise<SubscriptionInviteCancelResponse>
   acceptInvite(inviteUuid: Uuid): Promise<SubscriptionInviteAcceptResponse>
+  confirmAppleIAP(params: AppleIAPConfirmRequestParams): Promise<AppleIAPConfirmResponse>
 }

packages/api/src/Domain/Http/HttpService.spec.ts

@@ -10,7 +10,11 @@ describe('HttpService', () => {
   const host = 'http://bar'
   let updateMetaCallback: (meta: HttpResponseMeta) => void
 
-  const createService = () => new HttpService(environment, appVersion, snjsVersion, host, updateMetaCallback)
+  const createService = () => {
+    const service = new HttpService(environment, appVersion, snjsVersion, updateMetaCallback)
+    service.setHost(host)
+    return service
+  }
 
   beforeEach(() => {
     updateMetaCallback = jest.fn()

packages/api/src/Domain/Http/HttpService.ts

@@ -1,4 +1,4 @@
-import { isString, joinPaths } from '@standardnotes/utils'
+import { isString, joinPaths, sleep } from '@standardnotes/utils'
 import { Environment } from '@standardnotes/models'
 import { HttpRequestParams } from './HttpRequestParams'
 import { HttpVerb } from './HttpVerb'
@@ -13,12 +13,13 @@ import { HttpErrorResponseBody } from './HttpErrorResponseBody'
 
 export class HttpService implements HttpServiceInterface {
   private authorizationToken?: string
+  private __latencySimulatorMs?: number
+  private host!: string
 
   constructor(
     private environment: Environment,
     private appVersion: string,
     private snjsVersion: string,
-    private host: string,
     private updateMetaCallback: (meta: HttpResponseMeta) => void,
   ) {}
 
@@ -78,6 +79,10 @@ export class HttpService implements HttpServiceInterface {
   private async runHttp(httpRequest: HttpRequest): Promise<HttpResponse> {
     const request = this.createXmlRequest(httpRequest)
 
+    if (this.__latencySimulatorMs) {
+      await sleep(this.__latencySimulatorMs, true)
+    }
+
     const response = await this.runRequest(request, this.createRequestBody(httpRequest))
 
     if (response.meta) {

packages/api/src/Domain/Request/Subscription/AppleIAPConfirmRequestParams.ts

@@ -0,0 +1,7 @@
+export type AppleIAPConfirmRequestParams = {
+  productId: string
+  transactionId: string
+  transactionDate: string
+  transactionReceipt: string
+  subscription_token: string
+}

packages/api/src/Domain/Request/index.ts

@@ -1,4 +1,5 @@
 export * from './ApiEndpointParam'
+export * from './Subscription/AppleIAPConfirmRequestParams'
 export * from './Subscription/SubscriptionInviteAcceptRequestParams'
 export * from './Subscription/SubscriptionInviteCancelRequestParams'
 export * from './Subscription/SubscriptionInviteDeclineRequestParams'

packages/api/src/Domain/Response/Subscription/AppleIAPConfirmResponse.ts

@@ -0,0 +1,9 @@
+import { Either } from '@standardnotes/common'
+
+import { HttpErrorResponseBody } from '../../Http/HttpErrorResponseBody'
+import { HttpResponse } from '../../Http/HttpResponse'
+import { AppleIAPConfirmResponseBody } from './AppleIAPConfirmResponseBody'
+
+export interface AppleIAPConfirmResponse extends HttpResponse {
+  data: Either<AppleIAPConfirmResponseBody, HttpErrorResponseBody>
+}

packages/api/src/Domain/Response/Subscription/AppleIAPConfirmResponseBody.ts

@@ -0,0 +1 @@
+export type AppleIAPConfirmResponseBody = { success: true } | { success: false; message: string }

packages/api/src/Domain/Response/index.ts

@@ -1,3 +1,5 @@
+export * from './Subscription/AppleIAPConfirmResponse'
+export * from './Subscription/AppleIAPConfirmResponseBody'
 export * from './Subscription/SubscriptionInviteAcceptResponse'
 export * from './Subscription/SubscriptionInviteAcceptResponseBody'
 export * from './Subscription/SubscriptionInviteCancelResponse'

packages/api/src/Domain/Server/Subscription/Paths.ts

@@ -8,8 +8,13 @@ const SharingPaths = {
   listInvites: '/v1/subscription-invites',
 }
 
+const ApplePaths = {
+  confirmAppleIAP: '/v1/subscriptions/apple_iap_confirm',
+}
+
 export const Paths = {
   v1: {
     ...SharingPaths,
+    ...ApplePaths,
   },
 }

packages/api/src/Domain/Server/Subscription/SubscriptionServer.ts

@@ -1,4 +1,6 @@
+import { AppleIAPConfirmResponse } from './../../Response/Subscription/AppleIAPConfirmResponse'
 import { HttpServiceInterface } from '../../Http/HttpServiceInterface'
+import { AppleIAPConfirmRequestParams } from '../../Request'
 import { SubscriptionInviteAcceptRequestParams } from '../../Request/Subscription/SubscriptionInviteAcceptRequestParams'
 import { SubscriptionInviteCancelRequestParams } from '../../Request/Subscription/SubscriptionInviteCancelRequestParams'
 import { SubscriptionInviteDeclineRequestParams } from '../../Request/Subscription/SubscriptionInviteDeclineRequestParams'
@@ -45,4 +47,10 @@ export class SubscriptionServer implements SubscriptionServerInterface {
 
     return response as SubscriptionInviteResponse
   }
+
+  async confirmAppleIAP(params: AppleIAPConfirmRequestParams): Promise<AppleIAPConfirmResponse> {
+    const response = await this.httpService.post(Paths.v1.confirmAppleIAP, params)
+
+    return response as AppleIAPConfirmResponse
+  }
 }

packages/api/src/Domain/Server/Subscription/SubscriptionServerInterface.ts

@@ -1,3 +1,5 @@
+import { AppleIAPConfirmResponse } from './../../Response/Subscription/AppleIAPConfirmResponse'
+import { AppleIAPConfirmRequestParams } from './../../Request/Subscription/AppleIAPConfirmRequestParams'
 import { SubscriptionInviteAcceptRequestParams } from '../../Request/Subscription/SubscriptionInviteAcceptRequestParams'
 import { SubscriptionInviteCancelRequestParams } from '../../Request/Subscription/SubscriptionInviteCancelRequestParams'
 import { SubscriptionInviteDeclineRequestParams } from '../../Request/Subscription/SubscriptionInviteDeclineRequestParams'
@@ -15,4 +17,5 @@ export interface SubscriptionServerInterface {
   declineInvite(params: SubscriptionInviteDeclineRequestParams): Promise<SubscriptionInviteDeclineResponse>
   cancelInvite(params: SubscriptionInviteCancelRequestParams): Promise<SubscriptionInviteCancelResponse>
   listInvites(params: SubscriptionInviteListRequestParams): Promise<SubscriptionInviteListResponse>
+  confirmAppleIAP(params: AppleIAPConfirmRequestParams): Promise<AppleIAPConfirmResponse>
 }

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 +1,134 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
+
+## [1.4.1](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-11)
+
+### Bug Fixes
+
+* super improvements ([#1995](https://github.com/standardnotes/app/issues/1995)) ([da6f36f](https://github.com/standardnotes/app/commit/da6f36f34cdee324339d2c923d61191b373513f3))
+
+# [1.4.0](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-11)
+
+### Features
+
+* **dev:** insert current date and time command in super note ([#1994](https://github.com/standardnotes/app/issues/1994)) ([e27ac31](https://github.com/standardnotes/app/commit/e27ac3126ee4fec9e81df8722b6326ba6f38fe5e))
+
+## [1.3.11](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-10)
+
+### Bug Fixes
+
+* super note improvements ([#1991](https://github.com/standardnotes/app/issues/1991)) ([2dbc895](https://github.com/standardnotes/app/commit/2dbc89594ea2759c49bc318d5efd2b3a5ef3b22d))
+
+## [1.3.10](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-09)
+
+### Bug Fixes
+
+* link color ([ac4882b](https://github.com/standardnotes/app/commit/ac4882b357162f8737ac32ea9f55884276cc3011))
+
+### Reverts
+
+* Revert "refactor: include themes in components folder" ([3690104](https://github.com/standardnotes/app/commit/3690104934b444ca99eed86c1a41b22a3582811a))
+
+## [1.3.9](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-09)
+
+**Note:** Version bump only for package @standardnotes/blocks-editor
+
+## [1.3.8](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-08)
+
+**Note:** Version bump only for package @standardnotes/blocks-editor
+
+## 1.3.7 (2022-11-07)
+
+**Note:** Version bump only for package @standardnotes/blocks-editor
+
+## [1.3.6](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-11-04)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.5](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (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/[email protected]...@standardnotes/[email protected]) (2022-07-14)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.3](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-07-13)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.2](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-07-06)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.3.1](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (2022-06-28)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+# [1.3.0](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (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/[email protected]...@standardnotes/[email protected]) (2022-06-18)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.2.4-alpha.0](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (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/[email protected]...@standardnotes/[email protected]) (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/[email protected]...@standardnotes/[email protected]) (2022-06-14)
+
+**Note:** Version bump only for package @standardnotes/toast
+
+## [1.2.1-alpha.0](https://github.com/standardnotes/app/compare/@standardnotes/[email protected]...@standardnotes/[email protected]) (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": "1.4.1",
+  "private": true,
+  "main": "./src/index.ts",
+  "scripts": {
+    "start": "tsc -p tsconfig.json --watch"
+  },
+  "dependencies": {
+    "@lexical/react": "^0.6.0",
+    "@standardnotes/icons": "workspace:*",
+    "@types/react": "^18.0.20",
+    "@types/react-dom": "^18.0.6",
+    "lexical": "^0.6.0",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
+  },
+  "devDependencies": {
+    "eslint": "*",
+    "prettier": "*",
+    "typescript": "*"
+  }
+}

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

@@ -0,0 +1,139 @@
+import {FunctionComponent, useCallback, useState} from 'react';
+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 {$getRoot, EditorState, LexicalEditor} from 'lexical';
+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 DraggableBlockPlugin from '../Lexical/Plugins/DraggableBlockPlugin';
+import CodeHighlightPlugin from '../Lexical/Plugins/CodeHighlightPlugin';
+import FloatingTextFormatToolbarPlugin from '../Lexical/Plugins/FloatingTextFormatToolbarPlugin';
+import FloatingLinkEditorPlugin from '../Lexical/Plugins/FloatingLinkEditorPlugin';
+import {truncateString} from './Utils';
+import {SuperEditorContentId} from './Constants';
+
+const BlockDragEnabled = false;
+
+type BlocksEditorProps = {
+  onChange: (value: string, preview: string) => void;
+  className?: string;
+  children?: React.ReactNode;
+  previewLength: number;
+  spellcheck?: boolean;
+};
+
+export const BlocksEditor: FunctionComponent<BlocksEditorProps> = ({
+  onChange,
+  className,
+  children,
+  previewLength,
+  spellcheck,
+}) => {
+  const [didIgnoreFirstChange, setDidIgnoreFirstChange] = useState(false);
+  const handleChange = useCallback(
+    (editorState: EditorState, _editor: LexicalEditor) => {
+      if (!didIgnoreFirstChange) {
+        setDidIgnoreFirstChange(true);
+        return;
+      }
+
+      editorState.read(() => {
+        const childrenNodes = $getRoot().getAllTextNodes().slice(0, 2);
+        let previewText = '';
+        childrenNodes.forEach((node, index) => {
+          previewText += node.getTextContent();
+          if (index !== childrenNodes.length - 1) {
+            previewText += '\n';
+          }
+        });
+        previewText = truncateString(previewText, previewLength);
+
+        const stringifiedEditorState = JSON.stringify(editorState.toJSON());
+        onChange(stringifiedEditorState, previewText);
+      });
+    },
+    [onChange, didIgnoreFirstChange],
+  );
+
+  const [floatingAnchorElem, setFloatingAnchorElem] =
+    useState<HTMLDivElement | null>(null);
+
+  const onRef = (_floatingAnchorElem: HTMLDivElement) => {
+    if (_floatingAnchorElem !== null) {
+      setFloatingAnchorElem(_floatingAnchorElem);
+    }
+  };
+
+  return (
+    <>
+      {children}
+      <RichTextPlugin
+        contentEditable={
+          <div id="blocks-editor" className="editor-scroller">
+            <div className="editor" ref={onRef}>
+              <ContentEditable
+                id={SuperEditorContentId}
+                className={`ContentEditable__root ${className}`}
+                spellCheck={spellcheck}
+              />
+            </div>
+          </div>
+        }
+        placeholder=""
+        ErrorBoundary={LexicalErrorBoundary}
+      />
+      <ListPlugin />
+      <MarkdownShortcutPlugin
+        transformers={[
+          CHECK_LIST,
+          ...ELEMENT_TRANSFORMERS,
+          ...TEXT_FORMAT_TRANSFORMERS,
+          ...TEXT_MATCH_TRANSFORMERS,
+        ]}
+      />
+      <TablePlugin />
+      <OnChangePlugin onChange={handleChange} ignoreSelectionChange={true} />
+      <HistoryPlugin />
+      <HorizontalRulePlugin />
+      <AutoFocusPlugin />
+      <ClearEditorPlugin />
+      <CheckListPlugin />
+      <CodeHighlightPlugin />
+      <LinkPlugin />
+      <HashtagPlugin />
+
+      <AutoEmbedPlugin />
+      <TwitterPlugin />
+      <YouTubePlugin />
+      <CollapsiblePlugin />
+      {floatingAnchorElem && (
+        <>
+          <FloatingTextFormatToolbarPlugin anchorElem={floatingAnchorElem} />
+          <FloatingLinkEditorPlugin />
+        </>
+      )}
+      {floatingAnchorElem && BlockDragEnabled && (
+        <>{<DraggableBlockPlugin anchorElem={floatingAnchorElem} />}</>
+      )}
+    </>
+  );
+};

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

@@ -0,0 +1,31 @@
+import {FunctionComponent} from 'react';
+import {LexicalComposer} from '@lexical/react/LexicalComposer';
+import BlocksEditorTheme from '../Lexical/Theme/Theme';
+import {BlockEditorNodes} from '../Lexical/Nodes/AllNodes';
+import {Klass, LexicalNode} from 'lexical';
+
+type BlocksEditorComposerProps = {
+  initialValue: string;
+  children: React.ReactNode;
+  nodes?: Array<Klass<LexicalNode>>;
+  readonly?: boolean;
+};
+
+export const BlocksEditorComposer: FunctionComponent<
+  BlocksEditorComposerProps
+> = ({initialValue, children, readonly, nodes = []}) => {
+  return (
+    <LexicalComposer
+      initialConfig={{
+        namespace: 'BlocksEditor',
+        theme: BlocksEditorTheme,
+        editable: !readonly,
+        onError: (error: Error) => console.error(error),
+        editorState:
+          initialValue && initialValue.length > 0 ? initialValue : undefined,
+        nodes: [...nodes, ...BlockEditorNodes],
+      }}>
+      <>{children}</>
+    </LexicalComposer>
+  );
+};

packages/blocks-editor/src/Editor/Constants.ts

@@ -0,0 +1 @@
+export const SuperEditorContentId = 'super-editor-content';

packages/blocks-editor/src/Editor/Utils.ts

@@ -0,0 +1,7 @@
+export function truncateString(string: string, limit: number) {
+  if (string.length <= limit) {
+    return string;
+  } else {
+    return string.substring(0, limit) + '...';
+  }
+}

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/chevron-down.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-chevron-down"><path fill-rule="evenodd" d="M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z"/></svg>

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

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" data-name="Layer 1" viewBox="0 0 24 24" fill="currentColor"><path stroke="currentColor" d="M8.5 10a2 2 0 1 0 2 2 2 2 0 0 0-2-2Zm0 7a2 2 0 1 0 2 2 2 2 0 0 0-2-2Zm7-10a2 2 0 1 0-2-2 2 2 0 0 0 2 2Zm-7-4a2 2 0 1 0 2 2 2 2 0 0 0-2-2Zm7 14a2 2 0 1 0 2 2 2 2 0 0 0-2-2Zm0-7a2 2 0 1 0 2 2 2 2 0 0 0-2-2Z"/></svg>

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

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="none" class="bi bi-pencil-fill"><path d="M12.854.146a.5.5 0 0 0-.707 0L10.5 1.793 14.207 5.5l1.647-1.646a.5.5 0 0 0 0-.708l-3-3zm.646 6.061L9.793 2.5 3.293 9H3.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.207l6.5-6.5zm-7.468 7.468A.5.5 0 0 1 6 13.5V13h-.5a.5.5 0 0 1-.5-.5V12h-.5a.5.5 0 0 1-.5-.5V11h-.5a.5.5 0 0 1-.5-.5V10h-.5a.499.499 0 0 1-.175-.032l-.179.178a.5.5 0 0 0-.11.168l-2 5a.5.5 0 0 0 .65.65l5-2a.5.5 0 0 0 .168-.11l.178-.178z"/></svg>

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

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-plus"><path d="M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z"/></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 +1,289 @@
+/**
+ * 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;
+  iconName: string;
+
+  // 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" />,
+  iconName: '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" />,
+  iconName: '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/CodeHighlightPlugin/index.ts

@@ -0,0 +1,21 @@
+/**
+ * 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 {registerCodeHighlighting} from '@lexical/code';
+import {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {useEffect} from 'react';
+
+export default function CodeHighlightPlugin(): JSX.Element | null {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    return registerCodeHighlighting(editor);
+  }, [editor]);
+
+  return 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: var(--sn-stylekit-contrast-background-color);
+  border: 1px solid var(--sn-stylekit-contrast-border-color);
+  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: var(--sn-stylekit-contrast-color);
+}
+
+.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/DraggableBlockPlugin/index.scss

@@ -0,0 +1,36 @@
+.draggable-block-menu {
+  border-radius: 4px;
+  padding: 2px 1px;
+  cursor: grab;
+  opacity: 0;
+  position: absolute;
+  left: 0;
+  top: 0;
+  will-change: transform;
+}
+
+.draggable-block-menu .icon {
+  width: 16px;
+  height: 16px;
+  opacity: 0.3;
+  background-image: url(#{$blocks-editor-icons-path}/draggable-block-menu.svg);
+}
+
+.draggable-block-menu:active {
+  cursor: grabbing;
+}
+
+.draggable-block-menu:hover {
+  background-color: #efefef;
+}
+
+.draggable-block-target-line {
+  pointer-events: none;
+  background: deepskyblue;
+  height: 4px;
+  position: absolute;
+  left: 0;
+  top: 0;
+  opacity: 0;
+  will-change: transform;
+}

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

@@ -0,0 +1,365 @@
+/**
+ * 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 {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {eventFiles} from '@lexical/rich-text';
+import {mergeRegister} from '@lexical/utils';
+import {
+  $getNearestNodeFromDOMNode,
+  $getNodeByKey,
+  COMMAND_PRIORITY_HIGH,
+  COMMAND_PRIORITY_LOW,
+  DRAGOVER_COMMAND,
+  DROP_COMMAND,
+  LexicalEditor,
+} from 'lexical';
+import {DragEvent as ReactDragEvent, useEffect, useRef, useState} from 'react';
+import {createPortal} from 'react-dom';
+
+import {isHTMLElement} from '../../Utils/guard';
+import {Point} from '../../Utils/point';
+import {Rect} from '../../Utils/rect';
+
+const SPACE = 4;
+const TARGET_LINE_HALF_HEIGHT = 2;
+const DRAGGABLE_BLOCK_MENU_CLASSNAME = 'draggable-block-menu';
+const DRAG_DATA_FORMAT = 'application/x-lexical-drag-block';
+const TEXT_BOX_HORIZONTAL_PADDING = 28;
+
+const Downward = 1;
+const Upward = -1;
+const Indeterminate = 0;
+
+let prevIndex = Infinity;
+
+function getCurrentIndex(keysLength: number): number {
+  if (keysLength === 0) {
+    return Infinity;
+  }
+  if (prevIndex >= 0 && prevIndex < keysLength) {
+    return prevIndex;
+  }
+
+  return Math.floor(keysLength / 2);
+}
+
+function getTopLevelNodeKeys(editor: LexicalEditor): string[] {
+  const root = editor.getEditorState()._nodeMap.get('root');
+  return root ? root.__children : [];
+}
+
+function getBlockElement(
+  anchorElem: HTMLElement,
+  editor: LexicalEditor,
+  event: MouseEvent,
+): HTMLElement | null {
+  const anchorElementRect = anchorElem.getBoundingClientRect();
+  const topLevelNodeKeys = getTopLevelNodeKeys(editor);
+
+  let blockElem: HTMLElement | null = null;
+
+  editor.getEditorState().read(() => {
+    let index = getCurrentIndex(topLevelNodeKeys.length);
+    let direction = Indeterminate;
+
+    while (index >= 0 && index < topLevelNodeKeys.length) {
+      const key = topLevelNodeKeys[index];
+      const elem = editor.getElementByKey(key);
+      if (elem === null) {
+        break;
+      }
+      const point = new Point(event.x, event.y);
+      const domRect = Rect.fromDOM(elem);
+      const {marginTop, marginBottom} = window.getComputedStyle(elem);
+
+      const rect = domRect.generateNewRect({
+        bottom: domRect.bottom + parseFloat(marginBottom),
+        left: anchorElementRect.left,
+        right: anchorElementRect.right,
+        top: domRect.top - parseFloat(marginTop),
+      });
+
+      const {
+        result,
+        reason: {isOnTopSide, isOnBottomSide},
+      } = rect.contains(point);
+
+      if (result) {
+        blockElem = elem;
+        prevIndex = index;
+        break;
+      }
+
+      if (direction === Indeterminate) {
+        if (isOnTopSide) {
+          direction = Upward;
+        } else if (isOnBottomSide) {
+          direction = Downward;
+        } else {
+          // stop search block element
+          direction = Infinity;
+        }
+      }
+
+      index += direction;
+    }
+  });
+
+  return blockElem;
+}
+
+function isOnMenu(element: HTMLElement): boolean {
+  return !!element.closest(`.${DRAGGABLE_BLOCK_MENU_CLASSNAME}`);
+}
+
+function setMenuPosition(
+  targetElem: HTMLElement | null,
+  floatingElem: HTMLElement,
+  anchorElem: HTMLElement,
+) {
+  if (!targetElem) {
+    floatingElem.style.opacity = '0';
+    floatingElem.style.transform = 'translate(-10000px, -10000px)';
+    return;
+  }
+
+  const targetRect = targetElem.getBoundingClientRect();
+  const targetStyle = window.getComputedStyle(targetElem);
+  const floatingElemRect = floatingElem.getBoundingClientRect();
+  const anchorElementRect = anchorElem.getBoundingClientRect();
+
+  const top =
+    targetRect.top +
+    (parseInt(targetStyle.lineHeight, 10) - floatingElemRect.height) / 2 -
+    anchorElementRect.top;
+
+  const left = SPACE;
+
+  floatingElem.style.opacity = '1';
+  floatingElem.style.transform = `translate(${left}px, ${top}px)`;
+}
+
+function setDragImage(
+  dataTransfer: DataTransfer,
+  draggableBlockElem: HTMLElement,
+) {
+  const {transform} = draggableBlockElem.style;
+
+  // Remove dragImage borders
+  draggableBlockElem.style.transform = 'translateZ(0)';
+  dataTransfer.setDragImage(draggableBlockElem, 0, 0);
+
+  setTimeout(() => {
+    draggableBlockElem.style.transform = transform;
+  });
+}
+
+function setTargetLine(
+  targetLineElem: HTMLElement,
+  targetBlockElem: HTMLElement,
+  mouseY: number,
+  anchorElem: HTMLElement,
+) {
+  const targetStyle = window.getComputedStyle(targetBlockElem);
+  const {top: targetBlockElemTop, height: targetBlockElemHeight} =
+    targetBlockElem.getBoundingClientRect();
+  const {top: anchorTop, width: anchorWidth} =
+    anchorElem.getBoundingClientRect();
+
+  let lineTop = targetBlockElemTop;
+  // At the bottom of the target
+  if (mouseY - targetBlockElemTop > targetBlockElemHeight / 2) {
+    lineTop += targetBlockElemHeight + parseFloat(targetStyle.marginBottom);
+  } else {
+    lineTop -= parseFloat(targetStyle.marginTop);
+  }
+
+  const top = lineTop - anchorTop - TARGET_LINE_HALF_HEIGHT;
+  const left = TEXT_BOX_HORIZONTAL_PADDING - SPACE;
+
+  targetLineElem.style.transform = `translate(${left}px, ${top}px)`;
+  targetLineElem.style.width = `${
+    anchorWidth - (TEXT_BOX_HORIZONTAL_PADDING - SPACE) * 2
+  }px`;
+  targetLineElem.style.opacity = '.4';
+}
+
+function hideTargetLine(targetLineElem: HTMLElement | null) {
+  if (targetLineElem) {
+    targetLineElem.style.opacity = '0';
+    targetLineElem.style.transform = 'translate(-10000px, -10000px)';
+  }
+}
+
+function useDraggableBlockMenu(
+  editor: LexicalEditor,
+  anchorElem: HTMLElement,
+  isEditable: boolean,
+): JSX.Element {
+  const scrollerElem = anchorElem.parentElement;
+
+  const menuRef = useRef<HTMLDivElement>(null);
+  const targetLineRef = useRef<HTMLDivElement>(null);
+  const [draggableBlockElem, setDraggableBlockElem] =
+    useState<HTMLElement | null>(null);
+
+  useEffect(() => {
+    function onMouseMove(event: MouseEvent) {
+      const target = event.target;
+      if (!isHTMLElement(target)) {
+        setDraggableBlockElem(null);
+        return;
+      }
+
+      if (isOnMenu(target)) {
+        return;
+      }
+
+      const _draggableBlockElem = getBlockElement(anchorElem, editor, event);
+
+      setDraggableBlockElem(_draggableBlockElem);
+    }
+
+    function onMouseLeave() {
+      setDraggableBlockElem(null);
+    }
+
+    scrollerElem?.addEventListener('mousemove', onMouseMove);
+    scrollerElem?.addEventListener('mouseleave', onMouseLeave);
+
+    return () => {
+      scrollerElem?.removeEventListener('mousemove', onMouseMove);
+      scrollerElem?.removeEventListener('mouseleave', onMouseLeave);
+    };
+  }, [scrollerElem, anchorElem, editor]);
+
+  useEffect(() => {
+    if (menuRef.current) {
+      setMenuPosition(draggableBlockElem, menuRef.current, anchorElem);
+    }
+  }, [anchorElem, draggableBlockElem]);
+
+  useEffect(() => {
+    function onDragover(event: DragEvent): boolean {
+      const [isFileTransfer] = eventFiles(event);
+      if (isFileTransfer) {
+        return false;
+      }
+      const {pageY, target} = event;
+      if (!isHTMLElement(target)) {
+        return false;
+      }
+      const targetBlockElem = getBlockElement(anchorElem, editor, event);
+      const targetLineElem = targetLineRef.current;
+      if (targetBlockElem === null || targetLineElem === null) {
+        return false;
+      }
+      setTargetLine(targetLineElem, targetBlockElem, pageY, anchorElem);
+      // Prevent default event to be able to trigger onDrop events
+      event.preventDefault();
+      return true;
+    }
+
+    function onDrop(event: DragEvent): boolean {
+      const [isFileTransfer] = eventFiles(event);
+      if (isFileTransfer) {
+        return false;
+      }
+      const {target, dataTransfer, pageY} = event;
+      const dragData = dataTransfer?.getData(DRAG_DATA_FORMAT) || '';
+      const draggedNode = $getNodeByKey(dragData);
+      if (!draggedNode) {
+        return false;
+      }
+      if (!isHTMLElement(target)) {
+        return false;
+      }
+      const targetBlockElem = getBlockElement(anchorElem, editor, event);
+      if (!targetBlockElem) {
+        return false;
+      }
+      const targetNode = $getNearestNodeFromDOMNode(targetBlockElem);
+      if (!targetNode) {
+        return false;
+      }
+      if (targetNode === draggedNode) {
+        return true;
+      }
+      const {top, height} = targetBlockElem.getBoundingClientRect();
+      const shouldInsertAfter = pageY - top > height / 2;
+      if (shouldInsertAfter) {
+        targetNode.insertAfter(draggedNode);
+      } else {
+        targetNode.insertBefore(draggedNode);
+      }
+      setDraggableBlockElem(null);
+
+      return true;
+    }
+
+    return mergeRegister(
+      editor.registerCommand(
+        DRAGOVER_COMMAND,
+        (event) => {
+          return onDragover(event);
+        },
+        COMMAND_PRIORITY_LOW,
+      ),
+      editor.registerCommand(
+        DROP_COMMAND,
+        (event) => {
+          return onDrop(event);
+        },
+        COMMAND_PRIORITY_HIGH,
+      ),
+    );
+  }, [anchorElem, editor]);
+
+  function onDragStart(event: ReactDragEvent<HTMLDivElement>): void {
+    const dataTransfer = event.dataTransfer;
+    if (!dataTransfer || !draggableBlockElem) {
+      return;
+    }
+    setDragImage(dataTransfer, draggableBlockElem);
+    let nodeKey = '';
+    editor.update(() => {
+      const node = $getNearestNodeFromDOMNode(draggableBlockElem);
+      if (node) {
+        nodeKey = node.getKey();
+      }
+    });
+    dataTransfer.setData(DRAG_DATA_FORMAT, nodeKey);
+  }
+
+  function onDragEnd(): void {
+    hideTargetLine(targetLineRef.current);
+  }
+
+  return createPortal(
+    <>
+      <div
+        className="icon draggable-block-menu"
+        ref={menuRef}
+        draggable={true}
+        onDragStart={onDragStart}
+        onDragEnd={onDragEnd}>
+        <div className={isEditable ? 'icon' : ''} />
+      </div>
+      <div className="draggable-block-target-line" ref={targetLineRef} />
+    </>,
+    anchorElem,
+  );
+}
+
+export default function DraggableBlockPlugin({
+  anchorElem = document.body,
+}: {
+  anchorElem?: HTMLElement;
+}): JSX.Element {
+  const [editor] = useLexicalComposerContext();
+  return useDraggableBlockMenu(editor, anchorElem, editor._editable);
+}

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

@@ -0,0 +1,261 @@
+/**
+ * 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 {$isAutoLinkNode, $isLinkNode, TOGGLE_LINK_COMMAND} from '@lexical/link';
+import {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {$findMatchingParent, mergeRegister} from '@lexical/utils';
+import {
+  $getSelection,
+  $isRangeSelection,
+  COMMAND_PRIORITY_CRITICAL,
+  COMMAND_PRIORITY_LOW,
+  GridSelection,
+  LexicalEditor,
+  NodeSelection,
+  RangeSelection,
+  SELECTION_CHANGE_COMMAND,
+} from 'lexical';
+import {useCallback, useEffect, useRef, useState} from 'react';
+import {createPortal} from 'react-dom';
+
+import LinkPreview from '../../UI/LinkPreview';
+import {getSelectedNode} from '../../Utils/getSelectedNode';
+import {sanitizeUrl} from '../../Utils/sanitizeUrl';
+import {setFloatingElemPosition} from '../../Utils/setFloatingElemPosition';
+import {LexicalPencilFill} from '@standardnotes/icons';
+import {IconComponent} from '../../../Lexical/Theme/IconComponent';
+
+function FloatingLinkEditor({
+  editor,
+  anchorElem,
+}: {
+  editor: LexicalEditor;
+  anchorElem: HTMLElement;
+}): JSX.Element {
+  const editorRef = useRef<HTMLDivElement | null>(null);
+  const inputRef = useRef<HTMLInputElement>(null);
+  const [linkUrl, setLinkUrl] = useState('');
+  const [isEditMode, setEditMode] = useState(false);
+  const [lastSelection, setLastSelection] = useState<
+    RangeSelection | GridSelection | NodeSelection | null
+  >(null);
+
+  const updateLinkEditor = useCallback(() => {
+    const selection = $getSelection();
+    if ($isRangeSelection(selection)) {
+      const node = getSelectedNode(selection);
+      const parent = node.getParent();
+      if ($isLinkNode(parent)) {
+        setLinkUrl(parent.getURL());
+      } else if ($isLinkNode(node)) {
+        setLinkUrl(node.getURL());
+      } else {
+        setLinkUrl('');
+      }
+    }
+    const editorElem = editorRef.current;
+    const nativeSelection = window.getSelection();
+    const activeElement = document.activeElement;
+
+    if (editorElem === null) {
+      return;
+    }
+
+    const rootElement = editor.getRootElement();
+
+    if (
+      selection !== null &&
+      nativeSelection !== null &&
+      rootElement !== null &&
+      rootElement.contains(nativeSelection.anchorNode)
+    ) {
+      const domRange = nativeSelection.getRangeAt(0);
+      let rect;
+      if (nativeSelection.anchorNode === rootElement) {
+        let inner = rootElement;
+        while (inner.firstElementChild != null) {
+          inner = inner.firstElementChild as HTMLElement;
+        }
+        rect = inner.getBoundingClientRect();
+      } else {
+        rect = domRange.getBoundingClientRect();
+      }
+
+      setFloatingElemPosition(rect, editorElem, anchorElem);
+      setLastSelection(selection);
+    } else if (!activeElement || activeElement.className !== 'link-input') {
+      if (rootElement !== null) {
+        setFloatingElemPosition(null, editorElem, anchorElem);
+      }
+      setLastSelection(null);
+      setEditMode(false);
+      setLinkUrl('');
+    }
+
+    return true;
+  }, [anchorElem, editor]);
+
+  useEffect(() => {
+    const scrollerElem = anchorElem.parentElement;
+
+    const update = () => {
+      editor.getEditorState().read(() => {
+        updateLinkEditor();
+      });
+    };
+
+    window.addEventListener('resize', update);
+
+    if (scrollerElem) {
+      scrollerElem.addEventListener('scroll', update);
+    }
+
+    return () => {
+      window.removeEventListener('resize', update);
+
+      if (scrollerElem) {
+        scrollerElem.removeEventListener('scroll', update);
+      }
+    };
+  }, [anchorElem.parentElement, editor, updateLinkEditor]);
+
+  useEffect(() => {
+    return mergeRegister(
+      editor.registerUpdateListener(({editorState}) => {
+        editorState.read(() => {
+          updateLinkEditor();
+        });
+      }),
+
+      editor.registerCommand(
+        SELECTION_CHANGE_COMMAND,
+        () => {
+          updateLinkEditor();
+          return true;
+        },
+        COMMAND_PRIORITY_LOW,
+      ),
+    );
+  }, [editor, updateLinkEditor]);
+
+  useEffect(() => {
+    editor.getEditorState().read(() => {
+      updateLinkEditor();
+    });
+  }, [editor, updateLinkEditor]);
+
+  useEffect(() => {
+    if (isEditMode && inputRef.current) {
+      inputRef.current.focus();
+    }
+  }, [isEditMode]);
+
+  return (
+    <div ref={editorRef} className="link-editor">
+      {isEditMode ? (
+        <input
+          ref={inputRef}
+          className="link-input"
+          value={linkUrl}
+          onChange={(event) => {
+            setLinkUrl(event.target.value);
+          }}
+          onKeyDown={(event) => {
+            if (event.key === 'Enter') {
+              event.preventDefault();
+              if (lastSelection !== null) {
+                if (linkUrl !== '') {
+                  editor.dispatchCommand(
+                    TOGGLE_LINK_COMMAND,
+                    sanitizeUrl(linkUrl),
+                  );
+                }
+                setEditMode(false);
+              }
+            } else if (event.key === 'Escape') {
+              event.preventDefault();
+              setEditMode(false);
+            }
+          }}
+        />
+      ) : (
+        <>
+          <div className="link-input">
+            <a href={linkUrl} target="_blank" rel="noopener noreferrer">
+              {linkUrl}
+            </a>
+            <div
+              className="link-edit"
+              role="button"
+              tabIndex={0}
+              onMouseDown={(event) => event.preventDefault()}
+              onClick={() => {
+                setEditMode(true);
+              }}>
+              <IconComponent size={15}>
+                <LexicalPencilFill />
+              </IconComponent>
+            </div>
+          </div>
+          <LinkPreview url={linkUrl} />
+        </>
+      )}
+    </div>
+  );
+}
+
+function useFloatingLinkEditorToolbar(
+  editor: LexicalEditor,
+  anchorElem: HTMLElement,
+): JSX.Element | null {
+  const [activeEditor, setActiveEditor] = useState(editor);
+  const [isLink, setIsLink] = useState(false);
+
+  const updateToolbar = useCallback(() => {
+    const selection = $getSelection();
+    if ($isRangeSelection(selection)) {
+      const node = getSelectedNode(selection);
+      const linkParent = $findMatchingParent(node, $isLinkNode);
+      const autoLinkParent = $findMatchingParent(node, $isAutoLinkNode);
+
+      // We don't want this menu to open for auto links.
+      if (linkParent != null && autoLinkParent == null) {
+        setIsLink(true);
+      } else {
+        setIsLink(false);
+      }
+    }
+  }, []);
+
+  useEffect(() => {
+    return editor.registerCommand(
+      SELECTION_CHANGE_COMMAND,
+      (_payload, newEditor) => {
+        updateToolbar();
+        setActiveEditor(newEditor);
+        return false;
+      },
+      COMMAND_PRIORITY_CRITICAL,
+    );
+  }, [editor, updateToolbar]);
+
+  return isLink
+    ? createPortal(
+        <FloatingLinkEditor editor={activeEditor} anchorElem={anchorElem} />,
+        anchorElem,
+      )
+    : null;
+}
+
+export default function FloatingLinkEditorPlugin({
+  anchorElem = document.body,
+}: {
+  anchorElem?: HTMLElement;
+}): JSX.Element | null {
+  const [editor] = useLexicalComposerContext();
+  return useFloatingLinkEditorToolbar(editor, anchorElem);
+}

packages/blocks-editor/src/Lexical/Plugins/FloatingTextFormatToolbarPlugin/index.css

@@ -0,0 +1,128 @@
+.floating-text-format-popup {
+  display: flex;
+  vertical-align: middle;
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: 10;
+  opacity: 0;
+  background-color: var(--sn-stylekit-contrast-background-color);
+  box-shadow: 0px 5px 10px var(--sn-stylekit-shadow-color);
+  border-radius: 8px;
+  transition: opacity 0.5s;
+  will-change: transform;
+}
+
+.floating-text-format-popup button.popup-item {
+  border: 0;
+  display: flex;
+  background: none;
+  border-radius: 10px;
+  padding: 12px;
+  cursor: pointer;
+  vertical-align: middle;
+}
+
+.floating-text-format-popup button.popup-item:disabled {
+  cursor: not-allowed;
+}
+
+.floating-text-format-popup button.popup-item.spaced {
+  margin-right: 2px;
+}
+
+.floating-text-format-popup button.popup-item i.format {
+  background-size: contain;
+  display: inline-block;
+  height: 18px;
+  width: 18px;
+  margin-top: 2px;
+  vertical-align: -0.25em;
+  display: flex;
+  opacity: 0.6;
+}
+
+.floating-text-format-popup button.popup-item:disabled i.format {
+  opacity: 0.2;
+}
+
+.floating-text-format-popup button.popup-item.active {
+  background-color: rgba(223, 232, 250, 0.3);
+}
+
+.floating-text-format-popup button.popup-item.active i {
+  opacity: 1;
+}
+
+.floating-text-format-popup .popup-item:hover:not([disabled]) {
+  background-color: var(--sn-stylekit-info-color);
+  color: var(--sn-stylekit-info-contrast-color);
+}
+
+.floating-text-format-popup select.popup-item {
+  border: 0;
+  display: flex;
+  background: none;
+  border-radius: 10px;
+  padding: 8px;
+  vertical-align: middle;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  width: 70px;
+  font-size: 14px;
+  color: #777;
+  text-overflow: ellipsis;
+}
+
+.floating-text-format-popup select.code-language {
+  text-transform: capitalize;
+  width: 130px;
+}
+
+.floating-text-format-popup .popup-item .text {
+  display: flex;
+  line-height: 20px;
+  width: 200px;
+  vertical-align: middle;
+  font-size: 14px;
+  color: #777;
+  text-overflow: ellipsis;
+  width: 70px;
+  overflow: hidden;
+  height: 20px;
+  text-align: left;
+}
+
+.floating-text-format-popup .popup-item .icon {
+  display: flex;
+  width: 20px;
+  height: 20px;
+  user-select: none;
+  margin-right: 8px;
+  line-height: 16px;
+  background-size: contain;
+}
+
+.floating-text-format-popup i.chevron-down {
+  margin-top: 3px;
+  width: 16px;
+  height: 16px;
+  display: flex;
+  user-select: none;
+}
+
+.floating-text-format-popup i.chevron-down.inside {
+  width: 16px;
+  height: 16px;
+  display: flex;
+  margin-left: -25px;
+  margin-top: 11px;
+  margin-right: 10px;
+  pointer-events: none;
+}
+
+.floating-text-format-popup .divider {
+  width: 1px;
+  background-color: #eee;
+  margin: 0 4px;
+}

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

@@ -0,0 +1,351 @@
+/**
+ * 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 './index.css';
+
+import {$isCodeHighlightNode} from '@lexical/code';
+import {$isLinkNode, TOGGLE_LINK_COMMAND} from '@lexical/link';
+import {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {mergeRegister} from '@lexical/utils';
+import {
+  $getSelection,
+  $isRangeSelection,
+  $isTextNode,
+  COMMAND_PRIORITY_LOW,
+  FORMAT_TEXT_COMMAND,
+  LexicalEditor,
+  SELECTION_CHANGE_COMMAND,
+} from 'lexical';
+import {useCallback, useEffect, useRef, useState} from 'react';
+import {createPortal} from 'react-dom';
+
+import {getDOMRangeRect} from '../../Utils/getDOMRangeRect';
+import {getSelectedNode} from '../../Utils/getSelectedNode';
+import {setFloatingElemPosition} from '../../Utils/setFloatingElemPosition';
+import {
+  BoldIcon,
+  ItalicIcon,
+  UnderlineIcon,
+  StrikethroughIcon,
+  CodeIcon,
+  LinkIcon,
+  SuperscriptIcon,
+  SubscriptIcon,
+} from '@standardnotes/icons';
+import {IconComponent} from '../../Theme/IconComponent';
+
+const IconSize = 15;
+
+function TextFormatFloatingToolbar({
+  editor,
+  anchorElem,
+  isLink,
+  isBold,
+  isItalic,
+  isUnderline,
+  isCode,
+  isStrikethrough,
+  isSubscript,
+  isSuperscript,
+}: {
+  editor: LexicalEditor;
+  anchorElem: HTMLElement;
+  isBold: boolean;
+  isCode: boolean;
+  isItalic: boolean;
+  isLink: boolean;
+  isStrikethrough: boolean;
+  isSubscript: boolean;
+  isSuperscript: boolean;
+  isUnderline: boolean;
+}): JSX.Element {
+  const popupCharStylesEditorRef = useRef<HTMLDivElement | null>(null);
+
+  const insertLink = useCallback(() => {
+    if (!isLink) {
+      editor.dispatchCommand(TOGGLE_LINK_COMMAND, 'https://');
+    } else {
+      editor.dispatchCommand(TOGGLE_LINK_COMMAND, null);
+    }
+  }, [editor, isLink]);
+
+  const updateTextFormatFloatingToolbar = useCallback(() => {
+    const selection = $getSelection();
+
+    const popupCharStylesEditorElem = popupCharStylesEditorRef.current;
+    const nativeSelection = window.getSelection();
+
+    if (popupCharStylesEditorElem === null) {
+      return;
+    }
+
+    const rootElement = editor.getRootElement();
+    if (
+      selection !== null &&
+      nativeSelection !== null &&
+      !nativeSelection.isCollapsed &&
+      rootElement !== null &&
+      rootElement.contains(nativeSelection.anchorNode)
+    ) {
+      const rangeRect = getDOMRangeRect(nativeSelection, rootElement);
+
+      setFloatingElemPosition(rangeRect, popupCharStylesEditorElem, anchorElem);
+    }
+  }, [editor, anchorElem]);
+
+  useEffect(() => {
+    const scrollerElem = anchorElem.parentElement;
+
+    const update = () => {
+      editor.getEditorState().read(() => {
+        updateTextFormatFloatingToolbar();
+      });
+    };
+
+    window.addEventListener('resize', update);
+    if (scrollerElem) {
+      scrollerElem.addEventListener('scroll', update);
+    }
+
+    return () => {
+      window.removeEventListener('resize', update);
+      if (scrollerElem) {
+        scrollerElem.removeEventListener('scroll', update);
+      }
+    };
+  }, [editor, updateTextFormatFloatingToolbar, anchorElem]);
+
+  useEffect(() => {
+    editor.getEditorState().read(() => {
+      updateTextFormatFloatingToolbar();
+    });
+    return mergeRegister(
+      editor.registerUpdateListener(({editorState}) => {
+        editorState.read(() => {
+          updateTextFormatFloatingToolbar();
+        });
+      }),
+
+      editor.registerCommand(
+        SELECTION_CHANGE_COMMAND,
+        () => {
+          updateTextFormatFloatingToolbar();
+          return false;
+        },
+        COMMAND_PRIORITY_LOW,
+      ),
+    );
+  }, [editor, updateTextFormatFloatingToolbar]);
+
+  return (
+    <div ref={popupCharStylesEditorRef} className="floating-text-format-popup">
+      {editor.isEditable() && (
+        <>
+          <button
+            onClick={() => {
+              editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'bold');
+            }}
+            className={'popup-item spaced ' + (isBold ? 'active' : '')}
+            aria-label="Format text as bold">
+            <IconComponent size={IconSize}>
+              <BoldIcon />
+            </IconComponent>
+          </button>
+          <button
+            onClick={() => {
+              editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'italic');
+            }}
+            className={'popup-item spaced ' + (isItalic ? 'active' : '')}
+            aria-label="Format text as italics">
+            <IconComponent size={IconSize}>
+              <ItalicIcon />
+            </IconComponent>
+          </button>
+          <button
+            onClick={() => {
+              editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'underline');
+            }}
+            className={'popup-item spaced ' + (isUnderline ? 'active' : '')}
+            aria-label="Format text to underlined">
+            <IconComponent size={IconSize + 1}>
+              <UnderlineIcon />
+            </IconComponent>
+          </button>
+          <button
+            onClick={() => {
+              editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'strikethrough');
+            }}
+            className={'popup-item spaced ' + (isStrikethrough ? 'active' : '')}
+            aria-label="Format text with a strikethrough">
+            <IconComponent size={IconSize}>
+              <StrikethroughIcon />
+            </IconComponent>
+          </button>
+          <button
+            onClick={() => {
+              editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'subscript');
+            }}
+            className={'popup-item spaced ' + (isSubscript ? 'active' : '')}
+            title="Subscript"
+            aria-label="Format Subscript">
+            <IconComponent paddingTop={4} size={IconSize - 2}>
+              <SubscriptIcon />
+            </IconComponent>
+          </button>
+          <button
+            onClick={() => {
+              editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'superscript');
+            }}
+            className={'popup-item spaced ' + (isSuperscript ? 'active' : '')}
+            title="Superscript"
+            aria-label="Format Superscript">
+            <IconComponent paddingTop={1} size={IconSize - 2}>
+              <SuperscriptIcon />
+            </IconComponent>
+          </button>
+          <button
+            onClick={() => {
+              editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'code');
+            }}
+            className={'popup-item spaced ' + (isCode ? 'active' : '')}
+            aria-label="Insert code block">
+            <IconComponent size={IconSize}>
+              <CodeIcon />
+            </IconComponent>
+          </button>
+          <button
+            onClick={insertLink}
+            className={'popup-item spaced ' + (isLink ? 'active' : '')}
+            aria-label="Insert link">
+            <IconComponent size={IconSize}>
+              <LinkIcon />
+            </IconComponent>
+          </button>
+        </>
+      )}
+    </div>
+  );
+}
+
+function useFloatingTextFormatToolbar(
+  editor: LexicalEditor,
+  anchorElem: HTMLElement,
+): JSX.Element | null {
+  const [isText, setIsText] = useState(false);
+  const [isLink, setIsLink] = useState(false);
+  const [isBold, setIsBold] = useState(false);
+  const [isItalic, setIsItalic] = useState(false);
+  const [isUnderline, setIsUnderline] = useState(false);
+  const [isStrikethrough, setIsStrikethrough] = useState(false);
+  const [isSubscript, setIsSubscript] = useState(false);
+  const [isSuperscript, setIsSuperscript] = useState(false);
+  const [isCode, setIsCode] = useState(false);
+
+  const updatePopup = useCallback(() => {
+    editor.getEditorState().read(() => {
+      // Should not to pop up the floating toolbar when using IME input
+      if (editor.isComposing()) {
+        return;
+      }
+      const selection = $getSelection();
+      const nativeSelection = window.getSelection();
+      const rootElement = editor.getRootElement();
+
+      if (
+        nativeSelection !== null &&
+        (!$isRangeSelection(selection) ||
+          rootElement === null ||
+          !rootElement.contains(nativeSelection.anchorNode))
+      ) {
+        setIsText(false);
+        return;
+      }
+
+      if (!$isRangeSelection(selection)) {
+        return;
+      }
+
+      const node = getSelectedNode(selection);
+
+      // Update text format
+      setIsBold(selection.hasFormat('bold'));
+      setIsItalic(selection.hasFormat('italic'));
+      setIsUnderline(selection.hasFormat('underline'));
+      setIsStrikethrough(selection.hasFormat('strikethrough'));
+      setIsSubscript(selection.hasFormat('subscript'));
+      setIsSuperscript(selection.hasFormat('superscript'));
+      setIsCode(selection.hasFormat('code'));
+
+      // Update links
+      const parent = node.getParent();
+      if ($isLinkNode(parent) || $isLinkNode(node)) {
+        setIsLink(true);
+      } else {
+        setIsLink(false);
+      }
+
+      if (
+        !$isCodeHighlightNode(selection.anchor.getNode()) &&
+        selection.getTextContent() !== ''
+      ) {
+        setIsText($isTextNode(node));
+      } else {
+        setIsText(false);
+      }
+    });
+  }, [editor]);
+
+  useEffect(() => {
+    document.addEventListener('selectionchange', updatePopup);
+    return () => {
+      document.removeEventListener('selectionchange', updatePopup);
+    };
+  }, [updatePopup]);
+
+  useEffect(() => {
+    return mergeRegister(
+      editor.registerUpdateListener(() => {
+        updatePopup();
+      }),
+      editor.registerRootListener(() => {
+        if (editor.getRootElement() === null) {
+          setIsText(false);
+        }
+      }),
+    );
+  }, [editor, updatePopup]);
+
+  if (!isText || isLink) {
+    return null;
+  }
+
+  return createPortal(
+    <TextFormatFloatingToolbar
+      editor={editor}
+      anchorElem={anchorElem}
+      isLink={isLink}
+      isBold={isBold}
+      isItalic={isItalic}
+      isStrikethrough={isStrikethrough}
+      isSubscript={isSubscript}
+      isSuperscript={isSuperscript}
+      isUnderline={isUnderline}
+      isCode={isCode}
+    />,
+    anchorElem,
+  );
+}
+
+export default function FloatingTextFormatToolbarPlugin({
+  anchorElem = document.body,
+}: {
+  anchorElem?: HTMLElement;
+}): JSX.Element | null {
+  const [editor] = useLexicalComposerContext();
+  return useFloatingTextFormatToolbar(editor, anchorElem);
+}

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

@@ -0,0 +1,51 @@
+/**
+ * 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 {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {
+  $createHorizontalRuleNode,
+  INSERT_HORIZONTAL_RULE_COMMAND,
+} from '@lexical/react/LexicalHorizontalRuleNode';
+import {
+  $getSelection,
+  $isRangeSelection,
+  COMMAND_PRIORITY_EDITOR,
+} from 'lexical';
+import {useEffect} from 'react';
+
+export default function HorizontalRulePlugin(): null {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    return editor.registerCommand(
+      INSERT_HORIZONTAL_RULE_COMMAND,
+      (type) => {
+        const selection = $getSelection();
+
+        if (!$isRangeSelection(selection)) {
+          return false;
+        }
+
+        const focusNode = selection.focus.getNode();
+
+        if (focusNode !== null) {
+          const horizontalRuleNode = $createHorizontalRuleNode();
+          selection.focus
+            .getNode()
+            .getTopLevelElementOrThrow()
+            .insertBefore(horizontalRuleNode);
+        }
+
+        return true;
+      },
+      COMMAND_PRIORITY_EDITOR,
+    );
+  }, [editor]);
+
+  return null;
+}

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

@@ -0,0 +1,77 @@
+import {$getListDepth, $isListItemNode, $isListNode} from '@lexical/list';
+import {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {
+  RangeSelection,
+  $getSelection,
+  $isElementNode,
+  $isRangeSelection,
+  COMMAND_PRIORITY_CRITICAL,
+  ElementNode,
+  INDENT_CONTENT_COMMAND,
+} from 'lexical';
+import {useEffect} from 'react';
+
+type Props = Readonly<{
+  maxDepth: number | null | undefined;
+}>;
+
+function getElementNodesInSelection(
+  selection: RangeSelection,
+): Set<ElementNode> {
+  const nodesInSelection = selection.getNodes();
+
+  if (nodesInSelection.length === 0) {
+    return new Set([
+      selection.anchor.getNode().getParentOrThrow(),
+      selection.focus.getNode().getParentOrThrow(),
+    ]);
+  }
+
+  return new Set(
+    nodesInSelection.map((n) => ($isElementNode(n) ? n : n.getParentOrThrow())),
+  );
+}
+
+function isIndentPermitted(maxDepth: number): boolean {
+  const selection = $getSelection();
+
+  if (!$isRangeSelection(selection)) {
+    return false;
+  }
+
+  const elementNodesInSelection: Set<ElementNode> =
+    getElementNodesInSelection(selection);
+
+  let totalDepth = 0;
+
+  for (const elementNode of elementNodesInSelection) {
+    if ($isListNode(elementNode)) {
+      totalDepth = Math.max($getListDepth(elementNode) + 1, totalDepth);
+    } else if ($isListItemNode(elementNode)) {
+      const parent = elementNode.getParent();
+
+      if (!$isListNode(parent)) {
+        throw new Error(
+          'ListMaxIndentLevelPlugin: A ListItemNode must have a ListNode for a parent.',
+        );
+      }
+
+      totalDepth = Math.max($getListDepth(parent) + 1, totalDepth);
+    }
+  }
+
+  return totalDepth <= maxDepth;
+}
+
+export default function ListMaxIndentLevelPlugin({maxDepth}: Props): null {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    return editor.registerCommand(
+      INDENT_CONTENT_COMMAND,
+      () => !isIndentPermitted(maxDepth ?? 7),
+      COMMAND_PRIORITY_CRITICAL,
+    );
+  }, [editor, maxDepth]);
+  return null;
+}

packages/blocks-editor/src/Lexical/Plugins/TablePlugin.tsx

@@ -0,0 +1,212 @@
+/**
+ * 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 {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {INSERT_TABLE_COMMAND} from '@lexical/table';
+import {
+  $createNodeSelection,
+  $createParagraphNode,
+  $getSelection,
+  $isRangeSelection,
+  $isRootOrShadowRoot,
+  $setSelection,
+  COMMAND_PRIORITY_EDITOR,
+  createCommand,
+  EditorThemeClasses,
+  Klass,
+  LexicalCommand,
+  LexicalEditor,
+  LexicalNode,
+} from 'lexical';
+import {createContext, useContext, useEffect, useMemo, useState} from 'react';
+import * as React from 'react';
+import invariant from '../Shared/invariant';
+
+import {$createTableNodeWithDimensions, TableNode} from '../Nodes/TableNode';
+import Button from '../UI/Button';
+import {DialogActions} from '../UI/Dialog';
+import TextInput from '../UI/TextInput';
+
+export type InsertTableCommandPayload = Readonly<{
+  columns: string;
+  rows: string;
+  includeHeaders?: boolean;
+}>;
+
+export type CellContextShape = {
+  cellEditorConfig: null | CellEditorConfig;
+  cellEditorPlugins: null | JSX.Element | Array<JSX.Element>;
+  set: (
+    cellEditorConfig: null | CellEditorConfig,
+    cellEditorPlugins: null | JSX.Element | Array<JSX.Element>,
+  ) => void;
+};
+
+export type CellEditorConfig = Readonly<{
+  namespace: string;
+  nodes?: ReadonlyArray<Klass<LexicalNode>>;
+  onError: (error: Error, editor: LexicalEditor) => void;
+  readOnly?: boolean;
+  theme?: EditorThemeClasses;
+}>;
+
+export const INSERT_NEW_TABLE_COMMAND: LexicalCommand<InsertTableCommandPayload> =
+  createCommand('INSERT_NEW_TABLE_COMMAND');
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: not sure why TS doesn't like using null as the value?
+export const CellContext: React.Context<CellContextShape> = createContext({
+  cellEditorConfig: null,
+  cellEditorPlugins: null,
+  set: () => {
+    // Empty
+  },
+});
+
+export function TableContext({children}: {children: JSX.Element}) {
+  const [contextValue, setContextValue] = useState<{
+    cellEditorConfig: null | CellEditorConfig;
+    cellEditorPlugins: null | JSX.Element | Array<JSX.Element>;
+  }>({
+    cellEditorConfig: null,
+    cellEditorPlugins: null,
+  });
+  return (
+    <CellContext.Provider
+      value={useMemo(
+        () => ({
+          cellEditorConfig: contextValue.cellEditorConfig,
+          cellEditorPlugins: contextValue.cellEditorPlugins,
+          set: (cellEditorConfig, cellEditorPlugins) => {
+            setContextValue({cellEditorConfig, cellEditorPlugins});
+          },
+        }),
+        [contextValue.cellEditorConfig, contextValue.cellEditorPlugins],
+      )}>
+      {children}
+    </CellContext.Provider>
+  );
+}
+
+export function InsertTableDialog({
+  activeEditor,
+  onClose,
+}: {
+  activeEditor: LexicalEditor;
+  onClose: () => void;
+}): JSX.Element {
+  const [rows, setRows] = useState('5');
+  const [columns, setColumns] = useState('5');
+
+  const onClick = () => {
+    activeEditor.dispatchCommand(INSERT_TABLE_COMMAND, {columns, rows});
+    onClose();
+  };
+
+  return (
+    <>
+      <TextInput label="No of rows" onChange={setRows} value={rows} />
+      <TextInput label="No of columns" onChange={setColumns} value={columns} />
+      <DialogActions data-test-id="table-model-confirm-insert">
+        <Button onClick={onClick}>Confirm</Button>
+      </DialogActions>
+    </>
+  );
+}
+
+export function InsertNewTableDialog({
+  activeEditor,
+  onClose,
+}: {
+  activeEditor: LexicalEditor;
+  onClose: () => void;
+}): JSX.Element {
+  const [rows, setRows] = useState('5');
+  const [columns, setColumns] = useState('5');
+
+  const onClick = () => {
+    activeEditor.dispatchCommand(INSERT_NEW_TABLE_COMMAND, {columns, rows});
+    onClose();
+  };
+
+  return (
+    <>
+      <TextInput label="No of rows" onChange={setRows} value={rows} />
+      <TextInput label="No of columns" onChange={setColumns} value={columns} />
+      <DialogActions data-test-id="table-model-confirm-insert">
+        <Button onClick={onClick}>Confirm</Button>
+      </DialogActions>
+    </>
+  );
+}
+
+export function TablePlugin({
+  cellEditorConfig,
+  children,
+}: {
+  cellEditorConfig: CellEditorConfig;
+  children: JSX.Element | Array<JSX.Element>;
+}): JSX.Element | null {
+  const [editor] = useLexicalComposerContext();
+  const cellContext = useContext(CellContext);
+
+  useEffect(() => {
+    if (!editor.hasNodes([TableNode])) {
+      invariant(false, 'TablePlugin: TableNode is not registered on editor');
+    }
+
+    cellContext.set(cellEditorConfig, children);
+
+    return editor.registerCommand<InsertTableCommandPayload>(
+      INSERT_TABLE_COMMAND,
+      ({columns, rows, includeHeaders}) => {
+        const selection = $getSelection();
+
+        if (!$isRangeSelection(selection)) {
+          return true;
+        }
+
+        const focus = selection.focus;
+        const focusNode = focus.getNode();
+
+        if (focusNode !== null) {
+          const tableNode = $createTableNodeWithDimensions(
+            Number(rows),
+            Number(columns),
+            includeHeaders,
+          );
+
+          if ($isRootOrShadowRoot(focusNode)) {
+            const target = focusNode.getChildAtIndex(focus.offset);
+
+            if (target !== null) {
+              target.insertBefore(tableNode);
+            } else {
+              focusNode.append(tableNode);
+            }
+
+            tableNode.insertBefore($createParagraphNode());
+          } else {
+            const topLevelNode = focusNode.getTopLevelElementOrThrow();
+            topLevelNode.insertAfter(tableNode);
+          }
+
+          tableNode.insertAfter($createParagraphNode());
+          const nodeSelection = $createNodeSelection();
+          nodeSelection.add(tableNode.getKey());
+          $setSelection(nodeSelection);
+        }
+
+        return true;
+      },
+      COMMAND_PRIORITY_EDITOR,
+    );
+  }, [cellContext, cellEditorConfig, children, editor]);
+
+  return null;
+}

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

@@ -0,0 +1,41 @@
+/**
+ * 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 {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {$insertNodeToNearestRoot} from '@lexical/utils';
+import {COMMAND_PRIORITY_EDITOR, createCommand, LexicalCommand} from 'lexical';
+import {useEffect} from 'react';
+
+import {$createTweetNode, TweetNode} from '../../Nodes/TweetNode';
+
+export const INSERT_TWEET_COMMAND: LexicalCommand<string> = createCommand(
+  'INSERT_TWEET_COMMAND',
+);
+
+export default function TwitterPlugin(): JSX.Element | null {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    if (!editor.hasNodes([TweetNode])) {
+      throw new Error('TwitterPlugin: TweetNode not registered on editor');
+    }
+
+    return editor.registerCommand<string>(
+      INSERT_TWEET_COMMAND,
+      (payload) => {
+        const tweetNode = $createTweetNode(payload);
+        $insertNodeToNearestRoot(tweetNode);
+
+        return true;
+      },
+      COMMAND_PRIORITY_EDITOR,
+    );
+  }, [editor]);
+
+  return null;
+}

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

@@ -0,0 +1,41 @@
+/**
+ * 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 {useLexicalComposerContext} from '@lexical/react/LexicalComposerContext';
+import {$insertNodeToNearestRoot} from '@lexical/utils';
+import {COMMAND_PRIORITY_EDITOR, createCommand, LexicalCommand} from 'lexical';
+import {useEffect} from 'react';
+
+import {$createYouTubeNode, YouTubeNode} from '../../Nodes/YouTubeNode';
+
+export const INSERT_YOUTUBE_COMMAND: LexicalCommand<string> = createCommand(
+  'INSERT_YOUTUBE_COMMAND',
+);
+
+export default function YouTubePlugin(): JSX.Element | null {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    if (!editor.hasNodes([YouTubeNode])) {
+      throw new Error('YouTubePlugin: YouTubeNode not registered on editor');
+    }
+
+    return editor.registerCommand<string>(
+      INSERT_YOUTUBE_COMMAND,
+      (payload) => {
+        const youTubeNode = $createYouTubeNode(payload);
+        $insertNodeToNearestRoot(youTubeNode);
+
+        return true;
+      },
+      COMMAND_PRIORITY_EDITOR,
+    );
+  }, [editor]);
+
+  return null;
+}

packages/blocks-editor/src/Lexical/Shared/canUseDOM.ts

@@ -0,0 +1,12 @@
+/**
+ * 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.
+ *
+ */
+
+export const CAN_USE_DOM: boolean =
+  typeof window !== 'undefined' &&
+  typeof window.document !== 'undefined' &&
+  typeof window.document.createElement !== 'undefined';

packages/blocks-editor/src/Lexical/Shared/environment.ts

@@ -0,0 +1,46 @@
+/**
+ * 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 {CAN_USE_DOM} from './canUseDOM';
+
+declare global {
+  interface Document {
+    documentMode?: string;
+  }
+
+  interface Window {
+    MSStream?: unknown;
+  }
+}
+
+const documentMode =
+  CAN_USE_DOM && 'documentMode' in document ? document.documentMode : null;
+
+export const IS_APPLE: boolean =
+  CAN_USE_DOM && /Mac|iPod|iPhone|iPad/.test(navigator.platform);
+
+export const IS_FIREFOX: boolean =
+  CAN_USE_DOM && /^(?!.*Seamonkey)(?=.*Firefox).*/i.test(navigator.userAgent);
+
+export const CAN_USE_BEFORE_INPUT: boolean =
+  CAN_USE_DOM && 'InputEvent' in window && !documentMode
+    ? 'getTargetRanges' in new window.InputEvent('input')
+    : false;
+
+export const IS_SAFARI: boolean =
+  CAN_USE_DOM && /Version\/[\d.]+.*Safari/.test(navigator.userAgent);
+
+export const IS_IOS: boolean =
+  CAN_USE_DOM &&
+  /iPad|iPhone|iPod/.test(navigator.userAgent) &&
+  !window.MSStream;
+
+// Keep these in case we need to use them in the future.
+// export const IS_WINDOWS: boolean = CAN_USE_DOM && /Win/.test(navigator.platform);
+// export const IS_CHROME: boolean = CAN_USE_DOM && /^(?=.*Chrome).*/i.test(navigator.userAgent);
+// export const canUseTextInputEvent: boolean = CAN_USE_DOM && 'TextEvent' in window && !documentMode;

packages/blocks-editor/src/Lexical/Shared/invariant.ts

@@ -0,0 +1,17 @@
+// invariant(condition, message) will refine types based on "condition", and
+// if "condition" is false will throw an error. This function is special-cased
+// in flow itself, so we can't name it anything else.
+export default function invariant(
+  cond?: boolean,
+  message?: string,
+  ...args: string[]
+): asserts cond {
+  if (cond) {
+    return;
+  }
+
+  throw new Error(
+    'Internal Lexical error: invariant() is meant to be replaced at compile ' +
+      'time. There is no runtime version.',
+  );
+}

packages/blocks-editor/src/Lexical/Theme/IconComponent.tsx

@@ -0,0 +1,15 @@
+export const IconComponent = ({
+  children,
+  size = 20,
+  paddingTop = 0,
+}: {
+  children: React.ReactNode;
+  size?: number;
+  paddingTop?: number;
+}) => {
+  return (
+    <span className="svg-icon" style={{width: size, height: size, paddingTop}}>
+      {children}
+    </span>
+  );
+};

packages/blocks-editor/src/Lexical/Theme/Theme.ts

@@ -0,0 +1,101 @@
+import type {EditorThemeClasses} from 'lexical';
+
+const BlocksEditorTheme: EditorThemeClasses = {
+  characterLimit: 'Lexical__characterLimit',
+  code: 'Lexical__code',
+  codeHighlight: {
+    atrule: 'Lexical__tokenAttr',
+    attr: 'Lexical__tokenAttr',
+    boolean: 'Lexical__tokenProperty',
+    builtin: 'Lexical__tokenSelector',
+    cdata: 'Lexical__tokenComment',
+    char: 'Lexical__tokenSelector',
+    class: 'Lexical__tokenFunction',
+    'class-name': 'Lexical__tokenFunction',
+    comment: 'Lexical__tokenComment',
+    constant: 'Lexical__tokenProperty',
+    deleted: 'Lexical__tokenProperty',
+    doctype: 'Lexical__tokenComment',
+    entity: 'Lexical__tokenOperator',
+    function: 'Lexical__tokenFunction',
+    important: 'Lexical__tokenVariable',
+    inserted: 'Lexical__tokenSelector',
+    keyword: 'Lexical__tokenAttr',
+    namespace: 'Lexical__tokenVariable',
+    number: 'Lexical__tokenProperty',
+    operator: 'Lexical__tokenOperator',
+    prolog: 'Lexical__tokenComment',
+    property: 'Lexical__tokenProperty',
+    punctuation: 'Lexical__tokenPunctuation',
+    regex: 'Lexical__tokenVariable',
+    selector: 'Lexical__tokenSelector',
+    string: 'Lexical__tokenSelector',
+    symbol: 'Lexical__tokenProperty',
+    tag: 'Lexical__tokenProperty',
+    url: 'Lexical__tokenOperator',
+    variable: 'Lexical__tokenVariable',
+  },
+  embedBlock: {
+    base: 'Lexical__embedBlock',
+    focus: 'Lexical__embedBlockFocus',
+  },
+  hashtag: 'Lexical__hashtag',
+  heading: {
+    h1: 'Lexical__h1',
+    h2: 'Lexical__h2',
+    h3: 'Lexical__h3',
+    h4: 'Lexical__h4',
+    h5: 'Lexical__h5',
+    h6: 'Lexical__h6',
+  },
+  image: 'editor-image',
+  link: 'Lexical__link',
+  list: {
+    listitem: 'Lexical__listItem',
+    listitemChecked: 'Lexical__listItemChecked',
+    listitemUnchecked: 'Lexical__listItemUnchecked',
+    nested: {
+      listitem: 'Lexical__nestedListItem',
+    },
+    olDepth: [
+      'Lexical__ol1',
+      'Lexical__ol2',
+      'Lexical__ol3',
+      'Lexical__ol4',
+      'Lexical__ol5',
+    ],
+    ul: 'Lexical__ul',
+  },
+  ltr: 'Lexical__ltr',
+  mark: 'Lexical__mark',
+  markOverlap: 'Lexical__markOverlap',
+  paragraph: 'Lexical__paragraph',
+  quote: 'Lexical__quote',
+  rtl: 'Lexical__rtl',
+  table: 'Lexical__table',
+  tableAddColumns: 'Lexical__tableAddColumns',
+  tableAddRows: 'Lexical__tableAddRows',
+  tableCell: 'Lexical__tableCell',
+  tableCellActionButton: 'Lexical__tableCellActionButton',
+  tableCellActionButtonContainer: 'Lexical__tableCellActionButtonContainer',
+  tableCellEditing: 'Lexical__tableCellEditing',
+  tableCellHeader: 'Lexical__tableCellHeader',
+  tableCellPrimarySelected: 'Lexical__tableCellPrimarySelected',
+  tableCellResizer: 'Lexical__tableCellResizer',
+  tableCellSelected: 'Lexical__tableCellSelected',
+  tableCellSortedIndicator: 'Lexical__tableCellSortedIndicator',
+  tableResizeRuler: 'Lexical__tableCellResizeRuler',
+  tableSelected: 'Lexical__tableSelected',
+  text: {
+    bold: 'Lexical__textBold',
+    code: 'Lexical__textCode',
+    italic: 'Lexical__textItalic',
+    strikethrough: 'Lexical__textStrikethrough',
+    subscript: 'Lexical__textSubscript',
+    superscript: 'Lexical__textSuperscript',
+    underline: 'Lexical__textUnderline',
+    underlineStrikethrough: 'Lexical__textUnderlineStrikethrough',
+  },
+};
+
+export default BlocksEditorTheme;

packages/blocks-editor/src/Lexical/Theme/custom.scss

@@ -0,0 +1,11 @@
+@import '../Plugins//DraggableBlockPlugin/index.scss';
+
+#typeahead-menu {
+  z-index: 10000;
+}
+
+#blocks-editor {
+  p {
+    color: var(--sn-stylekit-editor-foreground-color);
+  }
+}

packages/blocks-editor/src/Lexical/Theme/editor.scss

@@ -0,0 +1,427 @@
+.Lexical__ltr {
+  text-align: left;
+}
+.Lexical__rtl {
+  text-align: right;
+}
+.Lexical__paragraph {
+  margin: 0;
+  position: relative;
+}
+.Lexical__quote {
+  margin: 0;
+  margin-left: 20px;
+  margin-bottom: 10px;
+  font-size: 15px;
+  color: rgb(101, 103, 107);
+  border-left-color: rgb(206, 208, 212);
+  border-left-width: 4px;
+  border-left-style: solid;
+  padding-left: 16px;
+}
+.Lexical__h1 {
+  font-size: 24px;
+  color: var(--sn-stylekit-editor-foreground-color);
+  font-weight: 400;
+  margin: 0;
+}
+.Lexical__h2 {
+  font-size: 15px;
+  color: var(--sn-stylekit-editor-foreground-color);
+  font-weight: 700;
+  margin: 0;
+  text-transform: uppercase;
+}
+.Lexical__h3 {
+  font-size: 12px;
+  margin: 0;
+  text-transform: uppercase;
+}
+.Lexical__textBold {
+  font-weight: bold;
+}
+.Lexical__textItalic {
+  font-style: italic;
+}
+.Lexical__textUnderline {
+  text-decoration: underline;
+}
+.Lexical__textStrikethrough {
+  text-decoration: line-through;
+}
+.Lexical__textUnderlineStrikethrough {
+  text-decoration: underline line-through;
+}
+.Lexical__textSubscript {
+  font-size: 0.8em;
+  vertical-align: sub !important;
+}
+.Lexical__textSuperscript {
+  font-size: 0.8em;
+  vertical-align: super;
+}
+.Lexical__textCode {
+  background-color: var(--sn-stylekit-secondary-background-color);
+  color: var(--sn-stylekit-info-color);
+  padding: 5px;
+  border-radius: 5px;
+  font-family: Menlo, Consolas, Monaco, monospace;
+  font-size: 85%;
+}
+.Lexical__hashtag {
+  background-color: rgba(88, 144, 255, 0.15);
+  border-bottom: 1px solid rgba(88, 144, 255, 0.3);
+}
+.Lexical__link {
+  color: var(--sn-stylekit-info-color);
+  text-decoration: none;
+}
+.Lexical__link:hover {
+  text-decoration: underline;
+}
+.Lexical__code {
+  background-color: var(--sn-stylekit-contrast-background-color);
+  font-family: Menlo, Consolas, Monaco, monospace;
+  display: block;
+  padding: 8px 8px 8px 52px;
+  line-height: 1.53;
+  font-size: 13px;
+  margin: 0;
+  margin-top: 8px;
+  margin-bottom: 8px;
+  tab-size: 2;
+  /* white-space: pre; */
+  overflow-x: auto;
+  position: relative;
+}
+.Lexical__code:before {
+  content: attr(data-gutter);
+  position: absolute;
+  background-color: var(--sn-stylekit-secondary-background-color);
+  left: 0;
+  top: 0;
+  border-right: 1px solid var(--sn-stylekit-contrast-border-color);
+  padding: 8px;
+  color: var(--sn-stylekit-info-color);
+  white-space: pre-wrap;
+  text-align: right;
+  min-width: 25px;
+}
+.Lexical__table {
+  border-collapse: collapse;
+  border-spacing: 0;
+  max-width: 100%;
+  overflow-y: scroll;
+  table-layout: fixed;
+  width: calc(100% - 25px);
+  margin: 30px 0;
+  color: var(--sn-stylekit-contrast-foreground-color);
+}
+.Lexical__tableSelected {
+  outline: 2px solid rgb(60, 132, 244);
+}
+.Lexical__tableCell {
+  border: 1px solid var(--sn-stylekit-border-color);
+  min-width: 75px;
+  vertical-align: top;
+  text-align: start;
+  padding: 6px 8px;
+  position: relative;
+  cursor: default;
+  outline: none;
+}
+.Lexical__tableCellSortedIndicator {
+  display: block;
+  opacity: 0.5;
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  height: 4px;
+  background-color: #999;
+}
+.Lexical__tableCellResizer {
+  position: absolute;
+  right: -4px;
+  height: 100%;
+  width: 8px;
+  cursor: ew-resize;
+  z-index: 10;
+  top: 0;
+}
+.Lexical__tableCellHeader {
+  background-color: var(--sn-stylekit-contrast-background-color);
+  border-color: var(--sn-stylekit-contrast-border-color);
+  text-align: start;
+}
+.Lexical__tableCellSelected {
+  background-color: #c9dbf0;
+}
+.Lexical__tableCellPrimarySelected {
+  border: 2px solid rgb(60, 132, 244);
+  display: block;
+  height: calc(100% - 2px);
+  position: absolute;
+  width: calc(100% - 2px);
+  left: -1px;
+  top: -1px;
+  z-index: 2;
+}
+.Lexical__tableCellEditing {
+  box-shadow: 0 0 5px rgba(0, 0, 0, 0.4);
+  border-radius: 3px;
+}
+.Lexical__tableAddColumns {
+  position: absolute;
+  top: 0;
+  width: 20px;
+  background-color: #eee;
+  height: 100%;
+  right: 0;
+  animation: table-controls 0.2s ease;
+  border: 0;
+  cursor: pointer;
+}
+.Lexical__tableAddColumns:after {
+  background-image: url(#{$blocks-editor-icons-path}/plus.svg);
+  background-size: contain;
+  background-position: center;
+  background-repeat: no-repeat;
+  display: block;
+  content: ' ';
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  opacity: 0.4;
+}
+.Lexical__tableAddColumns:hover {
+  background-color: #c9dbf0;
+}
+.Lexical__tableAddRows {
+  position: absolute;
+  bottom: -25px;
+  width: calc(100% - 25px);
+  background-color: #eee;
+  height: 20px;
+  left: 0;
+  animation: table-controls 0.2s ease;
+  border: 0;
+  cursor: pointer;
+}
+.Lexical__tableAddRows:after {
+  background-image: url(#{$blocks-editor-icons-path}/plus.svg);
+  background-size: contain;
+  background-position: center;
+  background-repeat: no-repeat;
+  display: block;
+  content: ' ';
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  opacity: 0.4;
+}
+.Lexical__tableAddRows:hover {
+  background-color: #c9dbf0;
+}
+@keyframes table-controls {
+  0% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
+}
+.Lexical__tableCellResizeRuler {
+  display: block;
+  position: absolute;
+  width: 1px;
+  background-color: rgb(60, 132, 244);
+  height: 100%;
+  top: 0;
+}
+.Lexical__tableCellActionButtonContainer {
+  display: block;
+  right: 5px;
+  top: 6px;
+  position: absolute;
+  z-index: 4;
+  width: 20px;
+  height: 20px;
+}
+.Lexical__tableCellActionButton {
+  background-color: #eee;
+  display: block;
+  border: 0;
+  border-radius: 20px;
+  width: 20px;
+  height: 20px;
+  color: #222;
+  cursor: pointer;
+}
+.Lexical__tableCellActionButton:hover {
+  background-color: #ddd;
+}
+.Lexical__characterLimit {
+  display: inline;
+  background-color: #ffbbbb !important;
+}
+.Lexical__ol1 {
+  padding: 0;
+  margin: 0;
+  margin-left: 16px;
+  list-style-position: inside;
+}
+.Lexical__ol2 {
+  padding: 0;
+  margin: 0;
+  margin-left: 16px;
+  list-style-type: upper-alpha;
+  list-style-position: inside;
+}
+.Lexical__ol3 {
+  padding: 0;
+  margin: 0;
+  margin-left: 16px;
+  list-style-type: lower-alpha;
+  list-style-position: inside;
+}
+.Lexical__ol4 {
+  padding: 0;
+  margin: 0;
+  margin-left: 16px;
+  list-style-type: upper-roman;
+  list-style-position: inside;
+}
+.Lexical__ol5 {
+  padding: 0;
+  margin: 0;
+  margin-left: 16px;
+  list-style-type: lower-roman;
+  list-style-position: inside;
+}
+.Lexical__ul {
+  padding: 0;
+  margin: 0;
+  margin-left: 16px;
+  list-style-position: inside;
+}
+.Lexical__listItem {
+  margin: 0 0px;
+}
+.Lexical__listItemChecked,
+.Lexical__listItemUnchecked {
+  position: relative;
+  margin-left: 8px;
+  margin-right: 8px;
+  padding-left: 24px;
+  padding-right: 24px;
+  list-style-type: none;
+  outline: none;
+  vertical-align: middle;
+}
+.Lexical__listItemChecked {
+  text-decoration: line-through;
+}
+.Lexical__listItemUnchecked:before,
+.Lexical__listItemChecked:before {
+  content: '';
+  width: 16px;
+  height: 16px;
+  left: 0;
+  top: 5px;
+  cursor: pointer;
+  background-size: cover;
+  position: absolute;
+}
+.Lexical__listItemUnchecked[dir='rtl']:before,
+.Lexical__listItemChecked[dir='rtl']:before {
+  left: auto;
+  right: 0;
+}
+.Lexical__listItemUnchecked:focus:before,
+.Lexical__listItemChecked:focus:before {
+  box-shadow: 0 0 0 2px #a6cdfe;
+  border-radius: 2px;
+}
+.Lexical__listItemUnchecked:before {
+  border: 1px solid #999;
+  border-radius: 2px;
+}
+.Lexical__listItemChecked:before {
+  border: 1px solid var(--sn-stylekit-info-color);
+  border-radius: 2px;
+  background-color: var(--sn-stylekit-info-color);
+  background-repeat: no-repeat;
+}
+.Lexical__listItemChecked:after {
+  content: '';
+  cursor: pointer;
+  border-color: var(--sn-stylekit-info-contrast-color);
+  border-style: solid;
+  position: absolute;
+  display: block;
+  top: 7px;
+  width: 5px;
+  left: 6px;
+  height: 10px;
+  transform: rotate(45deg);
+  border-width: 0 2px 2px 0;
+}
+.Lexical__nestedListItem {
+  list-style-type: none;
+}
+.Lexical__nestedListItem:before,
+.Lexical__nestedListItem:after {
+  display: none;
+}
+.Lexical__tokenComment {
+  color: slategray;
+}
+.Lexical__tokenPunctuation {
+  color: #999;
+}
+.Lexical__tokenProperty {
+  color: #905;
+}
+.Lexical__tokenSelector {
+  color: #690;
+}
+.Lexical__tokenOperator {
+  color: #9a6e3a;
+}
+.Lexical__tokenAttr {
+  color: #07a;
+}
+.Lexical__tokenVariable {
+  color: #e90;
+}
+.Lexical__tokenFunction {
+  color: #dd4a68;
+}
+.Lexical__mark {
+  background: rgba(255, 212, 0, 0.14);
+  border-bottom: 2px solid rgba(255, 212, 0, 0.3);
+  padding-bottom: 2px;
+}
+.Lexical__markOverlap {
+  background: rgba(255, 212, 0, 0.3);
+  border-bottom: 2px solid rgba(255, 212, 0, 0.7);
+}
+.Lexical__mark.selected {
+  background: rgba(255, 212, 0, 0.5);
+  border-bottom: 2px solid rgba(255, 212, 0, 1);
+}
+.Lexical__markOverlap.selected {
+  background: rgba(255, 212, 0, 0.7);
+  border-bottom: 2px solid rgba(255, 212, 0, 0.7);
+}
+.Lexical__embedBlock {
+  user-select: none;
+}
+.Lexical__embedBlockFocus {
+  outline: 2px solid rgb(60, 132, 244);
+}

packages/blocks-editor/src/Lexical/Theme/icons.scss

@@ -0,0 +1,117 @@
+.icon.plus {
+  background-image: url(#{$blocks-editor-icons-path}/plus.svg);
+}
+
+/**
+.icon.dropdown-more {
+background-image: url(#{$blocks-editor-icons-path}/dropdown-more.svg);
+}
+
+.icon.font-color {
+  background-image: url(#{$blocks-editor-icons-path}/font-color.svg);
+}
+
+.icon.font-family {
+  background-image: url(#{$blocks-editor-icons-path}/font-family.svg);
+}
+
+.icon.bg-color {
+  background-image: url(#{$blocks-editor-icons-path}/bg-color.svg);
+}
+
+i.palette {
+  background-image: url(#{$blocks-editor-icons-path}/palette.svg);
+}
+
+i.bucket {
+  background-image: url(#{$blocks-editor-icons-path}/paint-bucket.svg);
+}
+
+i.clear {
+  background-image: url(#{$blocks-editor-icons-path}/trash.svg);
+}
+
+i.image {
+  background-image: url(#{$blocks-editor-icons-path}/file-image.svg);
+}
+
+i.close {
+  background-image: url(#{$blocks-editor-icons-path}/close.svg);
+}
+
+i.figma {
+  background-image: url(#{$blocks-editor-icons-path}/figma.svg);
+}
+
+i.poll {
+  background-image: url(#{$blocks-editor-icons-path}/card-checklist.svg);
+}
+
+i.indent {
+  background-image: url(#{$blocks-editor-icons-path}/indent.svg);
+}
+
+i.markdown {
+  background-image: url(#{$blocks-editor-icons-path}/markdown.svg);
+}
+
+i.outdent {
+  background-image: url(#{$blocks-editor-icons-path}/outdent.svg);
+}
+
+i.undo {
+  background-image: url(#{$blocks-editor-icons-path}/arrow-counterclockwise.svg);
+}
+
+i.redo {
+  background-image: url(#{$blocks-editor-icons-path}/arrow-clockwise.svg);
+}
+
+i.sticky {
+  background-image: url(#{$blocks-editor-icons-path}/sticky.svg);
+}
+
+i.mic {
+  background-image: url(#{$blocks-editor-icons-path}/mic.svg);
+}
+
+i.import {
+  background-image: url(#{$blocks-editor-icons-path}/upload.svg);
+}
+
+i.export {
+  background-image: url(#{$blocks-editor-icons-path}/download.svg);
+}
+
+i.diagram-2 {
+  background-image: url(#{$blocks-editor-icons-path}/diagram-2.svg);
+}
+
+i.user {
+  background-image: url(#{$blocks-editor-icons-path}/user.svg);
+}
+
+i.equation {
+  background-image: url(#{$blocks-editor-icons-path}/plus-slash-minus.svg);
+}
+
+i.gif {
+  background-image: url(#{$blocks-editor-icons-path}/filetype-gif.svg);
+}
+
+i.copy {
+  background-image: url(#{$blocks-editor-icons-path}/copy.svg);
+}
+
+i.success {
+  background-image: url(#{$blocks-editor-icons-path}/success.svg);
+}
+
+i.prettier {
+  background-image: url(#{$blocks-editor-icons-path}/prettier.svg);
+}
+
+i.prettier-error {
+  background-image: url(#{$blocks-editor-icons-path}/prettier-error.svg);
+}
+*/

packages/blocks-editor/src/Lexical/Theme/lexical.scss

@@ -0,0 +1,5 @@
+@import 'base';
+@import 'custom';
+@import 'editor';
+@import 'icons';
+@import 'links';

packages/blocks-editor/src/Lexical/Theme/links.scss

@@ -0,0 +1,110 @@
+.button.active,
+.toolbar .button.active {
+  background-color: var(--sn-stylekit-contrast-background-color);
+}
+
+.link-editor {
+  background-color: var(--sn-stylekit-secondary-background-color);
+  border-radius: 8px;
+  border: 0;
+  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
+  box-sizing: border-box;
+  display: absolute;
+  font-family: inherit;
+  font-size: 15px;
+  left: 0;
+  margin: 8px 12px;
+  max-width: 400px;
+  opacity: 0;
+  outline: 0;
+  padding: 8px 12px;
+  position: absolute;
+  top: 0;
+  transition: opacity 0.5s;
+  width: 100%;
+  will-change: transform;
+  z-index: 10;
+}
+
+.link-input {
+  background-color: var(--sn-stylekit-background-color);
+  border-radius: 15px;
+  border: 0;
+  box-sizing: border-box;
+  color: var(--sn-stylekit-contrast-color);
+  display: absolute;
+  font-family: inherit;
+  font-size: 15px;
+  margin: 8px 12px;
+  outline: 0;
+  padding: 8px 12px;
+  position: relative;
+  width: calc(100% - 24px);
+}
+
+.link-editor div.link-edit {
+  display: flex;
+  align-items: center;
+  background-size: 16px;
+  background-position: center;
+  background-repeat: no-repeat;
+  vertical-align: -0.25em;
+  position: absolute;
+  right: 12px;
+  top: 0;
+  bottom: 0;
+  cursor: pointer;
+}
+
+.link-editor .link-input a {
+  color: rgb(33, 111, 219);
+  text-decoration: none;
+  display: block;
+  white-space: nowrap;
+  overflow: hidden;
+  margin-right: 30px;
+  text-overflow: ellipsis;
+}
+
+.link-editor .link-input a:hover {
+  text-decoration: underline;
+}
+
+.link-editor .font-size-wrapper,
+.link-editor .font-family-wrapper {
+  display: flex;
+  margin: 0 4px;
+}
+
+.link-editor select {
+  padding: 6px;
+  border: none;
+  background-color: rgba(0, 0, 0, 0.075);
+  border-radius: 4px;
+}
+
+.link-editor .button {
+  width: 20px;
+  height: 20px;
+  display: inline-block;
+  padding: 6px;
+  border-radius: 8px;
+  cursor: pointer;
+  margin: 0 2px;
+}
+
+.link-editor .button.hovered {
+  width: 20px;
+  height: 20px;
+  display: inline-block;
+  background-color: #eee;
+}
+
+.link-editor .button i,
+.actions i {
+  background-size: contain;
+  display: inline-block;
+  height: 20px;
+  width: 20px;
+  vertical-align: -0.25em;
+}

packages/blocks-editor/src/Lexical/UI/Button.css

@@ -0,0 +1,36 @@
+/**
+ * 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.
+ *
+ *
+ */
+
+.Button__root {
+  padding-top: 10px;
+  padding-bottom: 10px;
+  padding-left: 15px;
+  padding-right: 15px;
+  border: 0px;
+  background-color: #eee;
+  border-radius: 5px;
+  cursor: pointer;
+  font-size: 14px;
+}
+.Button__root:hover {
+  background-color: #ddd;
+}
+.Button__small {
+  padding-top: 5px;
+  padding-bottom: 5px;
+  padding-left: 10px;
+  padding-right: 10px;
+  font-size: 13px;
+}
+.Button__disabled {
+  cursor: not-allowed;
+}
+.Button__disabled:hover {
+  background-color: #eee;
+}