From 4c564145804ff90de643244fcf8f2b71ea1dff9b Mon Sep 17 00:00:00 2001
From: Bartosz Kaszubowski <gosimek@gmail.com>
Date: Mon, 12 Jan 2026 22:48:07 +0100
Subject: [PATCH 1/6] plugins: fix TS setup and tests

---
 .../package.json                              |   3 +-
 .../tsconfig.json                             |  15 +-
 .../remark-lint-no-dead-urls/jest.config.cjs  |  16 ++
 plugins/remark-lint-no-dead-urls/package.json |   9 +-
 .../src/__tests__/{index.js => index.ts}      |  90 +++++-----
 plugins/remark-lint-no-dead-urls/src/index.ts |   2 +-
 .../remark-lint-no-dead-urls/tsconfig.json    |  15 +-
 plugins/remark-snackplayer/package.json       |   7 +-
 plugins/remark-snackplayer/src/index.ts       |   5 +-
 plugins/remark-snackplayer/tests/index.ts     |   2 +-
 .../tests/output/output1.html                 |   1 +
 .../tests/output/output2.html                 |   2 +
 plugins/remark-snackplayer/tsconfig.json      |  13 +-
 yarn.lock                                     | 154 ++++++++++++++----
 14 files changed, 237 insertions(+), 97 deletions(-)
 create mode 100644 plugins/remark-lint-no-dead-urls/jest.config.cjs
 rename plugins/remark-lint-no-dead-urls/src/__tests__/{index.js => index.ts} (59%)

diff --git a/plugins/remark-codeblock-language-as-title/package.json b/plugins/remark-codeblock-language-as-title/package.json
index 9260aacc553..77e1d24e83c 100644
--- a/plugins/remark-codeblock-language-as-title/package.json
+++ b/plugins/remark-codeblock-language-as-title/package.json
@@ -21,6 +21,7 @@
   },
   "devDependencies": {
     "@types/mdast": "^4.0.4",
-    "remark": "^15.0.1"
+    "remark": "^15.0.1",
+    "typescript": "^5.9.3"
   }
 }
diff --git a/plugins/remark-codeblock-language-as-title/tsconfig.json b/plugins/remark-codeblock-language-as-title/tsconfig.json
index 2f8f8b925cb..3ca87f731c2 100644
--- a/plugins/remark-codeblock-language-as-title/tsconfig.json
+++ b/plugins/remark-codeblock-language-as-title/tsconfig.json
@@ -1,4 +1,13 @@
 {
-  "extends": "@react-native/typescript-config/tsconfig.json",
-  "include": ["./src"],
-}
+  "compilerOptions": {
+    "types": ["react", "node"],
+    "lib": ["ES2022", "DOM"],
+    "target": "es2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "allowSyntheticDefaultImports": true,
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true
+  },
+  "include": ["./src"]
+}
\ No newline at end of file
diff --git a/plugins/remark-lint-no-dead-urls/jest.config.cjs b/plugins/remark-lint-no-dead-urls/jest.config.cjs
new file mode 100644
index 00000000000..2163e389307
--- /dev/null
+++ b/plugins/remark-lint-no-dead-urls/jest.config.cjs
@@ -0,0 +1,16 @@
+module.exports = {
+  preset: 'ts-jest/presets/default-esm',
+  testEnvironment: 'node',
+  extensionsToTreatAsEsm: ['.ts'],
+  moduleFileExtensions: ['js', 'ts'],
+  testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.ts$',
+  transform: {
+    '^.+\\.ts$': [
+      'ts-jest',
+      {
+        useESM: true,
+        tsconfig: 'tsconfig.json',
+      },
+    ],
+  },
+};
diff --git a/plugins/remark-lint-no-dead-urls/package.json b/plugins/remark-lint-no-dead-urls/package.json
index 8d082298fe4..df953229928 100644
--- a/plugins/remark-lint-no-dead-urls/package.json
+++ b/plugins/remark-lint-no-dead-urls/package.json
@@ -18,15 +18,18 @@
     "test": "yarn node --experimental-vm-modules $(yarn bin jest)"
   },
   "dependencies": {
-    "got": "^14.6.4",
+    "got": "^14.6.6",
     "unified-lint-rule": "^3.0.1",
     "unist-util-visit": "^5.0.0",
     "vfile": "^6.0.3"
   },
   "devDependencies": {
+    "@types/jest": "^29.5.14",
     "@types/mdast": "^4.0.4",
-    "dedent": "^1.7.0",
+    "dedent": "^1.7.1",
     "jest": "^29.7.0",
-    "remark": "^15.0.1"
+    "remark": "^15.0.1",
+    "ts-jest": "^29.4.6",
+    "typescript": "^5.9.3"
   }
 }
diff --git a/plugins/remark-lint-no-dead-urls/src/__tests__/index.js b/plugins/remark-lint-no-dead-urls/src/__tests__/index.ts
similarity index 59%
rename from plugins/remark-lint-no-dead-urls/src/__tests__/index.js
rename to plugins/remark-lint-no-dead-urls/src/__tests__/index.ts
index 5d1ddcb6fc1..dc7c8d96d32 100644
--- a/plugins/remark-lint-no-dead-urls/src/__tests__/index.js
+++ b/plugins/remark-lint-no-dead-urls/src/__tests__/index.ts
@@ -5,39 +5,41 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import remark from 'remark';
+import {remark} from 'remark';
 import dedent from 'dedent';
-import {jest} from '@jest/globals';
+import {jest, describe, beforeEach, test, expect} from '@jest/globals';
 
-jest.unstable_mockModule('../lib.js', () => ({
-  fetch: jest.fn(),
+const mockFetch = jest.fn() as jest.MockedFunction<
+  (url: string, method: unknown, options?: object) => Promise<number>
+>;
+
+jest.unstable_mockModule('../lib.ts', () => ({
+  fetch: mockFetch,
 }));
 
-const {fetch} = await import('../lib.js');
-const plugin = (await import('../')).default;
+const plugin = (await import('../index.ts')).default;
 
-const processMarkdown = (md, opts) => {
+function processMarkdown(md: string, opts = {}) {
   return remark().use(plugin, opts).process(md);
-};
+}
 
 describe('remark-lint-no-dead-urls', () => {
-  beforeEach(() => fetch.mockReset());
+  beforeEach(() => mockFetch.mockReset());
 
-  test('works with no URLs', () => {
+  test('works with no URLs', async () => {
     const lint = processMarkdown(dedent`
       # Title
 
       No URLs in here.
     `);
 
-    return lint.then(vFile => {
-      expect(fetch).toHaveBeenCalledTimes(0);
-      expect(vFile.messages.length).toBe(0);
-    });
+    const vFile = await lint;
+    expect(mockFetch).toHaveBeenCalledTimes(0);
+    expect(vFile.messages.length).toBe(0);
   });
 
-  test('works a good, bad a local link', () => {
-    fetch.mockReturnValueOnce(200).mockReturnValueOnce(404);
+  test('works a good, bad a local link', async () => {
+    mockFetch.mockResolvedValueOnce(200).mockResolvedValueOnce(404);
 
     const lint = processMarkdown(
       dedent`
@@ -51,17 +53,16 @@ describe('remark-lint-no-dead-urls', () => {
     `
     );
 
-    return lint.then(vFile => {
-      expect(fetch).toHaveBeenCalledTimes(2);
-      expect(vFile.messages.length).toBe(1);
-      expect(vFile.messages[0].reason).toBe(
-        'Link to https://github.com/unified/oops is broken'
-      );
-    });
+    const vFile = await lint;
+    expect(mockFetch).toHaveBeenCalledTimes(2);
+    expect(vFile.messages.length).toBe(1);
+    expect(vFile.messages[0].reason).toBe(
+      'Link to https://github.com/unified/oops is broken'
+    );
   }, 15000);
 
-  test('works with definitions and images', () => {
-    fetch.mockReturnValueOnce(200).mockReturnValueOnce(404);
+  test('works with definitions and images', async () => {
+    mockFetch.mockResolvedValueOnce(200).mockResolvedValueOnce(404);
 
     const lint = processMarkdown(
       dedent`
@@ -80,27 +81,25 @@ describe('remark-lint-no-dead-urls', () => {
       }
     );
 
-    return lint.then(vFile => {
-      expect(fetch).toHaveBeenCalledTimes(2);
-      expect(vFile.messages.length).toBe(1);
-      expect(vFile.messages[0].reason).toBe('Link to /oops/broken is broken');
-    });
+    const vFile = await lint;
+    expect(mockFetch).toHaveBeenCalledTimes(2);
+    expect(vFile.messages.length).toBe(1);
+    expect(vFile.messages[0].reason).toBe('Link to /oops/broken is broken');
   });
 
-  test('skips URLs with unsupported protocols', () => {
+  test('skips URLs with unsupported protocols', async () => {
     const lint = processMarkdown(dedent`
       [Send me an email.](mailto:me@me.com)
       [Look at this file.](ftp://path/to/file.txt)
       [Special schema.](flopper://a/b/c)
     `);
 
-    return lint.then(vFile => {
-      expect(fetch).toHaveBeenCalledTimes(0);
-      expect(vFile.messages.length).toBe(0);
-    });
+    const vFile = await lint;
+    expect(mockFetch).toHaveBeenCalledTimes(0);
+    expect(vFile.messages.length).toBe(0);
   });
 
-  test('localhost', () => {
+  test('localhost', async () => {
     const lint = processMarkdown(
       dedent`
         - [http://localhost](http://localhost)
@@ -114,12 +113,11 @@ describe('remark-lint-no-dead-urls', () => {
       `
     );
 
-    return lint.then(vFile => {
-      expect(vFile.messages.length).toBe(0);
-    });
+    const vFile = await lint;
+    expect(vFile.messages.length).toBe(0);
   });
 
-  test('local IP 127.0.0.1', () => {
+  test('local IP 127.0.0.1', async () => {
     const lint = processMarkdown(
       dedent`
         - [http://127.0.0.1](http://127.0.0.1)
@@ -133,9 +131,8 @@ describe('remark-lint-no-dead-urls', () => {
       `
     );
 
-    return lint.then(vFile => {
-      expect(vFile.messages.length).toBe(0);
-    });
+    const vFile = await lint;
+    expect(vFile.messages.length).toBe(0);
   });
 
   test.each([
@@ -143,13 +140,12 @@ describe('remark-lint-no-dead-urls', () => {
     '[Ignore this](http://www.url-to-ignore.com/somePath)',
     '[Ignore this](http://www.url-to-ignore.com/somePath?withQuery=wow)',
     '[its complicated](http://url-to-ignore.com/somePath/maybe)',
-  ])('skipUrlPatterns for content: %s', markdownContent => {
+  ])('skipUrlPatterns for content: %s', async markdownContent => {
     const lint = processMarkdown(markdownContent, {
       skipUrlPatterns: [/^http:\/\/(.*)url-to-ignore\.com/],
     });
 
-    return lint.then(vFile => {
-      expect(vFile.messages.length).toBe(0);
-    });
+    const vFile = await lint;
+    expect(vFile.messages.length).toBe(0);
   });
 });
diff --git a/plugins/remark-lint-no-dead-urls/src/index.ts b/plugins/remark-lint-no-dead-urls/src/index.ts
index 40ca10305d6..a1f898fc4fc 100644
--- a/plugins/remark-lint-no-dead-urls/src/index.ts
+++ b/plugins/remark-lint-no-dead-urls/src/index.ts
@@ -14,7 +14,7 @@ import {lintRule} from 'unified-lint-rule';
 import {visit} from 'unist-util-visit';
 import type {VFile} from 'vfile';
 
-import {fetch} from './lib.js';
+import {fetch} from './lib.ts';
 
 const linkCache = new Map();
 
diff --git a/plugins/remark-lint-no-dead-urls/tsconfig.json b/plugins/remark-lint-no-dead-urls/tsconfig.json
index 2f8f8b925cb..3ca87f731c2 100644
--- a/plugins/remark-lint-no-dead-urls/tsconfig.json
+++ b/plugins/remark-lint-no-dead-urls/tsconfig.json
@@ -1,4 +1,13 @@
 {
-  "extends": "@react-native/typescript-config/tsconfig.json",
-  "include": ["./src"],
-}
+  "compilerOptions": {
+    "types": ["react", "node"],
+    "lib": ["ES2022", "DOM"],
+    "target": "es2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "allowSyntheticDefaultImports": true,
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true
+  },
+  "include": ["./src"]
+}
\ No newline at end of file
diff --git a/plugins/remark-snackplayer/package.json b/plugins/remark-snackplayer/package.json
index a6b38dc1762..0b3e47642f1 100644
--- a/plugins/remark-snackplayer/package.json
+++ b/plugins/remark-snackplayer/package.json
@@ -20,16 +20,15 @@
     "test": "yarn tape tests/index.ts"
   },
   "dependencies": {
-    "dedent": "^1.7.0",
-    "object.fromentries": "^2.0.8",
+    "dedent": "^1.7.1",
     "unist-util-visit-parents": "^3.1.1"
   },
   "devDependencies": {
     "@types/mdast": "^4.0.4",
-    "@types/object.fromentries": "^2.0.4",
     "@types/tape": "^5.8.1",
     "remark": "^15.0.1",
     "remark-mdx": "^3.1.1",
-    "tape": "^5.9.0"
+    "tape": "^5.9.0",
+    "typescript": "^5.9.3"
   }
 }
diff --git a/plugins/remark-snackplayer/src/index.ts b/plugins/remark-snackplayer/src/index.ts
index 9578105365b..ac404875cf5 100644
--- a/plugins/remark-snackplayer/src/index.ts
+++ b/plugins/remark-snackplayer/src/index.ts
@@ -8,12 +8,11 @@
 'use strict';
 
 import visit from 'unist-util-visit-parents';
-import fromEntries from 'object.fromentries';
 import type {Code} from 'mdast';
 import type {Node} from 'unist';
 
 function parseParams(paramString = '') {
-  const params = fromEntries(new URLSearchParams(paramString));
+  const params = Object.fromEntries(new URLSearchParams(paramString).entries());
 
   if (!params.platform) {
     params.platform = 'web';
@@ -90,7 +89,7 @@ export default function SnackPlayer() {
     const nodesToProcess: Promise<void>[] = [];
     visit(tree, 'code', (node: Node) => {
       if ('lang' in node && node.lang === 'SnackPlayer') {
-        nodesToProcess.push(toJsxNode(node as Code));
+        nodesToProcess.push(toJsxNode(node as unknown as Code));
       }
     });
     await Promise.all(nodesToProcess);
diff --git a/plugins/remark-snackplayer/tests/index.ts b/plugins/remark-snackplayer/tests/index.ts
index 2d6825eab1a..b0d0ca879d3 100644
--- a/plugins/remark-snackplayer/tests/index.ts
+++ b/plugins/remark-snackplayer/tests/index.ts
@@ -11,7 +11,7 @@ import {remark} from 'remark';
 import remarkMdx from 'remark-mdx';
 import test from 'tape';
 
-import SnackPlayer from '../src/index';
+import SnackPlayer from '../src/index.ts';
 
 function read(name: string) {
   return fs.readFileSync(path.join(import.meta.dirname, name), 'utf8');
diff --git a/plugins/remark-snackplayer/tests/output/output1.html b/plugins/remark-snackplayer/tests/output/output1.html
index 35faf9ece21..3080ebb7414 100644
--- a/plugins/remark-snackplayer/tests/output/output1.html
+++ b/plugins/remark-snackplayer/tests/output/output1.html
@@ -9,5 +9,6 @@
   data-snack-theme="light"
   data-snack-preview="true"
   data-snack-loading="lazy"
+  data-snack-device-appearance="light"
   data-snack-device-frame="false"
 />
diff --git a/plugins/remark-snackplayer/tests/output/output2.html b/plugins/remark-snackplayer/tests/output/output2.html
index b0c485b813d..bc678bf4b7f 100644
--- a/plugins/remark-snackplayer/tests/output/output2.html
+++ b/plugins/remark-snackplayer/tests/output/output2.html
@@ -9,6 +9,7 @@
   data-snack-theme="light"
   data-snack-preview="true"
   data-snack-loading="lazy"
+  data-snack-device-appearance="light"
   data-snack-device-frame="false"
 />
 <div
@@ -22,5 +23,6 @@
   data-snack-theme="dark"
   data-snack-preview="false"
   data-snack-loading="eager"
+  data-snack-device-appearance="light"
   data-snack-device-frame="false"
 />
diff --git a/plugins/remark-snackplayer/tsconfig.json b/plugins/remark-snackplayer/tsconfig.json
index c357a2c304f..0d5ce289a4e 100644
--- a/plugins/remark-snackplayer/tsconfig.json
+++ b/plugins/remark-snackplayer/tsconfig.json
@@ -1,4 +1,13 @@
 {
-  "extends": "@react-native/typescript-config/tsconfig.json",
-  "include": ["./src", "./tests"],
+  "compilerOptions": {
+    "types": ["react", "node"],
+    "lib": ["ES2022", "DOM"],
+    "target": "es2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "allowSyntheticDefaultImports": true,
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true
+  },
+  "include": ["./src", "./tests"]
 }
diff --git a/yarn.lock b/yarn.lock
index 918e9bfcbe4..54237ae18ba 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4334,6 +4334,7 @@ __metadata:
   dependencies:
     "@types/mdast": "npm:^4.0.4"
     remark: "npm:^15.0.1"
+    typescript: "npm:^5.9.3"
     unist-util-visit: "npm:^5.0.0"
   languageName: unknown
   linkType: soft
@@ -4342,11 +4343,14 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@react-native-website/remark-lint-no-broken-external-links@workspace:plugins/remark-lint-no-dead-urls"
   dependencies:
+    "@types/jest": "npm:^29.5.14"
     "@types/mdast": "npm:^4.0.4"
-    dedent: "npm:^1.7.0"
-    got: "npm:^14.6.4"
+    dedent: "npm:^1.7.1"
+    got: "npm:^14.6.6"
     jest: "npm:^29.7.0"
     remark: "npm:^15.0.1"
+    ts-jest: "npm:^29.4.6"
+    typescript: "npm:^5.9.3"
     unified-lint-rule: "npm:^3.0.1"
     unist-util-visit: "npm:^5.0.0"
     vfile: "npm:^6.0.3"
@@ -4358,13 +4362,12 @@ __metadata:
   resolution: "@react-native-website/remark-snackplayer@workspace:plugins/remark-snackplayer"
   dependencies:
     "@types/mdast": "npm:^4.0.4"
-    "@types/object.fromentries": "npm:^2.0.4"
     "@types/tape": "npm:^5.8.1"
-    dedent: "npm:^1.7.0"
-    object.fromentries: "npm:^2.0.8"
+    dedent: "npm:^1.7.1"
     remark: "npm:^15.0.1"
     remark-mdx: "npm:^3.1.1"
     tape: "npm:^5.9.0"
+    typescript: "npm:^5.9.3"
     unist-util-visit-parents: "npm:^3.1.1"
   languageName: unknown
   linkType: soft
@@ -5677,6 +5680,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/jest@npm:^29.5.14":
+  version: 29.5.14
+  resolution: "@types/jest@npm:29.5.14"
+  dependencies:
+    expect: "npm:^29.0.0"
+    pretty-format: "npm:^29.0.0"
+  checksum: 10c0/18e0712d818890db8a8dab3d91e9ea9f7f19e3f83c2e50b312f557017dc81466207a71f3ed79cf4428e813ba939954fa26ffa0a9a7f153181ba174581b1c2aed
+  languageName: node
+  linkType: hard
+
 "@types/json-schema@npm:*, @types/json-schema@npm:^7.0.15, @types/json-schema@npm:^7.0.8, @types/json-schema@npm:^7.0.9":
   version: 7.0.15
   resolution: "@types/json-schema@npm:7.0.15"
@@ -5780,13 +5793,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/object.fromentries@npm:^2.0.4":
-  version: 2.0.4
-  resolution: "@types/object.fromentries@npm:2.0.4"
-  checksum: 10c0/356399be5e80e75cb00b0746a04ce4ec642de8aee375aa7d445d71c3c6db0a9ea811c825f2b202eb232dd7b744f8a67fead865b325505b6186f77c0fc19aaa4e
-  languageName: node
-  linkType: hard
-
 "@types/prismjs@npm:^1.26.0":
   version: 1.26.5
   resolution: "@types/prismjs@npm:1.26.5"
@@ -7149,6 +7155,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"bs-logger@npm:^0.2.6":
+  version: 0.2.6
+  resolution: "bs-logger@npm:0.2.6"
+  dependencies:
+    fast-json-stable-stringify: "npm:2.x"
+  checksum: 10c0/80e89aaaed4b68e3374ce936f2eb097456a0dddbf11f75238dbd53140b1e39259f0d248a5089ed456f1158984f22191c3658d54a713982f676709fbe1a6fa5a0
+  languageName: node
+  linkType: hard
+
 "bser@npm:2.1.1":
   version: 2.1.1
   resolution: "bser@npm:2.1.1"
@@ -8378,15 +8393,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"dedent@npm:^1.0.0, dedent@npm:^1.7.0":
-  version: 1.7.0
-  resolution: "dedent@npm:1.7.0"
+"dedent@npm:^1.0.0, dedent@npm:^1.7.1":
+  version: 1.7.1
+  resolution: "dedent@npm:1.7.1"
   peerDependencies:
     babel-plugin-macros: ^3.1.0
   peerDependenciesMeta:
     babel-plugin-macros:
       optional: true
-  checksum: 10c0/c5e8a8beb5072bd5e520cb64b27a82d7ec3c2a63ee5ce47dbc2a05d5b7700cefd77a992a752cd0a8b1d979c1db06b14fb9486e805f3ad6088eda6e07cd9bf2d5
+  checksum: 10c0/ae29ec1c5bd5216c698c9f23acaa5b720260fd4cef3c8b5af887eb5f8c9e6fdd5fed8668767437b4efea35e2991bd798987717633411a1734807c28255769b78
   languageName: node
   linkType: hard
 
@@ -9777,7 +9792,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"expect@npm:^29.7.0":
+"expect@npm:^29.0.0, expect@npm:^29.7.0":
   version: 29.7.0
   resolution: "expect@npm:29.7.0"
   dependencies:
@@ -9879,7 +9894,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-json-stable-stringify@npm:^2.0.0, fast-json-stable-stringify@npm:^2.1.0":
+"fast-json-stable-stringify@npm:2.x, fast-json-stable-stringify@npm:^2.0.0, fast-json-stable-stringify@npm:^2.1.0":
   version: 2.1.0
   resolution: "fast-json-stable-stringify@npm:2.1.0"
   checksum: 10c0/7f081eb0b8a64e0057b3bb03f974b3ef00135fbf36c1c710895cd9300f13c94ba809bb3a81cf4e1b03f6e5285610a61abbd7602d0652de423144dfee5a389c9b
@@ -10582,9 +10597,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"got@npm:^14.6.4":
-  version: 14.6.4
-  resolution: "got@npm:14.6.4"
+"got@npm:^14.6.6":
+  version: 14.6.6
+  resolution: "got@npm:14.6.6"
   dependencies:
     "@sindresorhus/is": "npm:^7.0.1"
     byte-counter: "npm:^0.1.0"
@@ -10598,7 +10613,7 @@ __metadata:
     p-cancelable: "npm:^4.0.1"
     responselike: "npm:^4.0.2"
     type-fest: "npm:^4.26.1"
-  checksum: 10c0/ee8980feb842db876cffa42fa27da6d90cc1a9cfe2a38942f4b319cbb37c000e34919a7e5dea017a0fa53b0535c02d00426abbbf528d6a4e89c6eb07b2bde977
+  checksum: 10c0/dab4dbd35deac5634450cd745187ba68cfb9fd8d9236bec4861b633c7dc54f6383fde04cf504b16148625c307a229ff8cccf35d6622824ab13243c9d0af0fcc1
   languageName: node
   linkType: hard
 
@@ -10644,6 +10659,24 @@ __metadata:
   languageName: node
   linkType: hard
 
+"handlebars@npm:^4.7.8":
+  version: 4.7.8
+  resolution: "handlebars@npm:4.7.8"
+  dependencies:
+    minimist: "npm:^1.2.5"
+    neo-async: "npm:^2.6.2"
+    source-map: "npm:^0.6.1"
+    uglify-js: "npm:^3.1.4"
+    wordwrap: "npm:^1.0.0"
+  dependenciesMeta:
+    uglify-js:
+      optional: true
+  bin:
+    handlebars: bin/handlebars
+  checksum: 10c0/7aff423ea38a14bb379316f3857fe0df3c5d66119270944247f155ba1f08e07a92b340c58edaa00cfe985c21508870ee5183e0634dcb53dd405f35c93ef7f10d
+  languageName: node
+  linkType: hard
+
 "hard-rejection@npm:^2.1.0":
   version: 2.1.0
   resolution: "hard-rejection@npm:2.1.0"
@@ -13447,6 +13480,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"make-error@npm:^1.3.6":
+  version: 1.3.6
+  resolution: "make-error@npm:1.3.6"
+  checksum: 10c0/171e458d86854c6b3fc46610cfacf0b45149ba043782558c6875d9f42f222124384ad0b468c92e996d815a8a2003817a710c0a160e49c1c394626f76fa45396f
+  languageName: node
+  linkType: hard
+
 "make-fetch-happen@npm:^14.0.3":
   version: 14.0.3
   resolution: "make-fetch-happen@npm:14.0.3"
@@ -15426,7 +15466,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"minimist@npm:^1.0.0, minimist@npm:^1.2.0, minimist@npm:^1.2.8":
+"minimist@npm:^1.0.0, minimist@npm:^1.2.0, minimist@npm:^1.2.5, minimist@npm:^1.2.8":
   version: 1.2.8
   resolution: "minimist@npm:1.2.8"
   checksum: 10c0/19d3fcdca050087b84c2029841a093691a91259a47def2f18222f41e7645a0b7c44ef4b40e88a1e58a40c84d2ef0ee6047c55594d298146d0eb3f6b737c20ce6
@@ -17522,7 +17562,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"pretty-format@npm:^29.7.0":
+"pretty-format@npm:^29.0.0, pretty-format@npm:^29.7.0":
   version: 29.7.0
   resolution: "pretty-format@npm:29.7.0"
   dependencies:
@@ -19159,12 +19199,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"semver@npm:^7.1.1, semver@npm:^7.1.3, semver@npm:^7.3.4, semver@npm:^7.3.5, semver@npm:^7.3.7, semver@npm:^7.5.3, semver@npm:^7.5.4, semver@npm:^7.6.0, semver@npm:^7.7.1":
-  version: 7.7.2
-  resolution: "semver@npm:7.7.2"
+"semver@npm:^7.1.1, semver@npm:^7.1.3, semver@npm:^7.3.4, semver@npm:^7.3.5, semver@npm:^7.3.7, semver@npm:^7.5.3, semver@npm:^7.5.4, semver@npm:^7.6.0, semver@npm:^7.7.1, semver@npm:^7.7.3":
+  version: 7.7.3
+  resolution: "semver@npm:7.7.3"
   bin:
     semver: bin/semver.js
-  checksum: 10c0/aca305edfbf2383c22571cb7714f48cadc7ac95371b4b52362fb8eeffdfbc0de0669368b82b2b15978f8848f01d7114da65697e56cd8c37b0dab8c58e543f9ea
+  checksum: 10c0/4afe5c986567db82f44c8c6faef8fe9df2a9b1d98098fc1721f57c696c4c21cebd572f297fc21002f81889492345b8470473bc6f4aff5fb032a6ea59ea2bc45e
   languageName: node
   linkType: hard
 
@@ -20476,6 +20516,46 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ts-jest@npm:^29.4.6":
+  version: 29.4.6
+  resolution: "ts-jest@npm:29.4.6"
+  dependencies:
+    bs-logger: "npm:^0.2.6"
+    fast-json-stable-stringify: "npm:^2.1.0"
+    handlebars: "npm:^4.7.8"
+    json5: "npm:^2.2.3"
+    lodash.memoize: "npm:^4.1.2"
+    make-error: "npm:^1.3.6"
+    semver: "npm:^7.7.3"
+    type-fest: "npm:^4.41.0"
+    yargs-parser: "npm:^21.1.1"
+  peerDependencies:
+    "@babel/core": ">=7.0.0-beta.0 <8"
+    "@jest/transform": ^29.0.0 || ^30.0.0
+    "@jest/types": ^29.0.0 || ^30.0.0
+    babel-jest: ^29.0.0 || ^30.0.0
+    jest: ^29.0.0 || ^30.0.0
+    jest-util: ^29.0.0 || ^30.0.0
+    typescript: ">=4.3 <6"
+  peerDependenciesMeta:
+    "@babel/core":
+      optional: true
+    "@jest/transform":
+      optional: true
+    "@jest/types":
+      optional: true
+    babel-jest:
+      optional: true
+    esbuild:
+      optional: true
+    jest-util:
+      optional: true
+  bin:
+    ts-jest: cli.js
+  checksum: 10c0/013dda99ac938cd4b94bae9323ed1b633cd295976c256d596d01776866188078fe7b82b8b3ebd05deb401b27b5618d9d76208eded2568661240ecf9694a5c933
+  languageName: node
+  linkType: hard
+
 "tslib@npm:^2.0.0, tslib@npm:^2.0.3, tslib@npm:^2.4.0, tslib@npm:^2.6.0, tslib@npm:^2.8.1":
   version: 2.8.1
   resolution: "tslib@npm:2.8.1"
@@ -20541,7 +20621,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"type-fest@npm:^4.26.1":
+"type-fest@npm:^4.26.1, type-fest@npm:^4.41.0":
   version: 4.41.0
   resolution: "type-fest@npm:4.41.0"
   checksum: 10c0/f5ca697797ed5e88d33ac8f1fec21921839871f808dc59345c9cf67345bfb958ce41bd821165dbf3ae591cedec2bf6fe8882098dfdd8dc54320b859711a2c1e4
@@ -20662,6 +20742,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"uglify-js@npm:^3.1.4":
+  version: 3.19.3
+  resolution: "uglify-js@npm:3.19.3"
+  bin:
+    uglifyjs: bin/uglifyjs
+  checksum: 10c0/83b0a90eca35f778e07cad9622b80c448b6aad457c9ff8e568afed978212b42930a95f9e1be943a1ffa4258a3340fbb899f41461131c05bb1d0a9c303aed8479
+  languageName: node
+  linkType: hard
+
 "unbox-primitive@npm:^1.1.0":
   version: 1.1.0
   resolution: "unbox-primitive@npm:1.1.0"
@@ -21849,6 +21938,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"wordwrap@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "wordwrap@npm:1.0.0"
+  checksum: 10c0/7ed2e44f3c33c5c3e3771134d2b0aee4314c9e49c749e37f464bf69f2bcdf0cbf9419ca638098e2717cff4875c47f56a007532f6111c3319f557a2ca91278e92
+  languageName: node
+  linkType: hard
+
 "workbox-background-sync@npm:7.3.0":
   version: 7.3.0
   resolution: "workbox-background-sync@npm:7.3.0"

From 09c93053b8ad745fd895556b5b37a02d61a5553b Mon Sep 17 00:00:00 2001
From: Simek <gosimek@gmail.com>
Date: Mon, 12 Jan 2026 23:12:57 +0100
Subject: [PATCH 2/6] sanitize tape input/output, run plugins checks on CI

---
 .github/workflows/pre-merge.yml           | 12 ++++++++++++
 plugins/remark-snackplayer/tests/index.ts | 16 ++++++++++++++--
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pre-merge.yml b/.github/workflows/pre-merge.yml
index 64bd70fbb99..f0af7b44ebf 100644
--- a/.github/workflows/pre-merge.yml
+++ b/.github/workflows/pre-merge.yml
@@ -37,6 +37,18 @@ jobs:
         working-directory: website
         run: yarn ci:lint
 
+      - name: Run remark-codeblock-language-as-title plugin checks
+        working-directory: plugins/remark-codeblock-language-as-title
+        run: yarn lint
+
+      - name: Run remark-lint-no-dead-urls plugin checks
+        working-directory: plugins/remark-lint-no-dead-urls
+        run: yarn lint && yarn test
+
+      - name: Run remark-snackplayer plugin checks
+        working-directory: plugins/remark-snackplayer
+        run: yarn lint && yarn test
+
   build:
     runs-on: ubuntu-latest
     steps:
diff --git a/plugins/remark-snackplayer/tests/index.ts b/plugins/remark-snackplayer/tests/index.ts
index b0d0ca879d3..5522c3f2726 100644
--- a/plugins/remark-snackplayer/tests/index.ts
+++ b/plugins/remark-snackplayer/tests/index.ts
@@ -17,18 +17,30 @@ function read(name: string) {
   return fs.readFileSync(path.join(import.meta.dirname, name), 'utf8');
 }
 
+function cleanupStringContent(content: string) {
+  return content.replaceAll('\r\n', '\n').trim().replace(/\s+/g, '');
+}
+
 test('remark-snackplayer', async t => {
   const processor = remark().use(remarkMdx).use(SnackPlayer);
 
   const in1 = read('markdown/test1.md');
   const out1 = read('output/output1.html');
   const file1 = await processor.process(in1);
-  t.equal(String(file1), out1, 'With 1 Code Block');
+  t.equal(
+    cleanupStringContent(String(file1)),
+    cleanupStringContent(out1),
+    'With 1 Code Block'
+  );
 
   const in2 = read('markdown/test2.md');
   const out2 = read('output/output2.html');
   const file2 = await processor.process(in2);
-  t.equal(String(file2), out2, 'With 2 Code Blocks');
+  t.equal(
+    cleanupStringContent(String(file2)),
+    cleanupStringContent(out2),
+    'With 2 Code Blocks'
+  );
 
   t.end();
 });

From 398a213ff9b1ed0d54d34ee5a9703cc5ac9efd08 Mon Sep 17 00:00:00 2001
From: Simek <gosimek@gmail.com>
Date: Mon, 12 Jan 2026 23:22:00 +0100
Subject: [PATCH 3/6] split up checks to workspace and website, use root
 commands

---
 .github/workflows/pre-merge.yml | 39 +++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/pre-merge.yml b/.github/workflows/pre-merge.yml
index f0af7b44ebf..1c7faf50c65 100644
--- a/.github/workflows/pre-merge.yml
+++ b/.github/workflows/pre-merge.yml
@@ -6,7 +6,7 @@ on:
       - main
 
 jobs:
-  lint:
+  lint-workspace:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
@@ -30,24 +30,45 @@ jobs:
       - name: Check dependencies alignment
         run: yarn check-dependencies
 
-      - name: Run Workspace Lint
-        run: yarn lint
+      - name: Run packages lint
+        run: yarn lint:packages
 
-      - name: Run Website Specific Lints
-        working-directory: website
-        run: yarn ci:lint
+      - name: Run plugins lint
+        run: yarn lint:plugins
 
       - name: Run remark-codeblock-language-as-title plugin checks
         working-directory: plugins/remark-codeblock-language-as-title
-        run: yarn lint
+        run: yarn tsc
 
       - name: Run remark-lint-no-dead-urls plugin checks
         working-directory: plugins/remark-lint-no-dead-urls
-        run: yarn lint && yarn test
+        run: yarn tsc && yarn test
 
       - name: Run remark-snackplayer plugin checks
         working-directory: plugins/remark-snackplayer
-        run: yarn lint && yarn test
+        run: yarn tsc && yarn test
+
+  lint-website:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Enable Corepack
+        run: corepack enable
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: "22"
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Run Website Specific Lints
+        working-directory: website
+        run: yarn ci:lint
 
   build:
     runs-on: ubuntu-latest

From c963f49fbcffebebf63686a3a2b02b4fe5137924 Mon Sep 17 00:00:00 2001
From: Simek <gosimek@gmail.com>
Date: Mon, 12 Jan 2026 23:24:22 +0100
Subject: [PATCH 4/6] add `noEmit` compiler option

---
 plugins/remark-codeblock-language-as-title/tsconfig.json | 5 +++--
 plugins/remark-lint-no-dead-urls/tsconfig.json           | 5 +++--
 plugins/remark-snackplayer/tsconfig.json                 | 3 ++-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/plugins/remark-codeblock-language-as-title/tsconfig.json b/plugins/remark-codeblock-language-as-title/tsconfig.json
index 3ca87f731c2..8b1734cb7a2 100644
--- a/plugins/remark-codeblock-language-as-title/tsconfig.json
+++ b/plugins/remark-codeblock-language-as-title/tsconfig.json
@@ -7,7 +7,8 @@
     "moduleResolution": "NodeNext",
     "allowSyntheticDefaultImports": true,
     "allowImportingTsExtensions": true,
-    "isolatedModules": true
+    "isolatedModules": true,
+    "noEmit": true
   },
   "include": ["./src"]
-}
\ No newline at end of file
+}
diff --git a/plugins/remark-lint-no-dead-urls/tsconfig.json b/plugins/remark-lint-no-dead-urls/tsconfig.json
index 3ca87f731c2..8b1734cb7a2 100644
--- a/plugins/remark-lint-no-dead-urls/tsconfig.json
+++ b/plugins/remark-lint-no-dead-urls/tsconfig.json
@@ -7,7 +7,8 @@
     "moduleResolution": "NodeNext",
     "allowSyntheticDefaultImports": true,
     "allowImportingTsExtensions": true,
-    "isolatedModules": true
+    "isolatedModules": true,
+    "noEmit": true
   },
   "include": ["./src"]
-}
\ No newline at end of file
+}
diff --git a/plugins/remark-snackplayer/tsconfig.json b/plugins/remark-snackplayer/tsconfig.json
index 0d5ce289a4e..8a4fbdb8168 100644
--- a/plugins/remark-snackplayer/tsconfig.json
+++ b/plugins/remark-snackplayer/tsconfig.json
@@ -7,7 +7,8 @@
     "moduleResolution": "NodeNext",
     "allowSyntheticDefaultImports": true,
     "allowImportingTsExtensions": true,
-    "isolatedModules": true
+    "isolatedModules": true,
+    "noEmit": true
   },
   "include": ["./src", "./tests"]
 }

From a8e50166cf8c4c9f3ff1ba33180faae49fb92ea5 Mon Sep 17 00:00:00 2001
From: Simek <gosimek@gmail.com>
Date: Mon, 12 Jan 2026 23:28:59 +0100
Subject: [PATCH 5/6] website: add regular lint to CI command

---
 website/package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/website/package.json b/website/package.json
index 20d297e6707..59ea93d5a8b 100644
--- a/website/package.json
+++ b/website/package.json
@@ -28,7 +28,7 @@
     "lint:examples": "eslint-examples-jsx && eslint-examples-tsx && tsc-examples",
     "lint:markdown:images": "node ../scripts/src/image-check.ts",
     "lint:markdown:links": "remark ../docs --quiet -r .remarkrc.withBrokenLinks.mjs",
-    "ci:lint": "yarn lint:examples && yarn lint:markdown:images && prettier --check src/**/*.scss",
+    "ci:lint": "yarn lint && yarn lint:examples && yarn lint:markdown:images && prettier --check src/**/*.scss",
     "pwa:generate": "npx pwa-asset-generator ./static/img/header_logo.svg ./static/img/pwa --padding '40px' --background 'rgb(32, 35, 42)' --icon-only --opaque true",
     "update-redirects": "node ../scripts/src/update-redirects.ts"
   },

From 40b40043bffa25bc9e889ca4e6f0172eb51179d0 Mon Sep 17 00:00:00 2001
From: Bartosz Kaszubowski <gosimek@gmail.com>
Date: Tue, 13 Jan 2026 13:49:01 +0100
Subject: [PATCH 6/6] rename job to unblock CI

---
 .github/workflows/pre-merge.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-merge.yml b/.github/workflows/pre-merge.yml
index 1c7faf50c65..a5c5ffe74cb 100644
--- a/.github/workflows/pre-merge.yml
+++ b/.github/workflows/pre-merge.yml
@@ -6,7 +6,7 @@ on:
       - main
 
 jobs:
-  lint-workspace:
+  lint:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository