feat(jest-to-node-test-runner): add initial implementation

recipes/jest-to-node-test/README.md

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+# Jest to Node Test
+
+This package transforms Jest test files into `node:test` files.
+
+This is a one-and-done process, and the updated source-code should be committed to your version control (eg git); thereafter, source-code import statements should be authored compliant with the ECMAScript (JavaScript) standard.
+
+## TODO:
+
+- Remove `jest`, `@types/jest`, `@jest/globals` and related modules from `package.json`
+- Check/install `expect`
+- Update `package.json` scripts that use `jest`
+- remove `jest` config files
+- remove `jest` config from `package.json` and `tsconfig.json`
+- Migrate snapshots ✅
+- Convert mocks ✅
+- Convert setup/teardown files
+- Migrate assertions
+- Migrate test/it config (e.g. timeout)
+- Migrate suite methods (e.g. `it.each`)
+- Check non-TS CJS/ESM support

recipes/jest-to-node-test/codemod.yaml

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+schema_version: "1.0"
+name: "@nodejs/jest-to-node-test-runner"
+version: 1.0.0
+description: Convert Jest tests to Node Test Runner tests
+author: Carlos Espa
+license: MIT
+workflow: workflow.yaml
+category: migration
+
+targets:
+  languages:
+    - javascript
+    - typescript
+
+keywords:
+  - transformation
+  - migration
+
+registry:
+  access: public
+  visibility: public

recipes/jest-to-node-test/package.json

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+{
+  "name": "@nodejs/jest-to-node-test",
+  "version": "1.0.0-rc.1",
+  "description": "Convert Jest tests to node:test tests",
+  "type": "module",
+  "main": "./src/workflow.ts",
+  "scripts": {
+    "test": "npx codemod@next jssg test -l typescript ./src/workflow.ts ./"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/nodejs/userland-migrations.git",
+    "directory": "recipes/jest-to-node-test-runner",
+    "bugs": "https://github.com/nodejs/userland-migrations/issues"
+  },
+  "author": "Carlos Espa",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/nodejs/userland-migrations/issues"
+  },
+  "homepage": "https://github.com/nodejs/userland-migrations/tree/main/jest-to-node-test-runner#readme",
+  "devDependencies": {
+    "@codemod.com/jssg-types": "^1.0.3",
+    "@types/node": "^24.2.0"
+  },
+  "dependencies": {
+    "@jest/globals": "^30.2.0",
+    "@nodejs/codemod-utils": "*",
+    "expect": "^30.2.0"
+  }
+}