feat(generator-prisma-client): add Vitest + ESM example (#8285)

* feat(generator-prisma-client): add Vitest + ESM example

* feat(generator-prisma-client): minor fixes

---------

Co-authored-by: jkomyno <12381818+jkomyno@users.noreply.github.com>

Author: jkomyno

generator-prisma-client/vitest-esm-nodejs/.gitignore

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+node_modules
+src/generated
+prisma/dev.db
+dist

generator-prisma-client/vitest-esm-nodejs/README.md

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+# Prisma Client Example: Vitest + Node.js + ESM
+
+This project showcases how to use the Prisma ORM with the `prisma-client` generator in an TypeScript test suite using [Vitest 3](https://vitest.dev/) in an ESM Node.js environment.
+
+## Tech Stack
+
+- Next.js 15
+  - Runtime: Node.js 20.19.0
+  - Test runner: Vitest 3
+  - `package.json` contains `{ "type": "module" }`
+- Prisma Client with the `prisma-client` generator
+  See the [Prisma schema file](./prisma/schema.prisma) for details.
+  
+  ```prisma
+  generator client {
+    provider = "prisma-client"
+    output = "../src/generated/prisma"
+    previewFeatures = ["driverAdapters", "queryCompiler"]
+  }
+
+  datasource db {
+    provider  = "sqlite"
+    url       = "file:./dev.db"
+  }
+  ```
+
+## Getting started
+
+### 1. Clone the repository
+
+Clone the repository, navigate into it and install dependencies:
+
+```
+git clone git@github.com:prisma/prisma-examples.git --depth=1
+cd prisma-examples/generator-prisma-client/vitest-esm-nodejs
+pnpm install
+```
+
+### 2. Generate Prisma Client
+
+Run:
+
+```
+pnpm prisma generate
+```
+
+### 3. Test the project
+
+Run
+
+```
+pnpm test
+```
+
+Your output should look similar to the following:
+
+```sh
+Prisma schema loaded from prisma/schema.prisma
+Datasource "db": SQLite database "dev.db" at "file:./dev.db"
+Running Prisma DB push...
+
+ Test Files 0 passed (1)
+      Tests 0 passed (0)
+   Start at 14:38:33
+   Duration 910ms
+Test database setup completed
+ ✓ test/quotes.test.ts (3 tests) 63ms
+   ✓ Quotes > should create a quote 50ms
+   ✓ Quotes > should find quotes by kind 9ms
+   ✓ Quotes > should count total quotes 4ms
+
+ Test Files  1 passed (1)
+      Tests  3 passed (3)
+```
+
+## Resources
+
+- Check out the [Prisma docs](https://www.prisma.io/docs)
+- [Join our community on Discord](https://pris.ly/discord?utm_source=github&utm_medium=prisma_examples&utm_content=next_steps_section) to share feedback and interact with other users.
+- [Subscribe to our YouTube channel](https://pris.ly/youtube?utm_source=github&utm_medium=prisma_examples&utm_content=next_steps_section) for live demos and video tutorials.
+- [Follow us on X](https://pris.ly/x?utm_source=github&utm_medium=prisma_examples&utm_content=next_steps_section) for the latest updates.
+- Report issues or ask [questions on GitHub](https://pris.ly/github?utm_source=github&utm_medium=prisma_examples&utm_content=next_steps_section).

generator-prisma-client/vitest-esm-nodejs/package.json

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+{
+  "name": "vitest-esm-nodejs",
+  "type": "module",
+  "scripts": {
+    "prisma:generate": "prisma generate",
+    "clean": "rimraf ./src/generated ./dist",
+    "test": "vitest run",
+    "test:watch": "vitest"
+  },
+  "license": "MIT",
+  "packageManager": "pnpm@8.15.9+sha512.499434c9d8fdd1a2794ebf4552b3b25c0a633abcee5bb15e7b5de90f32f47b513aca98cd5cfd001c31f0db454bc3804edccd578501e4ca293a6816166bbd9f81",
+  "dependencies": {
+    "@prisma/adapter-better-sqlite3": "6.14.0",
+    "@prisma/client": "6.14.0"
+  },
+  "devDependencies": {
+    "@types/node": "18.19.117",
+    "execa": "^9.6.0",
+    "prisma": "6.14.0",
+    "rimraf": "6.0.1",
+    "typescript": "5.8.3",
+    "vitest": "^3.2.4"
+  }
+}