first commit

.gitignore

@@ -0,0 +1,6 @@
+node_modules/
+.next/
+
+.vercel
+.idea
+.env

.vscode/settings.json

@@ -0,0 +1,10 @@
+{
+  "spellright.language": [
+    "en"
+  ],
+  "spellright.documentTypes": [
+    "markdown",
+    "latex",
+    "plaintext"
+  ]
+}

LICENSE

@@ -0,0 +1,210 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {2017} {PingCap.Inc}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+--------------------------------------------------------------------------------
+
+This project include code from caniuse-lite project.
+
+https://github.com/browserslist/caniuse-lite
+
+Homepage: https://github.com/browserslist/caniuse-lite
+License: Creative Commons Attribution 4.0 International Public License https://creativecommons.org/licenses/by/4.0/

README.md

@@ -0,0 +1,139 @@
+# Prisma Edge functions
+
+> Modified from [prisma-edge-functions](https://github.com/ruheni/prisma-edge-functions). Thanks for their excellent work.
+
+Edge functions are serverless functions at The Edge. They are written in JavaScript or TypeScript and run on a global network. It allows running server-side code geographically close to end users and enjoy lower latency.
+
+This sample application shows how you can work with TiDB Cloud and edge functions. And here is a [live demo](https://vercel-edge-functions-prod.vercel.app/) build on vercel.
+
+
+## Set up TiDB Cloud
+
+1. Go to [TiDB Cloud](https://tidbcloud.com/) and create a serverless tier cluster.
+2. Navigate to your serverless tier cluster's dashboard.
+3. Click **Connect** to set a password, you can also build the prisma connect string with this pattern `mysql://USER:PASSWORD@HOST:PORT/edge_function?sslaccept=strict`.
+
+![tidbcloud-connect.png](img/connect.png)
+
+4. Connect to your serverless tier cluster and create a database named edge_function. This application will build on this database.
+
+## Set up Prisma Data Proxy
+
+Edge environments only support HTTP-based connections. Therefore, we can not connect to TiDB Cloud which use long-lived TCP connections directly.
+
+The Prisma Data Proxy is a proxy server for your database that allows you to interact with your database over HTTP, manages a connection pool, and ensures database connections are reused. It allows database access from Edge runtimes such as Vercel Edge Functions, Netlify Edge Functions and Cloudflare Workers.
+
+1. sign in to the [Prisma Data Platform](https://cloud.prisma.io/) and click **New Project**.
+2. Fill in the **Connection string** with this pattern `mysql://USER:PASSWORD@HOST:PORT/edge_function?sslaccept=strict`. You can find the connection information in your [TiDB Cloud console](https://tidbcloud.com/console/clusters).
+3. Leave the **Static IPs** as disabled because TiDB Cloud Serverless Tier is accessible from any IP address.
+4. Select a Data Proxy region that is geographically close to your TiDB Cloud cluster location. Then click **Create project**.
+
+   ![prisma_project.png](img/prisma_project.png)
+
+5. Click **Skip and continue to Data Platform** to go to the Data Platform.
+6. Click **Data Proxy** in Data Platform, then click **Create a new connection string** to create a new connection string that starts with `prisma://`. Copy and save it for later use.
+
+   ![proxy.png](img/proxy.png)
+
+7. Click **Schema Viewer** in Data Platform, you can fill in the repository and click **Link Prisma schema** after you fork a repository. It is optional, if you don't link to your repository, prisma data proxy will sync the schema automatically by introspection mechanism.
+
+   ![schema.png](img/schema.png)
+
+
+<details>
+  <summary><h2>Deploy on Local</h2></summary>
+
+1. Fork this repository and clone it to your local machine.
+
+    ```
+    git clone https://github.com/${user_name}/nextjs-prisma-edge-example.git
+    cd nextjs-prisma-edge-example
+    ```
+
+2. Optional: Link Prisma schema to the new repository you create. Follow [Set up Prisma Data Proxy](#how-to-set-up-prisma-data-proxy) step 7.
+
+3. Set DATABASE_URL environment variables.
+
+    ```
+    export DATABASE_URL=mysql://<User>:<Password>@<Endpoint>:<Port>/edge_function?sslaccept=strict
+    ```
+
+4. apply prisma migrate and seed.
+
+    ```
+    npx prisma migrate deploy
+    npx prisma db seed
+    ```
+
+5. Replace the `DATABASE_URL` with the connection string you got from Prisma Data Platform.
+
+   ```
+   export DATABASE_URL=DATABASE_URL=prisma://aws-us-east-1.prisma-data.com/?api_key=•••••••••••••••••
+   ```
+
+6. Generate Prisma Client that will connect through the Prisma Data Proxy using HTTP.
+
+   ```
+   npx prisma generate --data-proxy
+   ```
+
+7. Start the app.
+
+    ```
+    npm run dev
+    ```
+
+🎉 Mission Completes.
+
+The app is now running, navigate to http://localhost:3000/ in your browser to explore it.
+
+</details>
+
+<details>
+  <summary><h2>Deploy on Vercel</h2></summary>
+
+The Deploy button will take you through Vercel's project creation flow. Vercel will help to clone this job to your own GitHub repository and automatically deploy it.
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Ftidbcloud%2Fnextjs-prisma-edge-example&env=MIGRATE_DATABASE_URL,DATABASE_URL&envDescription=TiDB%20Cloud%20and%20prisma%20data%20proxy%20connect%20string%20)
+
+1. Click the **Deploy** button.
+2. Click **GitHub** button and authenticate GitHub account.
+3. Select your **Git Scope** and fill in **Repository Name** for your own GitHub repository.
+4. Click **Create** to create the git repository.
+5. Optional: Link Prisma schema to the new repository you create. Follow [Set up Prisma Data Proxy](#how-to-set-up-prisma-data-proxy) step 7.
+6. Enter the environment variables:
+   - `MIGRATE_DATABASE_URL`: the tidb cloud connection string.
+   - `DATABASE_URL`: the Prisma Data Proxy connection string.
+7. Click **Deploy**.
+
+![img/vercel.png](img/vercel.png)
+
+🎉 Mission Completes.
+
+Now wait for the deployment to complete, then you can view your site on the default domain generated by Vercel.
+
+</details>
+
+<details>
+  <summary><h2>Deploy on Netlify</h2></summary>
+
+The **Deploy to Netlify** button will take you to Netlify's deployment page. Then Netlify will help to clone this job to your own GitHub repository and automatically deploy it.
+
+[![Deploy to Netlify button](https://www.netlify.com/img/deploy/button.svg)](https://app.netlify.com/start/deploy?repository=https://github.com/tidbcloud/nextjs-prisma-edge-example)
+
+1. Click the **Deploy to Netlify** button.
+2. Click **Connect to GitHub** and authenticate GitHub account.
+3. Fill in **Repository name** for your own GitHub repository.
+4. Enter the environment variables:
+   - `MIGRATE_DATABASE_URL`: the tidb cloud connection string.
+   - `DATABASE_URL`: the Prisma Data Proxy connection string.
+5. Click **Save & Deploy**.
+6. [Optional]: Link Prisma schema to the new repository you create. Follow [Set up Prisma Data Proxy](#how-to-set-up-prisma-data-proxy) step 7.
+
+![img/netlify.png](img/netlify.png)
+
+🎉 Mission Completes.
+
+Now wait for the deployment to complete, then you can view your site on the default domain generated by Netlify.
+
+</details>

lib/prisma.ts

@@ -0,0 +1,21 @@
+import { PrismaClient } from "@prisma/client/edge";
+
+// PrismaClient is attached to the `global` object in development to prevent
+// exhausting your database connection limit.
+//
+// Learn more: 
+// https://pris.ly/d/help/next-js-best-practices
+
+let prisma: PrismaClient
+
+if (process.env.NODE_ENV === 'production') {
+  prisma = new PrismaClient()
+} else {
+  if (!global.prisma) {
+    global.prisma = new PrismaClient()
+  }
+  prisma = global.prisma
+}
+
+
+export default prisma