Yorkie React TodoMVC

This project is no longer in development. Please check the examples/react-todomvc in Yorkie JS SDK.

Yorkie React TodoMVC is an example using CreateReactApp and Yorkie JS SDK.

Screenshot

This project uses gRPC-web for communicating with Yorkie server built on gRPC.

 +--Browser--+           +--Envoy---------+         +--Yorkie------+
 |           |           |                |         |              |
 | gRPC-web  <- HTTP1.1 -> gRPC-web proxy <- HTTP2 -> gRPC server  |
 |           |           |                |         |              |
 +-----------+           +----------------+         +--------------+

For more details: https://grpc.io/blog/state-of-grpc-web/

Running TodoMVC

TodoMVC needs backend servers like Yorkie and Envoy. We can simply run them using docker-compose. To start Yorkie and Envoy proxy in a terminal:

$ docker-compose -f docker/docker-compose.yml up --build -d

In the project directory, you can run:

$ npm install
$ npm start

This project was bootstrapped with Create React App.

About this project

This project was bootstrapped with Create React App.

Available Scripts

In the project directory, you can run:

`npm start`

Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.

The page will reload if you make edits.
You will also see any lint errors in the console.

`npm test`

Launches the test runner in the interactive watch mode.
See the section about running tests for more information.

`npm run build`

Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

The build is minified and the filenames include the hashes.
Your app is ready to be deployed!

See the section about deployment for more information.

`npm run eject`

Note: this is a one-way operation. Once you eject, you can’t go back!

If you aren’t satisfied with the build tool and configuration choices, you can eject at any time. This command will remove the single build dependency from your project.

Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except eject will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.

You don’t have to ever use eject. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.

Learn More

You can learn more in the Create React App documentation.

To learn React, check out the React documentation.

To be compatible with Node 18

Description:

When I run a project with Node 18, the following error occurs.
There seems to be a compatibility problem with Node 18 because there is no problem with Node 16.

Starting the development server...

Error: error:0308010C:digital envelope routines::unsupported
    at new Hash (node:internal/crypto/hash:67:19)
    at Object.createHash (node:crypto:133:10)
    at module.exports (/Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/util/createHash.js:135:53)
    at NormalModule._initBuildHash (/Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/NormalModule.js:417:16)
    at handleParseError (/Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/NormalModule.js:471:10)
    at /Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/NormalModule.js:503:5
    at /Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/NormalModule.js:35w
/Users/xo/oss/yorkie-react-todomvc/node_modules/react-scripts/scripts/start.js:19
  throw err;
  ^

Error: error:0308010C:digital envelope routines::unsupported
    at new Hash (node:internal/crypto/hash:67:19)
    at Object.createHash (node:crypto:133:10)
    at module.exports (/Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/util/createHash.js:135:53)
    at NormalModule._initBuildHash (/Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/NormalModule.js:417:16)
    at /Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/NormalModule.js:452:10
    at /Users/xo/oss/yorkie-react-todomvc/node_modules/webpack/lib/NormalModule.js:323:13
    at /Users/xo/oss/yorkie-react-todomvc/node_modules/loader-runner/lib/LoaderRunner.js:367:11
    at /Users/xo/oss/yorkie-react-todomvc/node_modules/loader-runner/lib/LoaderRunner.js:233:18
    at context.callback (/Users/xo/oss/yorkie-react-todomvc/node_modules/loader-runner/lib/LoaderRunner.js:111:13)
    at /Users/xo/oss/yorkie-react-todomvc/node_modules/babel-loader/lib/index.js:59:103 {
  opensslErrorStack: [ 'error:03000086:digital envelope routines::initialization error' ],
  library: 'digital envelope routines',
  reason: 'unsupported',
  code: 'ERR_OSSL_EVP_UNSUPPORTED'
}

Why:
To support the latest stable Node runtime.

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