Add support for streaming rendered components using `renderToPipeableStream`

Summary

This PR introduces the new features introduced in React 18 which is supporting Async Components and streaming components. It's done by replacing renderToString function with renderToPipeableStream. https://www.loom.com/share/db55036514b746a7b283e6f296134168?sid=2ce8205d-6956-4e9a-97bc-ee55004f3216

The Dummy App

To open the newly introduced page in the dummy app, you need to clone both React on Rails and React on Rails Pro on your local machine and put them in the same directory

- react_on_rails - react_on_rails_pro

execute the following commands

cd <parent_directory>
cd react_on_rails
bundle && yarn
cd ../react_on_rails_pro
bundle && yarn
cd spec/dummy
bundle && yarn

bin/dev

Then, open the newly introduced stream_async_components in the dummy app.

More resources

https://react.dev/reference/react-dom/server/renderToPipeableStream https://github.com/reactwg/react-18/discussions/37

Sequence Diagrams

sequenceDiagram
    participant Browser
    participant RailsServer
    participant ReactOnRails (Ruby)
    participant ReactOnRailsPro (JS)
    participant ReactDOMServer
    Browser->>RailsServer: Request page with React component
    RailsServer->>ReactOnRails (Ruby): Call `stream_react_component`
    ReactOnRails (Ruby)->>ReactOnRailsPro (JS): Trigger `streamServerRenderedReactComponent`
    ReactOnRails (JS)->>ReactDOMServer: Call `renderToPipeableStream`
    ReactDOMServer-->>ReactOnRailsPro (JS): PipeableStream
    ReactOnRails (JS)-->>ReactOnRails (Ruby): Stream content
    ReactOnRails (Ruby)-->>RailsServer: Streamed React component content
    RailsServer-->>Browser: Serve content
    Note right of Browser: Displays page with streamed React component

Summary by CodeRabbit

New Features
- Introduced streaming functionality for React components, enabling server-side rendering with enhanced performance and better error management.
- Added methods for asynchronous streaming of React components and improved output formatting in the React on Rails helper module.
- Implemented new functions to manage server-side rendering of React components to a stream.
- Enhanced Webpack configuration to support Node.js globals and added new aliases for better compatibility.
- Introduced a new method for accessing streaming options in the rendering process.
- Added a comprehensive guide on implementing streaming server rendering using React 18's APIs.
Bug Fixes
- Improved error handling during rendering for increased reliability.
- Clarified method name for better understanding in the React on Rails module.
Updates
- Upgraded React and React-DOM versions to 18.2.0 for improved support and additional features.
- Updated test setup to ensure compatibility with jsdom environment, including a new polyfill for compatibility issues.
- Improved version control cleanliness by ignoring IDE-related files and directories.
- Updated documentation structure and links to reflect recent changes and enhancements.

This change is

Walkthrough

This update enhances the react_on_rails library by introducing robust server-side streaming capabilities for React components. Significant new methods have been added in both Ruby and JavaScript to facilitate asynchronous rendering, improve error handling, and ensure compatibility with the latest package versions. Additionally, the Webpack configuration has been adjusted to support these features, and various test setups have been refined.

Changes

Files/Paths	Change Summary
`jest.config.js`	Added `setupFiles` property for test suite configuration.
`lib/react_on_rails/helper.rb`	Added streaming methods for React components and refactored existing methods for clarity and functionality.
`lib/react_on_rails/react_component/render_options.rb`, `lib/react_on_rails/server_rendering_pool/ruby_embedded_java_script.rb`	Added new methods for streaming options and JavaScript rendering capabilities.
`node_package/src/ReactOnRails.ts`, `node_package/src/types/index.ts`, `node_package/src/serverRenderReactComponent.ts`	Introduced `streamServerRenderedReactComponent` for server-side React streaming; updated interface for new functionality.
`node_package/tests/ReactOnRails.test.js`	Improved test setup for rendering checks.
`node_package/tests/jest.setup.js`	Introduced a polyfill for `TextEncoder` and `TextDecoder`.
`package.json`	Upgraded `react` and `react-dom` versions to `18.2.0`.
`spec/dummy/config/webpack/alias.js`, `spec/dummy/config/webpack/commonWebpackConfig.js`, `spec/dummy/config/webpack/webpackConfig.js`	Configured webpack to support streaming with `stream-browserify` and added Node.js globals compatibility.
`spec/dummy/spec/helpers/react_on_rails_helper_spec.rb`	Added tests for `rails_context_if_not_already_rendered` method to ensure correct behavior and output.

Possibly related PRs

#1620: The main PR introduces a new property setupFiles in jest.config.js, which is related to the configuration of test setups. This is relevant to the changes in the lib/react_on_rails/helper.rb file, where the loading behavior of React components is enhanced, potentially impacting how tests are set up and executed.
#1653: The refactor of the serverRenderReactComponent function in this PR may relate to the changes in the main PR as both involve modifications to the server rendering logic, which could affect how tests are structured and executed in relation to server-rendered components.

Suggested reviewers

alexeyr-ci: Suggested for review due to expertise in the react_on_rails library.
justin808: Suggested for review due to familiarity with the react_on_rails library.
Judahmeek: Suggested for review given experience with server-side rendering implementations.

Poem

In the garden where bytes flow,
A new feature begins to grow.
Streaming React with seamless grace,
Swiftly dancing in data's embrace.
Rails and JavaScript, hand in hand,
Server to client, perfectly planned.
🌱🚀🎉

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shakacode / react_on_rails