CSS Hot Loading #1255
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enhancement
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minowau
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Jul 14, 2024
solving issue responsively-org#1255 This project implements Hot Module Replacement (HMR) for a React-based Chrome extension, allowing developers to see real-time changes in their popup component without needing to refresh the entire extension. The following outlines the configuration and structure necessary for achieving this setup. #### Key Components 1. **Webpack Configuration (`webpack.config.js`)**: - Configures Webpack for development and production modes, specifying the entry point and output settings. - Enables HMR in the development server for instant updates. 2. **Entry Point (`src/popup.js`)**: - Contains the main logic for the popup component, integrating the HMR logic to allow for module updates without a full reload. 3. **Index File (`src/index.js`)**: - Updated to support HMR with checks for `module.hot`, ensuring that the component re-renders on updates without refreshing the entire popup. 4. **Package Configuration (`package.json`)**: - Includes scripts for building and serving the application, specifying configurations needed for both development and production. 5. **Development Server**: - The command `npm start` launches a development server with HMR enabled, providing a smooth development experience. #### Summary of Changes - **HMR Logic**: - Added in `popup.js` using `if (module.hot) { ... }` to ensure updates are reflected in real-time. - Implemented in `index.js` to facilitate automatic re-rendering of the popup component on code changes. - **Webpack Dev Server**: Configured with `hot: true` to support HMR functionality. - **File Structure**: Organized files into a clear structure, facilitating maintainability and ease of access. ### Benefits Implementing HMR improves the development workflow by reducing the time spent on refreshing and waiting for the extension to reload. This results in a more productive environment, allowing for faster iteration and debugging of features.
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Discussed in #1249
Originally posted by Timoti June 17, 2024
Somewhere on the website I saw mention of "developer hot reloading"?
I would dearly dearly love to be able to have automatic reloading on save - especially css / js only reloads.
ATM, I've hacked something using Keyboard Maestro so I can reload while I'm in another app, but even this won't only reload CSS, which is what I really need.
If extensions could be installed, I'd install a CSS refresh extension, but obviously that's not an option either.
Is Hot reloading / css/js only reloading a thing? (sorry cant find wherever i saw the mention)
Can it be?
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