Скачать или смотреть How to Fix Laravel Mix Not Watching Changes to .js Files Efficiently

Discover how to resolve `Laravel Mix` script watch issues by utilizing proper commands and configuration changes for seamless development workflow.
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This video is based on the question https://stackoverflow.com/q/63640167/ asked by the user 'Hellodan' ( https://stackoverflow.com/u/945423/ ) and on the answer https://stackoverflow.com/a/63640631/ provided by the user 'FullStackOfPancakes' ( https://stackoverflow.com/u/8443097/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Introduction

If you're a Laravel developer working with Webpack and Laravel Mix, you may encounter a frustrating issue: your scripts compile perfectly when you run npm run watch, but they fail to recognize changes in your .js files. Every time you modify a file, you find yourself stopping the watch and re-running the command. This isn't just inconvenient—it disrupts your workflow. So, what's going wrong, and how can we solve it?

In this post, we'll walk through the reasons behind this issue and the straightforward solution needed to get Laravel Mix to properly watch and compile your scripts automatically.

Understanding the Problem

You're using Laravel Mix to compile JavaScript files from various directories using wildcards. Although the initial setup works well, the automatic watching feature is not responding to changes. As a result, you constantly have to interrupt the watch process to pick up any updates.

Key Points of the Current Setup

You are using commands like npm run watch successfully to compile your .js files.

Changes to the .js files do not trigger a recompilation; the watch feature seems ineffective.

Your current script configuration in the package.json looks like this:

[[See Video to Reveal this Text or Code Snippet]]

The Solution

The fix for this problem is quite straightforward and involves editing your package.json file slightly to enhance the watch functionality of Webpack. Follow the steps below:

Step 1: Locate the package.json File

Open your project directory, and find the package.json file. This file contains various scripts and dependencies related to your project.

Step 2: Update the Watch Command

You will need to change the current watch command to utilize the direct Webpack executable, which provides better support for file watching. Here’s the change you need to make:

Original Watch Command:

[[See Video to Reveal this Text or Code Snippet]]

Updated Watch Command:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Changes

node_modules/.bin/webpack: This directly calls the webpack executable from your node modules, ensuring that you are using the correct version specified in your project dependencies.

--watch --watch-poll: These flags turn on the watch mode with polling, which is crucial if your file system events aren’t triggering updates correctly (for example, in certain development environments or containerized setups).

--config=node_modules/laravel-mix/setup/webpack.config.js: This ensures that the correct Webpack configuration for Laravel Mix is applied when watching for changes.

Step 3: Test Your Changes

After you’ve made the above modification, save your package.json file and return to your terminal. Run the npm run watch command again. Now, when you make changes to your .js files, Webpack should automatically detect them and recompile without the need for manual intervention.

Conclusion

By updating your package.json file with the appropriate webpack command, you can effectively resolve the issue of Laravel Mix not watching changes to your .js files. This small, yet powerful adjustment can significantly enhance your development workflow, allowing for a more seamless and productive coding experience.

If you encounter other issues or have questions, feel free to explore more resources or ask for help in community forums. Happy coding!