IO Error: com.intellij.openapi.util.io.FileTooBigException
Vendors hold the place
Your application bundle is big, but it’s not because of your code. It’s because the final bundle includes the code base and all your dependencies (aka. vendors).
There are many choices based on your project bundler and your determination to make it work.
The first solution supports your laziness. Allow IntelliJ to handle bigger files. My configuration can appear a bit too radical but you can try with way smaller numbers.
Another solution is to set IntelliJ custom properties (same menu, above VM Options).
# Maximum file size (kilobytes) IDE provides code assistance for. idea.max.intellisense.filesize=60000# Maximum file size (kilobytes) IDE is able to open. idea.max.content.load.filesize=60000
This second solution comes from StackOverflow. No matter which solution you choose, restart IntelliJ to make it load your new settings.
Break up with vendors (more complicated)
Let’s cover more technical solutions. They consist of configuring the bundler. The two most used are Gulp and Webpack.
The good news about Webpack, a built-in feature allows you to split your bundle. It then creates separate chunks based on your instructions.
This code is straightforward, add the chunk plugin in your configuration. Then check if the module path contains
node_modules as a discriminative criterion.
Here comes the tricky solution for gulp users. The script I wrote to make it is too big to be copy/pasted in this article. You better want to consult the gist.
The idea behind this script is quite simple (magic happens here):
- include app code if app bundle
- read dependencies from
- exclude dependencies if app bundle
- or include dependencies if vendor bundle
With this function declared, you can use it with the right parameters from your gulp tasks.
Please note both solutions need you to remember to include the vendors bundle. It must be set in the HTML page right before the app bundle.
Hope this article allowed you to overcome the issue when using source map to debug your project.
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Originally published at www.linkedin.com on January 29, 2018.