Angular CLI output - how to analyze bundle files

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Angular CLI output - how to analyze bundle files



I am using Angular CLI to build an app for production using the --prod switch.
The bundle is created in the dist directory.
Is there a way to know which classes and functions have been actually put in the bundle after tree-shacking and all other steps?


--prod




1 Answer
1



You can use webpack-bundle-analyzer to inspect your bundles.



npm install webpack-bundle-analyzer --save-dev


npm install webpack-bundle-analyzer --save-dev



modify your package.json scripts section with "analyze": "ng build --prod --stats-json && webpack-bundle-analyzer dist/stats.json"


package.json


scripts


"analyze": "ng build --prod --stats-json && webpack-bundle-analyzer dist/stats.json"



npm run analyze


npm run analyze



You can checkout this repo it is just a simple angular app that demonstrates how to implement lazy loading and it has webpack-bundle-analyzer already setup as above.






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