Imagine a scenario where we use webpack to bundle all our code into a single JS file, which automatically imports dependencies. In this case, is it necessary to include any dependencies in the package.json, or can they all be listed as --save-dev?
Let's keep the discussion focused on front end development and implementation.
Cheers!
It doesn't matter whether the dependencies are listed under devDependencies or dependencies in your package.json file. What webpack looks at are the require and import statements in your source code.
The distinction between devDependencies and dependencies becomes significant when you publish a package. Devdependencies will only be installed if someone manually runs npm/yarn install on the package. However, if a user installs the package by running
npm install --save-dev yourpackagenamedependencies field will be installed.
In summary:
No, webpack does not pay attention to the location of your dependencies in the package.json file.
The way your application is deployed or distributed determines the distinction between regular dependencies and dev dependencies. Regular dependencies are essential for the app to run, while dev dependencies are only necessary for making modifications to the app.
For instance, if the webpack build must be executed before the app can be utilized (such as in a continuous integration environment where the app is built during testing and deployment), then anything needed during the build process is considered a 'regular' dependency. In this scenario, most of the packages will be classified as regular dependencies.
On the other hand, if you only need to build the app once and distribute/deploy the built assets without rebuilding it each time the app is used, then dependencies required during the build process are labeled as 'dev' dependencies. Users of your code should not have to rebuild unless they are making changes to the app. Consequently, in this case, the majority of dependencies will fall under the 'dev' category.
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