What steps should I follow to properly set up my tsconfig.json in order to ensure that only the essential files are included when executing npm run build

Introduction

I am seeking guidance on how to correctly set up my tsconfig.json file to ensure only the necessary files are included when running npm run build for my projects. I want to avoid any unnecessary files being imported.

Query

What steps should I take to configure my tsconfig.json effectively for optimal file inclusion while using npm run build?

tsconfig.json Configuration

{
  "compilerOptions": {
    "target": "ESNext",
    "module": "CommonJS",
    "declaration": true,
    "checkJs": true,
    "sourceMap": true,
    "outDir": "./dist",
    "removeComments": true,
    "strict": true,
    "noImplicitAny": true,
    "noImplicitThis": true,
    "noImplicitReturns": true,
    "skipLibCheck": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true
  },
  "include": ["src/**/*"],
  "compileOnSave": false,
  "buildOnSave": false
}

Details in package.json

  "main": "./dist/index.js",
  "types": "./dist/index.d.ts",

Elements seen in node_modules upon integration into a project

  1. Would the inclusion of src be appropriate?
  2. How can I eliminate jest.config.js from the dependencies?

https://i.sstatic.net/CLIAK.png

javascripttypescriptlibrarieshelpertsconfig

Answer №1

When it comes to the final npm package, the tsconfig.json file doesn't play a significant role. By default, almost everything within your project directory will be included in the package (excluding the node_modules folder).

There are two methods for managing the contents of your package:

  1. To exclude specific files/folders from your package, create a file named .npmignore and list them there. This operates similarly to the .gitignore file. Refer to the documentation for more information.

  2. To include only certain files/folders in your package, you can define an array called files in your package.json. Find further details in the documentation.

The necessary files for your package depend on its functionality. For instance, the test configuration is likely unnecessary in the final package, as well as the source files...

Answer №2

To exclude specific files from your NPM package, simply list them in the .npmignore file. This will ensure that when you publish a new version of the package, the excluded files will no longer appear in your node_modules directory.

If you are using yarn, you can achieve the same result by listing the files to be removed after installing packages in the .yarnclean file. However, keep in mind that this action will delete these files from all packages within node_modules.

If you are working with npm link or yarn link instead of publishing your package, it is not possible to remove files from node_modules.

You have the ability to specify all files in the package except for dist, package.json, and README.md.

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