@types/webpack-env

What is @types/webpack-env?

The @types/webpack-env package provides TypeScript type definitions for the webpack module API. This includes types for module hot replacement (HMR), require context, and other webpack-specific environmental features that are available in the code during the build process with webpack.

What are @types/webpack-env's main functionalities?

Module Hot Replacement (HMR)

This feature allows developers to accept updates for specific modules at runtime, enabling Hot Module Replacement. The code checks if HMR is enabled and then specifies what should happen when a module is updated.

if (module.hot) {
  module.hot.accept('./my-module.js', function() {
    // Handle the updated module or react to the update
  });
}

Require Context

Require context allows developers to dynamically require modules within a certain context, such as all files in a folder matching a regex. The code creates a context for all `.js` files in a folder and iterates over them.

const context = require.context('./folder', false, /\.js$/);
context.keys().forEach((key) => {
  const module = context(key);
  // Use the module
});

DefinePlugin Global Constants

This feature allows access to global constants defined at compile time by webpack's DefinePlugin. The code logs a global constant that could be set to the application's version.

console.log(PROCESS_ENV_VERSION); // Logs the version if defined by DefinePlugin in webpack config

Other packages similar to @types/webpack-env

@types/node

Provides TypeScript definitions for Node.js. It is similar in that it provides type definitions for a specific environment, but it is for Node.js rather than webpack's module API.

@types/requirejs

Offers TypeScript definitions for RequireJS, a module loader. This is similar to webpack-env in that it provides types for module loading, but it is specific to the RequireJS API.

typescript

The TypeScript language itself includes a compiler that can use type definition files. While not a direct comparison, TypeScript is the foundation that allows packages like @types/webpack-env to provide type safety for specific environments.

README

Installation

npm install --save @types/webpack-env

Summary

This package contains type definitions for webpack-env (https://github.com/webpack/webpack).

Details

Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/webpack-env.

Additional Details

• Last updated: Tue, 28 Jan 2025 21:02:25 GMT
• Dependencies: none

Credits

These definitions were written by use-strict, and rhonsby.