Let's have a look at options to tell webpack how it should be configured. You can also set it to 'none' to disable any default behavior. Set 'mode' option to 'development' or 'production' to enable defaults for each environment. The 'mode' option has not been set, webpack will fallback to 'production' for this value. Webpack expresses its confusion with the following warning: Without a configuration, webpack does not know whether code should be compressed for faster execution or bundled with source maps for better tracking of errors. This is very convenient and promotes convention over configuration but it does not use webpack's full potential. By default, webpack assumes that your code starts at src/index.js and will be bundled to dist/main.js. Here are six different ways, in which webpack's configuration can be written.Īs of webpack version 4, you are not required to specify a configuration. In order to manage the functionality of webpack, it must be configured. For this purpose, there are task runners such as Grunt, Gulp or npx. However, webpack was not designed to execute tasks such as linting, building, or testing your app. There are webpack plugins to also compile, minify, shim, chunk, and bundle code. With special plugins, webpack can manage many types of code, for example JavaScript, TypeScript, and Rust-generated WebAssembly. Webpack is a build tool to make code, which was not primarily written for execution in browsers, executable in web browsers.
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